MC PCI-DAS1602 Uživatelský manuál Strana 1

PCIM-DAS1602/16ANALOG & DIGITAL I/O BOARD for the PCI BusUser’s ManualRevision 2© Copyright September, 2000

3 SOFTWARE There are three common approaches for generating operating software for the PCIM-DAS1602/16. These are: Writing custom software with o

4 CONNECTOR PIN OUTS4.1 MAIN CONNECTOR DIAGRAMThe PCIM-DAS1602/16 analog connector is a 37-pin “D” connector accessible from the rear of the PCon th

4.2 DIGITAL I/O CONNECTOR The digital I/O connector is mounted at the rear of the PCIM-DAS1602/16 and will accept a 40-pinheader connector. The option

5 ANALOG CONNECTIONS5.1 ANALOG INPUTSAnalog signal connection is one of the most challenging aspects of applying a data acquisition board. Ifyou are

Figure 5-1b. Single-Ended Voltage Input TheoryDifferential InputsDifferential inputs measure the voltage between two distinct input signals. Within a

Figure 5-2b. Differential Input TheoryBefore moving on to the discussion of grounding and isolation, it is important to explain the concepts ofcommon

5.1.2 System Grounds and IsolationThere are three scenarios possible when connecting your signal source to your PCIM-DAS1602/16board. 1. The PCIM-DAS

If you cannot obtain a reasonably stable DC voltage measurement between the grounds, or the voltagedrifts around considerably, the two grounds are mos

NOTERelying on the earth prong of a 120VAC for signal ground connections is not advised..Different ground plugs may have large and potentially even da

5.2.1 Common Ground / Single-Ended InputsSingle-ended is the recommended configuration for common ground connections. However, if some ofyour inputs a

LIFETIME WARRANTYEvery hardware product manufactured by Measurement Computing Corp. is warranted against defects inmaterials or workmanship for the li

5.2.3 Common Mode Voltage < +/-10V / Single-Ended InputsThis is not a recommended configuration. In fact, the phrase common mode has no meaning in

Figure 5-8. Common Mode Voltage > +/-10V. Differential Input5.2.6 Isolated Grounds / Single-Ended InputsSingle-ended inputs can be used to monitor

5.2.7 Isolated Grounds / Differential InputsOptimum performance with isolated signal sources is assured with the use of the differential inputsetting.

Figure 5-11. Analog Output Range Select Jumper Block19Bipolar/Unipolar Select JumpersD/A0 & D/A1 Range Jumper Block

6 REGISTER ARCHITECTURE6.1 OVERVIEWPCIM-DAS1602/16 operation registers are mapped into I/O space. Unlike ISA bus designs, thisboard has several bas

LINTE = 1, on the local side interrupt is enabled LINTE = 0, on the local side interrupt is disabledthe INT bit is read onlyINT = 1, interrupt is acti

Unipolar Mode: Straight Binary Coding0000 h = −FS (0V)7FFFh = Mid-scale (+FS/2)FFFFh = +FS − 1LSBWRITEWriting to this register is only valid for SW

6.4 BADR3 REGISTERSResidual Counter lower byteBADR3 + 0EhResidual Counter upper 2 bitsBADR3 + 0DhUser Counter Clock ControlUser Counter Clock SettingB

MAIN CONNECTOR DIGITAL I/O REGISTER BADR3 + 1READDI0, EXT TRIG, EXT PACER, EXT GATEDI1DI2, CTR0 GATEDI3000001234567The signals present at the inputs a

MA3, MA2, MA1, and MA0 is a binary number between 0 and 15 indicating the MUX channel currentlyselected and is valid only when EOC = 0. The channel M

Table of Contents379. SPECIFICATIONS ...368.2 LOW PASS FILTERS ...

EOA_INT_SEL = 1, Interrupt on end of acquisitionEOA_INT_SEL = 0, No interrupt on end of acquisitionEOA_INT_SEL is used in conjunction with the residua

GATE_POL = 1, the trigger / gate polarity is set to negative-going edge / low level for non burst modeand positive-going edge / high level for burst m

PROGRAMMABLE GAIN CONTROL REGISTERBADR3 + 7READ/WRITEG0G1XXXXXX01234567G[1:0] control the gain of the programmable gain amplifier according to the tab

USER COUNTER CLOCK CONTROLBADR3 + 0ChREAD/WRITECTR1_CLK_SELXXXXXXX01234567 CTR1 _CLK_SEL = 1. The onboard 100 kHz clock signal is ANDed w

3. You will get the EOA interrupt. Write a 03h to BADR3+4, read 20 samples from FIFO, and thenwrite another 03h to BADR3+4.Total number of samples is

2. You will get a FIFO_HALF FULL interrupt. Read 512 samples from FIFO and write an 83h toBADR3+4.3. You will get another FIFO_HALF FULL interrupt.

82C55 PORT A DATABADR4 + 0READ/WRITEA0A1A2A3A4A5A6A70123456782C55 PORT B DATA BADR4 + 1READ/WRITEB0B1B2B3B4B5B6B701234567Ports A and B may be programm

82C55 CONTROL REGISTER BADR4 + 3WRITEGroup BGroup ACLBM1CUAM2M3MS01234567The 8255 can be programmed to operate in Input/ Output (mode 0), Strobed Inpu

7 CALIBRATION AND TESTEvery board is fully tested and calibrated before leaving the factory. For normal environments acalibration interval of six mo

8 ANALOG ELECTRONICS8.1 VOLTAGE DIVIDERSIf you wish to measure a signal which varies over a range greater than the input range of an analog ordigital

This page is blank.

inputs. The voltage must be dropped to 5 volts max when on. The Attenuation is 24:5 or 4.8. Use theequation above to find an appropriate R1 if R2 i

9 SPECIFICATIONSTypical for 25°C unless otherwise specified.Power Consumption820mA typical, 1.4A max+5V quiescentAnalog Input Section+55/-40V fault

Accuracy±0.5 LSB typ, ±2.0 LSB max Differential Linearity Error±0.5 LSB typ , ±3.0 LSB max Integral Linearity Error±1.3 LSB typ , ±10.0 LSB maxP

CrosstalkCrosstalk is defined here as the influence of one channel upon another when scanning two channels at the specifiedper channel rate for a tota

Accuracy±0.5 LSB typ, ±1 LSB max Differential Linearity Error±0.5 LSB typ, ±1 LSB max Integral Linearity Error Trimmable by potentiometer to 0Offset

Counter Section *Note: Pins 21, 24, and 25 are pulled to logic high via 10K resistors.50 ppmFrequency accuracy10 MHzCrystal Oscillator Frequency0.4

Main Connector and Pin Out Identical to CIO-DAS1602/16 ConnectorConnector Compatibility37 pin male “D” connectorConnector typeDifferential Analog Inp

Digital Input / Output Connector and Pin Out Identical to CIO-DAS1602/16 ConnectorConnector Compatibility40-pin headerConnector TypeNC40NC39NC38DIG GN

For your notes.44

EC Declaration of ConformityWe, Measurement Computing Corp., declare under sole responsibility, that the product:DescriptionPart NumberPCI Bus, analog

1 INTRODUCTION The PCIM-DAS1602/16 is a multifunction measurement and control board designed to operate incomputers with PCI bus accessory slots. Th

Measurement Computing Corporation16 Commerce Boulevard,Middleboro, MA 02346Telephone: (508) 946-5100Fax: (508) 946-9500E-mail: info@MeasurementComputi

CB.CFG. This file is accessed by the Universal Library for programmers. Note also that the UniversalLibrary is the I/O board interface for packaged

2.4 BIPOLAR/UNIPOLAR AND GAIN SETTINGThe Bipolar or Unipolar configuration of the A/D converter is set by switch S2 (Figure 2-3). The switchcontrols a

Analog output is provided by two 12-bit multiplying D/A converters. This type of converter accepts areference voltage and provides an output proportio

2.8 TESTING THE INSTALLATION After you have run the install program, it is time to test the installation. The following section describesthe InstaCa