SiemensDigital Input module SM321
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I get error "RET_VAL 8083" in combination with SFC51?
I get error "RET_VAL 8083" in combination with SFC51?
SiemensDigital Input module SM321
Answers
Top answer
If you want to read module status using SFC51 and get this value, you are probably making an incorrect call. With this command you do not have to directly specify the starting address of the module.
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