6
COM2
• Always connect close to the GP unit's COM port when terminating with the
termination pins (TRMRX/TRMTX).
Recommended Cable
Connector
XM2A-0901 <made by OMRON Corp.>
Recommended Jack Screw
XM2Z-0073 <made by OMRON Corp.>
Recommended Cable Cover XM2S-0913 <made by OMRON Corp.>
Fitting fastener
#4-40 (UNC)
Pin #
RS422/RS485
Signal Name
Meaning
1
TRMRX
Termination (Receiver side: 100
Ω
)
2
RDA
Receive Data A(+)
3
SDA
Send Data A(+)
4
RS(RTS)
Request for Send
5
SG
Signal Ground
6
VCC
+5V ±5% Output 0.25A
*1
*1 The VCC output for Pin #6 is not protected against overcurrent. To prevent damage or unit
malfunctions, use only the rated current.
7
RDB
Receive Data B(-)
8
SDB
Send Data B(-)
9
TRMTX
Termination (Receiver side: 100
Ω
)
Shell
FG
Frame Ground (Common with SG)
