Rockwell Automation 1791DS-IB16 CompactBlock Guard I/O DeviceNet Safety Module User Manual
Page 14

14 CompactBlock Guard I/O DeviceNet Safety Modules
Publication
1791DS-IN002C-EN-P - April 2009
Flashing
red
One or more I/O
connections in
timed-out state or
user-initiated firmware
update in progress
The module detected a recoverable network fault
or user-initiated firmware update is in progress.
Solid red
Critical link failure
The module detected an error that prevents it from
communicating on the network.
Flashing
red and
green
Communication faulted
module
The module detected a network access error and is
in communication faulted state. The module
received and accepted an Identity Communication
Faulted Request-long protocol message.
(1)
For recommended action, refer to the user manual that covers these modules.
Safety Input Status Indicator
State
Status
Description
Recommended Action
Off
Safety input
off or module
being
configured
The safety input is off or the
module is being configured.
Turn the safety input on or
wait for the module to be
configured.
Solid
yellow
Safety input
on
The safety input is on.
None.
Solid red
Fault detected
A fault in the external wiring
or input circuit detected.
Check configuration, field
wiring, and devices. If no
problem found, replace
module.
Flashing
red
Partner fault
detected
A fault in the partner input
circuit of a dual input
configuration detected.
Check the field wiring and
verify your configuration for
the partner circuit. If no
problem found, replace
module.
Network Status Indicator
(1)
State
Status
Description