V 1.6
3
The power supply must correspond to SELV
or PELV
standards. Power supplies as per EN
61558-2-6 (transformer), or as per EN 60950-1 (switched-mode power supply), meet this
requirement.
System configuration, installation, startup, maintenance, and testing of devices may only be
performed by an accredited, trained electrician familiar with automation technology safety
standards.
The safety and accident prevention regulations valid for specific applications must be observed
during the configuration, installation, startup, maintenance, and testing of devices.
Only cables and accessories may be installed, provided they conform to the requirements,
regulations, and specifications for safety, electromagnetic compatibility, and, where applicable,
telecommunications terminal equipment.
Information regarding cables and accessories approved for installation can be obtained from the
Murrelektronik subsidiary in your region, and may also be found in this manual.
Qualified Personnel
The requirements for qualified personnel are based on requirements profiles defined by ZVEI
and VDMA.
Only trained electricians who are familiar with the contents of the following manual may install
and service the described products: "Weiterbildung in der Automatisierungstechnik" (Further
Training in Automation Engineering), published by ZVEI and VDMA in the Maschinenbau-
Verlag, Postfach 710864 in 60498 Frankfurt, Germany.
These are persons who are capable of assessing the work to be done and the possible dangers
on account of their technical training, knowledge, experience, and knowledge of the relevant
standards; or who have an identical level of knowledge equivalent to technical training since
they have worked in the same area for many years.
Only Murrelektronik technical staff is allowed to make interventions in the hardware and
software of our products.
Unqualified alteration of hardware or software, or failure to heed the
warnings given in the manual, may result in severe personal injury or
damage to property.
1
Safety Extra Low Voltage
2
Protective Extra Low Voltage
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