
NOTICE
Safety extra-low voltage circuits
The remote control circuits are equipped with dry contact outputs (30 V - 40 A max). Overvoltages
and overcurrents can result in internal electrical damage. Users must observe the following wiring
conditions:
►Connect these outputs in compliance with safety extra-low voltage (SELV) circuit rules and safety
standards.
►The voltage applied to these contacts should be less than 30 V and the current less than 40 A.
2.1.2 Precautions
Duty to provide information on potential dangers
The product holder or user is obliged to make all operating personnel aware of dangers
posed by this product.
Every person who is involved in the installation, operation or maintenance of the product
must read, understand and adhere to the safety-related parts of this document.
Infringement of conformity due to modifications to the product
The Declaration of Conformity from the manufacturer is no longer valid if the operator
changes the original product or installs additional equipment.
●Following the installation into a system, the operator is required to check and re-evalu-
ate the conformity of the overall system in the context of the relevant European Direc-
tives, before commissioning that system.
Only qualified personnel trained in safety regulations (EMC, electrical safety, chemical pollution) are au-
thorized to carry out the installation and maintenance described in this manual. Our service centers can
provide the necessary training.
►Follow the safety and accident prevention requirements (see chapter “Safety instructions”).
►Do not turn on the product if the cover is not in place.
2.2 Intended use
The communication interface is intended to be integrated into a leak detector from the manufacturer
Pfeiffer Vacuum (see chapter “Products concerned”).
The communication interface enables the leak detector to communicate with a PLC (at the customer's
expense).
The communication interface must be used in conjunction with the leak detector operating instructions
(see chapter "Applicable documents").
2.3 Foreseeable misuse
Misuse of the product will render the warranty and any claims void.
Any use, whether intended or not, that diverges from the uses already mentioned will be treated as non-
compliant.
Safety
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