Rockwell Automation 1790D-XXXX DeviceNet Digital Base D-Shell Module CompactBlock LDX I/O Series B - Manual (Page 16)

16 DeviceNet Digital Base D-shell Block CompactBlock LDX I/O
Publication 1790-IN013A-EN-P - September 2006
Cable Break Procedures
A cable break in any location between either of the following
produces data of 0 in the data table for all inputs down stream of the
cable break.
• Base and digital input expansion module
• Digital input expansion module and another digital input
expansion module
Solid Green The module is operating in a normal
condition, and the module is online with
connections in the established state. As
a group 2 module, the module is
allocated to a master. None.
Flashing Green The module is online with no
connections in the established state. Establish connections to
other nodes. As a group 2
module, allocate the
module to a master.
Off No power. Wait until the module has
completed the
dup_MAC_id test or
power the module.
I/O Status LED Indicators
Function LED Indicator Module
Illumination Condition
I/O Status
Outputs Each output:
Green None
Green Output not energized.
Output energized.
Inputs Each input::
Green None
Green No valid input.
Valid input.
Interpret the LED Indicators
LED Indicator Probable Cause Recommended Action