Lenze 520 Series - Commissioning; Seu~Ng the Current Limit

58 4Q - DC Chopper 520 series
7. COMMISSIONING
Prior to commissioning make sure that all connections correspond to the connecting
diagram and that the bad current circuit has no earth fault.
Note: The45-turn trimmers generate audible nolses ds4eto the coupIin~inside
the potentsometer.
Presetting
Turn trimmers ‚max~ nmax, lxR and ULeit fully CCW.
Turn trimmers n
0ff and Vp to medium position.
7.1 SETTING THE CURRENT LIMIT
The controller may operated in the overcurrent range for a short time, e.g. when
operating drives, which require a higher breakaway torque. The maximum operating
time can be obtained from the following figure.
Aus
Warnlng! AU power terminals ~arry voltage up to 30 seconds after rr*ains
d~sconriec~on. When the mains is ~onnected again. LED *Vcc must not
be Ulurriinated any rnore <after approx, 30 .s), otherwise the interri~1 fuse
b1ow~
—. t
Caution: The permissible controller output ~urrent ~I .6
1~m) must flOt be
exoeedad.
Lenze