Siemens SIMATIC S7-400H System Manual page 307

2. Interface in DP master mode
Services
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Transmission rates
Number of DP slaves
Address area
User data per DP slave
Note:
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3. and 4th interface
Type of interface
Usable interface module
Length of the synchronization cable
Programming
Programming language
Instruction set
Nesting levels
System functions (SFC)
Number of simultaneously active SFCs per chain
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S7-400H
System Manual, 09/2007, A5E00267695-03
17.3 Technical specifications of the CPU 417–4H; (6ES7 417–4HT14–0AB0)
PG/OP communication
Routing
S7 communication
Global data communication
S7 basic communication
Constant bus cycle time
SYNC/FREEZE
Enable/disable DP slaves
Direct data exchange
(slave-to-slave communication)
The total sum of the input bytes across all slots may not exceed 244.
The total sum of the output bytes across all slots may not exceed 244.
The address range of the interface (maximum 8 KB inputs / 8 KB outputs) must not be exceeded
in total across all 125 slaves.
SFC 59 "RD_REC"
SFC 58 "WR_REC"
SFC 55 "WR_PARM"
SFC 57 "PARM_MOD"
Yes
Yes
Yes
No
No
No
No
No
No
Max. 12 Mbps
Max. 125
Maximum 8 KB inputs / 8 KB outputs
Maximum 244 bytes
Maximum 244 bytes inputs,
Maximum 244 bytes outputs,
Maximum 244 slots
Maximum 128 bytes per slot
Plug-in synchronization module (fiber-optic cable)
Synchronization module IF 960 (only in redundant
mode; in stand-alone mode the interface is
free/covered)
Max. 10 km
LAD, FBD, STL, SCL, CFC, Graph, HiGraph®
See instruction list
8
See instruction list
8
8
8
1
Technical data
307