Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O - Manual (Page 11)

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Publication 1790-IN005B-EN-P - April 2003
1790-T8BV8BX Input/Output Expansion Block Wiring Diagram
• Sinking inputs - wire COM (pin 9) to Field Power (-) GND
Sourcing inputs - wire COM (pin 9) to Field Power (+) 24Vdc
Note: both COM (pins 9 and 10) are internally connected.
• Sourcing outputs -wire VDC (pin 11) to Field Power (+) 24Vdc,
wire GND (pin 12) to Field Power (-) GND
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
20 18 16 14 12 10 8 6 4 2
19 17 15 13 11 9 7 5 3 1
OUT7 OUT3 GND IN7 IN3
OUT5 OUT1 COM IN5 IN1
OUT4 OUT0 COM IN4 IN0
OUT6 OUT2 VDC IN6 IN2
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