Mitsubishi Electric MELSERVO-JE MR-JE-100A, Instruction Manual

Page: 300 / 310

APPENDIX
App. - 7
Output device
Symbol Device Connector Pin No.
ZSP Zero speed detection 23
INP In-position 24
ALM Malfunction
CN1
48
RD Ready 49
Power supply
Symbol Device Connector Pin No.
DICOM Digital I/F power supply input 20, 21
DOCOM Digital I/F common CN1 46, 47
SD Shield Plate
App. 2.5 Maintenance and service
WARNING
To avoid an electric shock, only qualified personnel should attempt inspections.
For repair and parts replacement, contact your local sales office.
CAUTION
Do not perform insulation resistance test on the servo amplifier. Otherwise, it may
cause a malfunction.
Do not disassemble and/or repair the equipment on customer side.
App. 2.5.1 Inspection items
It is recommended that the following points periodically be checked.
(1) Check for loose protective earth (PE) terminal screws of the servo amplifier. Retighten any loose screws.
(Tightening torque: 1.2 N•m)
(2) Check servo motor bearings, brake section, etc. for unusual noise.
(3) Check the cables and the like for scratches or cracks. Perform periodic inspection according to
operating conditions.
(4) Check that the connectors are securely connected to the servo motor.
(5) Check that the wires are not coming out from the connector.
(6) Check for dust accumulation on the servo amplifier.
(7) Check for unusual noise generated from the servo amplifier.
(8) Check the servo motor shaft and coupling for connection.