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OP48H20 DB37F Pin Assignment

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OP48H20 DB37F Pin Assignment

Owned by Sylvain Ménard
Last updated: Aug 14, 2024
4 min read

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The following tables provide the general pin assignments for the OP48H20 DB37 connectors.

Detailed pin assignments for all connectors can be found in the System Description document provided with your order.

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

Digital Inputs

Din uses connector P1 and are numbered from DIN00 to DIN15.

image-20240221-191912.png

Connector P1 - Din channels 00 to 15

image-20240628-135555.png
OP48H20 DB37 P1 Din
pin assignment

DB37F Pin

Assignment

DB37F Pin

Assignment

1

+DIN00

20

GND_DIN†

2

+DIN01

21

GND_DIN

3

+DIN02

22

GND_DIN

4

+DIN03

23

GND_DIN

5

+DIN04

24

GND_DIN

6

+DIN05

25

GND_DIN

7

+DIN06

26

GND_DIN

8

+DIN07

27

GND_DIN

9

+DIN08

28

GND_DIN

10

+DIN09

29

GND_DIN

11

+DIN10

30

GND_DIN

12

+DIN11

31

GND_DIN

13

+DIN12

32

GND_DIN

14

+DIN13

33

GND_DIN

15

+DIN14

34

GND_DIN

16

+DIN15

35

GND_DIN

17

+12V_PROT*

36

GND

18

100 nF to pin 37

37

See pin 18

19

GND

 

 

* 12 V protected supply available to user. 1 A maximum current
† Isolated digital ground

Digital Outputs

Dout uses connector P2 and are numbered from DOUT00 to DOUT15.

 

Connector P2 - Dout channels 00 to 15

DB37F Pin

Assignment

DB37F Pin

Assignment

1

+DOUT00

20

GND_DOUT†

2

+DOUT01

21

GND_DOUT

3

+DOUT02

22

GND_DOUT

4

+DOUT03

23

GND_DOUT

5

+DOUT04

24

GND_DOUT

6

+DOUT05

25

GND_DOUT

7

+DOUT06

26

GND_DOUT

8

+DOUT07

27

GND_DOUT

9

+DOUT08

28

GND_DOUT

10

+DOUT09

29

GND_DOUT

11

+DOUT10

30

GND_DOUT

12

+DOUT11

31

GND_DOUT

13

+DOUT12

32

GND_DOUT

14

+DOUT13

33

GND_DOUT

15

+DOUT14

34

GND_DOUT

16

+DOUT15

35

GND_DOUT

17

12V_PROT*

36

GND

18

Vuser (in )‡

37

GND_DOUT

19

GND

 

 

* 12 V protected supply available to user. 1 A maximum current
† Isolated digital ground
‡ User-provided voltage supply for digital outputs. 5-30 V, referenced to GND_DOUT.

If no voltage is provided on pins 18-37, digital outputs will not work. The user can use its own voltage or alternatively feedback 12V_PROT into pins 18-37. This can be done using a loopback card (126-0361) or an external wiring harness. See knowledge base article AA-01025 - How to power the different DB37 boards for digital outputs for more details.

Analog Outputs

Aout on the OP48H20 module uses connector P3 and P4 (partially) and are numbered AOUT00 to AOUT23.

 

Connector P3 - Aout channels 00 to 15

 

 

Connector P4 - Aout channels 16 to 23

D37F Pin

Assignment Pin

DB37F Pin

Assignment Pin

D37F Pin

Assignment Pin

DB37F Pin

Assignment Pin

1

+AOUT00

20

GND

1

+AOUT16

20

GND

2

+AOUT01

21

GND

2

+AOUT17

21

GND

3

+AOUT02

22

GND

3

+AOUT18

22

GND

4

+AOUT03

23

GND

4

+AOUT19

23

GND

5

+AOUT04

24

GND

5

+AOUT20

24

GND

6

+AOUT05

25

GND

6

+AOUT21

25

GND

7

+AOUT06

26

GND

7

+AOUT22

26

GND

8

+AOUT07

27

GND

8

+AOUT23

27

GND

9

+AOUT08

28

GND

9

 

28

GND

10

+AOUT09

29

GND

10

 

29

GND

11

+AOUT10

30

GND

11

 

30

GND

12

+AOUT11

31

GND

12

 

31

GND

13

+AOUT12

32

GND

13

 

32

GND

14

+AOUT13

33

GND

14

 

33

GND

15

+AOUT14

34

GND

15

 

34

GND

16

+AOUT15

35

GND

16

 

35

GND

17

12V_PROT*

36

GND

17

12 V_PROT*

36

GND

18

100 nF to pin 37

37

See pin 18

18

100 nF to pin 37

37

See pin 18

19

GND

 

 

19

GND

 

 

* 12 V protected supply available to user. 1 A maximum current

Analog Inputs

Ain on the OP48H20 module uses connector P4 (partially) and are numbered AIN00 to AIN07.

Connector P4 - Ain channels 01 to 07

 

 

DB37F Pin

Assignment Pin

DB37F Pin

Assignment Pin

1

 

20

GND

2

 

21

GND

3

 

22

GND

4

 

23

GND

5

 

24

GND

6

 

25

GND

7

 

26

GND

8

 

27

GND

9

+AIN00

28

GND

10

+AIN01

29

GND

11

+AIN02

30

GND

12

+AIN03

31

GND

13

+AIN04

32

GND

14

+AIN05

33

GND

15

+AIN06

34

GND

16

+AIN07

35

GND

17

12V_PROT*

36

GND

18

100 nF to pin 37

37

See pin 18

19

GND

 

 

* 12 V protected supply available to user. 1 A maximum current

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