7 Repair
Product Manual, Control Cabinet IRC5P 3HNA009834-001 en Rev.06 141
7.7 Replacement of I/O Units
7.7 Replacement of I/O Units
Location A number of I/O units may be installed in the controller. The I/O units are located
on the door and/or lower part of the back wall inside the controller as shown below.
Figure 72 Distributed I/O units
References – For information on connections of the I/O unit, see ‘Unit Description, IRC5P’,
Distributed I/O.
– For information on configuration of the I/O units, see ‘Operating Manual,
RobotStudio’.
Tools and Items – Hand tools
Removal The procedure describes how to remove an I/O unit.
WARNING! No repair work must be performed on the robot before the safety
regulations in ’Safety’ on page 13 have been read and understood.
CAUTION! The unit is sensitive to ESD. Before handling the unit, please observe
the safety information in ’ESD Precautions’ on page 130.
1. Turn the electrical disconnect switch ‘off’ and lock switch in ‘off’ position.
WARNING! Make sure that the mains switch is ‘off’ and locked in ‘off’ position
before continuing. Also make sure that possible other connected systems are ‘off’.
2. Open controller front door and locate the I/O unit to be replaced (72/1,2).
1 Location of I/O units
2 Alternative location of I/O units
3 Removing I/O unit type 1
4 I/O unit type 2 spring loaded locking device
5 I/O unit type 2 mounting rail
I/O Unit type 2I/O Unit type 1
3
4
5
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