Panasonic SC-HG1 Series Reference Manual page 170

(d) P+SUNX-SC-HG1_ExecuteCommand_R (execute specified command)
When M0 is turned ON, this FB executes the "H6" command (initialization) on all the controllers connected to the SC-HG1-C
with its station number set to 1.
You do not have to enter the value of D1 because it is disabled when M2 is turned ON.
SC-HG1 Series FB Library Reference Manual for Mitsubishi MELSEC iQ-R series Sequencer
WUME-SCHG1IQRFB-1
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