The following tables provide the generic pin assignments for the OP4520’s DB37 and DB9 connectors. More detailed information, tailored to specific firmware, can be found in the Integration documents provided with your order.
DB37 PIN ASSIGNMENTS
DB37 pin | Channel pin assignment | DB37 | Channel pin assignment | |
1 | +00 | 20 | -00 | |
2 | +01 | 21 | -01 | |
3 | +02 | 22 | -02 | |
4 | +03 | 23 | -03 | |
5 | +04 | 24 | -04 | |
6 | +05 | 25 | -05 | |
7 | +06 | 26 | -06 | |
8 | +07 | 27 | -07 | |
9 | +08 | 28 | -08 | |
10 | +09 | 29 | -09 | |
11 | +10 | 30 | -10 | |
12 | +11 | 31 | -11 | |
13 | +12 | 32 | -12 | |
14 | +13 | 33 | -13 | |
15 | +14 | 34 | -14 | |
16 | +15 | 35 | -15 | |
17 | +12V* | 36 | DGND | |
18 | Vuser | 37 | Vrtn | |
19 |
* Non-isolated, limited to 400mA
DB9 PIN ASSIGNMENTS
DB9F Pin | RS422 OUT CH 00-02 | DB9F Pin | RS422 IN CH00-02 | |
1 | TX0+ | 1 | RX0+ | |
2 | TX1+ | 2 | RX1+ | |
3 | TX2+ | 3 | RX2+ | |
4 | N.C | 4 | N.C | |
5 | +12V limited * | 5 | +12V limited * | |
6 | TX0- | 6 | RX0- | |
7 | TX1- | 7 | RX1- | |
8 | TX2- | 8 | RX2- | |
9 | DGND | 9 | DGND | |
DB9F Pin | RS422 OUT CH 03-05 | DB9F Pin | RS422 IN CH03-05 | |
1 | TX3+ | 1 | RX3+ | |
2 | TX4+ | 2 | RX4+ | |
3 | TX5+ | 3 | RX5+ | |
4 | N.C | 4 | N.C | |
5 | +12V limited * | 5 | +12V limited * | |
6 | TX3- | 6 | RX3- | |
7 | TX4- | 7 | RX4- | |
8 | TX5- | 8 | RX5- | |
9 | DGND | 9 | DGND |