Rockwell Automation 1757-SWKIT5000 ProcessLogix R500.1 Installation and Upgrade Guide - Manual (Page 246)

Publication 1757-IN500A-EN-P - September 2002
11-6 Performance and Capacity Specifications
User Interface Capacity and Performance
(5) While using the NI FBUS Configurator, you can only monitor 1 Linking Device at one time. This
application should only be run on the Backup Server (if redundant) as this will put an additional CPU load
on the system approximately 35% higher than the normal running state. If run on a Non-Redundant
Server, it is required that you have a more performance CPU configuration. This applies only to
1757-CN2FF access to Foundation Fieldbus devices. It does not apply to FIM access.
(6) RSBatch includes multiple services and applications.
(7) This upgrade requirement is per Server Node.
ATTENTION
!
Low memory and CPU resources can affect Server
performance in the following ways:
• Low memory can impact CB and Station operations
such as display call-up and screen refresh. Background
applications such as RSLinx and CDA can also be
impacted. On occasion, extremely low memory
resources have caused foreground and background
applications to fail.
• Low memory causes virtual memory to be swapped
often, which itself is a CPU intensive operation.
Therefore, low memory directly affects the amount of
available CPU resources.
• Low CPU resources can impact communication
between Clients and Server. Although the
communication subsystem guarantees data delivery, low
CPU resources can create communication bottlenecks
that adversely affect the freshness of data displayed.
• Low CPU resources can impact CB operations such as:
opening charts, loading, uploading and updating
project.
Table 11.D Operational Display Update Rates
Operation Display Update Rates
Maximum Continuous Display Update Rate 1 sec
Maximum Number of Parameters/Display 300
Typical Field Change to Display Update Time with 100 Parameters
Per Display on a Single Station/Server
(Server configured for 1 sec update)
< 2 sec