Deceleration Rate Select Bit 2; Ramp Rate Units; S Ramp Percentage - Emerson Unidrive M200 Parameter Reference Manual

Parameter

02.037 Deceleration Rate Select Bit 2

Short description Defines which deceleration rate is used if deceleration rate selector = 0
Mode Open‑loop
Minimum 0
Default 0
Type 1 Bit Volatile
Display Format Standard
Coding RW, NC
See Deceleration Rate Selector (02.020).
Parameter

02.039 Ramp Rate Units

Short description Defines the units used by the ramp system
Mode Open‑loop
Minimum 0
Default 0
Type 8 Bit User Save
Display Format Standard
Coding RW
The ramp rate parameters (Acceleration Rate 1 (02.011) - Acceleration Rate 8 (02.018), Jog Acceleration Rate (02.019), Deceleration Rate 1 (02.021) -
Deceleration Rate 8 (02.028) and Jog Deceleration Rate (02.029)) are specified in s / Ramp rate frequency. Ramp rate frequency is selected with Ramp
Rate Units (02.039) as defined in the table below.
Ramp Rate Units (02.039)
0
1
2
Maximum frequency is defined by Maximum Speed (01.006) if Select Motor 2 Parameters (11.045) = 0, or M2 Maximum Speed (21.001) if
Select Motor 2 Parameters (11.045) = 1.
Parameter

02.040 S Ramp Percentage

Short description Defines the profile of the S ramp system as a percentage
Mode Open‑loop
Minimum 0.0
Default 0.0
Type 16 Bit User Save
Display Format Standard
Coding RW
If S Ramp Set-up Mode (02.041) = 1 the percentage of the ramp to Maximum frequency that includes half the S ramp profile can be specified with
S Ramp Percentage (02.040) as shown in the diagram below. Maximum frequency is defined by Maximum Speed (01.006) if Select Motor 2 Parameters
(11.045) = 0, or M2 Maximum Speed (21.001) if Select Motor 2 Parameters (11.045) = 1. It should be noted that the time to ramp to Maximum
frequency does not change as S Ramp Percentage (02.040) is changed, but the maximum acceleration rate in the centre of the profile increases.
Unidrive M200 Parameter Reference Guide
Issue: 01.05.00.10
Ramp rate frequency
Seconds per 100Hz
Seconds per Maximum Frequency
Seconds per 1000Hz
Maximum 1
Units
Update Rate 16ms
Decimal Places 0
Maximum 2
Units
Update Rate Background read
Decimal Places 0
Maximum 50.0
Units %
Update Rate Background read
Decimal Places 1
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