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Author – D. Rehe Feb 2020 

 

Fastron - Oztherm Power Controller 
F330 Series Calibration Procedure

 

In this article we discuss the calibration procedure for F330 Series Single Phase 
Thyristor (SCR) Controllers. 

PCB F311AO(Firing Card)

 

 

F311A1 (Option Card)

 

Summary of Contents for F330 Series

Page 1: ...20 Fastron Oztherm Power Controller F330 Series Calibration Procedure In this article we discuss the calibration procedure for F330 Series Single Phase Thyristor SCR Controllers PCB F311AO Firing Card...

Page 2: ...er sticker on the PCB with a serial number in the format of YY MM Serial Controller Options Identification There are various options available for this controller which the most common are listed and...

Page 3: ...increase as they approach failure several Amps in the worst cases What this means is there will always be a voltage present even when the enable of the controller is not connected and the controller...

Page 4: ...ot have access to a current clamp you can monitor the load voltage instead and it will also stop increasing like the current In both cases you should wind the GAIN POT back and forth a little unit you...

Page 5: ...it is active Note The PW option Power limit takes the voltage into account when limiting the output however with only the C option Current Limit it only limits by current Th reason is due to some appl...

Page 6: ...lamp the DC output wire using the current clamp 3 Set the BIAS POT to the centre position 4 Input the minimum control input signal 5 Gradually turn the AUX V potentiometer clockwise until the output c...

Page 7: ...over the last 30 years See here for a list of available SP versions To check the response time input a step change to the control input and measure the time taken to reach the desired output 10 MI MV...

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