Wiring the terminal blocks – Rockwell Automation 1790P-4R0 CompactBlock LDX I/O RTD/Resistance Input Module  User Manual

Page 29

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Publication 1790-UM002A-EN-P

Installation and Wiring 2-17

Wiring the Terminal Blocks

The following figures show how to wire the terminal blocks.

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

+24V

NC

NC

NC

CH0_A

CH0_B

CH1_A

CH1_B

NC

NC

CH2_A

CH2_B

CH3_A

CH3-B

NC

NC

NC

GND

GND

+24V

+24V

GND

NC

NC

NC

COM

COM

COM

COM

COM

COM

COM

COM

COM

COM

COM

COM

1790D-4R0-RTD Input Module D-Shell Wiring

Wire pins 17, 18, 19 to Field Power (+) 24V dc

Wire pins 35, 36, 37 to Field Power (-) GND

43256

20

18

16

14

12

10

8

6

4

2

19

17

15

13

11

9

7

5

3

1

NC

NC

CH3_B

COM

CH0-B

NC

COM

CH2_B

CH1_B

GND

NC

COM

CH2_A

CH1_A

+24V

NC

NC

CH3_A

COM

CH0_A

1790D-T4R0 and 179P-T4R0 RTD Input Module D-Shell Wiring

43257

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