Chapter 2 - Specifications
GP-37W3 Series User Manual
2-5
*1
#12 and #13 are RESERVED; do not connect to these pins.
2.3
Interface Specifications
2.3.1 Serial Interface
Recommended Connector: Dsub25pin plug XM2A-2501<made by OMRON>
Recommended Cover:
Dsub25pin cover XM2S-2511<made by OMRON>
Dsub25pin cover XM2S-2521<made by OMRON>
Jack Screws:
XM2Z-0071<made by OMRON>
Use rough metric type M2.6x0.45 p threads used to secure the cable’s set screws.
Recommended Cable: CO-MA-VV-SB5P
x
28AWG <made by HITACHI Cable Ltd.>
To confirm your PLC’s connection specifications
Pro-Designer On-line Help
Pin Arrangement
Pin #
Signal Name
Condition
1
FG
Frame ground
2
SD
Send data (RS-232C)
3
RD
Receive data (RS-232C)
SIO
4
RS
Request send (RS-232C)
5
CS
Clear send (RS-232C)
6
NC
No connection
7
SG
Signal ground
8
CD
Carrier detect (RS-232C)
9
TRMX
Termination (RS-422)
10
RDA
Receive data A (RS-422)
11
SDA
Send data A (RS-422)
12
*1
RESERVE Reserved
13
*1
RESERVE Reserved
14
VCC
5V±5% output 0.25A
15
SDB
Send data B (RS-422)
16
RDB
Receive data B (RS-422)
17
NC
No connection
18
CSB
Clear send B (RS-422)
19
ERB
Enable receive B (RS-422)
20
ER
Enable receive (RS-232C)
21
CSA
Clear send A (RS-422)
22
ERA
Enable receive A (RS-422)
23
BUZZ GND External buzzer ground
24
NC
No connection
25
BUZZ OUT External buzzer output
1
13
25
14