Serial Port Connections - Maple Systems HMI5043Lv2 Installation Manual

14

Serial Port Connections

The following diagrams indicate the proper pin connections for the serial
ports of the HMI.
Pin#
1
2
3
4
5
6
7
8
9
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.
1010-1018 Rev 13
Serial Port Pinouts
COM1
Pin#
[ RS -232] [ RS
1
2
3
4
5
6 TXD
7
8
9 RXD
HM I
DE9S
COM1 COM1
[ RS -485 2 wire] [ RS -485 4 wire]
DATA- RX -
DATA + RX +
TX-
TX+
GND COM ( 1)
HMI
DE9P
COM1 COM1
-485 4 wire] [ RS -485 2 wire]
RX- DATA-
RX+ DATA+
TX-
TX+
GND
5043Lv2, HM I 5043 LBv2
HM I 5043 DL
COM3
Pin#
[ RS -485 2 wire]
DATA -
DATA +
GND COM ( 3)
5070L, HMI 5070 LB
HMI5100L
HMI 512 0XL
HMI 5121 XL
HMI 5150 XL
HMI5000L Installation Guide
COM3
[ RS -485 2 wire]
DATA-
DATA+
DE9P
COM1
[ RS -232]
1
2 RXD
3 TXD
4
5 GND
6
7 RTS
8 CTS
9
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