Foreword
EL19188 Version: 1.2.0
1.4 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.
A description of how a firmware (software) update can be performed can be found in chapter Firmware
update of TwinSAFE products [}50].
Date Software ver-
sion
Hardware
version
Modifications
03.08.2018 01 00 First release of the EL1918
1.5 References
No Version Title / description
[1] 1.6.0 or newer Operating instructions for EL6910
The document contains a description of the logic functions of the EL6910
and their programming
[2] 3.1.0 or newer Documentation – TwinSAFE Logic FB
The document describes the safety function blocks that are available in the
EL6910 and form the safety application.