AH500 Hardware and Operation Manual 
5-14 
5.4.2  Start Addresses for Analog Input/Output Modules 
Input/Output data registers are automatically assigned to an analog input/output module through HWCONFIG 
in ISPSoft according to the number of registers which is defined for the analog input/output module. A channel 
occupies two words. 
  AH04AD-5A: There are 4 input channels. The input device range occupies 8 data registers.   
  AH08AD-5B/AH08AD-5C: There are 8 input channels. The input device range occupies 16 data registers   
  AH06XA-5A: There are 4 input channels, and 2 output channels. The input device range occupies 8 data 
registers, and the output device range occupies 4 data registers.   
  AH04DA-5A: There are 4 output channels. The output device range occupies 8 data registers.   
  AH08DA-5B/AH08DA-5C: There are 8 output channels. The output device range occupies 16 data 
registers.