Control Techniques Epsilon EP-P, Reference Manual

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Epsilon EP-P Drive Reference Manual
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www.controltechniques.com Revision: A4
Bandwidth
This parameter (DriveAnalogInput.LowPassFilterFrequency) sets the low-pass filter cutoff frequency applied to the analog input. Signals
exceeding this frequency will be filtered at a rate of 20 db per decade.
3.31.2 Set Maximums Group
Maximum Value
This parameter (DriveAnalogInput.MaxUserValue) is used for user unit scaling. Enter the maximum value in analog user units to which the
maximum analog voltage should correspond.
Maximum Voltage
Enter the maximum voltage that will be seen on the analog input terminals. The user can enter the value in this text box
(DriveAnalogInput.MaxVoltageValue) by hand, or set the analog source to it’s maximum value with just a click of the “Set Max Voltage to
Measured” button next to the text box.
Set Max Voltage To Measured Button
Click this button to read the current value on the analog channel and enter it into the Maximum Voltage text box.
3.31.3 Set Minimums Group
Minimum Value
Enter the minimum value in analog user units that the minimum analog voltage should correspond to.
Minimum Voltage
Enter the minimum voltage that will be seen on the analog input terminals. The user can enter the value in this text box
(DriveAnalogInput.MinVoltageValue) by hand, or set the analog source to it’s minimum value with just a click of the “Set MinVoltage to
Measured” button next to the text box.
Set Min Voltage To Measured Button
Click this button to read the current value on the analog channel and enter it into the Minimum Voltage text box.
3.31.4 A/D Voltage
This parameter (DriveAnalogInput.RawValue) is visible while online. It is the raw analog input in Volts.
3.31.5 ValueIn
This parameter (DriveAnalogInput.ValueIn) is visible while online. This is the results of the analog value scaled to the user unit value.
3.31.6 Read Max/Min Voltage Settings
This button when pressed will read the Min and Max voltages from the drive and the voltages are entered into the Min and Max Voltage text
boxes in the configuration file.
3.32 Analog Outputs View
The drive has two 10-bit Analog Outputs that may be used for diagnostics, monitoring or control purposes. These outputs are referred to as
Channel 1 and Channel 2. They can be accessed from the analog/sync output connector (J5) on the Epsilon EP-P drive.
The analog output is scaled from the units of the selected variable to the +10/-10 volt range of the Analog Output. It is a linear scale with offset
defined by entering two points on the scale, a minimum and maximum to correlate the user units to analog voltage. The actual minimum and
maximum range of either user unit or analog voltage does not need to be entered as the algorithm will extrapolate the ranges.
Figure 101: Analog Outputs View