Rockwell Automation 198 Series C Modular DeviceNet Starter Auxiliary User Manual - Manual (Page 39)

Operation 3-18
Publication 198-UM002A-EN-P December 2001
COS Mask Parameters
The Series C MDSA DeviceNet module contains 2 COS (Change of State) parameters:
IO Mod COS Mask
The I/O Module Change of State Mask – Each bit in this 16-bit word enables/disables
Change of State messages in response to changing inputs for each I/O module on the
back-plane. The IO Mod COS Mask is shown in the screen below.
To change the value of the IO Mod COS Mask, click on the value of the parameter. The
following screen appears: