Proface AGP3500 - 10.4 DIO HMI" - Manual (Page 5)

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The RS-485/RS-422 type
The communication method is switched with a change switch.
Dsub 9-pin socket connector's pin assignments are as follows.
Unit’s Connector : XM3B-0942-132L
Recommended Connector : XM2A-0901
Recommended Cover : XM2S-0913
Jack Screw : XM2Z-0073
Stacking Metal Fittings require #4-40 inch screw.
*1 The VCC output for Pin #6 is not protected against overcurrent. To prevent damage or unit mal-
functions, use only the rated current.
RS422
RS485
. 3.2 RS-485 Isolation Unit
Signal
Name
Direction Meaning
1 T RMRX -
Termination
(Receive side:100
Ω)
2 - -
3 Input/Output Receive/Send DataA(+)
4 NC - No connection
5 SG - Signal Ground
6 VCC - +5V±5% output 0.05A
*1
7 - -
8 Input/Output Receive/Send DataB(-)
9 T RMTX -
Termination
(Send side:100
Ω)
Shell FG - Frame Ground
Pin Arrangement Pin #
RS-485
RDB/SDB
RDA/SDA
„ „ „ „ „ RS-485
5
1
9
6
„ „ „ „ „ RS-422
Signal
Name
Direction Meaning
1 T RMRX -
T ermination
(Receive side:100
Ω)
2 RDA Input Receive DataA(+)
3 SDA Output Send DataA(+)
4 NC - No connection
5 SG - Signal Ground
6 VCC - +5V±5% output 0.05A
*1
7 RDB Input Receive DataB(-)
8 SDB Output Send DataB(-)
9 T RMT X -
T ermination
(Send side:100
Ω)
Shell FG - Frame Ground
Pin Arrangement Pin #
RS-422
5
1
9
6