Siemens Simatic M7-400 Reference Manual page 4

Preface
Changes Compared to the Previous Version
Since the previous version of the "Module Specifications" reference manual, the
following changes have been made:
• The descriptions of the CPU and the CPU relevant products and topics have
been put together in one manual, "CPU Specifications".
• The descriptions of the H CPUs and their associated products and topics have
been moved to the manual "S7–400 H Programmable Controller, Redundant
Systems"
Note: The previous version of this "Module Specifications" reference manual can
be recognized by the number in the footer: A5E00069467-06.
The current number is: A5E00069467-07.
Certification
The SIMATIC S7-400 product range has the following certificates:
• Underwriters Laboratories, Inc.: UL 508 (Industrial Control Equipment)
• Canadian Standards Association: CSA C22.2 Nummer 142 (Process Control
Equipment)
• Factory Mutual Research: Approval Standard Class Number 3611.
You can find details on the certificates and approvals in the reference manual
"Module Specifications".
CE Labeling
The SIMATIC S7-400 product range complies with the requirements and protection
objectives of the following EU directives:
• EC low voltage directive 73/23/EEC
• EC electromagnetic compatibility directive 89/336/EEC
C-Tick Mark
The SIMATIC S7-400 product range complies with the requirements of the
AS/NZS 2064 standard (Australia and New Zealand).
Standards
The SIMATIC S7-400 product range complies with the requirements and criteria of
the IEC 61131-2.
Place of this Documentation in the Information Environment
This manual forms part of the S7-400 and M7-400 documentation.
iv
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07