Proface APL3000B - Node Box PC Manual de usuario Pagina 30

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Chapter 2 Specifications
2-9
Pin No.
RS-422
Signal Name Direction Description
1 RDA Input Receive Data A (+)
2 RDB Input Receive Data B (-)
3 SDA Output Send Data A (+)
4 NC - No Connection
5 GND - Signal Ground (SG)
6 NC - No Connection
7 SDB Output Send Data B (-)
8 NC - No Connection
9 NC - No Connection
Shell FG - Frame Ground (Common with SG)
Pin No.
RS-485
Signal Name Direction Description
1 DATA + Input / Output Send/Receive Data (+)
2 DATA - Input / Output Send/Receive Data (-)
3 NC - No Connection
4 NC - No Connection
5 GND - Signal Ground (SG)
6 NC - No Connection
7 NC - No Connection
8 NC - No Connection
9 NC - No Connection
Shell FG - Frame Ground (Common with SG)
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