Nord Drivesystems NORDAC FLEX SK 215E Series User Manual

NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
140 BU 0200 en-3118
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P103
Braking time
(Braking time)
P
0 ... 320.00 sec
{ 2.00 }
The braking time is the time corresponding to the linear frequency reduction from the set
maximum frequency to 0 Hz (P105). If an actual setpoint <100 % is being used, the deceleration
time reduces accordingly.
The braking time can be extended by certain circumstances, e.g. by the selected >Switch-off
mode< (P108) or >Ramp smoothing< (P106).
NOTE:
Care must be taken that the parameter values are realistic. A setting of P103
= 0 is not
permissible for drive units!
Notes concerning ramp steepness: see parameter (P102)
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P104
Minimum frequency
(Minimum frequency)
P
0.0 ... 400.0 Hz
{ 0.0 }
The minimum frequency is the frequency supplied by the FI as soon as it is enabled and no
additional setpoint is set.
In combination with other setpoints (e.g. analog setpoint of fixed frequencies) these are added to
the set minimum frequency.
This frequency is undershot when
a. the drive is accelerated from standstill.
b. The FI is blocked. The frequency then reduces to the absolute minimum (P505) before it is
blocked.
c. The FI reverses. The reverse in the rotation field takes place at the absolute minimum
frequency (P505).
This frequency can be continuously undershot if, during acceleration or braking, the function
"Maintain frequency" (Function Digital input = 9) is executed.
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P105
Maximum frequency
(Maximum frequency)
P
0.1 ... 400.0 Hz The frequency supplied by the FI after being enabled and once the maximum setpoint is present,
e.g. analogue setpoint corresponding to P403, a correspondingly fixed frequency or maximum via
the SimpleBox / ParameterBox.
This frequency can only be overshot by the slip compensation (P212), the fu
nction "Maintain
frequency" (function digital input = 9) or a change to another parameter set with lower maximum
frequency.
Maximum frequencies are subject to certain restrictions, e.g.
• Restrictions in weak field operation,
• Compliance with mechanically permissible speeds,
• PMSM: Maximum frequency restricted to a value that is slightly above the nominal frequency.
This value is calculated from the motor data and the input voltage.
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{ 50.0 } DIP7 = off
{ 60.0 } DIP7 = on
(chapter 4.3.2.2)
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Nord Drivesystems NORDAC FLEX SK 215E Series Specifications

General

Brand	Nord Drivesystems
Model	NORDAC FLEX SK 215E Series
Category	Inverter
Language	English