Maple Systems HMI5000B Series Installation Manual page 11

HMI5000B Installation Guide
Pin#
1
2
3
4
5
6
7
8
9
Pin#
1
2
3
4
5
6
7
8
9
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 02
COM1 COM1
[RS-485 2 wire] [RS-485 4 wire]
Data- RX-
Data+ RX+
TX+
COM1
[RS-232]
TXD
RTS
CTS
RXD
DE9S
COM2
[RS-485 4 wire] [RS-485 2 wire]
RX-
RX+
TX-
TX+
GND
DE9P
COM1
[RS-232]
TX-
GND
TXD
RXD
HMI5040B
DE9P
COM2
[RS-485 4 wire] [RS-485 2 wire]
RX-
RX+
TX-
TX+
GND
HMI5070B
COM3
Pin#
1
2
3
4
5
6
Data-
7
8
Data+ 9
HMI5100B
COM3
[RS-485 2 wire]
Data-
Data+
COM2
Data-
Data+
DE9P
COM1 COM3
[RS-232] [RS-232]
RXD
TXD
GND
RTS TXD
RXD
CTS
GND
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