I1 - INPUT - Stores the state of the PLC inputs. Note that many times where the word is always 0, it will be omitted and stated as O:0/0.Īnalog outputs on slot 1 O:1.0 and O:1.1. 0/0 through 0/15 are the first 16 outputs of the slot, 1/0 through 1/15 are outputs 16-31 of the slot, etc.Įxamples of outputs used on your trainer:ĭiscrete outputs on the base PLC O:0.0/0 through O:0.0/5. If this is an analog module then 0 is the first channel, 1 is the second channel, etc.ī is the bit and is used for discrete outputs in combination with the slot. We'll go more into detail of what a word is in the N7 explanation below but for discrete outputs, 0 is outputs 0-15 of the slot, 1 is outputs 16-32 of the slot. 0 being the PLC base's built in outputs and 1 being the first expansion module, 2 being the second expansion module, etc. O0 - OUTPUT - Stores the state of the PLC outputs. The data files are a way of organizing and optimizing the data storage in a PLC.
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