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Safety Instructions
ii DCS 500B / DCP 500B Operating Instructions
General warning: this symbol warns you of non-
electrical risks and dangers which may result in seri-
ous or even fatal injury to persons and/or in damage
to equipment. Where appropriate, the text printed ad-
jacent to this symbol describes how risks of this kind
may be avoided.
● When thyristor power converters are in use, the electric motors,
power transmission elements and the driven machines are work-
ing in an extended operating range, which means they have to
cope with a relatively high loading.
● You should have made sure that all units, devices and appli-
ances used are actually suitable for this higher loading.
● If you have to operate the thyristor power converter at a rated
motor voltage and/or a rated motor current significantly below
the figures stated in the thyristor power converter's output data,
you must take appropriate precautionary measures to protect the
unit against overspeed, overload, breakage, etc., by modifying
the software or hardware appropriately.
● For insulation testing, you must disconnect all cables from the
thyristor power converter. You should avoid operating your unit
at values other than the rated data. Non-compliance with these
instructions may cause lasting damage to the thyristor power
converter.
● The thyristor power converter possesses a number of automatic
reset functions. When these functions are executed, the unit will
be reset after an error and will then resume operation. These
functions should not be used if other units and devices are not
suitable for an operating mode of this kind, or if their use might
entail dangerous situations.
Warning of electrostatic discharge:
this symbol warns you against electrostatic discharges
which may damage the unit. Where appropriate, the
text printed next to this symbol describes how a risk of
this kind may be avoided.
3ADW000055R0401_DCS500B_Operating Instruction_e_d