Siemens SIMATIC S7-400H System Manual page 295

Configuration
Central units/expansion units
Multicomputing
Number of plug-in IMs (total)
•
•
Number of DP masters
•
•
Operable FMs and CPs
•
•
•
Connectable OPs
Time
Clock
•
•
Maximum deviation per day
•
•
Operating hours counter
•
•
•
•
Clock synchronization
•
Time difference in the system with
synchronization via MPI
S7-400H
System Manual, 09/2007, A5E00267695-03
17.2 Technical specifications of the CPU 414–4H; (6ES7 414–4HM14–0AB0)
IM 460
IM 463–2
Integrated
Via CP 443–5 Ext.
FM, CP (point-to-point)
see Appendix E
CP 441
PROFIBUS and Ethernet CPs including
CP 443–5 Extended
Buffered
Resolution
Power off (backed up)
Power on (not backed up)
Number
Range of values
Granularity
Retentive
In AS, on MPI and DP
Max. 1/21
No
Max. 6
Max. 6
Max. 4, in stand-alone mode only
2
Max. 10
Limited by the number of slots and the number of
connections
Limited by the number of connections, maximum
of 30
Maximum 14, of which max. 10 CPs as DP masters
31 without message processing, 8 with message
processing
Yes
Yes
1 ms
1.7 s
8.6 s
8
0 to 7
0 to 32767 hours
1 hour
Yes
Yes
As master or slave
Max. 200 ms
Technical data
295