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FOREWORD
Operation
!
Warnings
MICROMASTERS operate at high voltages.
When operating electrical devices, it is impossible to avoid applying
hazardous voltages to certain parts of the equipment.
Emergency Stop facilities according to EN 60204 IEC 204 (VDE 0113) must
remain operative in all operating modes of the control equipment. Any
disengagement of the Emergency Stop facility must not lead to uncontrolled
or undefined restart.
Wherever faults occurring in the control equipment can lead to substantial
material damage or even grievous bodily injury (i.e. potentially dangerous
faults), additional external precautions must be taken or facilities provided to
ensure or enforce safe operation, even when a fault occurs (e.g. independent
limit switches, mechanical interlocks, etc.).
Certain parameter settings may cause the inverter to restart automatically
after an input power failure.
This equipment is capable of providing internal motor overload protection in
accordance with UL508C section 42. Refer to P0610 (level 3) and P0335, I
is ON by default. Motor overload protection can also be provided using an
external PTC via a digital input.
This equipment is suitable for use in a circuit capable of delivering not more
than 10,000 symmetrical amperes (rms), for a maximum voltage of 230/460V
when protected by a time delay fuse (see Table on page 102).
This equipment must not be used as an 'emergency stop mechanism' (see
EN 60204, 9.2.5.4)
Repair
!
Warnings
Repairs on equipment may only be carried out by Siemens Service, by
repair centers authorized by Siemens or by qualified personnel who are
thoroughly acquainted with all the warnings and operating procedures
contained in this manual.
Any defective parts or components must be replaced using parts contained in
the relevant spare parts list.
Disconnect the power supply before opening the equipment for access
Dismantling & Disposal
Notes
The inverter's packaging is re-usable. Retain the packaging for future use or
return it to the manufacturer.
Easy-to-release screw and snap connectors allow you to break the unit down
into its component parts. You can then re-cycle these component parts,
dispose of them in accordance with local requirements or return them to
the manufacturer.
MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
International English
2
T
9

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