Notes on the documentation
EP1957-0022 and EP1957-22228 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 EP1957-2222
31/07/2018 01 00 First release of the EP1957-0022
1.4 Staff qualification
These operating instructions are intended exclusively for trained specialists in control technology and
automation with the relevant knowledge.
The trained specialist personnel must ensure that the applications and use of the described product meet all
safety requirements. This includes all applicable and valid laws, regulations, provisions and standards.
Trained specialists
Trained specialists have extensive technical knowledge from studies, apprenticeships or technical training.
Understanding of control technology and automation is available. Trained specialists can:
• Independently identify, avoid and eliminate sources of hazard.
• Apply relevant standards and directives.
• Implement specifications from accident prevention regulations.
• Evaluate, prepare and set up the workplaces.
• Evaluate, optimize and execute work independently.
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