Replacing Dmb - Epson RC420 Manual

Maintenance 8. DMB (Drive Main Board)
Jumper (JP1)
1-2
Short: Short-circuit
Jumper (JP2)
Connector
X102
X103
X104
X105A
X105B
X114
LED

8.2 Replacing DMB

■ Before performing any maintenance procedure, always make sure that the main
power of the Controller is turned OFF and that the high voltage charged area is
completely discharged.
main power is ON or the high voltage charged area isn't discharged completely
WARNING is extremely hazardous and may result in electric shock and/or cause serious
safety problems.
Replace DMB by following the steps described below.
(1) Shut down Windows, and turn OFF the Controller.
(2) Disconnect cables connected at the back of the Controller.
(3) Wait for about 1 minute until the high voltage is discharged.
(4) Turn over the Controller.
(5) Remove the six mounting screws of the Bottom Cover and remove the Bottom Cover.
(6) Disconnect the cables (X103, X105A, and X105B) from the backside of the DMB.
132
3-4 5-6
Short
Condition
JP2 short If the regeneration module is not installed.
JP2 open If the regeneration module is installed.
No.
The connector for the Signal cable of the Regeneration module.
The connector for the interface cable for the front panel and the
OPTIONAL DEVICE connector (Backside)
The connector for the DPB interface cable
The connector for the interface cable for the backplane (Backside)
The connector for the interface cable for the backplane (Backside)
The connector for the interface cable for the switching power supply
module2
No.
1 ON while the power for Encoder is output.
2 ON while the Manipulator's electromagnetic brake is released.
Description
Description
Description
Performing any maintenance procedure while the
RC420 Rev.9