Delta RTU-CN01, Руководство по эксплуатации

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RTU-CN01 Operation Manual
8-2
_8
RTU-CN01 provides three diagnostic methods, LED indicator diagnosis, status word diagnosis and software
diagnosis.
8.1 LED Indicator Diagnosis

POWER LED
LED status Indication How to correct
Off Power is abnormal.
Make sure that the supply power for RTU-CN01
works.
Green light on Power is normal.
--

CAN RUN LED
LED status Indication How to correct
Green light in
single flash
RTU-CN01 in STOP state
The upper computer is downloading the network
configuration and RTU-CN01 is waiting until the
download is complete.
Green light
blinking RTU-CN01 in Pre-operational
state
1. Check if the CANopen bus cable is wired
properly.
2. Ensure that the baud rates of all nodes in the
network are the same.
3. Check if the slaves configured in the software
have acutally been connected to the network.
4. Check if some slave is offline.
Green light ON RTU-CN01 in RUN state --

CAN ERR LED
LED status Indication How to correct
Off Normal --
Red light in
double flashes
Some slave is offline.
1. Make sure that the CANopen bus cable is the
standard cable.
2. Make sure that there is a terminal resistor at both
ends of the CANopen bus.
Red light in
single flash The bus error exceeds the
alert level.
1. Make sure that the CANopen bus cable is the
standard cable.
2. Make sure that there is a terminal resistor at both
ends of the CANopen bus.
3. Check if there is too much interference around the
CANopen bus cable.
Red light ON Bus-off
1. Check if the bus cable in the CANopen network is
wired properly.
2. Ensure that the baud rates of all nodes in the
network are the same and repower RTU-CN01.