VMA323 CURRENT SENSOR ACS712 MODULE – 20 A (DC) USER MANUAL
VMA323 USER MANUAL 1. Introduction To all residents of the European Union Important environmental information about this product This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized company for recycling. This device should be returned to your distributor or to a local recycling service. Respect the local environmental rules.
VMA323 5. Overview VMA323 The Allegro® ACS712 provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. The device package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.
VMA323 ******Code Begin****** /* Measuring Current Using ACS712 */ const int analogIn = A0; int mVperAmp = 100; // use 100 for 20A Module and 66 for 30A Module int RawValue= 0; int ACSoffset = 2500; double Voltage = 0; double Amps = 0; void setup(){ Serial.begin(9600); } void loop(){ RawValue = analogRead(analogIn); Voltage = (RawValue / 1024.0) * 5000; // Gets you mV Amps = ((Voltage - ACSoffset) / mVperAmp); Serial.print("Raw Value = " ); // shows pre-scaled value Serial.print(RawValue); Serial.
VMA323 delay(2500); } ******Code End****** 8. More Information Please refer to the VMA323 product page on www.velleman.eu for more information. Use this device with original accessories only. Velleman nv cannot be held responsible in the event of damage or injury resulting from (incorrect) use of this device. For more info concerning this product and the latest version of this manual, please visit our website www.velleman.eu. The information in this manual is subject to change without prior notice.
Velleman® Service and Quality Warranty Since its foundation in 1972, Velleman® acquired extensive experience in the electronics world and currently distributes its products in over 85 countries. All our products fulfil strict quality requirements and legal stipulations in the EU. In order to ensure the quality, our products regularly go through an extra quality check, both by an internal quality department and by specialized external organisations.
