Rockwell Automation 1757-SWKIT5100 ProcessLogix R510.0 Installation and Upgrade Guide - Manual (Page 200)

Publication 1757-IN510A-EN-P - October 2003
7-16 Firmware Maintenance Procedures
4. Click OK to launch the Network Tools application.
5. Click OK to acknowledge the warning about monitoring
through Control Builder.
6. Click Resume to initiate network scan.
7. Click any CNB icon under the Desktop tree and wait for the
graphic of the chassis to appear in the Detail pane.
8. In the graphic of your chassis, click the CNB module with the
Network Address selected above.
9. Click Change ControlNet to call up the Keeper Values
dialog box.
1 0. Confirm that the values listed for the parameters under the
Changes Tab on the dialog box match the following settings and
enter new values, as required.
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.
TIP
This may be the only module that appears in the
chassis graphic at this time.
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