Replacing The Resolver Board - Epson LS3-401 series Manipulator Manual

11.2 Replacing the Resolver Board

After battery board and parts have been replaced (motors, reduction gear units, brakes,
timing belts, ball screw spline unit, etc.), the manipulator cannot operate properly because
a mismatch exists between the origin stored in each motor and its corresponding origin
stored in the controller.
After replacing the parts, it is necessary to match these origins.
The process of aligning the two origins is called "Calibration".
Refer to Maintenance: 13. Calibration to execute the calibration.
Resolver Board (1) Turn OFF the controller.
Removal
(2) Remove the Connector Plate.
(3) Disconnect three batteries connectors and the M/C
(4) Remove the screws (flat head screw ×4) on the side
(5) Disconnect the connectors X10 and X20 from the resolver board.
LS Rev.10
For details, refer to Maintenance: 3.3 Connector Plate.
signal connector.
face of the Base.
Slowly pull out the resolver board and heat-transfer
sheet from the Base.
The signal connector is connected. Do not pull out
forcibly.
Maintenance 11. Lithium Battery and Boards
(4)
(3)
(3)
(4)
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