Ransburg Serial Node Adapter LECU4002_78553 - Manual (Page 39)

ACTIVE
LED
FAULT DESCRIPTION POSSIBLE CAUSE
ON
OFF
BLINK
ON
OFF
Normal Operation
Serial Node Adapter not
communicating with Remote I/O
Serial Node Adapter is not
controlling I/O
Checking Configuration
No Serial Node Adapter activity
----
1. RIO cable not connected
2. Incorrect dipswitch settings on Serial
Node Adapter for Baud rate, Address or
Starting Quarter
1. PLC in program mode
2. Another Node with same address on
RIO
1. Normal during power-up
2. Flex Mode - after power-up, indicates
configuration word does not match
installed hardware.
1. No power to Serial Node Adapter
2. Hardware failure
SERIAL NODE ADAPTER + LED INDICATORS
CPU
LED
ON
ON
ON
BLINK
OFF
MAINTENANCE
TROUBLESHOOTING GUIDE
Serial Node Adapter/Serial Node Adapter + - Maintenance
Ransburg
35 LN-9238-02.3