Epson G3 Series, Manual

Page: 106 / 200

Maintenance 4. Cable
94 G3 Rev.14
CAUTION
■
If the connectors have been disconnected during the replacement of the cable
unit, be sure to reconnect the connectors to their proper positions. Refer to the
block diagrams.
Improper connection of the connectors may result in improper function of the
robot system.
For details on the connections, refer to
Maintenance: 4.2 Wiring Diagrams.
■
When installing the cover, be careful not to allow the cables to interfere with the
cover mounting and do not bend these cables forcibly to push them into the
cover. Unnecessary strain on cables may result in damage to the cables,
disconnection, and/or contact failure. Damaged cables, disconnection, or
contact failure is extremely hazardous and may result in electric shock and/or
improper function of the robot system.
When routing the cables, observe the cable locations after removing the cover.
Be sure to place the cables back to their original locations.
■ Be sure to connect the cables properly. Do not allow unnecessary strain on the
cables. (Do not put heavy objects on the cables. Do not bend or pull the cables
forcibly.) The unnecessary strain on the cables may result in damage to the
cables, disconnection, and/or contact failure. Damaged cables, disconnection,
or contact failure is extremely hazardous and may result in electric shock and/or
improper function of the robot system.
Cable unit
Removal
(1) Turn ON the Controller and change the motor to OFF status (MOTOR OFF).
(2) Press and hold the brake release switch to let the shaft down. Be sure to keep
enough space and prevent the end effector hitting any peripheral equipment.
The brake release switch affects only Joint #3. When the brake release switch is
pressed, the brake for Joint #3 is released simultaneously.
Be careful of the shaft while the brake release switch is being pushed because it may
be lowered by the weight of an end effector.
(3) Turn OFF the Controller and disconnect the power cable and signal cable connectors
from thee controller.
(4) Remove the connector plate.
For details, refer to Maintenance: 3.4 Connector Plate .
(5) Remove the connector sub plate.
For details, refer to Maintenance: 3.5 Connector Sub Plate .
(6) Connect the spare battery to the spare battery connector (XB11) of Joint #1 signal
cable.
- Use the battery unit as the spare battery.
- The position of Joint #1 motor is stored with the battery on Arm #2/
Connect the spare battery otherwise the Joint #1 position data will be lost.

NOTE