AH500 Module Manual 
12-50 
12.6.6  PLC Programs Writing
【Control program in master PLC】 
Write the program through the ISPsoft software 
After the master PLC runs and M0 is ON, write 500~505 to the corresponding D6000~D6005 in the 
master PLC respectively and the values in D6000~D6005 are sent to the slave through PROFIBUS.