Siemens SIMATIC S7-400H Manual page 282

Technical Specifications
Communication Functions
Programming device/OP
communication
Number of connectable
OPs
Number of connection
resources for S7
connections via all
interfaces and CPs
S7 communication
S7 basic communication
Global data communication
•
User data per job
– Of which consistent 32 bytes
S5-compatible
communication
•
User data per job
– Of which consistent 240 bytes
Standard communication
(FMS)
Interfaces
1st Interface
Type of interface
Physical
Isolated
Power supply to interface
(15 VDC to 30 VDC)
Number of connection
resources
Functionality
•
MPI
•
PROFIBUS DP
13-4
Yes
8 with message processing
31 without message
processing
32, with one each of those
reserved for PG and OP
Yes
no
no
Max. 64 Kbytes
yes (via CP –max. 10
simultaneously– and FC
AG_SEND and FC
AG_RECV)
Max. 8 Kbytes
yes (via CP and loadable
FB)
Integrated
RS 485/Profibus
Yes
Max. 150 mA
MPI: 32
DP: 16
Yes
DP Master
1st Interface in MPI mode
•
Utilities
– Programming
device/OP
communication
– Routing
– Global data
communication
– S7 basic
communication
– S7 communication
•
Transmission rates
1st Interface in DP mode
•
Utilities
– Programming
device/OP
communication
– Routing
– Global data
communication
– S7 basic
communication
– S7 communication
– Equidistance
– SYNC/FREEZE
– Enable/disable DP
slaves
•
Transmission rates
•
Number of DP slaves
•
Address area
•
User data per DP slave
2nd Interface
Type of interface
Physical
Isolated
Power supply to interface
(15 VDC to 30 VDC)
Number of connection
resources
Automation System S7-400H Fault-tolerant Systems
Yes
Yes
No
No
Yes
Up to 12 Mbps
Yes
Yes
no
no
yes
No
No
No
Up to 12 Mbps
Max. 32
Max. 2 Kbytes inputs/
2 Kbytes outputs
Maximum of 244 bytes E,
maximum of 244 bytes A,
divided into 244 Slots with
128 bytes each
Integrated
RS 485/Profibus
Yes
Max. 150 mA
16
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