Specifications

Safety guidelines
MELSEC-L Series Quick start guide I
Safety guidelines
For use by qualified staff only
This manual is only intended for use by properly trained and qualified electrical technicians who are
fully acquainted with the relevant automation technology safety standards. All work with the hard-
ware described, including system design, installation, configuration, maintenance, service and test-
ing of the equipment, may only be performed by trained electrical technicians with approved qual-
ifications who are fully acquainted with all the applicable automation technology safety standards
and regulations. Any operations or modifications to the hardware and/or software of our products
not specifically described in this manual may only be performed by authorised Mitsubishi Electric
staff.
Proper use of the products
The programmable controllers of the MELSEC L series are only intended for the specific applications
explicitly described in this manual. All parameters and settings specified in this manual must be ob-
served. The products described have all been designed, manufactured, tested and documented in
strict compliance with the relevant safety standards. Unqualified modification of the hardware or
software or failure to observe the warnings on the products and in this manual may result in serious
personal injury and/or damage to property. Only peripherals and expansion equipment specifically
recommended and approved by MITSUBISHI ELECTRIC may be used with the programmable control-
lers of the MELSEC L series.
All and any other uses or application of the products shall be deemed to be improper.
Relevant safety regulations
All safety and accident prevention regulations relevant to your specific application must be observed
in the system design, installation, configuration, maintenance, servicing and testing of these pro-
ducts. The regulations listed below are particularly important in this regard. This list does not claim to
be complete; however, you are responsible for being familiar with and conforming to the regulations
applicable to you in your location.
● VDE Standards
– VDE 0100
Regulations for the erection of power installations with rated voltages below 1000 V
– VDE 0105
Operation of power installations
– VDE 0113
Electrical installations with electronic equipment
– VDE 0160
Electronic equipment for use in power installations
– VDE 0550/0551
Regulations for transformers
– VDE 0700
Safety of electrical appliances for household use and similar applications
– VDE 0860
Safety regulations for mains-powered electronic appliances and their accessories for house-
hold use and similar applications.
● Fire safety regulations
● Accident prevention regulation
–VBG No. 4
Electrical systems and equipment