Mitsubishi Electric CC-Link-AnyWire Bitty Bridge User Manual page 64

Symptom
Was it set as an error invalid station?
Faulty stations
cannot be
Is the same station number used for multiple
detected.
stations?
(2) AnyWire Bitty side
Symptom
 NZ2AW1C1BY side
Is 24VDC power being supplied
appropriately?
Is the transmission cable (DP, DN) connected
correctly?
Was the MODE switch set correctly?
Data I/O is
impossible.
 Slave module side
Is 24VDC power being supplied
appropriately?
Is the transmission cable (DP, DN) connected
correctly?
Was the address set correctly?
Are terminating units connected?
Are the poles connected in reverse?
Data I/O is Does the total length of the transmission
unstable. cable (DP, DN) exceed the specifications?
Is the shield line being used for multiple-point
grounding?
Is the supply voltage within the allowable
voltage range?
Is any power cable (24V, 0V) disconnected?
The LINK LED
Is the power supply terminal loose?
on the slave
module does not
Are the screws on the terminal block
flash.
loosened?
Is any transmission cable (DP, DN)
disconnected?
Is any transmission cable (DP, DN)
disconnected?
The LINK LED
of the At the startup, was the automatic address
NZ2AW1C1BY detection performed correctly?
turns on in red.
Are the screws on the terminal block
loosened?
The LINK LED
of the
NZ2AW1C1BY Is any transmission cable (DP, DN) short-
turns on in red circuited?
and the SET Is the power supply voltage lower than
LED flashes in 21.6V?
orange (At every
1 second).
62
Check item
Check item
Check method
Check the parameters.
Check the station numbers.
Check method
Check the power voltage.
Check the wiring for AnyWire Bitty.
Check the MODE switch setting.
Check the power voltage.
Check the wiring for AnyWire Bitty.
Check the address setting.
Check that the terminating units are connected correctly.
Check that the total length is correct.
Check the wiring for AnyWire Bitty.
Check the power voltage.
Check the wiring for AnyWire Bitty.
Check the wiring for AnyWire Bitty.
Check the wiring for AnyWire Bitty.
Check the wiring for AnyWire Bitty.
Check the status of the slave module and the wiring for
AnyWire Bitty, and perform the automatic address
detection.
Check the wiring for AnyWire Bitty.
Check the wiring for AnyWire Bitty.
Check the power voltage.
Check
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