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Preface 

About this User's Guide 

What you will learn from this user's guide 

This user's guide explains how to install, configure, and use the PCI-DAS-TC so that you get the most out of the 
thermocouple/voltage input features.  

This user's guide also refers you to related documents available on our web site, and to technical support 
resources. 

Conventions in this user's guide 

For more information on … 

Text presented in a box signifies additional information and helpful hints related to the subject matter you are 
reading.  

Caution!

 

Shaded caution

 

statements present information to help you avoid injuring yourself and others, 

damaging your hardware, or losing your data.  

< : > 

Angle brackets that enclose numbers separated by a colon signify a range of numbers, such as those assigned 
to registers, bit settings, etc.  

bold

 text 

Bold 

text is used for the names of objects on the screen, such as buttons, text boxes, and check boxes. For 

example: 

1.

   Insert the disk or CD and click the 

OK

 button.

 

italic

 text 

Italic

 text

 

is used for the names of manuals and help topic titles, and to emphasize a word or phrase. For 

example: 
The 

Insta

Cal installation procedure is explained in the 

Quick Start Guide

Never

 touch the exposed pins or circuit connections on the board. 

Where to find more information 

The following electronic documents provide information relevant to the operation of your PCI-DAS-TC. 

 

MCC's 

Specifications: PCI-DAS-TC

 (the PDF version of the 

Specifications

 chapter in this guide) is 

available on our web site at 

www.mccdaq.com/pdfs/Specs/PCI-DAS-TC-spec.pdf

. 

 

MCC's 

Quick Start Guide

 is available on our web site at  

www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf

. 

 

MCC's 

Guide to Signal Connections

 is available on our web site at  

www.mccdaq.com/signals/signals.pdf

. 

 

MCC's 

Universal Library User's Guide

 is available on our web site at  

www.mccdaq.com/PDFmanuals/sm-ul-user-guide.pdf

. 

 

MCC's 

Universal Library Function Reference

 is available on our web site at  

www.mccdaq.com/PDFmanuals/sm-ul-functions.pdf

.

 

 

MCC's 

Universal Library for LabVIEW

 User’s Guide 

is available on our web site at 

www.mccdaq.com/PDFmanuals/SM-UL-LabVIEW.pdf

PCI-DAS-TC User's Guide

 (this document) is also available on our web site at 

www.mccdaq.com/PDFmanuals/PCI-DAS-TC.pdf

. 

 

Summary of Contents for PCI-DAS-TS

Page 1: ......

Page 2: ...PCI DAS TC Thermocouple Input Board User s Guide Document Revision 5 April 2009 Copyright 2009 Measurement Computing Corporation ...

Page 3: ...ion For specific information please refer to the terms and conditions of sale Harsh Environment Program Any Measurement Computing product that is damaged due to misuse or any reason may be eligible for replacement with the same or similar device for 50 of the current list price I O boards face some harsh environments some harsher than the boards are designed to withstand Contact MCC to determine y...

Page 4: ... No license is granted by implication or otherwise under any patent or copyrights of Measurement Computing Corporation All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical by photocopying recording or otherwise without the prior written permission of Measurement Computing Corporation Notice Meas...

Page 5: ...iguring the PCI DAS TC 10 Connecting the board for I O operations 10 Connectors cables main I O connector 10 Pin out main I O connector 10 Field wiring signal termination and conditioning 11 Chapter 3 Functional Details 12 PCI DAS TC Block diagram 12 CIO STA TC screw terminal adapter board 13 Open thermocouple detection 13 Theory of operation 13 Isolated analog inputs 13 Processing and control 14 ...

Page 6: ...mes of manuals and help topic titles and to emphasize a word or phrase For example The InstaCal installation procedure is explained in the Quick Start Guide Never touch the exposed pins or circuit connections on the board Where to find more information The following electronic documents provide information relevant to the operation of your PCI DAS TC MCC s Specifications PCI DAS TC the PDF version...

Page 7: ...tain the screw terminals at a constant temperature You can configure open thermocouple detection OTD for each input channel with on board switches The CIO STA TC screw terminal board is mounted in an enclosure to minimize errors caused by local currents or air drafts The PCI DAS TC board is shipped fully calibrated from the factory with calibration coefficients stored in nonvolatile RAM At run tim...

Page 8: ...klet supplies a brief description of the software you received with your PCI DAS TC and information regarding installation of that software Please read this booklet completely before installing any software or hardware Optional components PCI DAS TC is also available as a kit MCC part number PCI DAS TC If you ordered this kit the optional components listed here are included with your shipment scre...

Page 9: ...plug and play There are no switches or jumpers to set on the board Configuration is controlled by your system s BIOS To install your board follow the steps below Install the MCC DAQ software before you install your board The driver needed to run your board is installed with the MCC DAQ software Therefore you need to install the MCC DAQ software before you install your board Refer to the Quick Star...

Page 10: ...ry will initialize the hardware according to these selections Connecting the board for I O operations Connectors cables main I O connector The table below lists the board connector applicable cable and compatible accessory equipment for the PCI DAS TC board Board connector applicable cable and accessory equipment Connector type 37 pin D type Compatible cable C37FFS x Figure 2 Compatible accessory ...

Page 11: ...signal termination and conditioning You can use the CIO STA TC isothermal block with CJC sensor terminal adapter board to terminate field signals and route them into the PCI DAS TC using the C37FFS x cable Details on this product are available on our web site at www mccdaq com com products screw_terminal_bnc aspx ...

Page 12: ...Channel Calibration Fout CLK IN V F Converter 10V Ref Gain Mux Input AMP 20 Channel Mux 37 Pin 10V Prec Ref 5V ISO 15V ISO 15V ISO Input Connector 9 9V CJC AGND TC Input Channels 0 15 Screw Terminal CJC Open Thermocouple Detection Switches 0 15 External DAS TC Screw Terminal For CJC 15ISO Thermocouple Input Channels Isolated Analog Input Section 32 BIT 33 MHz 5V PCI BUS PLX9050 PCI Interface Contr...

Page 13: ...Ω resistors that can be connected between the terminal of the thermocouple and a known voltage that is larger than any allowable thermocouple output The 20 MΩ resistors are large enough so that they do not affect the readings from the thermocouples If a thermocouple junction should open a 20 MΩ will drive the input voltage high enough so the software can recognize that it is not a valid thermocoup...

Page 14: ... linearization the microcontroller gets the raw frequency count from TIMER0 translates that into bits factors in the CJC correction and gain offset calibration then refers to a previously stored lookup table stored in ROM There is a separate table for each thermocouple The lookup tables are a method to optimize the linearization by using more reference points along areas of greatest temperature vo...

Page 15: ...um 21 6 msec 60 Hz typical 22 1 msec maximum 7 4 msec 400 Hz typical 7 9 msec maximum This is the total time to convert the channel process the data and provide a delay to switch the gain and channel Linearity error A D specs 0 05 4 MHz clock Gain drift A D specs 75 ppm C max Zero drift A D specs 50 uV C max Power supply rejection ratio 0 01 V Overvoltage protection 40 V to 55 V CMRR 60 Hz 80 dB m...

Page 16: ...ed with each calibration Processor reset On power up watchdog timeout or software command Processor boots within one second of reset Active low Watchdog timer 1 6 seconds nominal Processor generates watchdog disable signal after boot up Temperature units Programmable for conversion to C or F Interrupts INTA mapped to IRQn by PCIBIOS at boot time Interrupt enable Programmable Interrupt sources Dual...

Page 17: ...cale reading Power consumption Table 9 Power consumption specifications 5 V operating 887 mA typical 1441 mA maximum Environmental Table 10 Environmental specifications Operating temperature range 0 to 50 C Storage temperature range 20 to 70 C Humidity 0 to 90 non condensing Main connector and pin out Table 11 Main connector specifications Connector type 37 pin D type Compatible cable C37FFS x Com...

Page 18: ...LO CH13 LO CH13 HI CH11 LO CH11 HI CH9 LO CH9 HI CH7 HI CH5 LO CH5 HI CH3 LO CH3 HI CHh1 LO CH1 HI CJC INPUT 15V Isolated Voltage Source CH15 LO CH14 LO Analog Ground CH12 LO CH12 HI CH10 LO CH10 HI CH8 LO CH8 HI CH6 LO CH6 HI CH4 LO CH4 HI CH2 LO CH2 HI CH0 LO ...

Page 19: ...mmunity IEC 61000 4 4 2004 Electric Fast Transient Burst Immunity IEC 61000 4 5 2001 Surge Immunity IEC 61000 4 6 2003 Radio Frequency Common Mode Immunity IEC 61000 4 11 2004 Voltage Interrupts To maintain compliance to the standards of this declaration the following conditions must be met The host computer peripheral equipment power sources and expansion hardware must be CE compliant All I O cab...

Page 20: ...Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton Massachusetts 02766 508 946 5100 Fax 508 946 9500 E mail info mccdaq com www mccdaq com ...

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