8 DeviceNet Base RTD and Thermocouple CompactBlock LDX I/O
Publication 1790-IN011C-EN-P - January 2015
Wire the Terminal Block
The following figures show how to wire the terminal blocks.
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
1790D-4T0 Thermocouple Module D-Shell Wiring
•
Wire pins 17, 18, 19 to Field Power (+) 24V DC
•
Wire pins 35, 36, 37 to Field Power (-) GND
1790D-T4RO RTD Input Module Terminal Block Wiring
•
Wire pin 1 to Field Power (+) 24V DC
•
Wire pin 2 to Field Power (-) GND
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
+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
NC
COM
COM
COM
COM
COM
COM
GND
NC
NC
COM
COM
COM
COM
COM
COM
+24V
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
+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
NC
NC
NC
NC
NC
NC
NC
GND
NC
NC
NC
NC
NC
NC
NC
NC
+24V
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