Omega OME-A822PG - Manual

2. Hardware Configuration 2.1 Board Layout O M E -A -8 22 P G L /P G H V R 1/2 /3 /4 /5 /6 /7 IS A B U S IS A B U S C N 2 C N 1 J P 5 S W 1 C N 3 JP 3 JP 6 JP 8 JP 7 JP 4 JP 1 JP 2 OME-A-822PGL/PGH Hardware Manual ---- 9

2.2 I/O Base Address Setting The OME-A-822PGL/PGH occupies 16 consecutive locations in I/O address space. The base address is set by DIP switch SW1. The default address is 0x220. A9 A8 A7 A6 A5 A4 6 5 4 3 2 1 ON SW1 : BASE ADDRESS BASE ADDR A9 A8 A7 A6 A5 A4 200-20F OFF ON ON ON ON ON 210-21F OFF ON...

The PC I/O port map is given below. ADDRESS Device ADDRESS DEVICE 000-1FF PC reserved 320-32F XT Hard Disk 200-20F Game/control 378-37F Parallel Printer 210-21F XT Expansion Unit 380-38F SDLC 238-23F Bus Mouse/Alt. Bus Mouse 3A0-3AF SDLC 278-27F Parallel Printer 3B0-3BF MDA/Parallel Printer 2B0-2DF ...

2.3.7 JP7 : DMA DACK Selection, JP8 : DMA DRQ Selection JP8 DACK 2 6 1 5 JP7 DRQ 2 6 1 5 NO DMA JP8 JP7 1 5 2 6 DRQ 1 5 2 6 DACK DMA 1 (default) JP8 JP7 1 5 2 6 DRQ DACK 1 5 2 6 DMA 3 The DMA channel can not shared. The OME-A-822 software driver can support 8 different boards in one PC based system,...

2.7.4 Using software trigger and polling transfer If the user needs to control the A/D converter without the A-822 software driver, software trigger and polling transfer is suggested. The program steps are listed below: 1. send 0x01 to the A/D mode control register (software trigger + polling transf...

2.8 D/A Conversion The OME-A-822PGL/PGH provides two 12 bit D/A converters. Before using the D/A converter function, you should address the following items: z D/A output register, BASE+4/BASE+5/BASE+6/BASE+7, (sec. 2.4.3) z JP1 jumper set to internal reference voltage -5V or -10V (sec. 2.3.1) z JP2 ...

2.9 Analog Input Signal Connection The OME-A-822 can measure signals in the single-ended or differential mode. In the differential mode each channel has a unique signal HIGH and signal LOW connection. In the single-ended mode all channels have a unique signal HIGH connection but share a common LOW o...

Figure 1-A Figure 1-B If the source is grounded, a second ground connection on the card could result in a ground loop. OME-A-822PGL/PGH Hardware Manual ---- 33

SINGLE-ENDED SIGNAL MODE CN3 : Analog input, Analog output and Timer/Counter Pin Assignment. Pin Number Description Pin Number Description 1 Analog Input 0/+ 20 Analog Input 8/+ 2 Analog Input 1/+ 21 Analog Input 9/+ 3 Analog Input 2/+ 22 Analog Input 10/+ 4 Analog Input 3/+ 23 Analog Input 11/+ 5 A...

DIFFERENTIAL SIGNALS CN3 : Analog input, Analog output and Timer/Counter Pin Assignment. Pin Number Description Pin Number Description 1 Analog Input 0/+ 20 Analog Input 0/- 2 Analog Input 1/+ 21 Analog Input 1/- 3 Analog Input 2/+ 22 Analog Input 2/- 4 Analog Input 3/+ 23 Analog Input 3/- 5 Analog ...

4. Calibration The OME-A-822PGL/PGH is factory calibrated for optimum performance. Recalibration is suggested for high vibration environments. The following items are required for calibrating the OME-A-822PGL/PGH. z One 6 digit multimeter z One stable voltage source (4.9988V) z Diagnostic program : ...

5. Diagnostic Utility 5.1 Introduction The A82XDIAG.EXE diagnostic utility is a menu-driven program which allows complete testing of the OME-A-822PGL/PGH board. To run the diagnostic utility, change to the subdirectory used in the installation process (C:\OME-A-822 for example). Then type " A82X...

5.2 Running The Diagnostic Utility The initial screen of A82XDIAG is shown below. There are five main menus in the initial screen. They are Setup, Calibration, FunctionTest, sPecialTest and Help. Use the Left or Right key to select the main menu. Then use the Up or Down key to select the menu item. ...

WARRANTY/ DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping...