Technical data
20.1 Technical specification of the CPU 412–5H PN/DP; (6ES7 412-5HK06–0AB0)
S7-400H
386 System Manual, 03/2012, A5E00267695-11
PROFIBUS and Ethernet CPs, including CP
443–5 Extended
Maximum 14, of which max. 10 CPs as DP
masters
Connectable OPs 47
Time
Clock (real-time clock) Yes
Buffered
Yes
Resolution
1 ms
Maximum deviation per day
Power off (backed up)
1.7 s
Power on (not backed up)
8.6 s
Operating hours counter 16
Number/number range
0 to 15
Range of values
SFC 2, 3 and 4:0 to 32767 hours
0 to 2
31
-1 hours when SFC 101 is used:
Granularity
1 hour
Retentive
Yes
Time synchronization Yes
In AS, on MPI, DP and Ethernet MMS
As master or slave
On Ethernet over NTP
As client
Time difference in the system with
synchronization via MPI
Max. 200 ms
Time difference in the system with
synchronization via Ethernet
Max. 10 ms
S7 alarm functions
Number of stations that can be logged on
For block-related alarms with SFC (Alarm_S/SQ
and/or Alarm_D/DQ)
47
For block-related alarms with SFB (Notify,
Notify_8, Alarm, Alarm_8, Alarm 8P)
8
Block-related alarms with SFC Yes
Simultaneously active Alarm_S/SQ blocks or
Alarm_D/DQ blocks
Maximum 250
Block-related alarms with SFB Yes
Number of communication jobs for block-
related alarms with SFC and blocks for S7
communication (programmable)
Maximum 600
Default
300
Process control alarms Yes
Number of archives that can be logged on
simultaneously (SFB 37 AR_SEND)
16
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