Safety instructions
General safety and application notes for Lenze controllers
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EDBMB935X EN 8.0
Electrical connection
When working on live controllers, observe the applicable national regulations
for the prevention of accidents (e.g. VBG 4).
The electrical installation must be carried out according to the appropriate
regulations (e.g. cable cross−sections, fuses, PE connection). Additional
information can be obtained from the documentation.
This documentation contains information on installation in compliance with
EMC (shielding, earthing, filters, and cables). These notes must also be observed
for CE−marked controllers. The manufacturer of the system is responsible for
compliance with the limit values demanded by EMC legislation. The controllers
must be installed in housings (e.g. control cabinets) to meet the limit values for
radio interferences valid at the site of installation. The housings must enable an
EMC−compliant installation. Observe in particular that e.g. the control cabinet
doors have a circumferential metal connection to the housing. Reduce housing
openings and cutouts to a minimum.
Lenze controllers can cause a direct current in the protective conductor. If a
residual current device (RCD) is used as a protective means in case of direct or
indirect contact, only a residual current device (RCD) of type B may be used on
the current supply side of the controller. Otherwise, another protective measure
such as separation from the environment through double or reinforced
insulation or disconnection from the mains by means of a transformer must be
applied.
Operation
If necessary, systems including controllers must be equipped with additional
monitoring and protection devices according to the valid safety regulations (e.g.
law on technical equipment, regulations for the prevention of accidents). The
controllers can be adapted to your application. Please observe the
corresponding information given in the documentation.
After the controller has been disconnected from the supply voltage, all live
components and power connections must not be touched immediately because
capacitors can still be charged. Please observe the corresponding stickers on the
controller.
All protection covers and doors must be shut during operation.
Notes for UL−approved systems with integrated controllers: UL warnings are
notes that only apply to UL systems. The documentation contains special UL
notes.
Safety functions
Special controller variants support safety functions (e.g. "safe torque off",
formerly "safe standstill") according to the requirements of Appendix I No. 1.2.7
of the EC Directive "Machinery" 98/37/EC, EN 954−1 Category 3 and EN 1037.
Strictly observe the notes on the safety functions given in the documentation
for the respective variants.
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