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Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual User Manual

Page 271

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Publication 1757-UM006A-EN-P May 2002

1788-CN2FF Installation Example F-23

Attached.” Doing this saves a little time since you will not load
the LAS into the Honeywell device.

7. Use the Primary LAS and Primary Timemaster pull down lists to

Select the 1788-CN2FF to be both the primary LAS and the
Primary Timemaster. (the CN2FF is the second one listed above).

All the devices that have an LM overlaid on the icon to the left of
the name of the FF Devices have the ability to be the LAS on
that network.

8. Click Link Settings(Advanced).

The information on this screen relates to the timing of the
network. You should be aware that if these parameters are set
too low they could cause communications problems on the
network. The default settings are those currently suggested by
the Fieldbus Foundation.

To see if some of the attached devices are requesting more time:

a. Click Press To See Suggested Values.

b. Click Apply Suggested Values.

c. Click Write Changes, if there are any.

IMPORTANT

Some devices that are capable of being LAS can
cause some conflict. For your first test, check only
the 1788-CN2FF.