Rockwell Automation 1790D-XXXX DeviceNet Digital Base Terminal Block CompactBlock LDX I/O Series B - Manual (Page 10)

10 DeviceNet Digital Base Terminal Block CompactBlock LDX I/O
Publication 1790-IN012B-EN-P - July 2008
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To mount vertically (up or down), add an expansion block
either up or down in a back-to-back configuration. In this
configuration, you must use the optional 15 cm (5.9 in.)
ribbon cable, catalog number 1790-15CMCBL, and
alternately position the block in a right-side up,
upside-down fashion.
3. Mount your block on a panel or DIN rail.
Wiring the Terminal Block
See the diagrams that follow for wiring information.
WARNING
If you connect or disconnect wiring while the field-side power is on, an electrical
arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
44274
The longer expansion cable, catalog
number 1790-15CMCBL, provides for up
to 7 cm (2.76 in.) of space between
blocks.
Right Side Up
Upside Down
Right Side Up