SMC Networks EX260-SEC1, Руководство по эксплуатации

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No.EX##-OMN0011-B
Troubleshooting table
Fault No.1
Fault Probable cause Recommended error handling Recommended action
Re-tighten the power cable.
(Replace the cable if it is
broken)
Defective power
cable wiring for SI
unit operation
Check the condition of the power cable
wiring to the SI unit.
Correct the power cable wiring
layout.
SI unit
PWR LED
OFF
SI unit operating
voltage is not
supplied
Check the condition of the supply voltage to
the SI unit. Supply 24 VDC
±
10% to the SI
unit.
Fault No.2
Fault Probable cause Recommended error handling Recommended action
Re-tighten the power cable.
(Replace the cable if it is
broken)
Defective power
cable wiring for the
solenoid valve
Check the condition of the power cable
wiring for the valve.
Correct the power cable wiring
layout.
SI unit
PWR(V) LED
OFF
Load voltage for the
valve is not supplied Check the condition of the supply voltage for
the valve. Supply 24 VDC +10%/-5% to
the valve.
Fault No.3
Fault Probable cause Recommended error handling Recommended action
Check the condition of the upstream device.
Supply voltage to the
upstream device.
Check the condition of L/A IN side bus cable
wiring, and that there is no broken bus cable.
Re-tighten the bus cable.
(Replace the cable if it is
broken)
Check that there is no noise source or high
voltage line around the bus cables. Keep noise sources away from
the bus cable.
SI unit
L/A IN LED
OFF The connection to
the upper side
device has failed
Check the connection of the ground terminal.
Connect the ground terminal
to ground.
Fault No.4
Fault Probable cause Recommended error handling Recommended action
Check the condition of the EtherCAT master.
Set the EtherCAT master to
RUN state.
Supply voltage to the
upstream device.
Check the condition of the upstream device.
(Check that there are no L/A LED’s indicating
OFF on any upstream devices)
Re-tighten the bus cable.
(Replace the cable if it is
broken)
SI unit
L/A IN LED
Stay Green No communication
with EtherCAT
master
Check that there is no noise source or high
voltage line around the bus cables. Keep noise sources away from
the bus cable.