ControlNet Fiber-optic Ring Repeater Modules
31
Rockwell Automation Publication 1786-IN003D-EN-P - April 2011
Flashing red/off
Module is powered, but not
ready for operation. This
state should also occur
during module reset and last
for approximately
5 seconds.
Do nothing. The fiber
repeater module is
operating properly.
Intermittent red
As more data errors are
detected the frequency of
the flashing red increases
until a solid red displays.
Check for proper operation.
Red
Excessive receive signal
distortion.
Review these items:
•
Be certain that you are
using the correct fiber
type for your module.
•
Check fiber length and
attenuation to make sure
that it is within
specification.
•
Replace the downstream
1786-RPFRL module on
the channel that is
having the intermittently
flashing red status
indicator.
•
Be certain that your total
network length is not out
of specification.
•
Be certain that SMAX is
correctly defined in the
RSNetWorx for
ControlNet software.
Table 3 - Fiber Repeater Module Status Indicators
If the fiber repeater
module indicator is
This means
You should
Spare Allen-Bradley Parts