Omron ZW-XC7 User Manual page 177

Error type Phenomenon
Communication RS-232C communication
error cannot be established.
Ethernet communication
cannot be established.
Communication cannot be
established by EtherCAT.
Other Key input is not allowed.
*1 Refer to "6-1 Error Messages" described in Displacement Sensor ZW-7000 series Confocal Fiber Type Displacement Sensor User's Manual for
Communications Settings (Z363-E1-01).
*2 Refer to "2-1 Parallel I/O connection" described in Displacement Sensor ZW-7000 series Confocal Fiber Type Displacement Sensor User's
Manual for Communications Settings (Z363-E1-01).
*3 Refer to "5-1 No-protocol Communications" described in Displacement Sensor ZW-7000 series Confocal Fiber Type Displacement Sensor
User's Manual for Communications Settings (Z363-E1-01).
ZW-7000 User's Manual
Cause
Cable wirings are wrong.
Cables are not connected correctly.
Communication settings are wrong. Set the same communication setting
The Ethernet cable is not
connected correctly.
The IP address and subnet mask
are not set correctly.
The Sensor Controller and an
external device are not connected
at a 1:1 ratio.
The Ethernet cable is disconnected
or about to be disconnected.
The industrial switching hub is
faulty (when the switching hub is
used).
The security setting is not
appropriate.
The node address setting switch is
not set correctly.
Devices are not connected
correctly to the EtherCAT
connector (input/output).
The key lock setting is turned ON.
Countermeasure
Check the wiring to ensure proper
connection.
for both the Sensor Controller and
the external devices.
Use a cross cable when connecting
the controller directly with the
personal computer.
Set the IP address and subnet mask
correctly.
* To enable the settings, restart the
Controller.
Connect the Sensor Controller and
an external device at a 1:1 ratio.
Check if the Ethernet cable is
disconnected.
Check if the industrial switching hub
is faulty.
Check if the communication is
blocked due to the firewall setting on
the external device.
Check to make sure that the node
address setting switch is set
correctly.
Check to make sure that devices are
connected correctly to the EtherCAT
connector (input/output).
Turn OFF the key lock setting.
Troubleshooting
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p.45
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