WATANABE ELECTRIC INDUSTRY A7X14-X User manual

1. Check before Use
Thank you for purchasing our A7000 series. The operator who
uses the instrument should keep this manual on hand. When you
receive the product, make sure that you have all the parts and that
none have been damaged during transportation. If any part is
damaged or missing, contact your sales representative or our sales
office directly.
1.1. Type Configuration
The type configuration of the A7000 series is as shown below.
Check that there is no difference in the type or specifications
between the product you ordered and the product you have
received.
2. Mounting Method
2.1. Panel Cutout Dimensions
For panel cutout made when mounting the A7000 series
measuring unit, follow the figure below.
2.2. Panel Mounting Method
To mount the A7000 series measuring unit onto a panel, remove
the mounting band from the main unit, fit the unit into the panel from
the front of the panel, and fix it using the mounting band removed
from the rear of the panel. If you wish to increase the strength of the
mounting, attach fixing supports with screws as shown in the figure
below. For fixing supports and screws, contact your sales
representative or our sales office.
3. Description of Terminals and Connection
3.1. Connecting Power
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 1/12
Operation Manual for the A7000 Series
AC Voltage Measurement: A7X14-X
AC Small Current Measurement: A7X15-X
AC Large Current Measurement: A7X16-X
Mounting band
Lugs
Fixing support Plastic screw
M3×20
Output section (different configuration for BCD
output)
Power sectionInput section
！
(1) Application of voltage or current exceeding the maximum allowable value to the
input section may damage the instrument.
(2) Use the supply voltage in the allowable range. Using it out of this range may
result in fire, electric shock, or an instrument failure.
(3) Please note that the information contained in this manual is subject to change
due to product improvements without notice.
(4) Every effort has been made to ensure accuracy in the presentation of this
manual. However, should you have any questions or should any errors or
omissions come to your attention, please contact your sales representative or our
sales office directly.
(5) After reading, keep this manual nearby so that you can refer to it as needed.
CAUTIONS
96 mm or more
+0.6
-0
33
68 -0
+0.7
58 mmor more
CAUTIONS
！
(1) Mount the instrument securely on a surface that will be able to bear its weight.
Insufficient strength for mounting or incorrect mounting may result in the instrument
falling and injuring personnel.
(2) The A7000 series has no power switch. Connecting power to the instrument
makes the product immediately operable.
(3) If the instrument is installed inside equipment to heat radiation, etc., and ensure
that the in-equipment temperature does not rise above 50°C.
① ②
+12 to 48V DC
100 to 240V AC(50/60Hz)
Recommended
Torque:0.5Nm
5.8 or less5.8 or less
Applicable crimp terminal
Terminal No.
1Power Power connection terminal. 0V for DC driving
2Power
Name Description
Power connection terminal. +V for DC driving
WATANABE ELECTRIC INDUSTRY CO.,LTD.
UW-33803m
2020.12
Ａ７ １ －
A:RS-485
9:RS-232C
0:None
1:Relay contact output
7:Analog output
3:BCD output (TTL)
4:BCD output (Open collector)
Output
2:Photocoupler output
5:BCD output (TTL)
+ Photpcoupler output
6:BCD output (Open collector) + Photpcoupler output
8:Analog output + Photocoupler output
C:RS-485 + Photocoupler output
B:RS-232C + Photocoupler output
1:DC voltage measurement(±100mV,±1V,±10V,±100Ｖ，or
±700Ｖmeasurement
3:DC large current measurement(±1A or ±2Ameasurement)
2:DC small current measurement(±100μA,±1mA,±10mA,
or±100mA measurement
4:AC voltage measurement(100mV,1V,10V,100V,
or 700V measurement)
5:AC small current measurement(100μA,1mA,10mA,or 100mA
measurement)
6:AC large current measurement(1A or 5Ameasurement)
7:Resistance measurement
8:Temperature measurement(TC,RTD)
9:Frequency measurement
B:Process signal measurement(1 to 5V,±5V ,4 to 20mA,or
±20mA measurement)
Input
A:Load cell input
1:AC power(100 to 240V AC,50/60Hz)
2:DC power(12 to 48V DC)
Power

3.2. Connecting Input Signal
3.2.1.AC Voltage Measuring Unit
3.2.2. AC Small Current Measuring Unit
3.2.3. AC Large Current Measuring Unit
3.3. Connecting Various Output Signals
3.3.1. Relay Contact Output Unit
3.3.2. Photocoupler Output Unit
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 2/12
① ② ③ ④ ⑤ ⑥
* In the A7000 series, the range of use needs to be set using scaling data.
The unit is set to 15 ranges at factory shipment.
Terminal
No. Name
1 15 HI
2 14 HI
3 13 HI
4 12 HI
5 11 HI
6 LO
Description
input terminal for 12 ranges (999.9 mV)
input terminal for 14 ranges (99.99 V)
input terminal for 15 ranges (700 V)
input terminal for 13 ranges (9.999 V)
Common input terminal
input terminal for 11 ranges (99.99 mV)
Applicable crimp terminal
5.8 or less 5.8 or less
Recommended torque : 0.5Nm
① ② ③ ④ ⑤ ⑥
* In the A7000 series, the range of use needs to be set using scaling data.
The unit is set to 24 ranges at factory shipment.
5.8 or less
Applicable crimp terminal
5.8 or less
Terminal
No. Name
1 24 HI
2 23 HI
3 22 HI
4 21 HI
5 LO
6 LO
Description
input terminal for 21 ranges (99.99 μA)
input terminal for 23 ranges (9.999 mA)
input terminal for 24 ranges (99.99 mA)
input terminal for 22 ranges (999.9 μA)
Common input terminal
Common input terminal
Recommended torque : 0.5Nm
① ② ③ ④ ⑤ ⑥
Applicable crimp terminal
1
2
3
4
5
6
Terminal
No. Name
25 HI
25 LO
NC
26 HI
26 LO
NC
5.8 or less 5.8 or less
Description
input terminal for 25 ranges (999.9 mA)
Connect nothing to this terminal.
input terminal for 25 ranges (999.9 mA)
input terminal for 26 ranges (5A)
input terminal for 26 ranges (5A)
Connect nothing to this terminal.
* In the A7000 series, the range of use needs to be set using scaling data.
The unit is set to 26 ranges at factory shipment.
Recommended torque : 0.5Nm
1 2 3 4 5 6 7 8 9 101112131415
Term.
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Name
P.SEL1
P.SEL2
P.SEL3
S/H
PH
DZ
COM
HH a
c
HI a
c
GO a
LO a
c
LL a
Description
Pattern Select terminals. Enabled when they have the same
potential as, or are shorted with, terminal COM.
* They are disabled unless pattern select is set up for terminal
control using condition data.
Common terminal for external control. (It has the same potential as input LO.)
The a-contact output terminal of HH output relay
COM terminal for HH and HI output relays
OFF OFF
ON ON OFF
OFF
ON
OFF ON
OFF
ON
ON
OFF ON
OFF ON
Start/Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Peak Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Digital Zero terminal. Enabled when it has the same potential
as, or is shorted with, terminal COM.
* This terminal is disabled unless digital zero is set up for
terminal control using condition data.
The a-contact output terminal of HI output relay
The a-contact output terminal of GO output relay
The a-contact output terminal of LO output relay
The a-contact output terminal of LL output relay
COM terminal of GO output relay
COM terminal for LO and LL output relays
Adaptable wire: AWG24 to AWG16
Pattern1 Pattern2 Pattern3 Pattern4 Pattern5 Pattern6 Pattern7 Pattern8
P1
P2
P3
Recommended torque : 0.18Nm
Term.
No. Name
1P.SEL1
2P.SEL2
3P.SEL3
4 S/H
5 PH
6 DZ
7 COM
8 HH c
9 eCOM
10 HI c
11 eCOM
12 GO c
13 LO c
14 eCOM
15 LL c
1 2 3 4 5 6 7 8 9 101112131415
Description
Pattern Select terminals. Enabled when they have the same
potential as, or are shorted with, terminal COM.
* They are disabled unless pattern select is set up for terminal
control using condition data.
Common terminal for external control. (It has the same potential
as input LO.)
Start/Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Peak Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Digital Zero terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
* This terminal is disabled unless digital zero is set up for
terminal control using condition data.
P1
P2
P3 ON
OFF
Pattern7
ON
ON
OFF
Pattern6
ON
OFF
Pattern5
ON
OFF
Pattern4
ON
OFF
OFF
Pattern3
OFF
ON
Pattern2
OFF
Pattern1
ON
Pattern8
Adaptable wire: AWG24 to AWG16
Collector output terminal of HH output photocoupler
Common emitter terminal for HH and HI output photocouplers
Collector output terminal of HI output photocoupler
Collector output terminal of LO output photocoupler
Collector output terminal of LL output photocoupler
Emitter terminal of GO output photocoupler
Common emitter terminal for LO and LL output photocouplers
Collector output terminal of GO output photocoupler
Recommended torque : 0.18Nm

3.3.3. BCD Unit
3.3.4. Analog Output Unit
3.3.5. RS-232C Unit
3.3.6. RS-485 Unit
Term.
No. Name Description
1-4 1001-8
5-8
9-12
13-16
17
18
19
20
21,22
26 NC
27,28 COM
29 HH c
Bit-1 to bit-8 outputs of BCD 100digit
* For models A7X1X-3 and -4, terminals 29 to 34 are NC. Connect nothing to these terminals.
Connect nothing to this terminal.
1011-8
1021-8
1031-8
POL
OVER
PC
ENABLE
DG
30 HI c
31 GO c
32 LO c
33 LL c
34 eCOM
Collector output terminal of HI output photocoupler
Collector output terminal of GO output photocoupler
Collector output terminal of LO output photocoupler
Collector output terminal of LL output photocoupler
Photocoupler's common emitter terminal
Bit-1 to bit-8 outputs of BCD 101digit
Bit-1 to bit-8 outputs of BCD 102digit
Bit-1 to bit-8 outputs of BCD 103digit
BCD polarity output
Collector output terminal of HH output photocoupler
Common terminal for external control. (It has the same potential as input LO.)
BCD overrange warning output
BCD printout command output
Common terminal for BCD outputs
ENABLE
34
33
e.COM LO C HI C COM (NC)
LL C
GO C
HH C
COM
DZ
S/H
DG
PC
POL
PH DG OVER
2
1
10
2 8 2 8 2828
1 4 1 4 1 4 1 4
0101102103
100101102103
23 S/H Start/Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
24 PH Peak Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
25 DZ Digital Zero terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
* This terminal is disabled unless digital zero is set up for
terminal control using condition data.
BCD enable terminal. BCD output becomes high impedance or
transistor is turned OFF when this terminal has the same
potential as, or is shorted with, terminal DG.
BCD Connector :
HIF-3BA-34PA-2.54DS
Attachment Connector :
HIF-3BA-34D-2.54R
1 2 3 4 5 6 7 8 9 101112131415
Term.
No. Name Description
1V.OUT
2A.OUT
3AO.COM
4 S/H
5PH
6 DZ
7 COM
8 HH c
9 eCOM
10 HI c
11 eCOM
12 GO c
Common terminal for external control. (It has the same potential as input LO.)
Collector output terminal of HH output photocoupler
Common emitter terminal for HH and HI output photocouplers
13 LO c
14 eCOM
15 LL c
Start/Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Peak Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Digital Zero terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
* This terminal is disabled unless digital zero is set up for
terminal control using condition data.
Collector output terminal of HI output photocoupler
Collector output terminal for GO output photocoupler
Collector output terminal of LO output photocoupler
Collector output terminal of LL output photocoupler
Emitter terminal of GO output photocoupler
Common emitter terminal for LO and LL output photocouplers
Common terminal for analog outputs
Voltage Output terminal (0 to 1 V, 0 to 10 V, 1 to 5 V)
Current Output terminal (4 to 20 mA)
* For model A7X1X-7, terminals 8 to 15 are NC. Connect nothing to these terminals.
Adaptable wire: AWG24 to AWG16
Recommended torque : 0.18Nm
Term.
No. Name
1 RXD
2 TXD
3 SG
4 NC
5 NC
6S/H
7 PH
8 NC
9 COM
10 HH c
11 HI c
12 GO c
13 LO c
14 LL c
15 eCOM
1 2 3 4 5 6 7 8 9 101112131415
* For model A7X1X-9, terminals 10 to 15 are NC. Connect nothing to these terminals.
Description
Common terminal for external control. (It has the same potential as input LO.)
Collector output terminal of HH output photocoupler
Start/Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Peak Hold terminal. Enabled when it has the same potential as, or is shorted
with, terminal COM.
Collector output terminal of HI output photocoupler
Collector output terminal of GO output photocoupler
Collector output terminal of LO output photocoupler
Collector output terminal of LL output photocoupler
Photocoupler's common emitter terminal
Transmit terminal
Receive terminal
Common terminal for communications function
Connect nothing to this terminal.
Connect nothing to this terminal.
Connect nothing to this terminal.
Recommended torque : 0.18Nm
Adaptable wire: AWG24 to AWG16
Term.
No. Name
1 (+)
2 (-)
3 SG
4 TERM
5 TERM
6S/H
7 PH
8 NC
9 COM
10 HH c
11 HI c
12 GO c
13 LO c
14 LL c
15 eCOM
1 2 3 4 5 6 7 8 9 101112131415
* For model A7X1X-A, terminals 10 to 15 are NC. Connect nothing to these terminals.
Description
Terminating resistor terminal (200Ω). When turning it ON, short
it with terminal 5.
Common terminal for external control. (It has the same potential as input LO.)
Collector output terminal of HH output photocoupler
Start/Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Peak Hold terminal. Enabled when it has the same potential as,
or is shorted with, terminal COM.
Collector output terminal of HI output photocoupler
Collector output terminal of GO output photocoupler
Collector output terminal of LO output photocoupler
Collector output terminal of LL output photocoupler
Photocoupler's common emitter terminal
Common terminal for communications function
Non-inverse output
Inverse output
Connect nothing to this terminal.
Terminating resistor terminal (200Ω). When turning it ON, short
it with terminal 4.
Adaptable wire: AWG24 to AWG16
Recommended torque : 0.18Nm
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 3/12

4. Part Names and their Functions
5. Setting Parameters
5.1. List of Parameters
5.1.1. Condition Data
Ｅ Ｍ
ＨＨ
ＨＩ
ＧＯ
ＬＬ
ＲＥ
ＰＨ
ＤＺ
Ｐ１
Ｐ２
Ｐ３
ＭＥ
ＬＯ
① ② ③
④ ⑤ ⑥ ⑦
Loca-
tion
①
②
③
④
⑤
⑥
⑦
Main Functions
Indicates judgment results when the unit is used as a meter relay.
Displays measured values or menu names or information for setting up parameters.
RE
Shifts the unit to the parameter setting mode.
PH
DZ
ME
P1
P2
P3
Lights up if the unit enters a remote control status using the communication function.
Lights up if peak hold, valley hold, or peak - valley hold is activated.
Lights up if digital zero is activated.
Lights up if digital zero backup is activated.
P1
P2
P3
Pattern 1 Pattern 2 Pattern 3 Pattern 4 Pattern 5 Pattern 6 Pattern 7 Pattern 8
OFF OFF
ON ON OFF
OFF
ON
OFF ON
OFF
ON
ON
OFF ON
OFF ON
Shifts the unit to mode change during parameter settings or to max./min./ (max. min. value) display in
measurements (When pressed for a prolonged time).
Used to change the objective digit during parameter settings or make DZ control in
measurements ( When pressed for a prolonged time ).
Used to change a numerical value or content during parameter settings, make pattern select
in measurement ( When pressed for a prolonged time ), or perform special operations.
Name
Judgment Monitor
Main Monitor
Function Monitor
Enter
Mode
Shift
Increment
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 4/12
P.L.
Initial
Value
(AVG)
(MAV)
(S.WD)
(CLR.T)
(HI.CL)
(GO.CL)
(LO.CL)
(BLNK)
(DZ.BU)
(LINE)
(TR.T)
(P.ON)
(PRO)
(U-NO.)
(BCD.L)
(BAUD)
(DATA)
(P.BIT)
Number of averaging
times
Number of moving
averaging times
Step wide
Display color type
HI display color
GO display color
LO display color
Display blank level
Tracking zero
correction time
--------
0
0
1
1
1
1
0
(PS.C) Pattern select control
(S/H.T) Start/hold type
(STP.B)
(T-)
(CLR) Display color 1
Start/hold delay time
Parameter Name
Menu
Display
(PVH) PH select 0
DZ backup 0
(PS) Pattern Select 0
Linearize 0
0～
(TR.W) Tracking zero
correction width 0～
Power-on delay time 0～
Protect level 3
0
0
(S/H.D) 0 ～
(PVH.T) Peak hold type 0
(DZ.C) Digital zero control 0
0
BCD output logic 0
Baud rate 1
Data length 1
Parity bit 1
Stop bit 1
Delimiter 1
(ADR) Address 1
Settable Range or Alternatives
0
～
(HH.CL) HH display color 1
(LL.CL) LL display color 1
Main Setting Target and Precautions
Selects the number of averaging times (sampling rate). Sampling rate is set as an averaged number of internal
sampling times (1 sampling time: approx. 1 ms).
Selects the number of moving averaging times. (Small filtering effect 1 (OFF) ⇔2 ⇔4 ⇔8 ⇔16 ⇔32 Large
filtering effect)
Selects a display change width to limit variations in display. (If this parameter is set to "5," the least significant
digit displays only "0" or "5.")
Selects display color. * Only when no meter relay is available.
Selects either automatic setting (red for HI and LO and green for GO) or manual setting for display color type.
* Only when a meter relay is available
Selects red or green for display color applied during HI judgment. * Only when CLR.T is in MANU.
Selects red or green for display color applied during GO judgment. * Only when CLR.T is in MANU.
Selects red or green for display color applied during LO judgment. * Only when CLR.T is in MANU.
Selects display brightness. (Bright OFF ⇔LV1 ⇔LV2 ⇔LV3 ⇔ON Extinguished)
Selects the type (peak hold, valley hold, or peak - valley hold) activated when the PH function is enabled.
Selects whether to backup the digital zero value when power is turned OFF.
Selects the number of patterns available for the pattern select function.
Selects the enable/disable of the linearize function and the number of correction points.
Sets the enable/disable of the tracking zero function and correction time (setpoint/conversion rate).
Sets the time (setpoint x 1 sec.) taken from power ON to when measurement actually starts.
Sets the correction width of the tracking zero function. * Only when TR.T is a value other than 000.
Selects the protect level for preventing erroneous operation (High LV3 ⇔LV2 ⇔LV1 ⇔LV0 Low).
Use the unit with this parameter set to OFF.
Selects the action type of start/hold (A: free run, B: one shot).
Sets delay time (setpoint x approx. 1 ms) applied at start.
Selects the action type of peak hold (A: real display, B: result display).
Selects the digital zero control method (SW: front panel keys, TERM: external control terminals).
Selects the pattern select control method (SW: front panel keys, TERM: external control terminals).
* Only when external control is provided
Selects the BCD output logic (N: negative logic, P: positive logic). * Only when BCD output is provided
Selects the communication function's Baud rate. * Only when the communication function is provided
Selects the communication function data length. * Only when the communication function is provided
Selects the communication function parity bit. * Only when the communication function is provided
Selects the communication function stop bit. * Only when the communication function is provided
Selects the communication function delimiter. * Only when the communication function is provided
Selects the RS-485 function's device ID. * Only when the RS-485 function is provided
Selects red or green for display color applied during HH judgment. * Only when CLR.T is in MANU.
Selects red or green for display color applied during LL judgment. * Only when CLR.T is in MANU.

5.1.2. Scaling Data
5.1.3. Comparator Data
5.2. Display and Character Representation
5.3. Parameter Types and Protect Levels
The A7000 series parameters are classified into the following groups
depending on the main objective:
Condition data: A group of parameters that set basic actions such
as sampling rate and operation type of each control
Scaling data: A group of parameters relating to measurements
such as a measurement range and scaling
Comparator data: A group of parameters relating to comparison
output such as the comparison output operation
type or judgment values
Shift data: A group of parameters relating to the function that
forcibly shifts an indicated value
Linearize data: A group of parameters relating to the function that
corrects the linearity of an input value and indicated
value
Each parameter has a protect level that has been set up. Setting the
protect level of condition data allows the settable protect level of
parameters to be limited. (For the settable protect level of each
parameter, see P.L for the list of parameters in 5.1.)
For the protect levels, the higher the level value, the more the number
of parameters whose setting is disabled increases. If the protect level
is set to LV3, which is the highest level, all parameters are disabled
from being set with the exception of protect level change.
* At factory shipment, the protect level is set to LV1. (In this case, only
settings relating to display color, scaling, or judgment values can be
made).
0 1 2 3 4 5 6 7 8 9
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- /
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 5/12
Parameter NameMenu Display P.L.
Initial
Value
(FSC)
(FIN)
(OFS)
(OIN)
(DLHI)
(DLLO)
(AOHI)
(AOLO)
(DP)
Full-scale indicated value
Full-scale input value
Offset indicated value
Offset input value
Digital limiter HI
Digital limiter LO
Analog output HI
Analog output LO
Decimal point
2
2
2
2
0
0
1
1
2
(RANG) Input range
1
(A.OUT) Analog output type 1
Settable Range or Alternatives
Set to any digit
～
～
～
～
～
～
～
～
1
1(large current)
(small current)
(voltage)
Selects the input range. *Note that the input terminal changes depending on the input range.
Sets the relationship between an input signal and indicated value.
*In the case of AC input, please use it by “+”setting by all means.
It is not displayed normally when I use it by “-“setting.
For the voltage measurement's 15 ranges, the full-scale input value becomes "9999" when an input is 700 V.
For the large-current measurement's 26 ranges, the full-scale input value becomes "9999" when an input is 5 A.
Sets the high limit of the displayable range. (Avalue exceeding the digital limiter HI setpoint is not updated and is held at the set value.)
Selects the analog output's output range. * Only when analog output is provided
Sets the relationship between display and analog output. * Only when analog output is provided
Sets the decimal-point display position.
Main Setting Target and Precautions
Sets the low limit of the displayable range. (Avalue lower than the digital limiter LO setpoint is not updated and is held at the set value.)
LO logic 0Sets LO output logic (N.O: normally open, N.C: normally closed).
* When power is OFF, output is always open (OFF).
(LO-L)
GO logic 0Sets GO output logic (N.O: normally open, N.C: normally closed).
* When power is OFF, output is always open (OFF).
(GO-L)
HI logic 0Sets HI output logic (N.O: normally open, N.C: normally closed).
* When power is OFF, output is always open (OFF).
(HI-L)
(ER1.H) 1 Sets tolerance-1 hysteresis (applied to the inner side of a setpoint). * Only when COM.T is in ERR
(LO-H) LO hysteresis 1Sets LO-side hysteresis (applied to the inner side of a setpoint). * Only when COM.T is in O/U
(HI-H) HI hysteresis 1Sets HI-side hysteresis (applied to the inner side of a setpoint). * Only when COM.T is in O/U
Tolerance 1
(ERR1) 2 Sets tolerance 1. * Only when COM.T is in ERR
～
Nominal value
(N.VAL) 2 Sets the nominal value. * Only when COM.T is in ERR
～
(LO-S) LO judgment value 2Sets LO-side judgment value. * Only when COM.T is in O/U
～
(HI-S) HI judgment value 2Sets HI-side judgment value. * Only when COM.T is in O/U
～
（COM.T）Comparison output 1Selects high and low judgments (O/U) or tolerance judgments (ERR) for comparison action type.
Parameter NameMenu Display P.L.
Initial
Value Settable Range or Alternatives Main Setting Target and Precautions
(HH-S) HH judgment value 2Sets HH-side judgment value. * Only when COM.T is in O/U
～
(LL-S) LL judgment value 2Sets LL-side judgment value. * Only when COM.T is in O/U
～
Tolerance 2
(ERR2) 2 Sets tolerance 2. * Only when COM.T is in ERR
～
(HH-H) HH hysteresis 1Sets HH-side hysteresis (applied to the inner side of a setpoint). * Only when COM.T is in O/U
(LL-H) LL hysteresis 1Sets LL-side hysteresis (applied to the inner side of a setpoint). * Only when COM.T is in O/U
(ER2.H) 1 Sets tolerance-2 hysteresis (applied to the inner side of a setpoint). * Only when COM.T is in ERR
HH logic 0Sets HH output logic (N.O: normally open, N.C: normally closed).
* When power is OFF, output is always open (OFF).
(HH-L)
LL logic 0Sets LL output logic (N.O: normally open, N.C: normally closed).
* When power is OFF, output is always open (OFF).
(LL-L)
Tolerance-2 hysteresis
Tolerance-1 hysteresis
～
～
～
～
～
～

5.4. Shifting to the Parameter Setting Mode
5.5. Condition Data Setting Procedure
This section describes an example of setting the number of moving
averaging times as a typical example. Take the same steps for other
parameters.
5.6. Scaling Data Setting Procedure
This section describes the concept of scaling data and an example
of setting a full-scale indicated value as a typical example. Take the
same steps for other parameters.
* The digital limiter is the function that limits an input value to the
relevant set value even if a signal higher than or lower than the
indicated value set to DLHI or DLLO respectively is input. The
setting condition is DLHI > DLLO, and if this condition is not met,
Err5 is caused, returning the display to DLHI.
Condition data Linearize data
Measurement operation
Pressing for a prolonged time
Comparator dataScaling data Shift data
Pressing the Enter key causes the instrument to store data
and then return to measurement operation
①Press the Enter key for approx. 3 seconds during
measurement operation.
②Press the Mode key to move to the number-of-averaging
times setting.
④Press the Mode key to move to the number-of-moving
averaging times setting.
⑤Press the Increment key several times to set a desired
value (this setting example sets the number of moving
averaging times to "4").
Measurement operation
Pressing for a prolonged time
or
③Press the Increment key to move to moving averaging
setting.
⑥Press the Enter key to return to measurement operation.
(If the Mode key is pressed, you will be returned to the
setting menu; press the Increment key to move to the
next parameter.)
Input voltage:0 to 700 V
0 to 700.0:Display
F S C: 7000
F I N: 9999
O F S: 0
O I N: 0
D L H I: 9999
DLLO: -9999
D E P: Lights up at the 101place.
RANG: 15
* For 15 ranges, the full-scale
input value (FIN) is "9999" when
700 V is input.
Display
Input
7000
700V0
Input signal: 0 to 1 mA
0 to 5000:Display
F S C : 5000
F I N: 9999
O F S : 0
O I N : 0
D L H I : 9999
DLLO : -9999
D E P:
RANG : 22
None
Display
Input
5000
1mA0
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 6/12
Input voltage:2.5 to 10 V
2.000 to 5.000
(display range:2.000 to 5.000)
:
Display
F S C: 5000
F I N: 9999
O F S: 2000
O I N: 2500
D L H I: 5000
DLLO: 2000
D E P: Lights up at the 103place.
RANG: 13
Display
5.000
10V0
DLLO
2.000
2.5V
DLHI
Input
Lights up at the 103place.
Input signal : 0 to 5 A
0 to 5.000:Display
F S C : 5000
F I N: 9999
O F S: 0
O I N : 0
D L H I : 9999
DLLO : -9999
D E P:
RANG : 26
* For 26 ranges, the full-
scale input value (FIN) is
"9999" when 5 A is input.
Display
Input
5000
5A0

Next, the following describes the concept of analog output scaling.
Analog output sets an output value in relation to the indicated value.
(The operation procedure is the same as that of a full-scale
indicated value.)
* If both AOHI and AOLO are set to the same value, Err6 is caused,
returning the display to AOHI.
5.7. Comparator Data Setting Procedure
The A7000 can shoose comparison a vertical judgment or a tolerance
judgment with the comparison output type of a comparator data setup.
5.7.1. High and Low Judgment Type
The high and low judgment type allows you to directly set judgment
values in numerical values, which are checked against the indicated
value for judgment. It allows setting of four stages of judgment points:
HH, HI, LO, and LL.
* The setting conditions are (HH judgment value - HH hysteresis) > HI
judgment value, (HI judgment value - HI hysteresis) > (LO judgment
value + LO hysteresis), and LO judgment value > (LL judgment value
+ LL hysteresis). If any of these conditions is not met, Err0 is caused,
returning the display to the HH judgment value setting.
⑦Using the Shift key (digit change) and Increment key
(value change), set the indicated value to a desired value
(this setting example sets it to "8000").
* The selected digit blinks.
Measurement operation
Pressing for a prolonged time
or
&
①Press the Enter key for approx. 3 seconds during
measurement operation.
③Press the Mode key to display a pattern.
⑥Press the Mode key to enter setting.
⑤Press the Increment key to display the full-scale
indicated value setting menu.
②Press the Increment key to move to the scaling data menu.
④Press the Mode key to display the range setting menu.
To change the pattern, use the Increment key.
⑧Press the Enter key to return to measurement operation. (If
the Mode key is pressed, you will be returned to the setting
menu; press the Increment key to move to the next
parameter.)
Next, the following describes the concept of analog output
scaling. Analog output sets an output value in relation to the
indicated value. (The operation procedure is the same as
that of a full-scale indicated value.)
:
:
: -2000
: 2000
Output
Display
10V
20000
-
2000
Display
Output 0 to 10 V
200.0 to -200.0
A O H I
AOLO
HI HI GO LO LO GOHHGO LL
HH hysteresis range
HH judgment value
LO judgment value
LO hysteresis range
Judgment
0
1000
2000
3000
4000
5000
6000
HI hysteresis range
HI judgment value
LL judgment value
LL hysteresis range
* Hysteresis is applied to the inner side of each judgment setpoint.
Indicated value
⑦Using the Shift key (digit change) and Increment key
(value change), set the judgment value to a desired
value (this setting example sets it to "5500").
* The selected digit blinks.
Measurement operation
Pressing for a prolonged time
or
&
①Press the Enter key for approx. 3 seconds during
measurement operation.
③Press the Mode key to display a pattern.
⑥Press the Mode key to enter a judgment value setting.
⑤When the Increment key is pressed, the HH judgment
value appears.
(If the Mode key is pressed, the comparison output type
setting content appears. See an example of setting the
tolerance judgment type in the next subsection.)
②Press the Increment key several times to move to the
comparator data menu.
④Press the Mode key to display comparison output
type. To change the pattern, use the Increment key.
⑧Press the Enter key to return to measurement operation.
(If the Mode key is pressed, you will be returned to the
setting menu; press the Increment key to move to the
next parameter.)
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 7/12

5.7.2. Tolerance Judgment Type
The tolerance judgment type allows you to set a nominal value and its
tolerances (±XX%) to make judgment on the basis of the judgment
values calculated from these values within the instrument. You can set
one nominal value and two tolerance values.
For example, if the nominal value is set to 1000 and tolerances 1
and 2 are set to 3% and 6% respectively, internal judgment values are
1060 for HH judgment value, 1030 for HI judgment value, 970 for LO
judgment value, and 940 for LL judgment value.
5.8. Shift Data Setting Procedure
The shift function allows you to arbitrarily shift the display without
changing the inclination of an input signal. A setting example below
shows how to shift the indicated value by 20 digits.
* The shift function is available (settable) when the condition data's
protect level is "0."
HI HI GO LO LO GOHHGO LL
Judgment
Tolerance-2 hysteresis
Indicated value
Tolerance 2 (HH)
0
1000
970
1030
1060
940
Tolerance-1 hysteresis
Tolerance 1 (HI)
Tolerance-1 hysteresis
Tolerance 1 (LO)
Tolerance-2 hysteresis
Tolerance 2 (LL)
Nominal value
* A tolerance is set as XX% of the nominal value.
* Hysteresis is set as XX digits.
* Hysteresis is applied to the inner side of each setpoint.
Measurement operation
Pressing for a prolonged time
①Press the Enter key for approx. 3 seconds during
measurement operation.
③Press the Mode key to display a pattern.
⑤When you press the Mode key, the comparison output type
setting content appears. (O/U: high and low limit judgment,
Err: tolerance judgment)
②Press the Increment key several times to move to the
comparator data menu.
④Press the Mode key to display comparison output type.
To change the pattern, use the Increment key.
⑦Press the Mode key to return to the setting menu. (In this
setting example, the display returns to comparison output
type.)
⑥Press the Increment key to enter setting (set the type to
tolerance judgment type).
⑧Press the Increment key to move to the next parameter
(nominal value).
or
&
⑨Press the Mode key to enter a nominal value setting.
⑪ Press the Enter key to return to measurement operation. (If
the Mode key is pressed, you will be returned to the
setting menu; press the Increment key to move to a next
parameter.)
⑩ Using the Shift key (digit change) and Increment key (value
change), set the nominal value to a desired value (this
setting example sets it to "1000").
* The selected digit blinks.
Measurement operation
Pressing for a prolonged time
①Press the Enter key for approx. 3 seconds during
measurement operation.
②Press the Increment key several times to move to the shift
data menu.
③Press the Mode key to enter shift data setting.
* The １０３place blinks.
⑥Press the Enter key to return to measurement operation.
&
④Using the Shift key (digit change) and Increment key (value
change), set shift data to the desired value (this setting
example sets it to "20").
* The selected digit blinks.
⑤Press the Mode key to check the calculation results.
* All the digits blink.
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 8/12

5.9. Linearize Data Setting Procedure
The linearize function corrects the linear relationship between an input
and the display at any point to change the inclination of the linear
relationship. Linearize data is set using the input value (indicated
value before correction) and output value (indicated value after
correction) of any point.
* The linearize function is available only when you have selected
any item other than OFF in linearize setting of condition data.
* The setting conditions are N-1 < N-2 .... N-15 < N-16, and if these
conditions are not met, Err7 occurs. In this case, make the setting
again.
6. External Control Function
6.1. Each External Control Terminal
Internal circuit: pull-up at approx. 5 V (resistance value: approx. 10 kΩ)
Control signal HI level: 4.2 to 5 V with respect to terminal COM
Control signal LO level: 0 to 0.4 V with respect to terminal COM
Caution:The COM terminal of the external control circuit and the LO
terminal of the input circuit have the same potential in terms of
direct current.
6.2. Pattern Select Function
The pattern select function allows scaling data and comparator
data to be stored in a maximum of eight patterns and lets you set
any pattern for use. Pattern select control is achieved by terminal
control and front panel key-based operation, depending on
condition data setting. For terminal control, short circuiting the
P.SEL1 to P.SEL3 terminals with the terminal COM, or making
these terminals have the same potential, allows P-1 and up to P-8
to be switched. Also, for front panel key-based operation, pressing
the Increment key for approx. 3 seconds allows a pattern to be
switched.
* In default, front panel key-based operation is enabled. If you wish to
perform terminal control, set it up using condition data.
6.3. Start/Hold Function
The start/hold function holds the display at any timing, which can be
set in type A or type B using condition data. Type A is the free run
mode, in which you short the S/H terminal with terminal COM or make
these terminals have the same potential from the free-run status to
hold the indicated value and comparison judgment value. Type B is
the one-shot mode. In this mode, you short the S/H terminal with
terminal COM or make these terminals have the same potential from a
hold status to output the indicated value and comparison judgment
value once. For this, see the timing chart below.
6.4. Peak Hold Function
The peak hold function holds one of the maximum values (peak
hold), minimum values (valley hold), and maximum value - minimum
value - (peak valley hold) and produces output in relation to it
(switching of these values is set up using condition data). The peak
hold function can be activated by shorting the PH terminal with the
terminal COM or making these terminals have the same potential.
6.5. Digital Zero Function
The digital zero function regards display at any timing as zero and
indicates varying width from this point on. This function can be
activated or deactivated by terminal control or front panel key-based
operation, which is selected according to the setting of condition data.
For terminal control, the DZ and COM terminals are short-circuited or
made to have the same potential to activate the digital zero function,
causing the display of that time to be zero. For front panel key-based
operation, press the Shift key for approx. 3 seconds to activate the
function, causing the display of that time to be zero.
* In the default, front panel key-based operation is enabled. To
perform terminal control, set it up using condition data.
7. Output Function
7.1. Comparison Output Function
The A7000 series allows four judgment values of HH, HI, LO, and
LL to be set up with respect to the measured value (indicated value)
and the judgment result to be output by relay contact output or
photocoupler (when the comparison output unit has been installed).
For the contact rating, etc., see the output specifications.
7.2. BCD Output Function
The A7000 series can output BCD signals with respect to the
indicated value (when the BCD output unit has been installed). BCD
output logic can be selected using condition data.
Measurement operation
Pressing for a prolonged time
①Press the Enter key for approx. 3 seconds during
measurement operation.
②Press the Increment key several times to move to the
linearize setting menu.
③Press the Mode key to display the first input value setting
message.
④Press the Increment key to enter the first input value setting.
The input value is an indicated value with respect to an
input before performing linearization.
&
⑤Using the Shift key (digit change) and Increment key (value
change), set the input value to the desired value (this
setting example sets it to "10").
&
⑥Press the Mode key to return to the setting menu. (In this
setting example, the display returns to the first input setting
menu.)
⑧Press the Increment key to enter the first output value
setting.
* The output value is an indicated value with respect to an input
after performing linearization.
⑨Using the Shift key (digit change) and Increment key (value
change), set the output value to the desired value (this
setting example sets it to "20").
⑩Press the Mode key to return to the setting menu. (In this
setting example, the display returns to the first input setting
menu.)
⑪Press the Increment key to set the second and later
input/output values.
* Set input and output values by the number of settings made
in the linearize setting of condition data.
⑦When you press the Increment key, the first output value
setting message appears.
⑫Press the Enter key to return to measurement operation.
P.SEL1
P.SEL2
P.SEL3
Pattern1 Pattern 2 Pattern 3 Pattern 4 Pattern5 Pattern 6 Pattern 7 Pattern8
Open Open
Shorted Shorted Open
Open
Shorted
Open Shorted
Open
Shorted
Shorted
Open Shorted
Open Shorted
Terminal
Name
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 9/12

7.3. Analog Output Function
The A7000 series can output an analog signal with respect to the
indicated value (when the analog output unit has been installed).
There are four types of outputs: 0 to 1 V, 0 to 10 V, 1 to 5 V, and 4 to
20 mA, which can be selected using scaling data. Also, any scaling
can be applied.
7.4. RS-232C Function
The A7000 series allows RS-232C function to be incorporated
(when the RS-232C unit has been installed). For the RS-232C function,
see the separate Communications Function Operation Manual.
7.5. RS-485 Function
The A7000 series allows RS-485 function to be incorporated (when
the RS-485 unit has been installed). For the RS-485 function, see the
separate Communications Function Operation Manual.
8. Specifications and Outer Dimensions
8.1. Input Specifications
8.2. Common Specifications
Display: 7-segment LED display (character height: approx. 16 mm)
Polarity display: Automatically indicated when the calculation result is negative
Display range: -9999 to 9999
Overrange warning: “OVER” or “-OVER” indication in response to an input signal
exceeding the display range
Decimal point: Settable to any digit position
Zero indication: Leading zero suppression
External control: P.SEL1 - 3, HOLD, PH, DZ (depending on output units)
Operating temperature and humidity ranges:
0 to 50 °C, 35 to 85% R.H (no condensation)
Storage temperature and humidity ranges:
-10 to 70 °C, 60% R.H or less
Power: AC power unit... 100 to 240 V AC ±10%,
DC power unit ... 12 to 48 V DC ±10%
Power consumption: 8 VA max. (AC power unit)
7 W max. (DC power unit)
Outer dimensions: 72 mm (W) x 36 mm (H) x 118 mm (D)
Weight: Approx. 160 g
Withstand voltage (AC power):
Power terminal to input terminal, COM, comparison output,
BCD,
analog output, or RS communications terminal 1500 V AC
for 1 minute
Withstand voltage (DC power):
Power terminal to input terminal, COM, comparison output,
BCD,
analog output, or RS communications terminal 500 V DC for 1
minute
Withstand voltage (common):
Input terminal to comparison output, BCD, analog output, or
RS- communications terminal 500 V DC for 1 minute
Case to each terminal 1500 V AC for 1 minute
Insulation resistance: 500 V DC at 100 MΩor more between the noted
terminals
8.3. Output Specifications
8.3.1. Comparison Output
Control method: Microcomputer-based calculation method
Judgment value setting range:
-9999 to 9999
Hysteresis: Settable in the range of 1 to 999 digits with respect to each
judgment value
Comparison action: Depending on sampling rate
Setting conditions: High-high limit judgment value > high limit judgment value > low
limit
judgment value > low-low limit judgment value
Comparison conditions:
Comparator relay: Contact rating
125 V AC, 0.3 A (resistive load)
30 V DC, 1 A (resistive load)
Number of contacts
Relay contact x 5
Mechanical life
50 million times or more
Electrical life
100,000 times or more (resistive load)
Photocoupler output: Output rating
Sink current 50 mA max.Voltage applied: 30 V max.
Output saturation voltage 1.2 V or less at 50 mA
Output quantity
Photocoupler x 5
8.3.2. BCD Outputs
●TTL output
Measured data: Tri-state parallel BCD
Polarity signal: 1 level for negative indication
Excess signal: 1 level for excess indication
Printout command signal (PC):
Positive pulse output after completion of measurement (PC
width depends on sampling)
Output logic: Switchable (PC logic not switchable)
Output signal: TTL level fan-out = 2, COMS compatible
●Open collector output (NPN type)
Measured data: Transistor ON when negative logic is logic 1
Polarity signal: Transistor ON for negative indication
Excess signal: Transistor ON for excess indication
Printout command signal (PC):
Transistor ON after completion of measurement (PC width
depends on sampling)
Output logic: Switchable (PC logic not switchable)
Transistor output capacity:
Voltage 30 V max., Current 10 mA max.
Output saturation voltage 1.2 V or less at 10 mA
●Enable
Enable input: Shorting the ENABLE terminal with the DG terminal or making
these terminals have the same potential causes BCD output to
be high impedance (TTL) or transistor to be turned OFF.
Control signal HI level:
3.5 to 5 V with respect to DG terminal
Control signal LO level:
0 to 1.5 V with respect to DG terminal
Input current: -0.5 mA
Judgment
HH, HI
LO
GO
HI
LO, LL
ResultsIndicated value > high-high limit judgment value > high limit judgment value
Comparison Conditions
High limit judgment value ≧indicated value ≧low limit judgment value
Low limit judgment value > low-low limit judgment value > indicated value
High-high limit judgment value ≧indicated value > high limit judgment value
Low limit judgment value > indicated value ≧low-low limit judgment value
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 10/12
Display
Measurem
ent Range
Max.
Allowabl
e Input
Error (23°C ± 5°C,
35 to 85%)
●AC voltage measurements
99.99 mV
Offset:± 9999
Full scale:
± 9999
999.9 mV
9.999 mV
99.99 V
700.0V
± (0.2% of rdg +
20 digit)
50 V
250 V
700 V
Input
Impedance
100 MΩ
Approx. 1 MΩ
Approx.
10 MΩ
Range
11
12
13
14
15 ± (0.3% of rdg + 20 digits)
Measurement method : True rms value calculation
Frequency range : 40Hz to 1kHz
Response speed : Approx. 1 second (10% to 90% Indication value)
Sampling rate: Approx. 2.5 times/sec
Dead zone : Less than 0.5% of an FSC set point, indication 0 is fixed.
* Error is applied to a sine wave that equals 5% of the measurement range.
●AC current measurements (small current)
●AC current measurements (large current)
Measurement method : True rms value calculation
Frequency range : 50Hz or 60Hz(21,22range),40Hz to 1kHz(23,24range)
Response speed : Approx. 1 second (10% to 90% Indication value)
Sampling rate: Approx. 2.5 times/sec
Dead zone : Less than 0.5% of an FSC set point, indication 0 is fixed.
* Error is applied to a sine wave that equals 5% of the measurement range.
25 Offset:± 9999
Full scale:
± 9999
26 ± (0.7% of rdg +
20 digits) 3A
Display
Measure
ment
Range
Max.
Allowab
le Input
Error (23°C ± 5°C,
35 to 85%) Input
Impedance
Rang
e
21 99.99 μAOffset:± 9999
Full scale:
± 9999
22
23
24
999.9 μA
9.999 mA
99.99 mA
± (0.5% of rdg +
20 digits)
10 mA
50 mA
500 mA
Approx. 100 Ω
Approx. 10 Ω
Approx. 10 Ω
Approx. 1 Ω
Display
Measure
ment
Range
Max.
Allowab
le Input
Error (23°C ± 5°C,
35 to 85%) Input
Impedance
Rang
e
999.9 mA
5 A
Approx. 0.1 Ω
(CT) 8A
Measurement method : True rms value calculation
Frequency range : 40Hz to 1kHz (25 range), 50Hz or 60Hz (26 range)
Response speed : Approx. 1 second (10% to 90% Indication value)
Sampling rate: Approx. 2.5 times/sec
Dead zone : Less than 0.5% of an FSC set point, indication 0 is fixed.
* Error is applied to a sine wave that equals 5% of the measurement range.

8.3.3. Analog Output
8.3.4. Communication Function
8.4. Outer Dimensions
9. Timing Chart
Conversion method: PWM conversion
Resolution: 13 bits or equivalent
Scaling: Digital scaling
Response rate: Approx. 0.5 seconds
* A ripple of 4 to 20 mA is caused at a resistive load of 250 Ωand output of 20 mA.
Output Type Ripple
0 to 1 V
0 to 10 V
1 to 5 V
4 to 20 mA ±25mVpp
±50mVpp
Resistive Load
10 kΩor more
10 kΩor more
10 kΩor more
550 Ωor less
Accuracy
±(0.5% of FS)
Start-stop transmission system
38400bps/19200bps/9600bps/4800bps/2400bps
1bit
7 bits/8 bits
Even parity/odd parity/none
1 bit/2 bits
ASCII codes
Non-procedural
* For more information on the communications function such as the send/receive format
and commands, see the separate A7000 Communications Function Operation Manual.
CR+LF/CR
RS-232C
Full duplex
15 m
1
TXD, RXD, SG
Two-line semi-duplex (polling selecting system)
500 m maximum
A maximum of 31 meters
Non-inverse (+), inverse (-)
BCC (block check character) checksum
RS-485
Synchronous System
Communication System
Transmission Rate
Start Bit
Data Length
Error Detection
Stop Bit
Character Code
Data Communication
Control Procedure
Signal Name in Use
Number of Units
Connected
Line Length
Delimiter
Ｅ Ｍ
ＨＨ
ＨＩ
ＧＯ
ＬＬ
ＲＥ
ＰＨ
ＤＺ
Ｐ１
Ｐ２
Ｐ３
ＭＥ
ＬＯ
33
68
80
87
72
7118
36
*3 + delay time + (*1 x 2) + 500 μs
*3 + delay time + (*1 x 2) + 500 μs + *4
Internal
sampling
Set sampling
S/H terminal
P.C (BCD defined)
*1
*2
*3
Comparison
output updating
*4
Start/hold type A
Start/hold type B
Delay time + (*1 x 2) + 500 μs
Delay time + (*1 x 2) + 500 μs + *4
Internal
sampling
Set sampling
S/H terminal
P.C (BCD defined)
*1
*2
Comparison output updating
*4
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 11/12
*1 Set sampling
This is the practical sampling rate of the A7000 series that is set using the AVG
parameter of condition data (see the table below).
*2 P.C signal output width
This differs depending on the set sampling and is as shown below:
*3 External start signal
An external start signal should be 500 μs to one period of set sampling. You
can set the delay time to external start using the start/hold delay time
parameter of condition data.
*4 Comparison output delay time
Relay output: 10 ms maximum, photocoupler output: 200 μs maximum
Approx. 4.8 s
Approx. 1.92 s
Approx. 384 ms
Approx. 768 ms
Approx. 960 ms
Set AVG
Count Set Sampling Rate Set Sampling Period
400
800
1000
2000
5000
2.604125 times/sec
1.3020625 times/sec
1.04165 times/sec
0.520825 times/sec
0.20833 times/sec
400
800
1000
2000
5000
Approx. 30 ms
Set AVG Count P.C Output Width

10. Error Messages
10.1. Error Display during Measurement or Setting
10.2. Error Display in the Event of Problem in Memory
11. Warranty and After-sales Service
11.1. Warranty
The warranty period of the product is one year from the date of
delivery. If a failure occurs during this period that is clearly judged to
be caused by a defect ascribable to Watanabe Electric Industry, we
will repair the failure or replace any defective parts without charge.
11.2. After-sales Service
The product has been manufactured, tested, and inspected with
strict quality control management before shipment. Should the
product break down, contact (send it to) your sales representative
or our sales office directly. (In this case, write a detailed description
of the problem and enclose it with the product.)
Display Description
Indicates that each judgment value of comparator data or the size of hysteresis
parameters does not meet the conditions.
Indicates that a signal exceeding the measurement range has been applied.
Indicates that an input signal once exceeded the measurement range, but has
returned to the measurable range with the peak hold function activated.
Indicates that the unit is waiting for an A/D converter input or that power-ON
delay time is valid.
Indicates that the full scale input value and offset input value of scaling data
have the same value.
Indicates that digital limiter HI and digital limiter LO of scaling data have the
same value.
Indicates that analog output HI and analog output LO of scaling data have the
same value.
Linearize data error
* Turning power ON with the Enter key and Mode key held down causes all the parameters to
return to the initial values (defaults).
Display
Memory switch area, checksum error of main memory
Calibration data area, checksumerror of main memory
Memory switch area, checksum error of sub-memory
Calibration data area, checksumerror of sub-memory
Condition data area, checksum error
Press the Mode key for a prolonged time to load the initial values.
Scaling data area, checksumerror (for each pattern)
Press the Mode key for a prolonged time to load the initial values of each pattern.
Comparator data area, checksum error (for each pattern)
Press the Mode key for a prolonged time to load the initial values of each pattern.
Calibration data area, checksumerror (for each pattern)
Press the Mode key for a prolonged time to load the initial values of each pattern.
Shift data area, checksum error
Press the Mode key for a prolonged time to load the initial values.
Linearize data area, checksum error
Press the Mode key for a prolonged time to load the initial values.
Description
WATANABE ELECTRIC INDUSTRY CO., LTD.
6-16-19, Jingumae, Shibuya-ku, Tokyo 150-0001, Japan
Phone: [phone]
Homepage http://en.watanabe-electric.co.jp/
ASAHI KEIKI DIVISION
WATANABE ELECTRIC INDUSTRY CO., LTD.
6-16-19, Jingumae, Shibuya-ku, Tokyo 150-0001, Japan
Phone: [phone]
Homepage http://en.watanabe-electric.co.jp/
(UW-33802n)
Instruction Manual for MODEL A7X14,5,6-X(AC Voltage and Current Measurement) 12/12