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How to PROTECT computer GPIO lines from damage by the 28VDC

Question asked by dov.rossitzan@argoncorp.com on May 1, 2015
Latest reply on May 18, 2015 by Walt_Kester

The issue:

Has TTL level computer board with GPI/O lines ,{Input-Output)

The power supply of the unit is 28 VDC, a momentary short can be happened.

from the 28VDC to the GP I/O lines

Question: how to prevent a damage to the computer board?

Any idea welcome

dovross@gmail.com

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