ABB AC500 PLC Hardware Manual page 1107

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2019/04/17
Switch off power supply of the system and verify that the CPU is powerless.
ð LEDs (PWR, RUN, ERR) must be off.
Remove the option cover.
ð Remove the option cover of the CPU totally by pushing it to the outer side.
NOTICE!
Avoidance of electrostatic charging
PLC devices and equipment is sensitive to electrostatic discharge,
which can cause internal damage and affect normal operation.
Observe the following rules when handling the system:
– Touch a grounded object to discharge potential static.
– Wear an approved grounding wrist strap.
– Do not touch connectors or pins on component boards.
– Do not touch circuit components inside the equipment.
– If available, use a static-safe workstation.
– When not in use, store the equipment in appropriate static-safe
packaging.
3ADR010121, 13, en_US
Device Specifications
Accessories > AC500-eCo
1107