Danfoss iC7 Series Application Manual page 102

Application Guide | iC7 Series Industry
Selection Number Selection Name
0 Ramp to reference
1 Ramp fast to reference
2 Ramp to zero
Sets the reaction of the drive when the supply voltage (DC-link voltage) returns after a power loss event. The reaction occurs when the
actual voltage returns and exceeds the undervoltage limit.
Table 33: Selection Descriptions
Selection name
Ramp to Reference
Ramp Fast to Reference
P 2.3.3.5 Undervoltage Control Kp
Set the scaling of the undervoltage control proportional gain.
Default Value: 100
Parameter
1806
Number:
Data Type: REAL
P 2.3.3.6 Undervoltage Control Ti
Set the scaling of the undervoltage control integral time.
Default Value:
100
Parameter 1807
Number:
Data Type:
REAL
P 2.3.3.7 Undervoltage Control Td
Set the scaling of the undervoltage control derivation time.
Default Value: 100
Parameter
1808
Number:
Data Type: REAL
P 2.3.3.8 Undervoltage Control Activation Level
102 | © 2024.05
Selection description
This is the recommended selection for a system drive. The drive ramps from the actual speed to the
reference.
The drive bypasses ramping and operates directly with the reference.
NOTE:
This selection is only available with the flux motor control principle.
Selection Description
Drive ramps to reference.
Drive ramps as fast as possible to reference.
Drive ramps down and coasts.
Parameter Type:
Unit:
Access Type:
Parameter Type:
Unit:
Access Type:
Parameter Type:
Unit:
Access Type:
Parameter Descriptions
Range (0.001 — 10000)
%
Read/Write
Range (0 — 10000)
%
Read/Write
Range (0 — 10000)
%
Read/Write
AB480436531518en-000601 / 136R0283