Notes on the documentation
EL1918 and EL1918-22008 Version: 2.0.0
1.3 Version history of the TwinSAFE product
This version history lists the software and hardware version numbers. A description of the changes
compared to the previous version is also given.
Updated hardware and software
TwinSAFE products are subject to a cyclical revision. We reserve the right to revise and change the
TwinSAFE products at any time and without prior notice.
No claims for changes to products already delivered can be asserted from these hardware and/or
software changes.
Date Software ver-
sion
Hardware
version
Modifications
First release of the EL1918-2200
2022-03-25 02 00 • New function blocks SBT and SLP
• Prevention of unauthorized firmware downgrade
• Updating the modules
2018-08-03 01 00 First release of the EL1918
1.4 References
No. Version Description
[1] / Not used.
[2] / Not used.
[3] 1.4.1 or newer Operating Manual for EL6910 TwinSAFE Logic Module
The document contains a description of the logic functions of the EL6910
and its programming.
[4] 3.1.0 or newer Dokumentation TwinSAFE-Logic-FB
The document describes the safety-related function blocks that are
available in the EL6910 and thus also in the TwinSAFE card and form the
safety-related application.
[5] 3.1.0 or newer TwinSAFE Application Guide
The application guide provides the user with examples for the calculation of
safety-related parameters for safety functions according to the standards
DIN EN ISO 13849-1 and EN 62061 or EN 61508:2010, as they are
typically used on machines.
[6] 2006/42/EG Directive 2006/42/EC of the European Parliament and of the Council of
17 May 2006 on machinery and amending Directive 95/16/EC (recast)
of 9.6.2006
This directive, also known as the Machinery Directive, defines requirements
for the placing on the market of machines and machine-like components,
such as safety components.
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