Prevent Electrostatic Discharge; About The 1756-Cnb And 1756-Cnbr Series E Modules - Allen-Bradley E Series Installation Instructions Manual

6 ControlLogix ControlNet Interface Module

Prevent Electrostatic Discharge

This equipment is sensitive to electrostatic discharge, which can
ATTENTION
cause internal damage and affect normal operation. Follow these
guidelines when you handle this equipment:
• Touch a grounded object to discharge potential static.
• Wear an approved grounding wriststrap.
• 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
For additional information, refer to Industrial Automation Wiring and
Grounding Guidelines, publication 1770-4.1.

About the 1756-CNB and 1756-CNBR Series E Modules

The 1756-CNB and 1756-CNBR Series E modules work for all nonredundant
ControlLogix applications.
Only the 1756-CNB and 1756-CNBR, Series D modules are
IMPORTANT
supported in ControlLogix Redundancy releases 8, 11, 13, and 15.
After a firmware upgrade to version 11.xx, Series E will be
supported in ControlLogix Redundancy release 15 or later.
You cannot upgrade a Series D module to a Series E module.
Publication
1756-IN604A-EN-P - February 2006
packaging.