Omega Speaker Systems OME-DB-889D - Manual (Page 22)

5 Programming
The OME-A-82x series multi-function card can support up to 160 channels by
cascading 10 OME-DB-889D’s without complex programming.
5.1 Using OME-A-822PGL
This section will use OME-A-822PGL to link OME-DB-889D.
The major steps are listed below:
Step 1: Hardware installing.
1.
Turn off power of computer.
2.
Plug in OME-A-822PGL then connect 37 pin cable & 20 pin flat cables to CN1
and CN3 of OME-DB-889D.
3.
Setup OME-DB-889D (Ref. Jumper setting section of OME-DB-889D. The
example program uses default setup )
4.
Connect your signal wiring.
5.
Turn on your computer power.
6.
Installing OME-A-822PGL C library.
7.
Now you are ready to programming.
Step 2: Software programming (C Language)
1.
Using OME-A-822 library function to initial OME-A-822PGL
2.
Setup OME-A-822PGL: Bipolar mode , Gain = 1 , Analog input channel = 0 ,
Trigger mode = Polling mode.
3.
Send digital output of OME-A-822PGL data to control OME-DB-889D
D0~D3: OME-DB-889D channel selection, D4~D6: OME-DB-889D Gain setting
4.
Reading OME-A-822PGL analog input data
5.
Conversion data to voltage or temperature
Note:
The OME-A-82X series programming steps are same as those for the
OME-A-822PGL
OME-DB-889D User’s Manual 20