Velocity Operation Manual
www.velocitydetection.com
77
Local I/O Faults
Module Removed
The panel has stopped
communicating to the module
unexpectedly.
Check coms heartbeat LED on front
of module, it should be blinking.
Check the RJ45 connection between
the module and the TRM PCB.
If the above is all OK, perform a CPU
reset on the Panel.
Local Output Shorted
The output on one of the module
ports has detected a short circuit.
Check that there is not a short circuit
between the cores on the wiring.
Check that the End of Line resistor is
the correct value (if required).
Local Output Open
The output on one of the module
ports has detected an open circuit.
Check that the wiring connections are
making good contact.
Check that the End of Line resistor is
present and the correct value (if
required).
Local Input Shorted
The input on one of the module ports
has detected a short circuit.
Check that there is not a short circuit
between the cores on the wiring.
Check that the End of Line resistor is
the correct value (if required).
Local Input Open
The input on one of the module ports
has detected an open circuit.
Check that the wiring connections are
making good contact.
Check that the End of Line resistor is
present and the correct value (if
required).
