User guide

42 Rockwell Automation Publication 1768-UM002C-EN-P - April 2012
Chapter 4 Communicate over Networks
Change the Safety Network Number (SNN) of the Controller
1. In the Controller Organizer, right-click the controller and choose
Properties.
2. On the General tab of the Controller Properties dialog box, click to
the right of the safety network number to open the Safety Network
Number dialog box.
3. Click Time-based and then Generate.
4. Click OK.
Change the Safety Network Number (SNN) of Safety I/O Modules on the CIP Safety Network
This example uses an EtherNet/IP network.
1. Find the first EtherNet/IP communication module in the I/O
Configuration tree.
2. Expand the safety I/O modules available through the EtherNet/IP
communication module.