Siemens SIMATIC S7-400H Manual page 281

Configuration
Central racks/expansion
units
Multicomputing
Number of plug-in IMs
(overall)
•
IM 460
•
IM 463-2
Number of DP masters
•
Integrated
•
Via CP
Operable function modules
and communication
processors
•
FM, see Appendix E
•
CP 441
•
Profibus and Ethernet
CPs including CP
443-5 Extended
Time
Clock
•
Buffered
•
Resolution
•
Accuracy at
– Power off
– Power on
Runtime meter
•
Number
•
Value Range
•
Granularity
•
Retentive
Time synchronization
•
In PLC, on MPI and DP
Time of day difference in
the system for
synchronization via
•
ETHERNET
•
MPI
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07
Max. 1/21
No
Max. 6
Max. 6
maximum 4, only in single
operation
2
Max. 10
Limited by the number of
slots and the number of
connections
Limited by the number of
connections (maximum of
30)
Max. 14
Yes
Yes
1 ms
Deviation per day 1.7 s
Deviation per day 8.6 s
8
0 to 7
0 to 32767 hours
1 hour
Yes
Yes
as master or slave
maximum 10 ms
maximum 200 ms
Technical Specifications
S7 Message Functions
Number of stations that can
log on for message
functions (e.g. WIN CC or
SIMATIC OP)
•
Simultaneously active
ALARM-S/SQ blocks
and ALARM-D/DQ
blocks
ALARM-8 blocks
•
Number of
communication jobs for
ALARM-8 blocks and
blocks for S7
communication (can be
set)
•
Preset
Statuses
Number of archives that
can log on simultaneously
(SFB 37 AR_SEND)
Test and Startup Functions
Monitor/modify tag
•
Variables
•
Number of variables
Force
•
Variables
•
Number of variables
Status block
Single sequence
Diagnostics buffer
•
Number of entries
•
Preset
Number of breakpoints
Max. 8
Max. 100
Yes
Max. 600
300
Yes
16
Yes
Inputs/outputs, memory
markers, DB, distributed
inputs/outputs, timers,
counters
Max. 70
Yes
Inputs/outputs, memory
markers, distributed
inputs/outputs
Max. 256
Yes
Yes
Yes
Max. 3200 (can be set)
120
4
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