Siemens SIMATIC S7-400H System Manual page 305

Communication
S5-compatible communication
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Number of simultaneous AG_SEND/AG_RECV
jobs
Standard communication (FMS)
Number of connection resources for S7
connections via all interfaces and CPs
Interfaces
Do not configure the CPU as a DP slave.
1. Interface
Type of interface
Physical properties
Isolated
Interface power supply (15 V DC to 30 V DC)
Number of connection resources
Functionality
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1. Interface in MPI mode
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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)
User data per job
Of which consistent
MPI
PROFIBUS DP
Services
PG/OP communication
Routing
S7 communication
Global data communication
S7 basic communication
Transmission rates
Using FC AG_SEND and AG_RECV, max. via 10
CP 443–1 or 443–5 modules
Max. 8 KB
240 bytes
Max. 64/64, see CP manual
Yes (by means of CP and loadable FC)
64, incl. one each reserved for PG and OP
Integrated
RS 485/Profibus
Yes
Max. 150 mA
MPI: 44, DP: 32
a diagnostic repeater in the chain reduces the
number of connection resources by 1
Yes
DP master
Yes
Yes
Yes
No
No
Max. 12 Mbps
Technical data
305