Deceleration Rate Select Bit 2
(02.037)
Deceleration Rate Select Bit 1
(02.036)
Deceleration Rate Select Bit 0
(02.035)
Deceleration rate
selected
0 0 0
Deceleration Rate 1
(02.021)
0 0 1
Deceleration Rate 2
(02.022)
0 1 0
Deceleration Rate 3
(02.023)
0 1 1
Deceleration Rate 4
(02.024)
1 0 0
Deceleration Rate 5
(02.025)
1 0 1
Deceleration Rate 6
(02.026)
1 1 0
Deceleration Rate 7
(02.027)
1 1 1
Deceleration Rate 8
(02.028)
Parameter 02.021 Deceleration Rate 1
Short description Defines the deceleration rate present in deceleration rate 1
Mode Open‑Loop
Minimum −VM_ACCEL_RATE Maximum VM_ACCEL_RATE
Default 20.0 Units s
Type 32 Bit User Save Update Rate 4ms read
Display Format Standard Decimal Places 1
Coding RW, VM
Deceleration Rate 1 (02.021) to Deceleration Rate 8 (02.028) can be selected to define the linear ramp rate. The deceleration rate applies when the
frequency/speed is changing towards zero.
Selecting a ramp rate that has been set to zero in Open-loop mode disables the ramp system so that the Post Ramp Reference (02.001) follows thePre-
ramp Reference (01.003) without any delay for acceleration or deceleration. It should be noted that this also disables the standard ramp d.c. link voltage
controller and the frequency based current limits.
The units of Deceleration Rate 1 (02.021) to Deceleration Rate 8 (02.028) are s / Ramp rate frequency or s / Ramp rate speed. See Ramp Rate Units
(02.039) for the definition of Ramp rate frequency and Ramp rate speed.
Parameter 02.022 Deceleration Rate 2
Short description Defines the deceleration rate present in deceleration rate 2
Mode Open‑Loop
Minimum −VM_ACCEL_RATE Maximum VM_ACCEL_RATE
Default 20.0 Units s
Type 32 Bit User Save Update Rate 4ms read
Display Format Standard Decimal Places 1
Coding RW, VM
See Deceleration Rate 1 (02.021).
Parameter 02.023 Deceleration Rate 3
Short description Defines the deceleration rate present in deceleration rate 3
Mode Open‑Loop
Minimum −VM_ACCEL_RATE Maximum VM_ACCEL_RATE
Default 20.0 Units s
Type 32 Bit User Save Update Rate 4ms read
Display Format Standard Decimal Places 1
Coding RW, VM
See Deceleration Rate 1 (02.021).
Parameter 02.024 Deceleration Rate 4
Short description Defines the deceleration rate present in deceleration rate 4
Mode Open‑Loop
Minimum −VM_ACCEL_RATE Maximum VM_ACCEL_RATE
Default 20.0 Units s
Type 32 Bit User Save Update Rate 4ms read
Display Format Standard Decimal Places 1
Coding RW, VM
See Deceleration Rate 1 (02.021).
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