Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O - Manual (Page 9)

9
Publication 1790-IN005B-EN-P - April 2003
2. Position the expansion block with proper spacing.
3. Mount the expansion block using panel or DIN rail
mounting, as described in the previous section.
4. Plug the expansion cable into the base and expansion
blocks.
5. Replace the expansion covers on all blocks.
IMPORTANT
The expansion cable can only be
connected to the modules so that the red
stripe on the cable is on the bottom as
shown below.
CompactBlock LDX 1790-16BVO X
DC INPUTS
EXPANSION UNIT
16 INPUTS-DCPO WER
0 7 DC OUTPUTS 0 7
CompactBlock LDX 1790-16BVO X
DC INPUTS
EXPANSION UNIT
16 INPUTS-DCPOWER
0 7 DC OUTPUTS 0 7
Base Block Expansion Block
95 mm
3.74 in
95 mm
3.74 in
Expansion cover Expansion cover
41 mm
1.6 in
25 mm
1 in
41 mm
1.6 in
CompactBlock LDX 1790-16BVO X
DC INPUTS
EXPANSION UNIT
16 INPUTS-DCPOWER
0 7 DC OUTPUTS 0 7
CompactBlock LDX 1790-8BV8V
DC INPUTS
MOD NET STATUS 8 INPUTS/8OUTPUTS-DC POWER
0 7 DC OUTPUTS 0 7
To install plug, gently pull
and swing cover inward
Red strip must be on bottom
of expansion cable