But we can use opto-isolators to safeguard our costly microcontrollers. For example, we can wire a four-channel optocoupler as the front end of the motor driver module. See my basic suggestion with ...

Acromag's discrete I/O mechanical relay and optocoupler modules pack in 6 isolated channels per unit for a high-density solution in a small, 22.5mm wide package. While the mechanical relay module ...

A 4N25 optocoupler boasts an isolation test voltage of 5,000 V between the LED and transistor. If you put 500 V across it, you would see an effective resistance of more than 10 12 Ω.

Introduction Analog isolation is still widely used in motor drives, power monitoring, etc whereby applications typically use inexpensive analog voltage control for speed, intensity or other ...