24-pin Molex connector pinout
Use the following table if you want to wire the meter’s serial communications without using the COM breakout cable.
|
Function |
Wire color / stripe |
Pin1 |
Wire color / stripe |
Function |
|
|---|---|---|---|---|---|
|
COM4 RS-485 Data + |
White / blue |
1 |
2 |
Blue / white |
COM4 RS-485 Data - |
|
N/A - do not use |
Black / blue |
3 |
4 |
Black |
COM1 RS-232 CTS |
|
COM1 RS-232 CD |
White |
5 |
6 |
Red |
COM1 RS-232 RXD |
|
COM1 RS-232 TXD |
Green |
7 |
8 |
Brown |
COM1 RS-232 DTR |
|
COM1 RS-232 RTS |
Blue |
9 |
10 |
Orange |
COM1 RS-232 ground |
|
COM1 RS-485 Data + |
Red / blue |
11 |
12 |
Blue / red |
COM1 RS-485 Data - |
|
RS-485 common shield |
Bare wire |
13 |
14 |
Black/orange, Black/green |
N/A - do not use |
| 1 Pins 15 to 24 are not used, and should be left disconnected. | |||||