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The following tables provide the generic pin assignments for the OP4512’s DB37 and DB9 connectors.
More detailed information, tailored to specific firmware, can be found in the Integration documents provided with your order.

Before designing cables, OPAL-RT recommends using the guideline Simulator EMC cable recommendations.

DB37 Pin Assignments

DB37
pin

Channel pin assignment

DB37
pin

Channel pin assignment


1

+00

20

-00


DB37 Pin Assignments

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 400 mA

DB9 Pin Assignments

Refer to the OP5969-1 user manual for the DB9 connector pin assignment.

CANbus Pin Assignments

DB25F

Pin

CANbus Function


1

Ground to CAN driver #1

CANbus Pin Assignments

2

Ground to CAN driver #2

14

Ground to CAN driver #3

15

Ground to CAN driver #4

5, 6

CAN-L for CAN #1

18, 19

CAN-H for CAN #1

7, 8

CAN-L for CAN #2

20, 21

CAN-H for CAN #2

9, 10

CAN-L for CAN #3

22, 23

CAN-H for CAN #3

11, 12

CAN-L for CAN #4

24, 25

CAN-H for CAN #4

All other pins are not connected.

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