Epson LS20-B Series User Manual

Maintenance 4. Cable
LS20-B Rev.4 77
CAUTION
■
If the connectors have been disconnected during the replacement of the cable
unit, b
e sure to reconnect the following connectors to their proper positions
.
R
efer 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
c
over 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 hazard
ous 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
forcibl
y.) The unnecessary strain on the cables may result in damage to the
cables, disconnection, and/or contact fai
lure. Damaged cables, disconnection,
or contact failure is extremely hazardous and may result in electric shock and/or
improper function of the robot system.
A brake is mounted on the motor of Joints #3 and #4 to prevent the shaft from moving down
and rotating due to the weight of the end effector while the power to the Controller is OFF
or while the motor is in OFF status (MOTOR OFF).
Move the shaft down to its lower limit before the replacement procedure following the
removal steps.
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 is applied to both Joints #3 and Joint #4.
When the brake release switch is pressed, the respective brakes of the Joint #3 and Joint
#4 are
released simultaneously.
Be careful of the
shaft falling and rotating while the brake release switch is
being
pressed
because the shaft may be lowered by the weight of an end effector.
(3)
Turn OFF
the Controller.
(4)
Remove the Connector Sub
Plate from the Connector Plate.
For details, refer to Maintenance 3.5 Connector Sub Plate
(5)
Disconnect M/C cable.
For details, refer to Setup & Operation 3.6 Connecting the Cables - Connect and
disconnect M/C cable.
(6)
Remove the
Connector Plate.
For details, refer to Maintenance: 3.4 Connector Plate.

NOTE

NOTE

Epson LS20-B Series Specifications

General

Brand	Epson
Model	LS20-B Series
Category	Robotics
Language	English