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HMI5000B Installation Guide
COM2
Pin#
[RS-485 2 wire]
1
Data-
2
Data+
3
4
5
6
7
8
9
Note: COM2 [RS-485 2W] and COM3 [RS-485 2W] support the
Siemens MPI 187.5K multi-point interface. However, only one COM
port can be used with the Siemens MPI interface at a time.
Note: COM1 RS232 RTS/CTS and COM3 RS232 cannot be used
simultaneously.
1010-1051 Rev 00
DE9S
COM2
[RS-485 4 wire]
[RS-485 2 wire]
RX-
RX+
TX-
TX+
GND
HMI5100BN
COM3
Pin#
1
2
3
4
5
6
Data-
7
8
Data+
9
DE9P
COM1
COM3
[RS-232]
[RS-232]
RXD
TXD
GND
RTS
TXD
RXD
CTS
GND
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