PISO-813 Series Card
32-channel Single-Ended Isolated A/D Board
User Manual, Ver. 1.5, Feb. 2014, PMH-003-15, Page: 11
2.3.5
A/D Operation Flow
Step 1:
Find address-mapping of PISO-813(U). (Refer to
Step 2:
Enable operation of PISO-813(U). (Refer to
Sec.6.3.1
)
Step 3:
Make sure the range and polarity of the analog input signal. Select suitable Setting as show
Step 4:
Select input channel. (Refer to
Step 5:
delay 10
s. (for photocouple propagation delay and analog multiplexer settling time)
Step 6:
Trigger A/D converter. (Refer to
Step 7:
Delay 70
s. (for photocouple propagation delay and A/D conversion time)
Step 8:
Read high byte of A/D conversion data. Check the status of A/D converter until conversion
Step 9:
Read low byte of A/D conversion data. (Refer to
Step10:
A/D conversion complete.
Refer to the DEMO1.C of DOS Demo.
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