Ronan XSD-1000 User Manual

Page 60

Remote I/O Failure

There is one I/O module for each detector in your system, plus one module for photo-
eyes 1 – 4, and another for photo-eyes 5 – 8. For instance, if you have 2 detectors and 2
photo-eyes (typical system), you will have 4 Remote I/O Modules (the fourth is the Relay
Output for Auto Verification Notification). The Remote I/O Module numbers listed in
the Log File are defined in the Remote I/O Module Addressing section.

• Check the Monitor Panel screen and the current Log File to determine if only one

Remote I/O Module has failed, or if ALL Remote I/O Modules have failed. If all have
failed, go to Step 1 in the ‘No Remote I/O Modules Found’ section.

• Open the Remote I/O Enclosure and notice the red LED’s on each of the Remote I/O

Modules. Any that are NOT flashing, but are on, are NOT communicating. Any
LED’s that are constantly off have lost power, have totally failed, or have an address
conflict. If you have recently added or replaced a Remote I/O Module, refer to the
‘Remote I/O Module Addressing’ section to verify the module’s address.

• Make sure the terminal screws on the Remote I/O Modules are tight and there are no

loose wires.

• Remove the power from the Monitor Panel for about 5 seconds, then restore it. All

LED’s on Remote I/O Modules should begin flashing within a few seconds.

• If a Module (or Modules) still cannot communicate or power up, replace the Remote

I/O Module. Refer to the ‘Remote I/O Module Addressing’ section for proper
addressing.