·265·
CNC 8035
(SOFT M: V15.3X)
(S
OFT T: V16.3X)
6
PLC RESOURCES
6.1 Inputs
They are elements that provide information to the PLC on the signals they receive from the outside
world. They are represented by the letter I followed by the input number which is desired to reference,
for example I1, I25, I102, etc.
The PLC may control 512 inputs although when communicating with the outside world it can only
access the physical ones.
Local physical inputs are the ones corresponding to the central unit.
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