Rockwell Automation 1790-XXXX Digital Expansion D-Shell CompactBlock LDX I/O User Manual
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Publication 1790-IN003A-EN-P - April 2001
1790-8BV8BX Input/Output Module Wiring Diagram for D-Shell Connector
• Sinking inputs - wire Com 1 to Field Power (+) 24V dc, wire Com 0 to Field
Power (-) GND
Sourcing inputs - wire Com1 to Field Power (-) GND, wire Com 0 to Field (+)
24V dc
Note: all Com 1 are internally connected.
• Sourcing outputs -wire Com 2 to Field Power (+) 24Vdc,
wire Com 3 to Field Power (-) GND
Note: all Com 3 are internally connected.
1790-0B16X Output Module Wiring Diagram for D-Shell Connector
• Sourcing outputs - wire Com 0 and Com 2 to Field Power (+) 24V dc, wire Com
1 and Com 3 to Field Power (-) GND
Note: all Com 1 and Com 3 are internally connected.
1790-0V16X Output Module Wiring Diagram for D-Shell Connector
• Sinking outputs - wire Com 0 and Com 2 to Field Power (+) 24V dc, wire Com 1
and Com 3 to Field Power (-) GND
Note: all Com 0 and Com 2 are internally connected.
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COM0
I0
I1
I2
I3
I4
I5
I6
I7
COM2
O0
O1
O2
O3
O4
O5
O6
O7
COM1
COM1
COM1
COM1
COM1
COM3
COM3
COM3
COM3
COM1
COM1
COM1
COM1
COM3
COM3
COM3
COM3
COM3
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2
1
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COM0
O0
O1
O2
O3
O4
O5
O6
O7
COM2
O8
O9
O10
O11
O12
O13
O14
O15
COM1
COM1
COM1
COM1
COM1
COM3
COM3
COM3
COM3
COM1
COM1
COM1
COM1
COM3
COM3
COM3
COM3
COM3
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COM0
O0
O1
O2
O3
O4
O5
O6
O7
COM2
O8
O9
O10
O11
O12
O13
O14
O15
COM1
COM0
COM0
COM0
COM0
COM2
COM2
COM2
COM2
COM0
COM0
COM0
COM0
COM3
COM2
COM2
COM2
COM2