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Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 07/18
CERTUS Installation Manual
Introduction
Contents of this Handbook
This handbook describes how to use the Certus programmable safety module and its
expansion units (“SLAVES”); it includes:
• a description of the system
• method of installation
• connections
• signals
• troubleshooting
• use of the configuration software
Important safety instructions
The Certus is built to the following safety levels: SIL 3, SILCL 3, PL e, Cat. 4, Type 4 in
accordance with the applicable standards. However, the definitive SIL and PL of the
application will depend on the number of safety components, their parameters and the
connections that are made, as per the risk analysis.
Read the “Applicable Standards” section carefully.
Perform an in-depth risk analysis to determine the appropriate safety level for your
specific application, on the basis of all the applicable standards.
Programming/configuration of the Certus is the sole responsibility of the installer or user.
The device must be programmed/configured in accordance with the application specific
risk analysis and all the applicable standards.
Once you have programmed/configured and installed the Certus and all the relative
devices, run a complete application safety test (see “TESTING the system”, page 57).
Always test the complete system whenever new safety components are added (see the
“TESTING the system” section, page 57).
Carlo Gavazzi is not responsible for these operations or any risks in connection there
with.
Reference should be made to the handbooks and the relative product and/or
application standards to ensure correct use of devices connected to the Certus within
the specific application.
The ambient temperature in the place where the system is installed must be compatible
with the operating temperature parameters stated on the product label and in the
specifications.
For all matters concerning safety, if necessary, contact your country’s competent safety
authorities or the competent trade association.
This safety alert symbol indicates a potential personal safety hazard. Failure to comply
with instructions bearing this symbol could pose a very serious risk to personnel.
⇒
This symbol indicates an important instruction