Mitsubishi Electric Melservo-J3 Series MR-J3-B, Instruction Manual

Page: 658 / 802

16 - 103
16. INDEXER POSITIONING OPERATION
16.12.2 State at error occurrence
An error occurring during operation will result in any of the statuses indicated in the following table.
Error location Description
Operation mode
Test operation CC-Link operation
Servo side alarm
occurrence
Servo operation Stop Stop
CC-Link data communication Continued Continued
CC-Link
communication error
Servo operation Stop Stop
CC-Link data communication Stop Stop
Programmable
controller error/STOP
Servo operation Continued Stop
CC-Link data communication Stop Stop
Servo side warning
occurrence
Servo operation Stop Continued
CC-Link data communication Continued Continued
16.12.3 CC-Link communication error
This section gives the definitions of the indications given in the communication alarm display section.
The servo amplifier has four LED indications.
L.RUN : Lit at normal receive of refresh data. Extinguished when data is not received for a given period of time.
SD
: Lit when send data is "0".
RD : Lit when the carrier of receive data is detected.
L.ERR : Lit when the data addressed to the host is in CRC or abort error.
(Note) Communication alarm display LED
Error description
L.RUN SD RD L.ERR
Normal communication is made, but a CRC error sometimes occurs due to noise.
Normal communication
Hardware error
Hardware error
Receive data results in CRC error, disabling a response.
Data does not reach the host.
Hardware error
Hardware error
Polling response is made, but refresh receive is in CRC error.
Hardware error or the switch for manufacturer setting (SW2) is changed.
Hardware error
Hardware error
Data addressed to the host resulted in CRC error.
Data does not reach the host, or the data addressed to the host cannot be received due to
noise.
Hardware error
Baud rate setting illegal
Station number setting illegal
Baud rate or station number setting changed midway (ERROR flickers for about 4s)
Data cannot be received due to power-off, power supply failure, open cable, etc.
WDT error occurrence (hardware fault)
Note. : Lit : Extinguished : Flicker