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Learn VFD in a Day - Delta

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Information about Learn VFD in a Day - Delta
Technology

Published on February 28, 2014

Author: geterrdone

Source: slideshare.net

Description

This presentation will highlight some of the unique features of VFD.
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Understanding “VFD” Variable Frequency Drive nfi nfi

Practical Demonstration of VFD nfi Delta- M Series 1.5 KW I/P: 230V 1/3 Phase O/P: 230 3 Phase

VFD Status Screen Motor OFF Command Freq. Output Freq. nfi Parameters Direction Amperes

Keypad Control Terminals Freq. Display nfi POT Extended Terminal Blocks

Control Terminals Relay Feedback Terminals Freq. Feedback Analog Voltage Input nfi Analog Current Input

Motor Brake Terminals Motor Output Terminals nfi

3 Phase/ 1 Phase 220 VAC nfi

Important Parameters used in various Applications Source of Frequency Command • Master frequency determined by digital keypad • Master frequency determined by 0 to +10 V input on AVI terminal • Master frequency determined by 4 to 20mA input on ACI terminal • Master Frequency Determined by Rs 485 Comm. port • Master frequency determined by potentiometer on digital keypad nfi

Important Parameters used in various Applications Source of Frequency Command • Master frequency determined by digital keypad Frequency Increment Frequency Decrement nfi

Important Parameters used in various Applications Source of Frequency Command • Master frequency determined by 0 to +10 V input on AVI terminal nfi

Important Parameters used in various Applications Source of Frequency Command • Master frequency determined by 4 to 20mA input on ACI terminal nfi

Important Parameters used in various Applications Source of Frequency Command • Master frequency determined by Rs 485 Comm. port nfi

Important Parameters used in various Applications Source of Frequency Command • Master frequency determined by potentiometer on digital keypad nfi

Important Parameters used in various Applications Source of Operation Command • Operation determined by digital keypad • Operation determined by external control terminals, keypad STOP is effective • Operation determined by external control terminals, keypad STOP is ineffective • Operation determined by RS 485 Comm. port, keypad STOP is effective • Operation determined by RS 485 Comm. port, keypad STOP is ineffective nfi

Important Parameters used in various Applications Source of Operation Command • Operation determined by digital keypad VFD STOP VFD RUNNING RUN STOP nfi

Important Parameters used in various Applications Source of Operation Command • Operation determined by external control terminals, keypad STOP is effective nfi

Important Parameters used in various Applications Source of Operation Command • Operation determined by external control terminals, keypad STOP is ineffective nfi

Important Parameters used in various Applications Source of Operation Command • Operation determined by external control terminals, keypad STOP is effective nfi

Important Parameters used in various Applications Operation Control of VFD 2 Wire Control (1)– On/Off & Direction from Toggle Button nfi

Important Parameters used in various Applications Operation Control of VFD 2 Wire Control (2) – On/Off & Direction from Toggle Button nfi

Important Parameters used in various Applications Operation Control of VFD 3 Wire Control – On/Off from Push Button & Toggle Button for Direction Control nfi

Important Parameters used in various Applications Source of Operation Command • Operation determined by RS 485 Comm. port, keypad STOP is effective nfi

Important Parameters used in various Applications Source of Operation Command • Operation determined by RS 485 Comm. port, keypad STOP is ineffective nfi

Important Parameters used in various Applications STOP Method • Ramp Stop • Coast Stop nfi

Important Parameters used in various Applications Maximum Output Frequency Range 0 ~ 400 Hz nfi

Important Parameters used in various Applications Acc./ Dec. Time Voltage / Frequency Setting for various Applications nfi

Important Parameters used in various Applications Jog Frequency To adjust the Speed of Motor at Jog Mode Jog Acc./ Dec Time 0.1 to 600.0 sec or 0.01 to 600.0 sec nfi

Important Parameters used in various Applications Second Source of Frequency Command • • • • Keypad Up/Down AVI (0-10V) ACI (4-20mA) Keypad Potentiometer Reverse Operation Inhibition Parameter Lock PLC Operation Jog Acc./ Dec Time nfi 0.1 to 600.0 sec or 0.01 to 600.0 sec

VFD Biasing nfi “Adjusting Voltage by Frequency Curves”

www.nfiautomation.org VFD Biasing 1 Volt = 5 Hz Pr.03=50Hz--Max. output Freq. Pr.48=0%--bias adjustment Pr.49=0 -- bias polarity Pr.50=100% -- pot. freq. gain Pr.51=0 -- REV disable in negative bias 50 Hz 25 Hz nfi 0 Hz 0 5V 10V

www.nfiautomation.org VFD Biasing 1 Volt = 5 Hz Pr.03= 50Hz--Max. output Freq. Pr.48= 20%--bias adjustment Pr.49= 0 -- bias polarity Pr.50= 100% -- pot. freq. gain Pr.51= 0 -- REV disable in negative bias 50 Hz Bias Adjustment = (Bias Range)/(Full range) x 100 = 10/50 x 100 = 20% 25 Hz Bias Adjustment 10 Hz nfi 0 Hz 0 5V 10V

www.nfiautomation.org VFD Biasing Bias Adjustment = (XV/ Full voltage Range) x 100 (Full Freq. Range – Bias Freq. range) / (Full voltage range) = (Bias Freq. – 0 Hz) / XV Pot. Freq Gain = (Full voltage Range)/ (Effective Voltage Range) x 100 Pot. Freq Gain 50 Hz Pr.03= 50Hz--Max. output Freq. Pr.48= 25%--bias adjustment Pr.49= 0 -- bias polarity Pr.50= 80% -- pot. freq. gain Pr.51= 0 -- REV disable in negative bias 25 Hz Bias Adjustment 10 Hz nfi 0 Hz -2.5V 0 5V 10V

www.nfiautomation.org VFD Biasing Pot. Freq Gain = (Full voltage Range)/ (Effective Voltage Range) x 100 50 Hz Pot. Freq Gain Pr.03= 50Hz--Max. output Freq. Pr.48= 0%--bias adjustment Pr.49= 0 -- bias polarity Pr.50= 200% -- pot. freq. gain Pr.51=0 -- REV disable in negative bias 25 Hz nfi 0 Hz 0 5V 10V 1 Volt = 5 Hz

www.nfiautomation.org VFD Biasing Bias Adjustment = (XV/ Full voltage Range) x 100 (Full Freq. Range – Bias Freq. range) / (Full voltage range) = (Bias Freq. – 0 Hz) / XV Pot. Freq Gain = (Full voltage Range)/ (Effective Voltage Range) x 100 Pot. Freq Gain 50 Hz Pr.03= 50Hz--Max. output Freq. Pr.48= 42.8 %bias adjustment Pr.49= 0 -- bias polarity Pr.50= 70 % pot. freq. gain Pr.51= 0 -- REV disable in negative bias Bias Adjustment 15 Hz nfi 4.28 0 5V 10V

www.nfiautomation.org VFD Biasing Bias Adjustment = (Bias Voltage Range)/(Full Voltage range) x 100 = 1/10 x 100 = 10% 50 Hz Pr.03= 50Hz--Max. output Freq. Pr.48= 10%--bias adjustment Pr.49= 1 -- bias polarity Pr.50= 100% -- pot. freq. gain Pr.51= 0 -- REV disable in negative bias 45 Hz 25 Hz nfi 0 Hz 0 Bias Adjustment 1 5V 10V

www.nfiautomation.org VFD Biasing Bias Adjustment = (Bias Voltage Range)/(Full Voltage range) x 100 = 1/10 x 100 = 10% Pot. Freq Gain 50 Hz Pr.03= 50Hz--Max. output Freq. Pr.48= ____ bias adjustment Pr.49= 1 -- bias polarity Pr.50= ____-- pot. freq. gain Pr.51= 0 -- REV disable in negative bias 25 Hz nfi 0 Hz Bias Adjustment 0 5V 10V Pot. Freq Gain = (Full voltage Range)/ (Effective Voltage Range) x 100

www.nfiautomation.org VFD Biasing Bias Adjustment = (Bias Voltage Range)/(Full Voltage range) x 100 = 5/10 x 100 = 50% 50 Hz Fwd 25 Hz 2.5V 0 0 Hz 5V Rev nfi 7.5V 10V 25 Hz 50 Hz Pot. Freq Gain = (Full voltage Range)/ (Effective Voltage Range) x 100 Pr.03= 50Hz--Max. output Freq. Pr.48= 50%--bias adjustment Pr.49= 1 -- bias polarity Pr.50= 200% -- pot. freq. gain Pr.51= 1 -- REV disable in negative bias

www.nfiautomation.org VFD Biasing Bias Adjustment = (Bias Voltage Range)/(Full Voltage range) x 100 = 10/10 x 100 = 100% 50 Hz Pr.03=50Hz--Max. output Freq. Pr.48=100%--bias adjustment Pr.49=1 -- bias polarity Pr.50=100% -- pot. freq. gain Pr.51=1 -- REV disable in negative bias 25 Hz nfi 0 Hz 0 5V 10V

Important Parameters used in various Applications Analog Output Signal Analog Frequency Meter (0 to Maximum Output Frequency) Analog Current Meter (0 to 250% of the rated AC drive current) nfi Analog Output Gain 0 ~ 200%

Important Parameters used in various Applications Over–Voltage Stall Prevention Over-Current Stall Prevention during Acceleration nfi

PLC & VFD Advanced Course 4 PLC’s Training Platforms $149 Course Link: Course Highlights: nfi http://nfiautomation.org/special-offers/ • 30 Live Practical Classes on PLC, Analog Cards & AC drives- VFD • 100+ PLC Video Tutorials with Lifetime Access & FREE PLC Simulator • FREE Circuits Diagram For more courses visit www.nfiautomation.org

Thank You nfi nfi

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