Supmeter BST100-E81 - Page 14

13
No. Pin Description
COM1/2 COM1/COM2 Digital Communication Port
COM2
[Wiring Terminal]
RS232 Digital Communication Port
1
2
3
4
5
6 GND Signal Ground / Shield Ground.
7 RXD Receive Data.
8 TXD Transmit Data.
9 +5V +5V/100mA Output.
COM1
RS232/RS485/RS422/Profibus-DP/Ethernet Digital Communication Port
[It's optional to configure one of them]
Wiring Terminal RS232 RS485 RS422
1 B- TXD-
2 RXD A+ TXD+
3 TXD RXD+
4 RXD-
5 GND GND GND
6
7
8
9
Profibus-DP
[DB9 Socket]
Profibus-DP
1 DP- [B-] Data -.
3 DP+ [A+] Data +.
RJ45[DCE] Socket
Ethernet
[T568B Wiring Mode]
1 RXD+ Orange-white
2 RXD- Orange
3 TXD+ Green-white
4
Unused
Blue
5 Unused Blue-white
6 TXD- Green
7 Unused Brown-white
8 Unused Brown