Data Sheet

— Publishing interval, min.
500ms
— Number of server methods, max.
20
— Number of inputs/outputs per server
method, max.
20
— Number of monitored items, max.
1000; for 1 s sampling interval and 1 s send interval
— Number of server interfaces, max.
10
— Number of nodes for user-defined server
interfaces, max.
1000
Further protocols
● MODBUS
Yes; MODBUS TCP
Media redundancy
● Switchover time on line break, typ.
200ms; For MRP, bumpless for MRPD
● Number of stations in the ring, max.
50
Isochronous mode
Isochronous operation (application synchronized up
to terminal)
Yes; With minimum OB 6x cycle of 625 µs (distributed)
Equidistance Yes
S7 message functions
Number of login stations for message functions, max. 32
Program alarms Yes
Number of configurable program messages, max. 5000; Program messages are generated by the "Program_Alarm"
block, ProDiag or GRAPH
Number of loadable program messages in RUN,
max.
2500
Number of simultaneously active program alarms
● Number of program alarms
300
● Number of alarms for system diagnostics
100
● Number of alarms for motion technology
objects
80
Test commissioning functions
Joint commission (Team Engineering) Yes; Parallel online access possible for up to 5 engineering
systems
Status block Yes; Up to 8 simultaneously (in total across all ES clients)
Single step No
Number of breakpoints 8
Status/control
● Status/control variable
Yes
● Variables
Inputs/outputs, memory bits, DBs, distributed I/Os, timers,
counters
● Number of variables, max.
— of which status variables, max.
200; per job
— of which control variables, max.
200; per job
6ES7511-1CK01-0AB0 Subject to change without notice
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09/13/2019 © Copyright Siemens