Attention: avoid electrostatic charge – Rockwell Automation 1797-BCNR FLEX Ex Redundant ControlNet Barrier Module User Manual
Page 21
FLEX Ex Redundant ControlNet Barrier Module 21
Publication
1797-5.35 - July 2004
Application
The 1797-BCNR/* functions as a barrier for signals between ControlNet and
ControlNet Ex. The 1797-BCNR must be installed in safe, Zone 2 or
Division 2 areas.
Isolator Boot for ControlNet Ex
The isolator boot for the ControlNet Ex 1797-BCNR connectors can only be
removed when a ControlNet Ex trunk cable is connected. Any unused
connector on the ControlNet side must have its insulator boot installed. The
ControlNet Ex connection must not be connected to any signals which
exceed the intrinsically safe values of the ControlNet Ex network.
ControlNet is a trademark of ControlNet International.
FLEX Ex and ControlNet Ex are trademarks of Rockwell Automation.
IMPORTANT
For detailed certification information, refer to the FLEX
Ex System Certification Reference Manual, publication
1797-6.5.6.
Attention: Avoid electrostatic charge.