Communication - Siemens SIMATIC S7-400H System Manual

Technical data
17.2 Technical specifications of the CPU 414–4H; (6ES7 414–4HM14–0AB0)
S7 message functions
Number of stations that can log on for message
functions (for example WIN CC or SIMATIC OP)
Block-related messages
•
Alarm_8 blocks
•
•
Process control messages
Number of archives that can log on
simultaneously (SFB 37 AR_SEND)
Test and commissioning functions
Status/modify variable
•
•
Force
•
•
Status LED
Status block
Single step
Number of breakpoints
Diagnostic buffer
•
•

Communication

PG/OP communication
Routing
S7 communication
•
•
S7 basic communication
Global data communication
296
Simultaneously active Alarm_S/SQ blocks
and Alarm_D/DQ blocks
Number of communication jobs for ALARM_8
blocks and blocks for S7 communication
(selectable)
Preset
Variable
Number of variables
Variable
Number of variables
Number of entries
Preset
User data per job
Of which consistent
Max. 8
Yes
Max. 100
Yes
Max. 1200
900
Yes
16
Yes
Inputs/outputs, bit memory, DB, distributed
inputs/outputs, timers, counters
Max. 70
Yes
Inputs/outputs, bit memory, distributed
inputs/outputs
Max. 256
Yes, FRCE-LED
Yes
Yes
4
Yes
Maximum 3200 (selectable)
120
Yes
Yes
Yes
Max. 64 KB
1 variable (462 bytes)
No
No
System Manual, 09/2007, A5E00267695-03
S7-400H