You are doing great. It does take some time to learn how to think this way.This took me ages to figure out But hey, got there in the end
DEC does determin the "size" but not as you think.
DEC is for how many digits to grab.
If 123 is sent and the receiving end is DEC2 the info gathered will be 12. The first two decimal places.
Looks like you are getting VARIABLE size confused with this.
The manual talks about this...
BIT = 0 to 1
BYTE = 0 to 255
WORD = 0 to 65535
In Binary a BIT will represent one place (_)
BYTE will represent eight places (_ _ _ _ _ _ _ _)
WORD will represent sixteen places (_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _)
8 BITs in a BYTE
2 BYTEs in a WORD
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