The M580 PLC MAC address can be read in Unity Pro using %SW132 to %SW134 system words.
These words contain the following data:
%SW132: the MAC address - high bytes
%SW133: the MAC address - middle bytes
%SW134: the MAC address - low bytes
Example @MAC = AA-BB-CC-DD-EE-FF
%SW132 = AABB hex
%SW133 = CCDD hex
%SW134 = EEFF hex
These words contain the following data:
%SW132: the MAC address - high bytes
%SW133: the MAC address - middle bytes
%SW134: the MAC address - low bytes
Example @MAC = AA-BB-CC-DD-EE-FF
%SW132 = AABB hex
%SW133 = CCDD hex
%SW134 = EEFF hex
Released for: Schneider Electric India
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