Control Techniques Digitax ST Advanced User's Manual page 77

Parameter Keypad and
structure display
4.19 Overload accumulator
Bit SP
Coding
Range 0 to 100.0 %
Update rate Background write
See Pr 4.16 on page 75.
4.20 Percentage load
Bit SP
Coding
Range ±USER_CURRENT_MAX %
Update rate Background write
This parameter displays the actual torque producing current (Pr 4.02) as a percentage of rated active current. Positive values indicate motoring and
negative values indicate regenerating.
4.22 Inertia compensation enable
Bit SP
Coding
1
Default 0
Update rate Background read
If this parameter is set to one, the drive calculates a torque reference from the motor and load inertia (Pr 3.18) and the rate of change of speed
reference. The torque reference is added to the speed controller output to provide inertia compensation. This can be used in speed control
applications to produce the torque required to accelerate or decelerate the load inertia.
4.23 Current demand filter 2
Bit SP
Coding
Range 0.0 to 25.0 ms
Default 0.0
Update rate Background read
The current demand filter time constant is defined by this parameter if the speed gain select (Pr 3.16) is one.
4.24 User current maximum scaling
Bit SP
Coding
Range 0.0 to TORQUE_PROD_CURRENT_MAX %
Default 300
Update rate Background read
The maximum for Pr 4.08 and Pr 4.20 is defined by this parameter
4.25 Low speed thermal protection mode
Bit SP
Coding
1
Default 0
Update rate Background read
See Pr 4.16 on page 75.
Digitax ST Advanced User Guide
Issue Number: 1
Parameter
Parameter x.00
description format
FI DE Txt VM DP ND
1 1
FI DE Txt VM DP ND
1 1 1 1
FI DE Txt VM DP ND
FI DE Txt VM DP ND
1
FI DE Txt VM DP ND
1 1
FI DE Txt VM DP ND
www.controltechniques.com
Advanced parameter Serial comms
descriptions protocol
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 1
RA NC NV PT US RW BU
1 1
Electronic
Performance
nameplate
PS
1
PS
PS
PS
1
PS
1
PS
Menu 4
77