Chapter 12 Network Module AH10PFBM
12-51
【Control program in slave PLC】
Write the program through the ISPsoft software
After the slave PLC runs and M1 is ON, write 100~103 to the corresponding D200~D203; 104 and
105 to D500 and D501 respectively in the slave PLC.
The values in D200~D203, D500 and D501 are sent to the master through PROFIBUS.
【Program Execution】
Before the master establishes the communication with the slave, the data in registers D of the
master and slave for exchange are shown as the following table.
Register in master
PLC
(Decimal)
No data
transmitted
Register in slave
PLC
(Decimal)
D6004 504 D600 0
D1003 0 D203 103
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