TM 5-3895-374-24-1
Troubleshooting Your Input
The following will assist you In troubleshooting your Input modules
Modules
Input Circuit Operation
An input circuit responds to an input signal In the following manner
1.
An input filter removes false signals due to contact bounce or electrical interference
2.
Opto-electrical Isolation protects the input circuit and backplane circuits by Isolating logic
circuits from input signals
3. Logic circuits process the signal
4. An input LED turns on or off Indicating the status of the corresponding input device
Chapter 9
Troubleshooting
(page 3-459)
