Rockwell Automation 1757-SWKIT5100 ProcessLogix R510.0 Installation and Upgrade Guide - Manual (Page 250)

Publication 1757-IN510A-EN-P - October 2003
11-10 Performance and Capacity Specifications
Server Notifications
Server Data Access
Table 11.H Server Notifications
Server Notifications Value
Maximum number of events (burst condition)
(1)
(1)
Event Burst Handling
The ProcessLogix Server Alarm System will handle an event burst of up to 1000 events, with a minimum time
between consecutive bursts. An “event burst” will be defined as a group of events greater than 40/sec, received
from all connected Event Servers in a period of less than 3 seconds. The time period required between
consecutive bursts, to allow for event processing, can be calculated using the following formula: T = BS/(40-ER)
Where:
T = # of seconds required between bursts
BS = Burst Size (number of events in the burst)
ER = Event Rate between bursts
Examples:
1) 1000 Event burst and no events between bursts: T = 1000/40 = 25 seconds
2) 500 Event burst with 30 events/sec between: T = 500/10 = 50 seconds
1000 events
Maximum number of events/second (sustained) 40/sec
Maximum number of alarms/second (sustained)
(2)
(2) Up to two events are also generated for every alarm, including one event for entering the alarm condition and one
for return to normal.
20/sec
Maximum number of remote OPC A&E Servers subscribed to by
the ProcessLogix Server
(3)
(3) OPC Alarm & Event Support: The ProcessLogix Server includes the option to support reception of OPC Alarms &
Events, in addition to native ProcessLogix notifications. When an OPC Alarm & Event Server has been configured
to generate notifications to captured by the ProcessLogix Server Alarm System, the notification limits noted
above are applicable to the combined set of events received from all event sources configured.
Maximum number of remote OPC A&E Clients supported by the
ProcessLogix OPC A&E Server 5
Table 11.I Server Data Access
Server Data Access
Definition: PPS = Average Parameters Per Second
Maximum CDA PPS from all Controllers (1757-PLX52 and FIMs) 4000 PPS
Maximum OPC PPS from all configured OPC Servers 1600 PPS
Maximum number of remote OPC Data Access Servers subscribed
to by the ProcessLogix Server 5
Maximum OPC PPS published to all OPC Clients 2000 PPS
Maximum number of remote OPC Data Access Clients supported
by the ProcessLogix Server 5