Configuring Speed Control - Danfoss iC7 Series Application Manual

Application Guide | iC7 Series Industry
Index
4.3.1.1
4.3.3.1
Note: For motor control principles VVC+ and U/f, the following applies:
Configure compensations for slip and different application conditions in parameter group 4.3.4 VVC+ & U/f Settings.
¢
Enable and configure Automatic Energy Optimization (AEO) in parameter group 5.3.3 Torque & AEO.
¢
For U/f, define the voltage and frequency points in parameter group 4.3.2 U/f Settingsas required for the application.
¢
5. Configure motor thermal protection.
The Electronic Thermal Relay (ETR) function protects the motor from thermal overload without connecting an external device,
by estimating the motor temperature based on present load and time. The ETR function meets the relevant requirements
of UL 61800-5-1, including the Thermal Memory Retention requirement, and ensures a class 20 protection level. ETR can be
configured and the motor thermal load can be viewed using the following parameters:
Index
4.5.4
4.1.16
The fault 0x7120-4177 Motor Thermal Overload is issued when the motor thermal load has reached 100%.

Configuring Speed Control

5.4
This section describes the basic configuration for speed control in open loop.
The following procedure describes the additional steps to control the speed according to the following wiring diagram.
© 2024.05
Parameter name
Motor Control Principle
Continuous Rs Estimation
Parameter name
ETR Overtemperature Response
Motor Thermal Load (ETR)
Parameter setting
FVC+ Control
Enabled
Parameter setting
Fault, ramp to coast
Varies (Readout)
AB480436531518en-000601 / 136R0283 |
Configuration Set-up Examples
Parameter
number
2503
428
Parameter
number
2825
2951
69