Maple Systems HMI5043L - Serial Port Pinout Diagrams

14 HMI5000L Installation Guide
1010-1018 Rev 10 www.maplesystems.com
Serial Port Connections
The following diagrams indicate the proper pin connections for the serial
ports of the HMI.
Serial Port Pinouts
DE9P
HMI5043L, HMI5043LB
HMI5043DL
Pin#
COM1
[RS-232]
COM1
[RS-485 4 wire]
COM1
[RS-485 2 wire]
COM3
[RS-485 2 wire]
1 RX- DATA-
2 RX+ DATA+
3 TX-
4 TX+
5
GND
6 TXD
7 DATA-
8 DATA+
9 RXD
HMI5121XL
HMI5150XL
DE9S
DE9P
Pin#
COM1
[RS-485 2 wire]
COM1
[RS-485 4 wire]
COM3
[RS-485 2 wire]
1 DATA- RX-
2 DATA+ RX+
3 TX-
4 TX+
5 GND (COM1)
6
7 DATA-
8 DATA+
9 GND (COM3)
Pin#
COM1
[RS-232]
1
2 RXD
3 TXD
4
5 GND
6
7 RTS
8 CTS
9
HMI5100L
HMI5070L, HMI5070LB
Note: COM1 [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.