Tagged Questions
1
vote
1answer
252 views
How to use PIC A/D converter with ACS712 Hall effect current sensor
I have built a one amp power supply and want to use a Sparkfun ACS712 Hall effect current sensor with a PIC and 7 segment LED display to show the current in milli-amps. The PIC A/D input has ground as ...
1
vote
1answer
172 views
Reading a Open Loop Current sensor
I am using a LEM HAIS 200-P and I never have worked with Open Loop current sensors before.
I have some questions about the datasheet:
What is the difference between Primary nominal RMS current and
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1
vote
1answer
461 views
Difference between Open Loop and Closed Loop Hall Effect Current Sensor
I think the title says it all, but in any case, I want to know the difference between the open loop, and closed loop, hall effect current sensors, such as the LEM HAIS 200-P.
2
votes
2answers
379 views
measuring current drawn from a 3-phase AC induction motor using a digital circuit
My background:
I have some experience with digital circuits and microcontroller programming but no prior experience with or knowledge of industrial equipment like motors/pumps. All in all, a ...
3
votes
4answers
288 views
High-bandwidth current measurement
We need to measure +-50Amps of current (PWM) on a PCB. We need the measurement to be isolated, so I thought of using an ACS758, and feeding its output to an ADC. However, this hall effect sensor is ...
2
votes
2answers
497 views
CNC Servo motor current measure
What methods and equipments can I used to measure and record the current variation of CNC servo motor while machining.
