R8-NC3
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax:
+81(6)6659-8510 E-mail: [email protected]
EM-9726 P. 3 / 7
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STATUS INDICATOR LED
Power
Run
Error
SD
RD
STATUS
ON
ON
BL
BL
ON
Communicates normally with occasional CRC errors due to noise interference.
ON
ON
BL
BL
ON
Communicates normally but the Baud Rate and/or Station Address switches failed.
Error LED flashes approximately in 0.5 second intervals.
ON
ON
BL
BL
OFF
----
ON
ON
BL
OFF
ON
CRC error found in the received data. Unable to respond.
ON
ON
BL
OFF
OFF
----
ON
ON
OFF
BL
ON
Normal communication
ON
ON
OFF
BL
OFF
----
ON
ON
OFF
OFF
ON
Unable to receive data addressed to the station.
ON
ON
OFF
OFF
OFF
----
ON
OFF
BL
BL
ON
Performs the interval-timed responses but CRC error found in receiving the refresh data.
ON
OFF
BL
BL
OFF
----
ON
OFF
BL
OFF
ON
CRC error found in the data addressed to the station.
ON
OFF
BL
OFF
OFF
----
ON
OFF
OFF
BL
ON
Link is not started.
ON
OFF
OFF
BL
OFF
----
ON
OFF
OFF
OFF
ON
No data addressed to the station. Or unable to receive data addressed to the station due to
noise interference. (Missing parts of the data sent from the master)
ON
OFF
OFF
OFF
OFF
Unable to receive data due to wire breakdown
ON
OFF
ON
OFF
ON/
OFF
Faulty Baud Rate and/or Station Address setting
OFF
OFF
OFF
OFF
OFF
Power input removed. Or power supply failure.
OFF = OFF, ON = ON, BL = Blinking
---- = Inconceivable in normal operations (e.g. LED failure)
