23
L
5 Commissioning
Turn trimmers "n
min
", "n
max
", "V
p
", "I · R" fully counterclockwise.
Trimmers "U
Leit grob
" and "U
Leit fein
" are factory-set for the set-
value potentiometer connection as a standard.
Only if a master voltage is used: "U
Leit grob
" must be turned fully
counterclockwise and "U
Leit fein
"
to a middle position for the
subsequent base setting.
Trimmer "I
max
" is factory-set to rated controller current.
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
min
" fully clockwise and connect the mains.
Turn trimmer "I
max
" to adjust the armature current.
Then turn trimmer "n
min
" fully counterclockwise.
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