Allen-Bradley 1790-T0A8X, Installation Instructions Manual, Page: 11 / 20

Digital Expansion Terminal Block CompactBlock LDX I/O 11
Publication 1790-IN005C-EN-P - January 2015
1790-T0B16X Output Expansion Block Wiring Diagram
•
Sourcing outputs
– wire VDC0 (pin 9) and VDC1 (pin 11) to Field Power (+)
24V DC, wire GND0 (pin 10) and GND1 (pin 12) to Field Power (-) GND.
1790-T0V16X Output Expansion Block Wiring Diagram
• Sinking outputs – wire VDC0 (pin 9) and VDC1 (pin 11) to Field Power (+)
24V DC, wire GND0 (pin 10) and GND1 (pin 12) to Field Power (-) GND
1790-T0W8X Relay Output Expansion Block Wiring Diagram
• Wire VDC (pin 1) to Field Power (+) 24V DC

Wire GND (pin 2) to Field Power (-) GND
20 18 16 14 12 10 8
6 4 2
19 17 15
13
11
9
7 5 3
1
OUT15 OUT11 GND1 OUT7
OUT3
OUT13 OUT9 GND0 OUT5
OUT1
OUT12 OUT8 VDC0 OUT4
OUT0
OUT14 OUT10 VDC1 OUT6
OUT2
20 18 16
14
12 10 8 6
4 2
19 17 15 13 11 9
7 5 3 1
OUT15
OUT11 GND1 OUT7 OUT3
OUT13 OUT9 GND0 OUT5 OUT1
OUT12 OUT8 VDC0 OUT4
OUT0
OUT14 OUT10 VDC1 OUT6
OUT2
20
18
16 14
12
10
8 6 4
2
19 17 15 13 11 9 7 5
3 1
OUT15 OUT11 GND1 OUT7
OUT3
OUT13 OUT9 GND0
OUT5 OUT1
OUT12
OUT8 VDC0 OUT4 OUT0
OUT14 OUT10 VDC1 OUT6 OUT2