Connecting The Wiring Connector To The Extended Safety Unit; Check Items - Mitsubishi Electric MELFA CR750 Series Instruction Manual

(4) Tighten the screw.
2.2.4

Connecting the wiring connector to the extended safety unit

Insert the wiring connector to CNUSR21 or CNUSR22 of the extended safety unit. Tighten and fix securely two
connector fixing screws mounted on the both sides of the connector using the tool used in wiring operation.
(Tightening torque: 0.22 to 0.25 Nm)
After fixing is completed, refer to "4.2.5 Test operation" and perform the operation check for the signals specific
to the robot safety option. For the other signals, refer to specifications / instruction manual that comes with the
robot and perform the operation check.
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
Fig. 2-3 Connecting the connector to the extended safety unit

2.3 Check items

Check the following items periodically.
(1) Make sure the connector is securely fixed to the extended safety unit.
(2) Make sure the electric wire does not come off from the wiring connector.
(3) Make sure the screw fixing the electric wire to the wiring connector is not loosened. If it is loosened, make
sure the electric wire is inserted securely and retighten the screw.
(4) Make sure the screw fixing the extended safety unit is not loosened.
(5) Make sure the connector inserted to CNUSR2 is securely inserted.
Tightening torque: 0.22 to 0.25 Nm
CNUSR21
CNUSR22
2 Installation
Check items 2-9