M-system R7ML-LC2 User manual

R7ML-LC2
EM-7805-AX
P. 1 / 10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
STRAIN GAUGE INPUT MODULE
(MECHATROLINK-I/ -II, with monitor output, 2 points, isolated) MODEL R7ML-LC2
INSTRUCTION MANUAL
BEFORE USE ....
Thank you for choosing M-System. Before use, please check
contents of the package you received as outlined below.
If you have any problems or questions with the product,
please contact M-System’s Sales Office or representatives.
■PACKAGE INCLUDES:
Strain gauge input module .......................................... (1)
■MODEL NO.
Confirm that the model number described on the product is
exactly what you ordered.
■INSTRUCTION MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection and
basic maintenance procedures.
POINTS OF CAUTION
■CONFORMITY WITH EU DIRECTIVE
•UseMECHATROLINK-IInetworkcablewithcore(Yasu-
kawa Controls Model JEPEC-W6003-x-E) or equivalent
for the network.
•BesuretoearthFGterminal.
•Theactualinstallationenvironmentssuchaspanelcon-
figurations, connected devices and connected wires may
affect the protection level of this unit when it is integrated
inapanelsystem.Theuser mayhavetoreviewtheCE
requirements in regard to the whole system and employ
additionalprotectivemeasurestoensureCEconformity.
■POWER INPUT RATING & OPERATIONAL RANGE
•Locatethepowerinputratingmarkedontheproductand
confirm its operational range as indicated below:
 24VDCrating:24V±10%,approx.130mA
■GENERAL PRECAUTIONS
•Beforeyouremovetheunitormountit,turnoffthepower
supply and input signal for safety.
■ENVIRONMENT
•Indooruse
•Whenheavydustormetalparticlesarepresentintheair,
install the unit inside proper housing with sufficient ven-
tilation.
•Donotinstalltheunitwhereitissubjectedtocontinuous
vibration.Donotsubjecttheunittophysicalimpact.
•Environmentaltemperaturemustbewithin0to55°C(32
to131°F)withrelativehumiditywithin30to90%RHin
order to ensure adequate life span and operation.
■WIRING
•Do not install cables close to noise sources (relay drive
cable, high frequency line, etc.).
•Do not bind these cables together with those in which
noises are present. Do not install them in the same duct.
■AND ....
•Theunitisdesignedtofunctionassoonaspowerissup-
plied, however, a warm up for 10 minutes is required for
satisfying complete performance described in the data
sheet.

R7ML-LC2
EM-7805-AX
P. 2 / 10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
COMPONENT IDENTIFICATION
5
4
3
2
1
0
9
8
7
6
ERR RD
RUN SD
PWR X10 X1
STATION ADD. B. RATE
CNFG.
12345678
0123456789ABCDEF
4567
123
10 11 12 13
2341
15 16 17 18
7896
14
5
MECHATROLINK Setting Rotary SW
MECHATROLINK
Connector
Station Address Setting
Rotary SW
Status Indicator LED
Operating Mode Setting DIP SW (SW1)
PC Configurator Jack
Input Status Indicator LED
Power Supply Terminals
MECHATROLINK Connector
I/O Terminals
■LEFT SIDE VIEW
■FRONT VIEW
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7

R7ML-LC2
EM-7805-AX
P.3/10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
■STATUS INDICATOR LED
LED COLOR EXPLANATION
PWR Green Turnsonwhentheinternal5Vissupplied
normally.
RUN Green Turns on in normal communications condi-
tions.
ERR Red Turns on in no communication or setting
error.
SD Green Turns on when the module is transmitting.
RD Green Turns on when the module is receiving.
■STATION ADDRESS
StationAddressisselectedbetween60Hand7FH(Intel-
ligent I/O) in hexadecimal. (Certain numbers may not be
selectabledependingonthemastertypes.Refertothe
instruction manual of the master unit.)
The left switch determines the MSD, while the right switch
doestheLSDoftheaddress.
(Factorysetting:60H)
Station Address Setting (LSD)
Station Address Setting (MSD)
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
■MECHATROLINK MODE
ChooseMECHATROLINK-Ior-II,andthedatasize.Posi-
tions2,4through9areunused.
(Factorysetting:1)
5
4
3
2
1
0
9
8
7
6
MECHATROLINK Setting
0 : MECHATROLINK-II (32-byte mode)
1 : MECHATROLINK-II (17-byte mode)
3 : MECHATROLINK-I (17-byte mode)
■EXTENSION MODULE
Combinations with any extension module is selectable.
■OPERATING MODE
• Extension (SW1-1, 1-2)
SW1-1 SW1-2 Extension
OFF OFF Noextension(*)
ON OFF Discreteinput,8or16points
OFF ON Discreteoutput,8or16points
• Lowpass Filter (SW-1.3)
SW1-3 Lowpass lter
OFF 2kHz(/F2K)/1Hz(/F1)(*)
ON 2Hz
• Averaging (SW1-4, 1-5, 1-6, 1-7)
SW1-4 SW1-5 SW1-6 SW1-7 Averaging
OFF OFF OFF OFF 2samples(*)
ON OFF OFF OFF 4 samples
OFF ON OFF OFF 8 samples
ON ON OFF OFF 16samples
OFF OFF ON OFF 32samples
ON OFF ON OFF 64samples
OFF ON ON OFF 128 samples
ON ON ON OFF 256samples
OFF OFF OFF ON 512samples
ON OFF OFF ON 1024 samples
• Excitation Voltage (SW1-8)
SW1-8 Excitation Voltage
OFF 5V(*)
ON 2.5V
■INPUT STATUS INDICATOR LED
EachinputstatusindicatorLEDturnsONwhen:
0: Input0 automaticzerocorrectionisset
1: Input0 zeroadjustmentisset
2: Input0 spanadjustmentisset
3: Input0 monitoroutputmodeisset
4 : Input 0 reset offset is set
5: Input0 underowisdetected
6: Input0 normalinputisreceived
7: Input0 overowisdetected
8: Input1 automaticzerocorrectionisset
9: Input1 zeroadjustmentisset
A: Input1 spanadjustmentisset
B : Input 1 monitor output mode is set
C : Input 1 reset offset is set
D:Input1 underowisdetected
E: Input1 normalinputisreceived
F: Input1 overowisdetected
■I/O TERMINAL ASSIGNMENT
14
56
15 16 17 18
789
10
12
11 12 13
34
V0
C0
-
EXC1
+EXC1 +IN1 NC V1
-
IN1 SLD1
NC
NC
-
EXC0
+EXC0 +IN0 NC
-
IN0 SLD0 C1
NO. ID FUNCTION NO. ID FUNCTION
1NC Noconnection 10 NC Noconnection
2-EXC0 Excitation0- 11
+EXC0 Excitation0+
3 -IN0 Input 0- 12 +IN0 Input 0+
4SLD0 Shield 0 13 NC Noconnection
5C0
Voltage output 0- 14 V0 Voltage output 0+
6 -EXC1 Excitation1- 15
+EXC1 Excitation1+
7 -IN1 Input 1- 16 +IN1 Input 1+
8SLD1 Shield 1 17 NC Noconnection
9C1
Voltage output 1- 18 V1 Voltage output 1+
■PC CONFIGURATOR
The PC Configurator is used to set the following parameters
for each channel.
•Autozero
•Zeroadjustment
•Spanadjustment
•Monitoroutputmodesetting
•Clearoffset

R7ML-LC2
EM-7805-AX
P. 4 / 10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
CONNECTION DIAGRAM
Connect the unit as in the diagram below.
Note:InordertoimproveEMCperformance,bondtheFGterminaltoground.
Caution:FGterminalisNOTaprotectiveconductorterminal.
12
4
3
2
14
15
5
13
6
7
8
16
18
9
11
6
7
24V DC
0V
3FG
SLD0
INPUT 0
EXCITATION 0
V0
C0
C1
V1
Strain Gauge
INPUT 0
OUTPUT 0
SLD1
INPUT 1
EXCITATION 1
INPUT 1
OUTPUT 1
*
MECHATROLINK
CONNECTOR
MECHATROLINK
CONNECTOR
*
* MECHATROLINK connectors are internally connected.
The network cable can be connected to either one.
Strain Gauge
+EXC0
+IN0
-IN0
-EXC0
+IN1
-IN1
+EXC1
-EXC1
EXTENSION CONNECTOR
EXTERNAL DIMENSIONS unit: mm (inch)
4567
123
10 11 12 13
2341
15 16 17 18
789 6
14
5
30 (1.18) [5 (.20)]
3
(.12)
5.5 (.22)
DIN RAIL
35mm wide
54 (2.13)
17 (.66)
50 (1.97) 18.5 (.73)
115 (4.53)3 (.12)
7–M3 SCREW
TERMINALS for POWER
18–M3 SCREW
TERMINALS for I/O
6 (.24) 6 (.24)
75 (2.95)

R7ML-LC2
EM-7805-AX
P.5/10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
WIRING INSTRUCTIONS
■SCREW TERMINAL
Torque:0.5N·m
■SOLDERLESS TERMINAL mm (inch)
Refer to the drawing below for recommended ring tongue
terminalsize.Spadetonguetypeisalsoapplicable.Solder-
less terminal:
Applicablewiresize:0.25to1.65mm2(AWG22to16)
Recommended manufacturer: Japan Solderless Terminal
MFG.Co.,Ltd,NichifuCo.,Ltd
6 (.24) max
3.3 (.13) max
mm (inch)
MECHATROLINK CONNECTION
■MECHATROLINK CONNECTION
SRD +
SRD –
SLD
Master
termi-
nator
termi-
nator
* Terminator
Be sure to connect the terminating resistors to the unit at both ends of transmission line.
Use the terminating resistor dedicated for MECHATROLINK: Model JEPMC-W6022, Yaskawa Controls Co., Ltd.
Certain types of Master units may have incorporated terminating resistors. Consult the instruction manual for the Master.
SRD +
SRD –
SLD
SRD +
SRD –
SLD
Slave
SRD +
SRD –
SLD
SRD +
SRD –
SLD
Slave
SRD +
SRD –
SLD
MECHATROLINK
Cable
MECHATROLINK
Cable
* *
MECHATROLINK COMMUNICATION
■MECHATROLINK-I
Baud rate: 4 Mbps
Transmission distance:50mmax.
Distance between stations:30cmmin.
Transmission media:MECHATROLINKcable(ModelJEPMC-W6003-x-E,YaskawaControlsCo.,Ltd.)
Max. number of slaves:15(Themaximumnumberofslavesmightchangedependingonthemasterunit.Refertothe
manual of the master unit)
Transmission cycle: 2 msec. (fixed)
Data length:17byte
■MECHATROLINK-II
Baud rate: 10 Mbps
Transmission distance:50mmax.
Distance between stations:50cmmin.
Transmission media:MECHATROLINKcable(ModelJEPMC-W6003-x-E,YaskawaControlsCo.,Ltd.)
Max. number of slaves:30(Themaximumnumberofslavesmightchangedependingonthemasterunit.Refertothe
manual of the master unit)
Transmission cycle:0.5msec.,1msec.,1.5msec.,2msec.,4msec.,8msec.
Data length:17bytes/32bytesselectable(Mustchooseidenticaldatasizeforallstationsononenetwork)

R7ML-LC2
EM-7805-AX
P.6/10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
MECHATROLINK RELATED COMMANDS
Relatedcommandsareasfollows.
CommandofMECHATROLINKhasatwo-layerstructure,whichiscomposedofDataLinkLayer(upperlayer)and
ApplicationLayer(lowerlayer).AlltheApplicationLayerCommandsarelocatedinlowerlayerofDataLinkLayer(CDRW).
COMMAND NAME COMMAND (hexadecimal) DESCRIPTION
DataLinkLayerCommand MDS 04H Product type reading
CDRW 03H Data transmission
ApplicationLayerCommand NOP 00H Invalid
ID_RD 03H Product information reading
CONNECT 0EH Communication start with master
DISCONNECT 0FH Communication stop with master
DATA_RWA 50H I/O data update
■DATA LINK LAYER COMMAND
• MDS (04H) Command Data Format
Readsproducttype
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
004H 90H Product type reading
100H 00H Reserved
200H 80H Intelligent I/O
3–31 00H 00H 3–17bytesat17bytesmode
• CDRW (03H) Command Data Format
DatatransmissioncommandislocatedinupperlayerofApplicationLayerCommand.
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
003H 90H Data transmission
1 CMD RCMD CMD:ApplicationLayercommand
RCMD:Response(SamevalueasApplicationLayerCommand)
200H ALARM Errorcode(Refertothefollowingtable)
3 00H STATUS1
Transmissionstatus(Refertothefollowingtable)
40H STATUS2 Reserved
5–31 XX YY DependupontheApplicationLayerCommand
• ALARM
Communication error codes at the slave are sent to the master
ERROR CODE (hexadecimal) DESCRIPTION CLASSIFICATION
00H MECHATROLINKcommunicationisinnormalstatus ----
01H Unsupportedcommandisreceived. Warning
02H Command execution conditions are not met. Warning
03H Data in the command is not correct. Warning
04H SynchronizationError Error
• STATUS1
ThestatusoftheslaveissenttothemasterinaccordancewiththeclassicationoftheerrorcodesatALARM.
Bit DEFINITION DESCRIPTION
0ErrorBit 1:Error,0:Normal
1WarningBit 1:Warning,0:Normal
2CommandReadyBit
1 : Command can be accepted (ready), 0 : Command cannot be accepted (busy)
3–7 Unused ----

R7ML-LC2
EM-7805-AX
P.7/10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
■ APPLICATION LAYER COMMAND
ApplicationLayerCommandislocatedinlowerlayerofDataLinkLayerCommand(CDRW).Followingtablesaredetails
onbytes5through31dependentuponApplicationLayerCommand.
Note:At17bytesmode,bytesdependantuponApplicationLayerCommandaretobe5through17.
• NOP (00H) Command Data Format
0, which indicates invalid command, is sent to the master
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5–31 00H 00H Invalid
• ID_RD (03) Command Data Format
Readsproductinformation.(max.8bytesatatime)Repeatreadingmultipletimesinordertoreadoutallthedata.
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5 DEVICE_CODE DEVICE_CODE DEVICE_CODE:Selectionofproductinformation
00:Productmodel(datalength:32bytes)
02:Productversion(datalength:32bytes)
0F:Vendorcode(datalength:48bytes)
6 OFFSET OFFSET
OFFSET:Specifyreadposition
7 SIZE SIZE SIZE:Specifylengthofreaddata(max.8bytes)
8–15 00H ID Product information data
16–31
00H 00H Unused
• CONNECT (0EH) Command Data Format
Starts communication with the master
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5 VER VER MODE:SelectionofMECHATROLINKversion
10:MECHATROLINK-I
21:MECHATROLINK-II
6 COM_MODE COM_MODE COM_MODE:Selectionofdatalength
00:17bytesmode
80:32bytesmode
7 COM_TIME COM_TIME COM_TIME:Communicationcycle(milliseconds)
MECHATROLINK-I:Multiplesoftwo(2)
MECHATROLINK-II:Integralmultiplesofthetransmis-
sion cycle
8–31 00H 00H Unused
• DISCONNECT (0FH) Command Data Format
Stops communication with the master .
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5–31 00H 00H Unused
• DATA_RWA (50H) Command Data Format
Transmits I/O data from/to the master. Data allocation is as follows.
•DiscreteInputUnit
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5 00H Discrete input data low 8 bit
6 00H Discrete input data high 8 bit
7–12 00H 00H Unused
13 Discrete output data of extension
module low 8 bit
Discrete input data of extension module low 8
bit or echo back of set value at command area
14 Discrete output data of extension
module high 8 bit
Discrete input data of extension module high 8
bit or echo back of set value at command area
"0"forEA8andEC8x
15–31 00H 00H Unused

R7ML-LC2
EM-7805-AX
P. 8 / 10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
•DiscreteOutputUnit
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5Discrete output data low 8 bit Echobackofsetvalueatcommandarea
6Discrete output data high 8 bit Echobackofsetvalueatcommandarea
7–12 00H 00H Unused
13 Discrete output data of extension
module low 8 bit
Discrete input data of extension module low 8
bit or echo back of set value at command area
14 Discrete output data of extension
module high 8 bit
Discrete input data of extension module high 8
bit or echo back of set value at command area
"0"forEA8andEC8x
15–31 00H 00H Unused
•Analog4-pointInputUnit
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5 00H Input 0 low 8 bit
6 00H Input 0 high 8 bit
7 00H Input 1 low 8 bit
800H Input 1 high 8 bit
900H Input 2 low 8 bit
10
00H Input 2 high 8 bit
11
00H Input3low8bit
12
00H Input3high8bit
13
Discrete output data of extension
module low 8 bit
Discrete input data of extension module low 8
bit or echo back of set value at command area
14
Discrete output data of extension
module high 8 bit
Discrete input data of extension module high 8
bit or echo back of set value at command area
"0"forEA8andEC8x
15
00H Status low 8 bit See I/O data status
16
00H Status high 8 bit See I/O data status
17–31 00H 00H Unused
•Analog2-pointOutputUnit
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5Output 0 low 8 bit Echobackofsetvalueatcommandarea
6Output 0 high 8 bit Echobackofsetvalueatcommandarea
7Output 1 low 8 bit Echobackofsetvalueatcommandarea
8Output 1 high 8 bit Echobackofsetvalueatcommandarea
9
–12
00H 00H Unused
13
Discrete output data of extension
module low 8 bit
Discrete input data of extension module low 8
bit or echo back of set value at command area
14
Discrete output data of extension
module high 8 bit
Discrete input data of extension module high 8
bit or echo back of set value at command area
"0"forEA8andEC8x
15–31 00H 00H Unused

R7ML-LC2
EM-7805-AX
P.9/10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
•LC2
Byte COMMAND (hexadecimal) RESPONSE (hexadecimal) REMARKS
5Input 0 set data low 8 bit Input 0 low 8 bit or echo back of set value at
command area
6Input 0 set data high 8 bit Input 0 high 8 bit or echo back of set value at
command area
7Input 1 set data low 8 bit Input 1 low 8 bit or echo back of set value at
command area
8Input 1 set data high 8 bit Input 1 high 8 bit or echo back of set value at
command area
9Command low 8 bit Command display low 8 bit or echo back of set
value at command area
10
Command high 8 bit Command display high 8 bit or echo back of set
value at command area
11, 12
00H 00H Unused
13
Discrete output data of extension
module low 8 bit
Discrete input data of extension module low 8
bit or echo back of set value at command area
14
Discrete output data of extension
module high 8 bit
Discrete input data of extension module high 8
bit or echo back of set value at command area
"0"forEA8andEC8x
15
00H Status low 8 bit See I/O data status
16
00H Status high 8 bit See I/O data status
17–31 00H 00H Unused
I/O DATA DESCRIPTION
■ANALOG INPUT
0 15
16-bit binary data
Negative values represented in 2’s complements
■ ANALOG I/O
■LC2 COMMAND DETAILS
0 15
■ LC2 COMMAND DETAILS
Input 0 Automatic zero correction
Input 0 Zero adjustment
Input 0 Span adjustment
Input 0 Mode setting
Input 0 Reset offset
Input 1 Automatic zero correction
Input 1 Zero adjustment
Input 1 Span adjustment
Input 1 Mode setting
Input 1 Reset offset
Input 1 Below range
Input 1 Within range
Input 1 Over range
Input 0 Below range
Input 0 Within range
Input 0 Over range

R7ML-LC2
EM-7805-AX
P. 10 / 10
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: [phone] Fax: [phone] E-mail: [e-mail]
■AUTOMATIC ZERO CORRECTION
Settheoffsetinputvalue.PerformautomaticzerocorrectionsettingafterZero/Spanadjustments.
The procedures are as follows.
 1)Applydesiredoffsetinputvaluetothesensor.
 2)Set“1”toAutomaticzerocorrectionbit.Whentheoffsetiscompleted,LED0forInput0orLED8forInput1turnson.
 3)AftercheckingtheLED,set“0”toAutomaticzerocorrectionbit.
■ZERO ADJUSTMENT
Adjustinputzeropoint.Theproceduresareasfollows.
 1)Apply0%loadtothesensor.
 2)Set“1”toZeroadjustmentbit.Whentheadjustmentiscompleted,LED1forInput0orLED9forInput1turnson.
 3)AftercheckingtheLED,set“0”toZeroadjustmentbit.
■ SPAN ADJUSTMENT (with actual load)
Adjustinputspanpointwiththeactualload.Theproceduresareasfollows.
 1)Applyactual100%loadtothesensor.
 2)Set“1”toSpanadjustmentbit.Whentheadjustmentiscompleted,LED2forInput0orLED10forInput1turnson.
 3)AftercheckingtheLED,set“0”toSpanadjustmentbit.
■LOAD COEFFICIENT
AdjustinputSpanpointbysettingloadcoefcientwithoutapplying100%actualload.Thefollowingsareanexampleof
adjustmentwith20%load.
 1)Apply20%loadoftheactualloadtothesensor.
2) Set 2000 (decimal) to Input set data area.
 3)Set“1”toSpanadjustmentbit.Whentheadjustmentiscompleted,LED2forInput0orLED10forInput1turnson.
 4)AftercheckingtheLED,set“0”toSpanadjustmentbit.
■MODE SETTING
Select measuring mode or monitor output mode.
•Measuringmode
Set “0” to Mode setting bit to enter measuring mode. In measuring mode, monitor output is linked with input data.
•Monitoroutputmode
Set “1” to Mode setting bit to enter monitor output mode. In monitor output mode, values at set data area of each input
are outputted. Set values at set data area are displayed in Input data area and inputs are disabled. The followings are
setting procedures of 20% monitor output for Input 1.
1) Set 2000 (decimal) to Input 1 set data area.
 2)Set“1”toModesettingbit.Whenthesettingiscompleted,LED7turnsonand20%ofInput1isoutputtedfrommoni-
tor output terminal .
 3)Aftercheckingtheoutput,set“0”toModesettingbittoreturntomeasuringmode.
■RESET OFFSET
ResettheoffsetvaluesetbyAutomaticzerocorrectiontozero.Theproceduresareasfollows.
 1)Set“1”toResetoffsetbit.Whentheresetiscompleted,LED4forInput0orLED12forInput1turnson.
 2)AftercheckingtheLED,set“0”toResetoffsetbit.
■ INPUT BELOW RANGE (Input only)
“1” is to be set when input is -1.0% or less.
■ INPUT WITHIN RANGE (Input only)
“1” is to be set when input is within the range between -1.0% and 101.0%.
■ INPUT OVER RANGE (Input only)
“1” is to be set when input is 101.0% or more.