Siemens SIMATIC S7-400H System Manual

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S7-
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400H
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SIMATIC
Fault-tolerant systems
S7-400H
System Manual
03/2012
A5E00267695-11
Preface
1
Fault-tolerant automation
systems
2
S7-400H setup options
3
Getting Started
4
Assembly of a CPU 41x–H
5
Special functions of a
CPU 41x-H
6
PROFIBUS DP
7
PROFINET
8
Consistent data
9
Memory concept
10
System and operating states
of the S7–400H
11
Link-up and update
12
Using I/Os in S7–400H
13
Communication
14
Configuring with STEP 7
15
Failure and replacement of
components during operation
16
System modifications during
operation
17
Continued on next page

Siemens SIMATIC S7-400H Specifications

General

CPU Type	S7-400H
Redundancy	Yes
Operating Temperature	0 to 60 °C
Programming language	STEP 7
Communication Interfaces	PROFIBUS, PROFINET, Industrial Ethernet
Backplane bus	S7-400
Operating voltage	24 V DC
Mounting	Rack mounting
Power Supply	24 V DC
CPU Types	Multiple variants available (e.g., 412-3H, 414-4H, 417-4H)