Operation Status Leds - Mitsubishi Electric FR-A820-00046 Instruction Manual

Installation and wiring
2.11.6

Operation status LEDs

Check the operation status LED to confirm the CC-Link IE Field Network operating status.
LED name
RUN
SD
RD
D.LINK
ERR
L.ERR
Tab. 2-49:
Also lit in no-communication state.
This LED indicates a communication break between the master station and the inverter (due to
cable disconnection or breakage, power-OFF of the master power supply, or reset, etc.).
FR-A800
RUN D.LINK
SD ERR
RD L.ERR
Description
Operation status
Transmission status
Reception status
Cyclic communication status
Node failure status
Link error
CC-Link IE Field Network LED indications
Wiring for use of the CC-Link IE Field Network (FR-A800-GF)
Fig. 2-77:
CC-Link IE Field Network operation status LEDs at
inverter
ON
Normal operation (normal 5 V
internal voltage)
Data transmitting
Data receiving
Cyclic transmitting
Node failure
Received data error
I003077E
OFF
Hardware failure
No data transmitting
No data receiving
No cyclic transmitting or
disconnected
Normal operation
Received data normal
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