Preface
1.1 Preface
S7-400H
20 System Manual, 03/2012, A5E00267695-11
● If you use long synchronization lines, you have to extend the monitoring time of the
connection at an H-CPU V6.0, see chapter Communication via fault-tolerant S7
connec
tions (Page 244).
● The startup time of the CPU at power on, the loading
time of blocks, as well mas the
startup after a plant modification at runtime can be significantly prolonged by encrypted
blocks; see chapter Encrypting blocks (Page 79).
● The following applies to PROFINET in the fault-tolerant sys
tem: The job must be
repeated if it is rejected with return value W#16#80BA when using SFB 52/53/54.
Basic knowledge required
This manual requires general knowledge of automation engineering.
Moreover, it is assumed that the readership has sufficient knowledge of computers or
equipment similar to a PC, such as programming devices, running under the Windows XP,
Windows Vista or Windows 7 operating system. An S7-400H is configured using the STEP 7
basic software, and you should thus be familiar in the handling of this basic software. This
knowledge is provided in the
Programming with STEP 7
manual.
In particular when operating an S7-400H system in potentially explosive atmospheres, you
should always observe the information on the safety of electronic control systems provided in
the appendix of the
S7-400 Automation System, Installation
manual.
Scope of the manual
The manual is relevant to the following components:
● CPU 412–5H; 6ES7 412–5HK06–0AB0 as of firmware V6.0
● CPU 414–5H; 6ES7 414–5HM06–0AB0 as of firmware V6.0
● CPU 416–5H; 6ES7 416–5HS06–0AB0 as of firmware V6.0
● CPU 417–5H; 6ES7 417–5HT06–0AB0 as of firmware V6.0
Approvals
For details on certifications and standards, refer to the
S7-400 Automation System, Module
Data
manual, Section 1.1, Standards and Certifications.
Further information
For more information on the topics covered in this manual, refer to the following manuals:
Programming with STEP 7 (http://support.automation.siemens.com/WW/vi
ew/en/18652056)
Configuring Hardware and Communication Connections with STEP 7
(http://support.automation.siemens.com/WW/vi
ew/en/18652631)
System and Standard Functions
(http://support.automation.siemens.com/WW/vi
ew/de/44240604/0/en)
PROFINET system description
(http://support.automation.siemens.com/WW/vi
ew/en/19292127)
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