Rockwell Automation 1757-FFLD Linking Device Configuration Manual - Manual (Page 89)

Publication 1757-PM002A-EN-E - June 2006
Applications 4-35
Once the Initialization Request is received by the ControlLogix routine, a
signal must be generated and sent back to the RSFieldbus AO stating that
initialization has been acknowledged. The Logix Block has an Initializing
parameter associated with each output to accommodate this
acknowledgement. This value must be toggled from off to on, then off again.
As with the input values, this initializing value is part of the substatus of the
output value.
Follow the steps below to add handshake logic.
1. From the Compare tab, click the Equal button and move the
Equal block below the PIDE block.
2. Click the Block Properties button .
The Equal Properties window opens.
3. Enter >2< for the SourceB value and click OK.
4. Click the Input Reference button .
The Input Reference is added to your sheet.
5. Drag and drop the Input Reference to the left of the Equal block.