Measurement CIO-DAS800 User Manual
CIO-DAS800
User's Guide
Revision 2
October, 2000
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HM CIO-DAS800.lwp
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TABLE OF CONTENTS
1 INTRODUCTION
2 INSTALLATION
2.1 SOFTWARE INSTALLATION
2.2 HARDWARE INSTALLATION
2.3 INTERRUPT LEVEL SELECT
3 CONNECTOR DIAGRAM
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4 OPERATIONAL ASPECTS - CIO-DAS800 VS CIO-DAS08
4.1 Conversion Trigger
4.2 IMPROVED CHANNEL SEQUENCER
4.3 CONTROL REGISTERS
4.4 FIFO
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4.5 FIFO HALF-FULL INTERRUPT
4.6 WAIT STATE JUMPER
4.7 REFERENCE VOLTAGE
4.8 SINGLE-ENDED ANALOG INPUTS
4.9 DIGITAL OUTPUTS & INPUTS
4.10 COUNTER TIMER CIRCUIT
5 REGISTER MAP
6 SPECIFICATIONS
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1 INTRODUCTION
The primary function of the board is to accept up to eight analog voltages and convert them to digital
equivalents for transmission to an ISA-bus computer. The inputs circuits are single-ended and accept
voltages in a +/-5V range. The board has a resolution of 12 bits (1 in 4096) and a maximum sampling rate
of 50 kHz when using the built-in 256-sample FIFO buffer.
The board also contains three 16-bit down-counters.
There are seven bits of digital I/O (3-input, 4-output) that are typically used to control external channel
expansion and signal conditioning boards.
2 INSTALLATION
2.1 SOFTWARE INSTALLATION
Before you open your computer and install the board, install and run InstaCal™, the installation,
calibration and test utility included with your board. InstaCal™ will guide you through switch and
jumper settings for your board. Detailed information regarding these settings can be found below. Please
refer to the Software Installation Manual for InstaCal™ installation instructions.
2.2 HARDWARE INSTALLATION
The CIO-DAS800 board is an extension of the popular CIO-DAS08 architecture. The CIO-DAS800 has
a set of registers identical to the CIO-DAS08, and an additional set of registers for the extended
functions. Software written for the DAS08 will work without modification, but will not provide access
to the extended functions. The connector is nearly identical to the CIO-DAS08. There are two jumpers
and a switch that should be set before installing the CIO-DAS800 into your computer.
2.2.1 BASE ADDRESS
The base address of the CIO-DAS800 is set by switching a bank of DIP switches on the board. This bank
of switches is labeled ADDRESS and numbered 9 to 3.
Ignore the word ON and the numbers printed on the switch
The switch works by adding up the weights of individual switches to make a base address. A 'weight' is
active when the switch is down. As shown in Figure 2-1, switches 9 and 8 are down, all others are up.
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Weights 200h and 100h are active, totalling a 300h base address. Table 2-1 lists PC I/O addresses and
their uses.
Figure 2-1. Base Address Switches
Table 2-1. PC I/O Addresses
FUNCTIONHEX
RANGE
070-071
CMOS RAM & NMI MASK (AT)
RANGE
2.2.2 INTERRUPT LEVEL SELECT
The interrupt jumper need only be set if the software you are using
requires it. The Universal Library and other programs which take
advantage of the REP-INSW high speed transfer capability of the
board require an interrupt. If you do set the interrupt jumper, please
check your PC's current configuration for interrupt conflicts.
FUNCTIONHEX
EGA2C0-2CF8237 DMA #1000-00F
EGA2D0-2DF8259 PIC #1020-021
GPIB (AT)2E0-2E78253 TIMER040-043
SERIAL PORT2E8-2EF8255 PPI (XT)060-063
SERIAL PORT2F8-2FF8742 CONTROLLER (AT)060-064
PROTOTYPE CARD300-30F
PROTOTTYPE CARD310-31FDMA PAGE REGISTERS080-08F
HARD DISK (XT)320-32F8259 PIC #2 (AT)0A0-0A1
PARALLEL PRINTER378-37FNMI MASK (XT)0A0-0AF
SDLC380-38F8237 #2 (AT)0C0-0DF
SDLC3A0-3AF80287 NUMERIC CO-P (AT)0F0-0FF
MDA3B0-3BBHARD DISK (AT)1F0-1FF
PARALLEL PRINTER3BC-3BFGAME CONTROL200-20F
EGA3C0-3CFEXPANSION UNIT (XT)210-21F
CGA3D0-3DFBUS MOUSE238-23B
SERIAL PORT3E8-3EFALT BUS MOUSE23C-23F
FLOPPY DISK3F0-3F7PARALLEL PRINTER270-27F
SERIAL PORT3F8-3FFEGA2B0-2BF
There is a jumper block on the CIO-DAS800 located just above the
PC bus interface (gold pins). The factory default setting is that no
interrupt level is set. The jumper is in the 'X' position at the factory.
It is shown in Figure 2-2 set for IRQ 5.
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Figure 2-2. IRQ Jumper Block
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