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What does the "pedestal" setting do and how do I program it?
Altivar 61, Altivar 71 series drives.
All models, All serial numbers
Clarification of this setting is needed by the customer.
The "Pedestal" setting is an option of the Reference Template parameter and can be found under menu 1.5, Inputs / Outputs configuration.
With Reference Template set to Standard (factory default) the input frequency reference will adjust the motor speed between the LSP parameter and the HSP parameter. With Reference Template set to "Pedestal" the input frequency reference will adjust the motor speed between 0 Hz. and HSP parameter
Example: Low Speed = 30 Hz, High Speed = 60Hz. Input speed reference is 0-10V on AI1 terminal.
With Reference Template set to Standard, the motor will run at 30Hz when the input speed refernece is 0V and will increase in speed as the input speed reference increases. If the 0-10V speed input is 5.0 volts (50%) then the speed of the motor will be 50% between LSP (30Hz.) and HSP (60Hz.) or 45Hz.
With Reference Template set to Pedestal, the motor will run at 30Hz. (50% of 0-60Hz) until the 0-10V speed reference reaches 5.0V (50% of 0-10V) and will then start to increase in speed as the speed reference rises above 50%.
Essentially, Reference Template determines whether the low end of the frequency reference is in relation to 0.0Hz, or in relation to the Low Speed Setting.