Omron E3X-CIF11, Руководство по эксплуатации

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Errors and Troubleshooting Section 6-1
6-1-3 Errors in the E3X-CIF11
Indicator status Probable cause Remedy
PWR indicator not lit. Power is not supplied to the Unit. Supply the power to the Unit through the power supply
cable.
The current and voltage are outside
the permissible range. Use the current and voltage within the permissible range.
The Unit is faulty. Replace the Unit.
U.ERR indicator lit
red. The Unit is faulty. Replace the Unit.
RXD indicator not lit. The data to be received through serial
communications has not arrived.
Check the following items and then restart the Unit.
• Are communications commands being sent from the
master?
• Are cable lengths suitable?
• Are cables shorted, broken, or loose?
• Is the wiring configuration correct?
• Is terminating resistance connected to both ends of the
communications line only?
• Is there too much noise?
The Unit is faulty. Replace the Unit.
RXD indicator flash-
ing yellow, TXD indi-
cator not lit. A serial communications error has
occurred. Check the following items and then restart the Unit.
• Is the unit number set correctly on the rotary switch?
• Is the baud rate of the Unit the same as that of the mas-
ter?
• Are the communications settings of the Unit the same as
that of the master?
• Is the master sending the correct commands?
• Is the response delay time too short?
• Are cable lengths suitable?
• Are cables shorted, broken, or loose?
• Is the wiring configuration correct?
• Is terminating resistance connected to both ends of the
trunk line only?
• Is there too much noise?
The Unit is faulty. Replace the Unit.
SS indicator not lit. No Sensors are connected. Connect the Sensors correctly.
The Sensor adjacent to the Fiber
Amplifier Sensor Communication Unit
is faulty. Replace the Unit adjacent to the Communication Unit.
The power was turned ON while the
Mobile Console was connected. Temporarily disconnect the Mobile Console.
The Unit is faulty. Replace the Unit.