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Parameter
Keypad and
structure
5.55
Flux / Voltage demand
Bit
SP
Coding
±120.0 %
Range
Update rate
Mains period / 6 ms
When in current mode the flux demand from the field weakening voltage loop, subject to the limits of Pr 5.68 and Pr 5.69.
When in voltage mode [Pr 5.75=On (1)] the voltage demand is subject to the limits of Pr 5.68 and Pr 5.69.
5.56
Field current feedback
{di09, 0.44}
Bit
SP
Coding
±50.00A
Range
Update rate
Background write
Indicates the field current feedback in 0.01 amps.
5.57
Percentage voltage demand
Bit
SP
Coding
±150.0 %
Range
Update rate
Background write
The range is 0 to 150 % in half control mode for the internal field controller.
5.58
Field Firing angle
Bit
SP
Coding
o
Range
0 to 180
Update rate
Background write
0° equals fully phased forward.
5.59
Back emf set point
Bit
SP
Coding
0 to ARMATURE_VOLTAGE_MAX Vdc
Range
For 480V Drive: Eur: 440, USA 500
Default
For 575V Drive: Eur: 630, USA 630
For 690V Drive: Eur: 760, USA 760
Second motor
Pr 21.08
parameter
Update rate
Background read
The programmable value of the armature back emf, in volts, at which the field begins to weaken.
Defined as the voltage at which base speed is reached.
5.60
Field output voltage
Bit
SP
Coding
0 to 500 Vdc
Range
Update rate
Background write
The calculated voltage being generated on the field output terminals.
Mentor MP Advanced User Guide
Issue Number: 4
description format
Parameter
Parameter x.00
FI
DE
TE
VM DP
ND
1
1
1
FI
DE
TE
VM DP
ND
1
2
1
FI
DE
TE
VM DP
ND
1
1
1
FI
DE
TE
VM DP
ND
1
1
1
FI
DE
TE
VM DP
ND
1
FI
DE
TE
VM DP
ND
1
1
www.onxcontrol.com
Advanced parameter
descriptions
RA
NC NV
PT
US RW BU
1
1
RA
NC NV
PT
US RW BU
1
1
RA
NC NV
PT
US RW BU
1
1
RA
NC NV
PT
US RW BU
1
1
RA
NC NV
PT
US RW BU
1
1
RA
NC NV
PT
US RW BU
1
1
Serial comms
Performance
protocol
PS
PS
PS
PS
1
PS
1
PS
Menu 5
87
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