Siemens SIMATIC S7-400H System Manual page 398

Technical data
20.2 Technical specifications of the CPU 414–5H PN/DP; (6ES7 414-5HM06–0AB0)
Clock


Maximum deviation per day


Operating hours counter




Time synchronization

Time difference in the system with
synchronization via MPI
Time difference in the system with
synchronization via Ethernet
Number of stations that can be logged on
For block-related alarms with SFC (Alarm_S/SQ
and/or Alarm_D/DQ)
For block-related alarms with SFB (Notify,
Notify_8, Alarm, Alarm_8, Alarm 8P)
Block-related alarms with SFC

Block-related alarms with SFB


Process control alarms
Number of archives that can be logged on
simultaneously (SFB 37 AR_SEND)
398
Buffered
Resolution
Power off (backed up)
Power on (not backed up)
Number/number range
Range of values
Granularity
Retentive
In AS, on MPI and DP
Simultaneously active Alarm_S/SQ blocks or
Alarm_D/DQ blocks
Number of communication jobs for block-
related alarms with SFC and blocks for S7
communication (programmable)
Default
Time
Yes
Yes
1 ms
1.7 s
8.6 s
16
0 to 15
0 to 32767 hours
0 to 2 -1 hours when SFC 101 is used
31
1 hour
Yes
Yes
As master or slave
Max. 200 ms
Max. 10 ms
S7 alarm functions
63
8
Yes
Maximum 400
Yes
Maximum 2500
900
Yes
16
System Manual, 03/2012, A5E00267695-11
S7-400H