Technical Specifications
Communication Functions
Programming device/OP
communication
Number of connectable
OPs
Number of connection
resources for S7
connections via all
interfaces and CPs
Global data communication Yes
•
Number of GD circuits
•
Number of GD
packages
–
Sender
–
Receiver
•
Size of GD packages
–
Of which consistent 1 variable
S7 basic communication
•
User data per job
–
Of which consistent 16 Byte
S7 communication
•
User data per job
–
Of which consistent 1 variable (462 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
MPI
•
Utilities
–
Programming
device/OP
communication
–
Routing
–
Global data
communication
–
S7 basic
communication
–
S7 communication
•
Transmission rates
4-28
Yes
63 without message
processing,
16 with message
processing
64, with one each of those
reserved for PG and OP
Max. 16
Max. 16
Max. 32
Max. 64 bytes
Yes
Max. 76 bytes
Yes
Max. 64 Kbytes
Yes (via CP – max. 10 –
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: 44
DP: 32
Yes
DP master/DP slave
Yes
Yes
Yes
Yes
Yes
Up to 12 Mbps
DP Master
•
Utilities
–
Programming
Yes
device/OP
communication
–
Routing
Yes
–
Equidistance
Yes
–
SYNC/FREEZE
Yes
–
Enable/disable DP
Yes
slaves
•
Transmission rates
Up to 12 Mbps
•
Number of DP slaves
Max. 32
•
Address area
Max. 2 Kbytes inputs/2
Kbytes outputs
•
User data per DP slave
Maximum 244 bytes E, 244
bytes A, distributed over
244 slots each with 128
bytes
DP slave
•
Utilities
–
Monitor/modify
Yes, if the interface is active
Yes, if the interface is active
–
Programming
Yes, if the interface is active
–
Routing
•
DDB (GSD) file
http://www.ad.siemens.de/c
si_e/gsd
•
Transmission rate
Up to 12 Mbps
•
Intermediate memory
244 bytes inputs/ 244 bytes
outputs
–
Address areas
Max. 32
–
User data per
Max. 32 bytes
address area
32 bytes
–
Of which consistent
2nd Interface
Type of interface
Integrated
Physical
RS 485/Profibus
Isolated
Yes
Power supply to interface
Max. 150 mA
(15 VDC to 30 VDC)
Number of connection
32
resources
Functionality
•
PROFIBUS DP
DP master/DP slave
DP Master
•
Utilities
–
Programming
Yes
device/OP
communication
–
Routing
Yes
–
Equidistance
Yes
–
SYNC/FREEZE
Yes
–
Enable/disable DP
Yes
slaves
•
Transmission rates
Up to 12 Mbps
•
Number of DP slaves
Max. 125
Automation System S7-400 CPU Specifications
A5E00165965-01