Commissioning; Setting The Current Limit - Lenze 482 Operating Instructions Manual

5

Commissioning

Turn trimmers "n ", "n
min
Trimmers "U " and "U
Leit grob
value potentiometer connection as a standard.
Only if a master voltage is used: "U
counterclockwise and "U
subsequent base setting.
Trimmer "I " is factory-set to rated controller current.
max
5.1

Setting the current limit

The current limit only needs to be set if the motor current is lower
than the rated controller current.
Connect a moving coil meter in the armature circuit to measure the
current. Block the armature or disconnect the field.
Caution:
Observe the current capacity of the motor at standstill!
Turn trimmer "n " fully clockwise and connect the mains.
min
Turn trimmer "I " to adjust the armature current.
max
Then turn trimmer "n
min
L
", "V ", "I · R" fully counterclockwise.
max p
" are factory-set for the set-
Leit fein
" must be turned fully
Leit grob
" to a middle position for the
Leit fein
" fully counterclockwise.
23