User Manual Manual

Rockwell Automation Publication 1757-UM012A-EN-P - July 2011 127
Diagnostic Web Pages Chapter 9
VCR Pages
The Virtual Communication Relationship (VCR) Pages consist of the VCR
Overview and the H1 diagnostic pages.
VCR Overview
For each H1 channel there is a maximum of 64 publisher and 64 subscriber
VCRs. The VCR Overview page indicates this maximum number and also
indicates how many of each are currently in use on the H1 channels.
For examples of how the number of used VCRs is calculated, see page 114
.
Rockwell Automation Technical Support can use the information listed on this
page. For information on specific VCR entries, refer to the F
OUNDATION
Fieldbus Specification, document FF-007
.
IMPORTANT
If you exceed the maximum number of VCRs, this page will continue to
show a total of 64 VCRs used. If 64 is shown and you experience
download errors, verify that you have not exceeded the limit.