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Parameter
Keypad and
structure
4.30
Current taper 2 end point
Bit
SP
Coding
Range
0 to 1000.0 %
Default
1000.0 %
Update rate
Background read
Defines the current at the end of taper 2.
4.31
Taper threshold 1 exceeded
Bit
SP
Coding
1
Update rate
Background read
Indicates when speed feedback has exceeded threshold 1.
4.32
Taper threshold 2 exceeded
Bit
SP
Coding
1
Update rate
Background write
Indicates when speed feedback has exceeded threshold 2.
Pr 4.07
Pr 4.29
One taper
4.33
Slew rate limit
Bit
SP
Coding
Range
0 to 60000 %s
Default
7000
Update rate
Background read
Applies a slew rate limit to the output of the current demand filter. This will then limit the maximum rate of change of current demand. Older types of
motor, especially if of non-laminated construction, may have a tendency to flash over if the rate of change of current is too high for the inherent lag of
the interpole winding.
Pr 4.33 is defined as allowed per unit change per second.
-1
Slew rate in amps s
= Pr 4.33 x DRIVE_CURRENT_MAX
Mentor MP Advanced User Guide
Issue Number: 4
format
Parameter description
FI
DE
Txt VM DP
ND
1
FI
DE
Txt VM DP
ND
FI
DE
Txt VM DP
ND
Current limit versus speed
Pr 4.07
Pr 4.29
Pr 4.30
Two tapers
FI
DE
Txt VM DP
ND
-1
www.onxcontrol.com
Advanced parameter
descriptions
RA
NC
NV
PT
US RW BU
1
1
RA
NC
NV
PT
US RW BU
Taper 1
RA
NC
NV
PT
US RW BU
Taper 2
RA
NC
NV
PT
US RW BU
1
1
Serial comms
Performance
protocol
PS
1
PS
PS
PS
1
Menu 4
67
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