Cable break procedures – Rockwell Automation 1790D-XXXX DeviceNet Digital Base Terminal Block CompactBlock LDX I/O Series B User Manual
Page 17

DeviceNet Digital Base Terminal Block CompactBlock LDX I/O 17
Publication
1790-IN012B-EN-P - July 2008
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:
Network
Solid red
Module node number is a duplicate of an existing
node, or network communication issues exist.
Change module node number to an unused address, or
verify network wiring is correct and communication is
stable.
Flashing red
An I/O connection has timed out.
Cycle power to the 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.
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 Indicators
Indicator
Status
Description
Each output
None
Output is not energized.
Green
Output is energized.
Each input
None
No valid input is present.
Green
Valid input is present.
Status Indicators
Indicator
Status
Description