Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 270)

Publication 1757-UM006A-EN-P May 2002
F-22 1788-CN2FF Installation Example
4. When the working icon disappears, click Network Parameters.
You see:
5. Select the Primary LAS, and the Primary Timemaster.
6. Use the two pull down menu’s to select the Linking Device for
both.
Check only the Linking Device to receive the LAS schedule. In
this example, you would remove the check by the “Honeywell
These are the devices on the FF network.
Your list of devices and Function Blocks
will be different. This is called the
Function Block Library,
Uncheck the download to
Honeywell Attached. This will
reduce the download time.
Primary LAS
LAS, Link Active Scheduler
LAS stands for Link Active Scheduler and
identifies the device which will hold the
network schedule and tell each node when to
Publish its FF information.