IDEC MICROSmart FC6A Series User Manual page 535

(6) Data
The special data registers that store the analog value and analog status for the analog inputs or analog outputs expanded using
analog I/O cartridges are assigned as follows. These values are updated with each scan.
Special Data Register
D8170
D8171
D8172
D8173
D8174
D8175
D8176
D8177
D8178
D8179
D8180
D8181
Notes:
The values of special data registers for channels that are not used are undefined.

If the filter is enabled on an analog input, the filtered value is stored in the special data register.

The analog value and analog status are updated in the scan end processing. The special data register values are updated regardless of

whether the FC6A Series MICROSmart is stopped or running.
Analog I/O cartridge data (AI2/AQ2)
Analog I/O cartridge data (AI3/AQ3)
Analog I/O cartridge status (AI2/AQ2)
Analog I/O cartridge status (AI3/AQ3)
Analog I/O cartridge data (AI4/AQ4)
Analog I/O cartridge data (AI5/AQ5)
Analog I/O cartridge status (AI4/AQ4)
Analog I/O cartridge status (AI5/AQ5)
Analog I/O cartridge data (AI6/AQ6)
Analog I/O cartridge data (AI7/AQ7)
Analog I/O cartridge status (AI6/AQ6)
Analog I/O cartridge status (AI7/AQ7)
FC6A S MICROS
ERIES
Description
U ' M FC9Y-B1722
MART SER S ANUAL
10: I/O C
ARTRIDGES
10-13