YOKOGAWA VJX7 User manual

Model VJX7
Universal Computing
Unit (Multi-function)
(Isolated Single-output,
Isolated Dual-output Type)
IM 77J01X07-01E
1st Edition Jan. 2000
4th Edition Feb. 2017
CAUTIONARY NOTES FOR SAFE USE OF THE
PRODUCT
This User’s Manual should be carefully read before installing and
operating the product. Please keep this User’s Manual for future
reference.
For more information of the safety precautions, please refer to the
“Precautions on the Use of the JUXTA Series (IM 77J01A00-91Z1)”.
The related manuals and general specications are shown in the
table below.
Doc. Name Doc. Number
Precautions on the Use of the JUXTA Series (User’s Manual) IM 77J01A00-91Z1
Model VJX7 Universal Computing Unit (User’s
Manual)
IM 77J01X07-01E
(This manual)
Model VJX7 Universal Computing Unit (General
Specifications)
GS 77J01X07-01E
User’s manuals in the above table are essential parts of the
product; keep it in a safe place for future reference.
This manual is intended for the following personnel;
• Engineers responsible for installation, wiring, and maintenance
of the equipment.
• Personnel responsible for normal daily operation of the
equipment.
The following symbol is used on the product and in this manual to
ensure safe usage.
WARNING
Calls attention to actions or conditions that could
cause serious or fatal injury to the user, and indicates
precautions that should be taken to prevent such
occurrences.
CAUTION
Calls attention to actions or conditions that could
cause injury to the user or damage to the instrument
or property and indicates precautions that should be
taken to prevent such occurrences.
CHECKING THE PRODUCT SPECIFICATIONS
AND THE CONTENTS OF PACKING
(1) Model Number and Specication Check
Check that the model number and specications shown on the
nameplate attached on the side of the product are as ordered.
(2) Contents of the Packing
Check that the packing contains the following items:
• VJX7: 1 unit
Standard Accessories:
• Tag number label: 1 sheet
• Range label: 1 sheet
• Shunt registor (for specication of current input): 1 piece
• User’s manual (IM 77J01X07-01E, this manual): 1 copy
• User’s manual (IM 77J01A00-91Z1): 1 copy
GENERAL
This Universal Computing Unit, which belongs to the JUXTA
series of signal conditioners, receives DC current or voltage
signals and converts them to pairs of isolated DC voltage or
current signals.
• Output-2 signal is selectable from a DC voltage signal, DC
current signal, communication function (RS-485), and two
relay contacts. (Isolated Dual-output Type)
• Various parameters such as input range can be set and
modied using a PC (VJ77(sold separately)) or Handy
Terminal (JHT200(sold separately) and the like).
MODEL AND SUFFIX CODES
Model Sufx codes Description
VJX7 -x x x -x x x 0/x Universal Computing Unit (Multi-
function)
Function
-A Free program
-B Moving average computation
-C Dead time computation
-D First-order lag computation
-E First-order lead computation
-F Uniform-speed response
(Velocity limiter)
-G Limiter
-H Velocity computation
-J Linearizer
-K Ratio setting
Output
conguration
11 output
22 outputs
Power supply 6100-240 V AC/DC*1
715-30 V DC*2
Input signal
-A 0 to 50 mA DC, span is 5 mA or
more
-1 –10 to +10 V DC, span is 0.1 V
or more
Output-1 signal
A4 to 20 mA DC
61 to 5 V DC
Z(Custom order)*3
Output-2 signal
A4 to 20 mA DC
61 to 5 V DC
P Communication function (RS-485)
TContact output (2 relay contacts)
NNo output-2
Fixed code 0Always 0
Option
/SN
No socket (with socket if not specied)
/C0 HumiSeal coating*4
/FB Fuse bypass*4
*1: Operating range: 85 to 264V AC/DC
*2: Operating range: 12 to 36V DC
*3: DC voltage signal or DC current signal
*4: When option code /C0 or /FB is specied, the conformity to the safety
and EMC standards is excluded. CE marking is not applicable.
User’s
Manual
1
Thank you for purchasing the JUXTA Signal Conditioner.
Please read through this manual before use for correct handling.
2-9-32, Naka-cho Musashino-shi, Tokyo 180-8750 Japan
http://www.yokogawa.com/ns/juxta/im/
You can download the latest manuals from the following website:

1. MOUNTING METHODS
CAUTION
●Plug/disconnect the main unit into/from the
socket vertically to the socket face. Otherwise the
terminals may bend and it may cause bad contact.
●The converter shall not tilt 5 degrees or more in
either direction when installed.
●When the converter is not connected to the socket,
it is necessary to protect the socket against ingress
of dust to the connector part.
●Keep this product in a conductive bag when
plugged out, during transport or storage.
1.1 Wall Mounting
Loosen the main unit-xing screw of the computing unit to
disconnect the main unit from the socket. Next, anchor the
socket onto the wall with screws. Then, plug the main unit into the
socket and secure the main unit with the main unit-xing screw.
29.5 or more
22±0.2
2-M4 or
2-ø
4.5 or more
Mounting Dimensions
Unit: mm
59±0.3
Main unit-fixing screw
Socket
Main unit
Threaded hole for
fixing the main unit
Mounting screws
1.2 DIN Rail Mounting
Locate the computing unit so that the DIN rail ts into the upper
part of the DIN-rail groove at the rear of the socket, and fasten
the socket using the slide lock at the lower part of the socket.
DIN rail
Fit into here
Push
DIN rail
DIN rail
(Rear of the socket)
Slide lock
1.3 Mounting Using a Multi-mounting Base
For mounting using a multi-mounting base, see the Instruction
Manual for VJCE (VJ Mounting Base).
1.4 Using Ducts
Wiring ducts should be installed at least 30 mm away from the top
or bottom of the main unit.
2. INSTALLATION LOCATION
• Avoid the following environments for installation locations:
Areas with vibrations, corrosive gases, dust, water, oil,
solvents, direct sunlight, radiation, a strong electric eld,
and/or a strong magnetic eld, direct radiant heat, wind,
temperature uctuation, 2,000 m or more above sea level.
• If there is any risk of a surge being induced into the power line
and/or signal lines due to lightning or other factors, a dedicated
lightning arrester should be used as protection for both the
product and a eld-installed device.
• Operating temperature/humidity range: -10 to 55°C (-10
to 45°C for side-by-side mounting*)/5 to 90%RH (no
condensation)
* If the previous model (style S3.xx earlier) is installed
together, the ambient temperature is 0 to 40°C.
• Continuous vibration: (at 5 to 9 Hz) Half amplitude of 3 mm or
less (at 9 to 150 Hz) 9.8m/s2or less, 1 oct/min for 90 minutes
each in the three axis directions
• Impact: 98 m/s2 or less, 11 ms, 3 axes, 6 directions, 3 times
each
3. EXTERNAL WIRING
WARNING
●To avoid the risk of an electric shock, turn off the
power supply and use a tester or similar device to
ensure that no power is supplied to a cable to be
connected, before carrying out wiring work.
●Do not operate the product in the presence of
ammable or explosive gases or vapors. To do so is
highly dangerous.
●Use of the product ignoring the specications may
cause overheating or damage. Before turning on
the power, ensure the following:
• Power supply voltage and input signal value
applied to the product should meet the required
specications.
• The external wiring to the terminals and wiring to
ground are as specications.
Wires are connected to the terminals of the computing unit’s
socket. M3 screw terminals are provided for the connection
of external signals. Attach a crimp-on lug to each wire for
connection to the terminals.
• Recommended cables: A nominal cross-sectional area of
0.5 mm2or thicker for signal cables, and that of 1.25 mm2or
thicker for power cables, and shielded twisted-pair cables
(AWG24) for communication wiring cables.
Analog output
Analog output
RS-485
communication
Power supply
R: Externally
connected for
current input
Shunt resistor
(Externally connected
for current input)
1011
3 2 1
56
789
1110 8
L+N–GND
1
3
+
–
+
–
Input
+
R
–5
2
6
5
2
Output-2 signal
9
7
Output-1 signal
RLY1
RLY2
COM
Contact output
5
2
6
B+
A–
COM
CAUTION
●Do not use output-2 for the isolated single-output type .
●The power line and input/output signal lines should
be installed away from noise-generating sources.
Other wise accuracy cannot be guaranteed.
●Make sure to earth ground the ground terminal
through minimum resistance. The length and
thickness of the grounding cable should be as
short and thick as possible. Directly connect the
lead from the ground terminal (terminal no. 8) of
the product to the ground. Do not carry out daisy-
chained inter-ground terminal wiring.
●The product is sensitive to static electricity;
exercise care in operating it. Before you operate
the product, touch a nearby metal part to discharge
static electricity.
● If an inductance (L) load such as auxiliary relays
or solenoid valves is used, always insert a spark
killer for diminishing sparks, such as a CR lter or a
diode in parallel with the inductance load. Otherwise
a malfunction or relay failure may occur. Refer to the
following guidelines for a capacitor and resistor:
• C: 0.5 to 1 μF with respect to a contact current of 1 A
• R: 0.5 to 1 W with respect to a contact voltage of 1 V
●If the ambient temperature is 50 °C or more, please
use the cable that the rated temperature is 70 °C or
more.
2IM 77J01X07-01E 4th Edition Feb.20. 2017-00

4. DESCRIPTION OF FRONT PANEL AND
CONNECTION OF SETTING TOOLS
4.1 Front Panel
The communications connector in the front panel is used for setting
up parameters through a PC (VJ77 PC-based Parameters Setting
Tool) or the Handy Terminal. The RLY1 and RLY2 LEDs light up if a
contact is ON (those LEDs are provided only when the output-2 is
specied for contact output (the output-2 sufx code is T).)
Relay 1 indicator lamp
Communication connector
Relay 2 indicator lamp
4.2 Connector for Communication
Use the connector for communication when setting the
parameters using a PC (VJ77 Parameters Setting Tool) or the
Handy Terminal.
< How to connect with the setting tool>
JUXTA communication
cable with 5-pin
connector
Modular jack
conversion
adapter
Dedicated adapter
Dedicated cable
<How to connect with the setting tool>
JUXTA
VJ Series
PC with the
VJ77 installed
JHT200
Handy Terminal
• Use the VJ77 of version R2.02,1 or later.
• The modular jack conversion adapter does not come with the
JHT200 Handy Terminal. It is sold separately.
5. SETTING PARAMETERS
Set the parameters using a PC (VJ77 Parameter Setting Tool) or
the Handy Terminal. Refer to “7. LIST OF PARAMETERS” in this
manual and the User’s Manual for VJ77 PC-based Parameters
Setting Tool (IM 77J01J77-01E) or the User’s Manual for JHT200
Handy Terminal (IM 77J50H01-01EN).
5.1 Settings Related to Inputs and Outputs
5.1.1 Input Type
Set by selecting input type from among VOLTS (DC voltage)
and CURRENT (DC current) in [D12: INP TYPE].
5.1.2 Setting Input Resistance
When the input is DC current signal, set the external
resistance in [D13:IN RESIST] (see Chapter 3, "EXTERNAL
WIRING"). For example, enter "250" when the input is 4 to 20
mA DC.
5.1.3 Input Range
Set the 0% value of input range to [D24: INPUT1 L_RNG]
and the 100% value of input range to [D25: INPUT1 H_RNG]
within the numerically specied range.
CAUTION
In case the input range is changed after factory-ship,
the instrument may not work within the rated accuracy
range depending on the changed input range. Perform
the adjustment following the maintenance of this
instruction manual after changing the input range.
5.1.4 Selection of Program Function
Select the following communication functions in [D45:PRGM
SELECT].
(A) free program, (B) moving average, (C) dead time, (D) rst-
order lag, (E) rst-order lead, (F) velocity limiter, (G) limiter,
(H) velocity computation, (J) linearizer, and (K) ratio setter
5.1.5 Computation Cycle Time
Set the computation cycle time by selecting either 100 ms or
200 ms in [D48:CYCLE TIME]. Displayed only when D45 is
"A".
5.1.6 Direction of Output Action
Analog output signals can be reversed. To reverse the signal
from output-1, set [D50: OUT1 DR] to REVERSE. For
output-2, set [D51 OUT2 DR] to REVERSE. To return the
output-1 signal to normal, set [D50: OUT1 DR] to DIRECT.
For output-2, set [D51: OUT2 DR] to DIRECT. Displayed only
when D45 is other than "A".
5.1.7 External Input Resistance Correction
For current input, set the external resistance to [D13: IN
RESIST]. There is a difference between this value and the
actual external resistance. If this difference causes an error,
the input can be corrected.
To perform correction, wire as shown in the gure below, apply
a stable input equivalent to 100%, and set [P40:RESISTOR
ADJ] to EXECUTE.
If you need perform correction again such as when the
external resistance is changed, reset the correct value. To do
so, set [P40: RESISTOR ADJ] to RESET.
A current
generator
VJH7
R：External resistor
R
1
3
5.2 Settings Related to Communication
Function
Set the following parameters when output-2 is specied
for communication function. For more information on the
communication function, see the Instruction Manual for VJ Series
Communication Function (IM 77J1J11-01E).
5.2.1 Communication Protocol
Set the communication protocol by selecting from among PC-
LINK, PC-LINK WITH SUM, MODBUS ASCII, MODBUS RTU,
and LADDER in [F01: PROTOCOL].
5.2.2 Communication Address
Set the address number of the isolator numerically in a range
of 1 to 99 in [F02: ADDRESS].
5.2.3 Baud Rate
Set the baud rate by selecting from among 1200, 2400, 4800,
9600, 19200 and 384000 bps in [F03: BAUD RATE].
5.2.4 Parity
Select and set NONE, EVEN, or ODD in [F04: PARITY].
5.2.5 Data Length
Select and set 7 bits or 8 bits in [F05: DATA LEN].
5.2.6 Stop Bit
Select and set 1 bit or 2 bits in [F06: STOP BIT].
5.2.7 Decimal Point Position
Number of decimals of input value (setting of D register
[D0003]) can be set. Select the number of decimals from
among 0 to 5 in [F07: INPUT DEC PT].
3IM 77J01X07-01E 4th Edition Feb.20. 2017-00

6. COMPUTING FUNCTION
6.1 VJX7-A (Free Program)
This computing unit is used to meet individual applications
by programming the available commands using a PC (PC-
based Parameters Setting Tool) or the Handy Terminal. Set the
computing program in G01 to G59.
6.2 VJX7-B (Moving Average Computation)
This computing unit stores the input values sampled at intervals
of one-fortieth of the moving-average time (L) into 40 buffers
in order, and outputs the moving average of 40 input values
(Output-1= Y1, Output-2= Y2). The output between samplings
is smoothed out by interpolation. Minimum sampling time is the
computing period (100 ms). Therefore, when the moving-average
time is set shorter, the number of samplings is less than 40.
When using a rst-order lag lter for input (X), set the rst-order
lag time constant (T).
Set the moving-average time (L) at % value in [H02: CONST].
The value of 0.0 to 100.0% corresponds to that of 0 to 1000
seconds. For example, enter “6” to set in H02 when setting 60
seconds.
• Setting range of moving-average time:
0 to 320,000 seconds (about 3.7 days) with 4 signicant digits
Minimum unit is 1 second (however, 0.1 second is possible for
4 seconds or shorter).
(e.g. 12345% is impossible, 12340% is possible.)
First-order lag time constant (T) is set at % value in [H01:
CONST]. The value of 0 to 100% corresponds to that of 0 to 100
seconds.
• Setting range of time constant:
0 to 799.0 seconds; minimum unit is 0.1 second.
• Accuracy of moving average and time constant setting:
(±5.0% of set value) ± 1 second
e.g.
X
40
X
39
X
38
X
37
X
36
X
35
X
5
X
4
X
3
X
2
X
1
Moving average=
Computation time
Time
X1+X2+ • • • • • X40
40 (Note)
Note: For the moving average times at 1, 2 and 3
second, the number of samplings is 10, 20 and
30, respectively (when the computing period is
100 ms).
6.3 VJX7-C (Dead Time Computation)
This computing unit stores the input values (X) sampled at
intervals of one-fortieth of the dead time (L) into 40 buffers in
order and outputs data (output-1=Y1, Output-2= Y2) after the
dead time has elapsed. Minimum sampling time is the set
computing period. Therefore, when the dead time is set shorter,
the number of samplings is less than 40. However, for the dead
times of 3, 2 and 1 second, the number of samplings is 30, 20,
and 10, respectively (when the computing period is 100ms).
The output between samplings is smoothed out by interpolation.
When using a rst-order lag lter for input (X), set the rst-order
lag time constant (T). Set the dead time (L) at % value in [H02:
CONST]. The value of 0.0 to 100.0% corresponds to that of 0 to
1000 seconds. For example, enter “6” to set in H02 when setting
60 seconds.
• Setting range of dead time:
0 to 320,000 seconds (about 3.7 days) with 4 signicant digits
Minimum unit is 1 second (however, 0.1 second is possible for
4 seconds or shorter).
(e.g. 12345% is impossible, 12340% is possible.)
First-order lag time constant (T) is set at % value in [H01:
CONST]. The value of 0 to 100% corresponds to that of 0 to 100
seconds.
• Setting range of time constant:
0.0 to 799.0 seconds; minimum unit is 0.1 second.
• Accuracy of dead time and time constant setting:
(±5.0% of set value) ± 1 second
Y1=Y2= X
e
-LS
1+TS
e.g. 0% → 100% step input
Input
Output L
6.4 VJX7-D (First-order Lag Computation)
This computing unit provides a rst-order lag computation on
input (X) with a time constant (T) and outputs the result (output-
1=Y1, output-2=Y2). Set the time constant (T) at % value in [H01:
CONST]. The value of 0 to 100% corresponds to that of 0 to 100
seconds.
• Setting range of time constant:
0 to 799.0 seconds; minimum unit is 0.1 second.
• Accuracy of time constant setting:
(±5.0% of set value) ± 1 second
Y1=Y2= X
1
1+TS
e.g. 0% → 100% step input
Input 0%
63.2%
100%
100%
Output 0%
T
6.5 VJX7-E (First-order Lead Computation)
This computing unit provides a rst-order lead computation on
input (X) with a time constant (T) and outputs the result (output-
1=Y1, output-2=Y2). Set the time constant (T) at % value in [H01:
CONST]. The value of 0 to 100% corresponds to that of 0 to 100
seconds.
• Setting range of time constant:
0 to 799.0 seconds; minimum unit is 0.1 second.
• Accuracy of time constant setting:
(±5.0% of set value) ± 1 second
Y1=Y2= (1+ ) X
TS
1+TS
e.g. 0% → 50% step input
Input 0%
68.4%
50%
100%
50%
Output 0%
T
6.6 VJX7-F (Velocity Limiter)
This computing unit limit the input (X) velocity at the ascending
velocity limit for a positive change and the descending velocity
limit for a negative change, and outputs the limited value (output-
1=Y1, output-2=Y2). When the input velocity (slope) is no more
than the limit value, the unit outputs the input as is.
Set the ascending velocity limit at % value in [H01:CONST], and
the descending velocity limit at % value in [H02:CONST]. The value
of 0.0 to 100.0% corresponds to that of 0.0 to 100.0%/minute.
• Setting range of velocity limit value:
0.1% to 699.9%/minute; minimum unit is 0.1%/minute.
Setting the limit at 700.0%/minute or above does not limit the
input, so the unit simply outputs the input as is (i.e., works as
an open limit function).
• Accuracy of velocity limit setting:
(±5.0% of set value) ± 1 %/minute
e.g. 0% → 100% → 0% step input
Input 0%
100%
100%
Output 0%
Ascending velocity limit
(%/minute)
Descending velocity limit
(%/minute)
6.7 VJX7-G (Limiter)
This computing unit serves as an ordinary converter as long as
the input (X) is within the upper and lower limits. When the input
exceeds the limit, the unit outputs the signal that corresponds to
the limit value (output-1=Y1, output-2=Y2).
Set the upper limit at % value in [H01:CONST], and the lower
limit at % value in [H02:CONST].
• Setting range of upper and lower limit value:
-6.00 to 106.00%; minimum unit is 0.01%.
4IM 77J01X07-01E 4th Edition Feb.20. 2017-00

However, if the setting is made so that the upper limit < lower
limit, the unit outputs the upper limit value.
6.8 VJX7-H (Velocity Computation)
This computing unit calculates the input velocity by subtracting
the input of the last velocity computation (XL) from the present
input (X). The unit then adds a 50% bias to one-half of the
obtained velocity and outputs the result (output-1=Y1, output-
2=Y2). The output results is 50% when the input is not changed,
50% or more when the input increases (100% for X-XL 100%),
and 50% or less when the input decreases (0% for X-XL –100%).
When using a rst-order lag lter for input (X), set the rst-order
lag time constant (T).
Y1=Y2= +50%
X–X
L
2
Set the velocity computation time (L) at % value in [H02:
CONST]. The value of 0 to 100.0% corresponds to that of 0 to
1000 seconds. For example, enter “6” to set in H02 when setting
60 seconds.
• Setting range of velocity computation time:
0 to 320,000 seconds (about 3.7 days) with 4 signicant digits
Minimum unit is 1 second (however, 0.1 second is possible for
4 seconds or shorter).
( e.g. 12345% is impossible, 12340% is possible.)
First-order lag time constant (T) is set at % value in [H01:
CONST]. The value of 0 to 100% corresponds to that of 0 to 100
seconds.
• Setting range of time constant:
0 to 799.0 seconds; minimum unit is 0.1 second.
• Accuracy of moving average and time constant setting:
(±5.0% of set value) ± 1 second
6.9 VJX7-J (Linearizer)
This computing unit gives an optional relationship between the
input (X) and output (output-1=Y1, output-2=Y2) signals using an
optional line-segment function. The line-segment function has 21
breakpoints, which each gives an input-output relationship as a
percentage (%). Set the input (X) at % value in [H01:CONST] to
[H21:CONST], and the output (Y) at % value in [H22:CONST] to
[H42:CONST].
• Breakpoint (21 points) setting conditions:
For input: -6.0≤X0 (H01) to X20 (H21)≤106.0%; minimum unit
is 0.01%
X0<X1<X2< ····· <X20
For output: -6.0≤Y0 (H22) to Y20 (H42)≤106.0%; minimum unit
is 0.01%
When input≤X0 (H01), Y0 (H21) is output.
When input≥20 (H22), Y20 (H42) is output.
Any number of line segments (1 to 20) can be set in H43.
The number of line segments 1 to 20 corresponds 100 to
2000%.
• Computation accuracy:
±0.1 % (when line-segment gain is 1 or less)
6.10 VJX7-K (Ratio Setter)
This computing unit sets the ratio by the following expression.
Y1=Y2=K1 ×(X+A1)+A2
where Y1: Output-1 signal (%)
Y2: Output-2 signal (%)
X: Input signal (%)
K1: Ratio (no unit)
A1, A2: Bias (%)
Set the ratio (K1) in [H01:CONST], and the bias (A1) at % value
in [H02:CONST], and the bias (A2) at % value in [H03:CONST].
• Setting range of ratio:
-320 to 320 with 4 signicant digits; minimum unit is 0.00001.
• Setting range of bias:
-32,000% to 32,000% with 4 signicant digits; minimum unit is
0.001%.
• Computation accuracy:
±0.1 % (when K1=1, A1=A2=0%)
7. LIST OF PARAMETERS *3
Parameter Display Item
MODEL Model
TAG NO Tag no.
SELF CHK Self-check result
A DISPLAY1 Display1
A01 INPUT1 Input value 1
A07 OUTPUT1 Output value 1
A08 OUTPUT2 Output value 2
A19 T1 Temporary memory 1
A20 T2 Temporary memory 2
A21 T3 Temporary memory 3
A22 T4 Temporary memory 4
A26 DO Digital output
A27 LOAD Load factor
A54 STATUS Status *1
A56 REV NO Rev. no.
A58 MENU REV MENU REV
A60 SELF CHK Self-check result
B DISPLAY2 Display2
B01 INPUT1 Input value 1
B07 OUTPUT1 Output value 1
B08 OUTPUT2 Output value 2
B19 T1 Temporary memory 1
B20 T2 Temporary memory 2
B21 T3 Temporary memory 3
B22 T4 Temporary memory 4
B26 DO Digital output
B28 LOAD Load factor
B60 SELF CHK Self-check result
D SET (I/O) Setting (I/O) *2
D01 TAG NO.1 Tag no. 1
D02 TAG NO.2 Tag no. 2
D03 COMMENT1 Comment 1
D04 COMMENT2 Comment 2
D12 INP TYPE Input type
D13 IN RESIST Input resistor
D32 INPUT1 L_RNG Input low range
D33 INPUT1 H_RNG Input high range
D32 OUT1 L_RNG Output-1 low range *4
D33 OUT1 H_RNG Output-1 high range *4
D34 OUT2 L_RNG Output-2 low range *4
D35 OUT2 H_RNG Output-2 high range *4
D45 PRGM SELECT Selection of program
D48 CYCLE TIME Computing period
D50 OUT1 DR Direction of output-1 action
D51 OUT2 DR Direction of output-2 action
D59 NMRR Frequency setting *4
D60 SELF CHK Self-check result
F SET(COM) Setting (communication) *2
F01 PROTOCOL Communication protocol
F02 ADDRESS Address
F03 BAUD RATE Baud rate
F04 PARITY Parity
F05 DATA LEN Data Length
F06 STOP BIT Stop bit
F07 INPUT DEC PT Decimal point position of input
F60 SELF CHK Self-check result
G PROGRAM Program of computing unit
G01 PROGRAM Program
⁞ ⁞ ⁞
G59 PROGRAM Program
G60 SELF CHK Self-check result
H CONST
Fixed constant of computing unit
H01 CONST Fixed constant
⁞ ⁞ ⁞
H59 CONST Fixed constant
H60 SELF CHK Self-check result
P ADJUST Adjustment *2
P04 IN1 ZERO ADJ Zero adjustment of input-1
P05 IN1 SPAN ADJ Span adjustment of input-1
P30 OUT1ZERO ADJ Zero adjustment of output-1
P31 OUT1SPAN ADJ Span adjustment of output-1
P32 OUT2ZERO ADJ Zero adjustment of output-2
P33 OUT2SPAN ADJ Span adjustment of output-2
P40 RESISTOR ADJ Adjustment of external input resistance
P60 SELF CHK Self-check result
Q TEST Test *2
Q04 OUT1 TEST Forced output (output-1)
Q05 OUT2 TEST Forced output (output-2)
Q14 RLY1 TEST Forced output (relay-1)
Q15 RLY2 TEST Forced output (relay-2)
Q60 SELF CHK Self-check result
*1 The Status is displayed for service personnel to see history
records.
*2 There are items not displayed depending on what output-2 is
specied.
*3 There are items not displayed depending on what the setting
of program selection is specied.
*4 The parameters are the items to be set at the factory.
5IM 77J01X07-01E 4th Edition Feb.20. 2017-00

8. MAINTENANCE
The product starts running immediately when the power is turned
on; however, it needs 10 to 15 minutes of warm-up before it
meets the specied performance.
For cleaning the instrument, use a soft and dry cloth.
8.1 Calibration Apparatus
• A voltage and current generator (YOKOGAWA GS200 or the
equivalent)
• Digital Multimeter (YOKOGAWA 7561 or equivalent): 1
• A precision resistor of 250 Ω ± 0.01%, 1 W (for current output)
• Setting tool for adjustment (Refer to “4.2 Connecting the
Setting Tools” in this manual.)
8.2 Calibration Procedure
1. Connect the instruments as shown in gure below. First adjust
the output-1 signal and then the output-2 signal.
1011
3 2 1
4
56
789
11
10
8
L+
N–
GND
Power supply
9
7
Analog output
Output-1 signal
DMM
R
R: For current output using 250 Ω
precision resistor
Voltage and
current
generator
+
–
5
2
Analog output
Output-2 signal
DMM
R
R: For current output using 250
Ω
precision resistor
+
–
Input signal
3
1
+
–
Analog input
R
R: Externally connected
for current input
Shunt resistor
(Externally connected
for current input)
2. Produce input signals equivalent to 0, 25, 50, 75, and 100%
of the input span from the voltage and current generator to the
isolator.
3. Then, check that the isolator’s output signal shows voltages
corresponding to 0, 25, 50, 75, and 100% of the input span
within the rated accuracy range.
For contact output, check the relay action by the relay indicator
lamp or resistance of output terminals.
• If the output signal is out of the rated accuracy range, adjust
the output signal level using PC (VJ77 PC-based Parameters
Setting Tool) or the Handy Terminal (JHT200).
For adjustment using a setting tool, refer to the User’s Manual for
each setting tool and “List of Parameters” in this manual.
User’s Manual for VJ77 [Document No.: IM 77J01J77-01E]
User’s Manual for JHT200 [Document No.: IM 77J50H01-01EN]
9. SAFETY AND EMC STANDARDS
The following will be acquired.
Safety:
IEC/EN 61010-1 compliance (CE), IEC/EN 61010-2-030
compliance (CE)
CAN/CSA C22.2 No.61010-1 compliance (CSA)
UL61010-1 (CSA NRTL/C)
Installation category II
Pollution degree 2
Measurement category O (other)
Rated measurement input voltage:
± 10 V DC max.
Rated transient overvoltage: 1500 V (*)
* This is a reference safety standard value for Measurement Category I of
CSA/UL61010-1 and Measurement Category O of EN 61010-2-030. This
value is not necessarily a guarantee of instrument performance.
CAUTION
This instrument is for Measurement Category O
(other). Do not use it for measurements in locations
falling under Measurement Categories II, III, and IV.
Internal Wiring
Outlet
Entrance
Cable
III T
O
II
IV
Measurement
category
Description Remarks
O (other) For measurements
performed on circuits not
directly connected to MAINS.
II CAT.II For measurements
performed on circuits directly
connected to the low-voltage
installation.
Appliances,
portable
equipments,
etc.
III CAT.III For measurements
performed in the building
installation.
Distribution
board, circuit
breaker, etc.
IV CAT.IV For measurements
performed at the source of
the low-voltage installation.
Overhead
wire, cable
systems, etc.
EMC standards:
• CE marking:
EN 61326-1 Class A, Table 2
EN 61326-2-3
* The instrument continues to operate at a measurement accuracy of within
±20% of the range during testing.
EN 55011 Class A Group 1
EN 61000-3-2 Class A
EN 61000-3-3
• EMC Regulatory Arrangement in Australia and New
Zealand (RCM):
EN 55011 Class A, Group 1
• KC marking:
Electromagnetic wave interference prevention standard,
electromagnetic wave protection standard compliance
CAUTION
Caution to comply with EMC standards: When
operating this instrument by external power supply,
use an independent power unit conforming to CE-
marking. Be sure to use the lightning arrester to
comply EMC standards.
However, if optional code /C0 or /FB is specied, the conformity
to the safety and EMC standards is excluded.
10. ENVIRONMENT STANDARD
RoHS Directive: EN 50581
(However, when option code /C0 or /FB is specied, CE mark-
ing is not applicable because the product does not comply
with the Safety and EMC standards.)
11. TRANSPORT AND STORAGE CONDITIONS
• Temperature: -25 to 70°C
• Temperature change rate: 20°C per hour or less
• Humidity: 5 to 95%RH (no condensation)
CAUTION
Keep this product in a conductive bag when plugged
out, during transport or storage.
6IM 77J01X07-01E 4th Edition Feb.20. 2017-00