Replacement Of Contactor For Interlock - Panasonic LP-RH Series Setup And Maintenance Manual

7-2-8 Replacement of contactor for interlock

INTERLOCK terminals of I/O terminal block is connected with the operation coil of the internal contactor in the controller.
With the open and close operation of the contactor, the power of laser oscillator turns off when the INTERLOCK terminal is
released.
„ Effect from deterioration
When the drive of the contactor gets deteriorated by the long-term operation, the power of laser oscillator does not turn off
correctly with INTERLOCK terminal is released.
By using INTERLOCK MONITOR terminals, you can monitor the contact malfunction.
„ Replacement interval
• Number of switching cycles of INTERLOCK contactor has exceeded one million. (B10d = 1,000,000 times)
• The output status of INTERLOCK MONITOR terminals (Y16-Y17, Y18-Y19) does not correspond to the input status of
INTERLOCK terminals (X16-X17, X18-X19).
• Alarm for INTERLOCK open (E400, E401) cannot be released.
• If the number of switching cycles of INTERLOCK contactor exceeds one million, the laser radiation time exceeds 30,000
hours, the "!" symbol is displayed on the maintenance screen of the Laser Marker NAVI smart and MAINTENANCE
OUT (Y13) of I/O terminal block turns ON.
„ How to confirm the number of
opening/closing operations
Go to the "Maintenance" screen and select
"Operating data".
"Number of switching cycles of INTERLOCK
contactors" is displayed.
„ Models of replacement parts
For details of purchasing the contactor, please contact our sales agency.
Part name
Contactor unit for Interlock
192
Model Remarks
LP-AEC10 Model of the contactor: SK09L-E01
(made by Fuji Electric FA Components & Systems Co., Ltd.)
Mechanical life: 10 million times
Electrical life: 1 million times
ME-LPRH-SM-3