Low Frequency Thermal Protection Mode; Percentage Torque; Motor Protection Accumulator Power-Up Value; User Over Current Trip Level - Emerson Unidrive M200 Parameter Reference Manual

Parameter

04.025 Low Frequency Thermal Protection Mode

Short description Set to enable low frequency thermal protection mode
Mode Open‑loop
Minimum 0
Default 0
Type 8 Bit User Save
Display Format Standard
Coding RW
See Motor Thermal Time Constant 1 (04.015).
Parameter

04.026 Percentage Torque

Short description Displays the torque producing current as a percentage or motor rated current
Mode Open‑loop
Minimum −VM_USER_CURRENT
Default
Type 16 Bit Volatile
Display Format Standard
Coding RO, FI, VM, ND, NC, PT
Percentage Torque (04.026) gives the Torque Producing Current (04.002) as a percentage of the rated torque producing current for the motor, but with
an additional adjustment above rated frequency so that it gives percentage torque. Below rated frequency, Percentage Torque (04.026)
= Percentage Load (04.020). Above rated frequency, the Percentage Torque (04.026) is adjusted as follows:
Percentage Torque (04.026) = Percentage Load (04.020) x Motor Rated Frequency (05.006) / Output Frequency (05.001)
Parameter

04.036 Motor Protection Accumulator Power-up Value

Short description Defines the initial power-up value of the motor protection accumulator
Mode Open‑loop
Minimum 0
Default 0
Type 8 Bit User Save
Display Format Standard
Coding RW, TE
Value Text
0 Pr.dn
1 0
2 Real t
See Motor Thermal Time Constant 1 (04.015).
Parameter

04.041 User Over Current Trip Level

Short description Defines the trip level for the user over-current trip as a percentage of the drive over current trip level.
Mode Open‑loop
Minimum 0
Default 100
Type 8 Bit User Save
Display Format Standard
Coding RW, RA
The User Over-Current Trip protection level in % of Full Scale Current Kc (11.061) which is the full scale current in r.m.s. Amps. The User Over-Current
Trip may be used to limit the output current of the drive when supplying a motor with a lower current rating than the drive. If the value
of User Over Current Trip Level (04.041) is set at 100%, the user over-current trip is disabled.
Unidrive M200 Parameter Reference Guide
Issue: 01.05.00.10
Maximum 1
Units
Update Rate Background read
Decimal Places 0
Maximum VM_USER_CURRENT
Units %
Update Rate Background read
Decimal Places 1
Maximum 2
Units
Update Rate Background write
Decimal Places 0
Maximum 100
Units %
Update Rate Background read
Decimal Places 0
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