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| An Opto-Isolator is an interface device, which is used to connect digital signals optically and isolate electrically the recipient instruments. This isolation is required wherever mains bound noise is likely to infiltrate into the control device or systems. This module is used to optically connect external digital signals to Microprocessor trainer MPT-85 or IBR-1. This module has 4-bits connected as input and 4-bits as output. The electrical ground (earth terminal) of donor and recipient systems should not be tied together for proper function. This requires external power supply of +5V DC @ 400mA. |
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