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OP4520 General Pin Assignments
- Sylvain Ménard
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The following tables provide the general pin assignments for the OP4520 connectors.
Detailed pin assignments for all connectors can be found in the System Description document provided with your order, or refer to the pin assignment of the OP5300 series IO module associated with each DB37F connector.
Before designing cables, OPAL-RT recommends using the guideline Simulator EMC cable recommendations.
DB37 Pin Assignments
Group A and B - P1 - Channels 0 to 15 | Group A and B - P2 - Channels 16 to 31 |  DB37 set of connectors  OP4520 General Pin Assignments
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DB37F Pin | Assignment | DB37F Pin | Assignment | DB37F Pin | Assignment | DB37F Pin | Assignment | |
1 | +CH00 Note 1 | 20 | -CH00 | 1 | +CH16 | 20 | -CH16 | |
2 | +CH01 | 21 | -CH01 | 2 | +CH17 | 21 | -CH17 | |
3 | +CH02 | 22 | -CH02 | 3 | +CH08 | 22 | -CH18 | |
4 | +CH03 | 23 | -CH03 | 4 | +CH19 | 23 | -CH19 | |
5 | +CH04 | 24 | -CH04 | 5 | +CH20 | 24 | -CH20 | |
6 | +CH05 | 25 | -CH05 | 6 | +CH21 | 25 | -CH21 | |
7 | +CH06 | 26 | -CH06 | 7 | +CH22 | 26 | -CH22 | |
8 | +CH07 | 27 | -CH07 | 8 | +CH23 | 27 | -CH23 | |
9 | +CH08 | 28 | -CH08 | 9 | +CH24 | 28 | -CH24 | |
10 | +CH09 | 29 | -CH09 | 10 | +CH25 | 29 | -CH25 | |
11 | +CH10 | 30 | -CH10 | 11 | +CH26 | 30 | -CH26 | |
12 | +CH11 | 31 | -CH11 | 12 | +CH27 | 31 | -CH27 | |
13 | +CH12 | 32 | -CH12 | 13 | +CH28 | 32 | -CH28 | |
14 | +CH13 | 33 | -CH13 | 14 | +CH29 | 33 | -CH29 | |
15 | +CH14 | 34 | -CH14 | 15 | +CH30 | 34 | -CH30 | |
16 | +CH15 | 35 | -CH15 | 16 | +CH31 | 35 | -CH31 | |
17 | +12 V Note 2 | 36 | Ground | 17 | +12 V Note 2 | 36 | Ground | |
18 | See note 1 | 37 | See note 1 | 18 | See note 1 | 37 | See note 1 | |
19 | Ground |
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| 19 | Ground |
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Note 1: For exact pin assignment, see the System Description document provided with your order, or refer to the pin assignment of the OP5300 series IO module associated with each DB37F connector.
Note 2: 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 |
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