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2018-06-09View Original

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What do PB4, SB4, and DI1-25 mean in ITcc? Need help?

Reply #22018-06-10

This person who worked on the project was lazy; there should have been comments. However, PB generally refers to PUSH BUTTTEN, i.e., buttons; as for exactly what kind of buttons it is, one has to ask the person working on the project or check the program. DI1-25 refers to digital input channels 1 to 25.

Reply #32018-06-10

I agree with what was said above; it’s necessary to indicate from which location the label comes.

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