HMI5000L Installation Guide 13
1010-1018 Rev 06 www.maplesystems.com
Serial Port Connections
The following diagrams indicate the proper pin connections for the serial
ports of the HMI5000L Series.
Serial Port Pinouts
Pin#
COM1
[RS-232]
COM1
[RS-485 4 wire]
COM1
[RS-485 2 wire]
COM3
[RS-485 2 wire]
1
RX-
TX/RX-
2
RX+
TX/RX+
3
TX-
4
TX+
5
GND
6
TXD
7
TX/RX-
8
TX/RX+
9
RXD
DE9P
HMI5043L, HMI5043LB
HMI5121XL
HMI5150XL
DE9S
DE9P
Pin#
COM1
[RS-485 2 wire]
COM1
[RS-485 4 wire]
COM3
[RS-485 2 wire]
1
TX/RX-
RX-
2
TX/RX+
RX+
3
TX-
4
TX+
5
GND (COM1)
6
7
TX/RX-
8
TX/RX+
9
GND (COM3)
Pin#
COM1
[RS-232]
1
2
RXD
3
TXD
4
5
GND
6
7
RTS
8
CTS
9
HMI5100L
HMI5070L, HMI5070LB
