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IM 04L51B01-02EN
Wiring to a GX90UT PID Control Module
Terminal Diagram
M3 screw terminal
Wiring direction
DI
AI
AO
DO
301/201/101
302/202/102
303/203/103
304/204/104
305/205/105
306/206/106
307/207/107
308/208/108
209/109
210/110
Analog Input
DC voltage input/DI (level)
DI (contact)
+
−
TC input
RTD input
+
−
B
b
A
DC current input
(with an external shunt
resistor)
+
−
* Be careful because the DI wiring is different between
level and contact.
Analog Output
DC current output, voltage pulse, 15 V DC loop power
supply
+
−
Terminal Diagram
Term.
No.
Symbol
Term.
No.
Symbol
Term.
No.
Symbol
301
DI3
201
DI2
101
DI1
302
DI6
202
DI5
102
DI4
303
DICOM
203
DI8
103
DI7
304
DO3
204
DO2
104
DO1
305
DO6
205
DO5
105
DO4
306
DO-COM
206
DO8
106
DO7
307
AI1(/A)
207
AI1(-/b)
107
AI1(+/B)
308
AI2(/A)
208
AI2(-/b)
108
AI2(+/B)
309
Not Used
209
AO1(-)
109
AO1(+)
310
Not Used
210
AO12-)
110
AO2(+)
* Empty terminals may not be used
DI1 to
DI18
DI-COM
Input type:
Photocoupler isolation
Shared common (DI-COM)
Allowable input voltage range:
0 to 10V
Internal circuit
Note: Do not apply voltage outside the allowable input
voltage range across input terminals. Doing so can cause
a malfunction.
Connecting to the FAIL Output/Status Output (/
FL option)
NC
C
NO
During normal
operation
When a failure
occurs
When power is
turned off
NO C NC
During normal
operation
NO C NC
When the specified
status occurs
NO C NC
NO C NC
NO C NC
NO C NC
When power is
turned off
FAIL
output
Status
output
Recommended torque for tightening the screws: 0.5N•m
Connecting to the Serial Communication
Interface (/C2 option)
5
4
3
2
1
9
8
7
6
DSUB 9-pin male
Screw: M26 X 0.45
2
RD (Received Data)
3
SD (Send Data)
5
SG (Signal Ground)
7
RS (Request to Send)
8
CS (Clear to Send)
Pins 1, 4, 6, and 9 are not used.
Connecting to the RS-422/485 Connector (/C3 option)
Two-wire system
Four-wire system
FG SG SDB+ SDA– RDB+ RDA–
FG SG SDB+ SDA– RDB+ RDA–
Electric potential
of the shield
Shield
FG SDB+
SG
SDA−
Electric potential
of the shield
Shield
FG SDB+
SG
SDA−
RDB+
RDA−
FG (Frame Ground)
Case ground of the GX/GP
SG (Signal Ground)
Signal ground
SDB+ (Send Data B+)
Send data B (+)
SDA− (Send Data A−)
Send data A (–)
RDB+ (Received Data B+) Receive data B (+)
RDA− (Received Data A−)
Receive data A (–)
Recommended torque for tightening the screws: 0.2N•m
Installation and Wiring
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