Vector control
5.9 Vdc control
Drive functions
242 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
● activate the V
dc_max
control:
– Vector control: p1240 = 1 (factory setting)
– Servo control: p1240 = 1
– V/f control: p1280 = 1 (factory setting)
● Inhibit V
dc_max
control:
– Vector control: p1240 = 0
– Servo control: p1240 = 0 (factory setting)
– V/f control: p1280 = 0
● Activate the V
dc_max
monitoring
– Vector control: p1240 = 4 or 6
– Servo control: p1240 = 4 or 6
– V/f control: p1280 = 4 or 6
Unexpected motion of individual drives
If several Motor Modules are supplied from one infeed unit, then if the V
dc_max
control is
incorrectly parameterized, individual drives can accelerate in an uncontrolled fashion -
which can lead to death or severe injury.
• Only activate the V
dc_max
control for the Motor Module whose drive has the highest
moment of inertia.
• Inhibit this function for all other Motor Modules, or set this function to monitoring only.
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