52 Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
Chapter 3 Common Module Features
Enable Change of State
The Point column on the left side of the Configuration tab lets you set whether a
COS occurs when a field device transitions from Off to On or On to Off.
Follow these steps to enable or disable COS.
1. On the Module Properties dialog box, click the Configuration tab.
2. Do one of the following in the Enable Change of State columns:
• To enable COS for a point, check the corresponding Off to On or On
to Off checkbox.
• To disable COS for a point, clear the corresponding Off to On or On to
Off checkbox.
3. Click OK.
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