Proface AGP3500 - 10.4 DIO HMI" User Manual
Page 102
Chapter 4 Specifications
4-37
Serial Interface (COM2)
This interface is used to connect an RS422/RS485 serial cable. A D-sub 9-pin socket connector is used.
<GP unit side>
<Cable side>
•
Always connect close to the GP unit's COM port when terminating with the termination pins
(TRMRX/TRMTX).
GP Connector
XM3B-0942-502LX <OMRON Co.>
Interfit Bracket
#4-40(UNC)
Recommended Cable Connector
XM2A-0901 <OMRON Co.>
Recommended Cable Cover
XM2S-0913 <OMRON Co.>
Recommended Jack Screw
(#4-40 UNC)
XM2Z-0073 <OMRON Co.>
Pin
Arrangement
Pin No.
RS422/RS485
Signal Name
Direction
Meaning
1
TRMRX
-
Termination
(Receiver side: 100
Ω)
2
RDA
Input
Receive Data A(+)
3
SDA
Output
Send Data A(+)
4
RS(RTS)
Output
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 a unit malfunction, use only the rated current.
7
RDB
Input
Receive Data B(-)
8
SDB
Output
Send Data B(-)
9
TRMTX
-
Termination
(Receiver side: 100
Ω)
Shell
FG
-
Frame Ground
(Common with SG)
6
9
1
5
(GP unit side)