Rockwell Automation 1715-OF8I Redundant I/O System User Manual - Manual (Page 214)

214 Rockwell Automation Publication 1715-UM001C-EN-P - March 2014
Chapter 6 1715 Redundant I/O System in SIL 2 Safety Applications
Enable SIL 2 Operation
Follow these steps to enable a module for SIL 2 operation.
1. On the Module Definition dialog box, from the Series pull-down menu,
choose Series A.
2. From the Revision pull-down menu, choose 2.001 or later.
3. From the Connection pull-down menu, choose Data.
4. From the Redundant pull-down menu, choose No for single modules with
simplex termination assemblies or Yes if you are using two modules with
duplex termination assemblies.
5. From the SIL 2 Safety pull-down menu, choose Yes.
Specify the Connection Reaction Time Limit and Requested Packet
Interval
On the module’s SIL 2 Safety tab, enter the requested packet interval (RPI) and
connection reaction time limit (CRTL). The module RPI is the same as the
setting on the Connection tab.