Dmb (Drive Main Board); Layout And Functions; Replacing The Dmb - Epson RC520 Manual

6.6 DMB (Drive Main Board)

6.6.1 Layout and Functions

CN11
The test pins for voltage check
LED

6.6.2 Replacing the 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. Performing any maintenance procedure while the main
power is ON or the high voltage charged area isn't discharged completely is
WARNING
extremely hazardous and may result in electric shock and/or cause serious
safety problems.
Replace the DMB by following the steps described below.
(1) Shut down Windows, and turn OFF the Control Unit and six-axis Drive Unit.
(2) Disconnect cables connected at the back of the six-axis Drive Unit.
(3) Wait for about 1 minute until the high voltage is discharged.
(4) Remove the Top Cover by removing the eight screws.
RC520 Rev.7
CN4 CN5
CN16
No.
TP1 GND
TP2 - 5V voltage for the Motor Driver module
TP3 GND
No.
1 ON while the power for Encoder is output.
Maintenance 6. Six-axis Drive Unit
CN6 CN7
CN14
Description
Description
TP2
CN8 CN9
TP3
CN18
TP1
LED1
CN15
175