Rockwell Automation 1757-SWKIT5000 ProcessLogix R500.1 Installation and Upgrade Guide - Manual (Page 197)

Publication 1757-IN500A-EN-P - September 2002
Firmware Maintenance Procedures 7-17
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