Rockwell Automation 1769-XXXX Compact I/O Communication Bus Expansion Cables - Manual (Page 7)

1769 Compact I/O Communication Bus Expansion Cables 7
Publication 1769-IN014B-EN-P - May 2002
Installation
Prevent Electrostatic Discharge
Remove Power
ATTENTION
!
Electrostatic discharge can damage integrated circuits or
semiconductors if you touch bus connector pins or the
terminal block. Follow these guidelines when handling 1769
Compact I/O components:
•
Touch a grounded object to discharge static potential.
•
Wear an approved wrist-strap grounding device.
•
Do not touch the bus connector or connector pins.
•
Do not touch circuit components inside the module.
•
If available, use a static-safe workstation.
•
When not in use, keep cables in static shield packaging.
ATTENTION
!
Remove power before making or breaking cable connections.
When you remove or insert a cable connector with power
applied, an electrical arc may occur. An electrical arc can
cause personal injury or property damage by:
•
sending an erroneous signal to your system’s field
devices, causing unintended machine motion
•
causing an explosion in a hazardous environment
Electrical arcing causes excessive wear to contacts on both the
module and its mating connector. Worn contacts may create
electrical resistance.