Rockwell Automation 1757-SWKIT4000 ProcessLogix R400.0 Installation and Upgrade Guide - Manual (Page 174)

Publication 1757-IN040B-EN-P - March 2002
7-16 Firmware Maintenance Procedures
Be certain to adjust the Number of Repeaters, Cable Length, and
Fiber Optics settings to match your actual system configuration
when they differ from the suggested default values listed below.
•
NUT Time: 10000 uS (10 msec.)
•
Smax: 1
•
UMax: 24
•
Number of Repeaters: 0
•
Cable Length: 1000 (meters)
•
Cable Usage: A+B (for dual media cable configuration) or A
(for single media cable configuration)
•
Uncheck My System uses Fiber Optics.
11. If you made no changes to dialog box values, click Cancel and
skip to Step 17. Otherwise, proceed to the next Step.
12. Click OK to enter new values.
13. Click Yes in response to confirmation messages.
14. Wait for the data transfer to be completed. Click OK to
acknowledge the completion of the update without errors
prompt.
15. Click OK to acknowledge any communication prompt messages
that may appear.
16. Click Pause to halt the network scan.
17. If CNBs that reside on I/O networks are also to be updated, then
select one CNB from each I/O network for Step 8 and repeat
Step 9 through Step 15 for each I/O network.
18. Click Network Tools
⇒
Exit to end the session.
19. Return to upgrade or installation procedures as applicable.
TIP
The values listed below differ for applications that
include a Foundation Fieldbus Linking Device.
If you are including a Foundation Fieldbus Linking
Device in your application, review the CNB
restrictions covered in the Linking Device
Implementation Guide in Knowledge Builder for
NUT timing data specific to Fieldbus applications