AH500 Module Manual 7.6 Monitoring Parameters (1) Registers are assigned to the modules by means of ISPSoft. AH04HC-5A has four channels, and uses thirty-two registers in a CPU module. The CPU module reads the values in twenty-eight registers periodically. The commands that the CPU module sends to AH04HC-5A are stored in the remaining four registers. Twenty-eight input data registers are assigned to AH04HC-5A by means of ISPSoft. In the figure above, D0~D27 are assigned to AH04HC-5A by means of ISPSoft. The twenty-eight registers assigned to AH04HC-5A can be changed manually.
After users double-click AH04HC-5A in the HWCONFIG window, they can click the Normal Exchange Area tab in the Parameter Setting window. The relation between D0~D27 and the four channels that AH04HC-5A has is shown below. The values in the twenty-eight registers are updated every millisecond. 7-14