Rockwell Automation 1790-XXXX CompactBlock LDX I/O DeviceNet RTD and Thermocouple - Manual (Page 8)

8
Publication 1790-IN011B-EN-P - April 2003
Wire the Terminal Blocks
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 (+) 24Vdc
Wire pins 35, 36, 37 to Field Power (-) GND
1790D-4T0 Thermocouple Module D-Shell Wiring
• Wire pins 17, 18, 19 to Field Power (+) 24Vdc
Wire pins 35, 36, 37 to Field Power (-) GND
1790D-T4RO RTD Input Module Terminal Block Wiring
• Wire pin 1 to Field Power (+) 24Vdc
Wire pin 2 to Field Power (-) GND
1790D-T4T0 Thermocouple Input Module Terminal Block Wiring
• Wire pin 1 to Field Power (+) 24Vdc
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
20 18 16 14 12 10 8 6 4 2
19 17 15 13 11 9 7 5 3 1
NC NC CH3_B NC CH0_B
NC NC CH2_B CH1_B GND
NC NC CH2_A CH1_A +24V
NC NC CH3_A NC CH0_A