Page 3 - Important Information
Important Information Warranty The VXI-SC-1102,VXI-SC-1102B, and VXI-SC-1102C submodules are warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or...
Page 4 - Table; About This Manual
© National Instruments Corporation v VXI-SC-1102/B/C User Manual Table of Contents About This Manual Organization of This Manual ........................................................................................ ixConventions Used in This Manual....................................................
Page 5 - Glossary
Table of Contents VXI-SC-1102/B/C User Manual vi © National Instruments Corporation Chapter 4Theory of Operation Functional Overview .................................................................................................... 4-1VXIbus Interface .................................................
Page 6 - Tables
Table of Contents © National Instruments Corporation vii VXI-SC-1102/B/C User Manual Figure 3-1. VXI-SC-1102/B/C Front Connector Pin Assignments .......................... 3-2 Figure 3-2. Ground-Referenced Signal Connection ................................................. 3-5 Figure 3-3. Floating S...
Page 7 - About; Organization of This Manual
© National Instruments Corporation ix VXI-SC-1102/B/C User Manual About This Manual This manual describes the electrical and mechanical aspects of the VXI-SC-1102 family and contains information concerning their installation and operation. The VXI-SC-1102 family is a group of signal conditioning sub...
Page 8 - Conventions Used in This Manual
About This Manual VXI-SC-1102/B/C User Manual x © National Instruments Corporation • Chapter 4, Theory of Operation, contains a functional overview of the VXI-SC-1102/B/C submodules and explains the operation of each functional unit. • Chapter 5, Calibration, discusses the calibration procedures for...
Page 9 - National Instruments Documentation
About This Manual © National Instruments Corporation xi VXI-SC-1102/B/C User Manual examples. This font is also used for the proper names of disk drives, paths, directories, programs, subprograms, subroutines, device names, functions, variables, file names, and extensions, and for statements and com...
Page 10 - Related Documentation; Customer Communication
About This Manual VXI-SC-1102/B/C User Manual xii © National Instruments Corporation • Accessory installation guides or manuals—If you are using accessory products, read the terminal block and cable assembly installation guides or accessory device user manuals. They explain how to physically connect...
Page 11 - Chapter; Introduction
© National Instruments Corporation 1-1 VXI-SC-1102/B/C User Manual Chapter 1 Introduction This chapter describes the VXI-SC-1102 family of submodules; lists what you need to get started, optional software, and optional equipment; and explains how to unpack your VXI-SC-1102/B/C submodule. The VXI-SC-...
Page 13 - What You Need to Get Started
Chapter 1 Introduction © National Instruments Corporation 1-3 VXI-SC-1102/B/C User Manual The VXI-SC-1102/B/C submodules operate with full functionality with National Instruments VXI-MIO modules. You can multiplex several VXI-SC-1102/B/C submodules and other VXI signal conditioning submodules into a...
Page 14 - Software Programming Choices; National Instruments Application Software
Chapter 1 Introduction VXI-SC-1102/B/C User Manual 1-4 © National Instruments Corporation Software Programming Choices There are several options to choose from when programming your National Instruments VXI-DAQ hardware. You can use LabVIEW, LabWindows/CVI, ComponentWorks, VirtualBench, or other app...
Page 15 - NI-DAQ Driver Software
Chapter 1 Introduction © National Instruments Corporation 1-5 VXI-SC-1102/B/C User Manual NI-DAQ Driver Software The NI-DAQ driver software is included at no charge with all National Instruments DAQ hardware. NI-DAQ is not packaged with accessory products. NI-DAQ has an extensive library of function...
Page 16 - VXI; Optional Equipment
Chapter 1 Introduction VXI-SC-1102/B/C User Manual 1-6 © National Instruments Corporation VXI plug&play Instrument Driver National Instruments distributes VXIplug&play instrument drivers free of charge. VXIplug&play instrument drivers are one level above the NI-DAQ device driver and cont...
Page 17 - Unpacking
Chapter 1 Introduction © National Instruments Corporation 1-7 VXI-SC-1102/B/C User Manual Unpacking Your VXI-SC-1102/B/C submodule is shipped in an antistatic package to prevent electrostatic damage to the submodule. Electrostatic discharge can damage several components on the submodule. To avoid su...
Page 18 - Installation
© National Instruments Corporation 2-1 VXI-SC-1102/B/C User Manual Chapter 2 Installation This chapter describes how to install current-loop receivers on your VXI-SC-1102/B/C and gives information about installing your VXI-SC-1102/B/C into the VXI-SC-1000 carrier module. Refer to Figure 2-1, VXI-SC-...
Page 20 - Current-Loop Receivers
Chapter 2 Installation © National Instruments Corporation 2-3 VXI-SC-1102/B/C User Manual Current-Loop Receivers The VXI-SC-1102/B/C submodules have pads for transforming individual channels to current-to-voltage converters. National Instruments offers an SCXI Process Current Resistor Kit of four 24...
Page 21 - Installing Your Hardware
Chapter 2 Installation VXI-SC-1102/B/C User Manual 2-4 © National Instruments Corporation Installing Your Hardware Follow the instructions in the VXI-SC-1000 Carrier Module Installation Guide to install the assembled VXI-SC carrier module in the VXIbus chassis.
Page 22 - Signal Connections; Front Connector
© National Instruments Corporation 3-1 VXI-SC-1102/B/C User Manual Chapter 3 Signal Connections This chapter describes the analog input signal connections to the VXI-SC-1102/B/C submodule via the front connector. Caution: Static electricity is a major cause of component failure. To prevent damage to...
Page 24 - Signal Descriptions
Chapter 3 Signal Connections © National Instruments Corporation 3-3 VXI-SC-1102/B/C User Manual Signal Descriptions Channel Input Signal Connections The signal terminals for the positive input channels are located in column C of the connector. The signal terminal for each corresponding negative inpu...
Page 25 - Ground-Referencing Your Signals
Chapter 3 Signal Connections VXI-SC-1102/B/C User Manual 3-4 © National Instruments Corporation channel is ± 11 V. This common-mode input range for either positive or negative channel input is the maximum input voltage (relative to CGND) that will result in a valid measurement. Each channel includes...
Page 27 - Cold-Junction Sensor Connection
Chapter 3 Signal Connections VXI-SC-1102/B/C User Manual 3-6 © National Instruments Corporation Figure 3-3. Floating Signal Connection Referenced to Chassis Ground Cold-Junction Sensor Connection Pins A3 and A4 (CJSENSOR) connect the temperature sensor located on the National Instruments VXI-TB Seri...
Page 28 - Theory of Operation; Functional Overview
© National Instruments Corporation 4-1 VXI-SC-1102/B/C User Manual Chapter 4 Theory of Operation This chapter contains a functional overview of the VXI-SC-1102/B/C submodules and explains the operation of each functional unit. Functional Overview The block diagram in Figure 4-1 illustrates the key f...
Page 29 - VXIbus Interface
Chapter 4 Theory of Operation VXI-SC-1102/B/C User Manual 4-2 © National Instruments Corporation The major components of the VXI-SC-1102/B/C submodules are as follows: • VXIbus interface • Digital control circuitry • Analog circuitry The VXI-SC-1102/B/C submodules consist of 32 multiplexed input cha...
Page 30 - Analog Circuitry; Analog Input Channels
Chapter 4 Theory of Operation © National Instruments Corporation 4-3 VXI-SC-1102/B/C User Manual Introduction, of this manual to learn about options for programming the control circuitry. Analog Circuitry The analog circuitry per channel consists of a lowpass filter and an amplifier with a software-...
Page 31 - Analog Output
Chapter 4 Theory of Operation VXI-SC-1102/B/C User Manual 4-4 © National Instruments Corporation Analog Output The 32 input channels and the CJSENSOR are multiplexed into one output. This output is passed to the VXI-SC-1000 carrier module, where it is connected to the analog bus for measurement by a...
Page 32 - Calibration; Calibration Equipment Requirements
© National Instruments Corporation 5-1 VXI-SC-1102/B/C User Manual Chapter 5 Calibration This chapter discusses the calibration procedures for the VXI-SC-1102/B/C submodules. Using the procedure described in this chapter, you will be able to calculate the gain error and voltage offset on a per chann...
Page 33 - Gain and Offset Calibration
Chapter 5 Calibration VXI-SC-1102/B/C User Manual 5-2 © National Instruments Corporation and reading the measured value. This value, the DMM offset, must be subtracted from all subsequent measurements. Measure the submodule’s output at the analog bus receptacle (see Figure 1-1 for the location of th...
Page 36 - Appendix; Specifications; Analog Input
© National Instruments Corporation A-1 VXI-SC-1102/B/C User Manual Appendix A Specifications This appendix lists the specifications for the VXI-SC-1102/B/C submodules. These specifications are typical at 25 ° C unless otherwise noted. VXI-SC-1102/B/C Analog Input Input Characteristics Number of chan...
Page 37 - Amplifier Characteristics
Appendix A Specifications VXI-SC-1102/B/C User Manual A-2 © National Instruments Corporation Gain error Gain = 1 After calibration .................... 0.015% of reading max Before calibration ................. 0.04% of reading Gain = 100 After calibration .................... 0.02% of reading max B...
Page 38 - Filters
Appendix A Specifications © National Instruments Corporation A-3 VXI-SC-1102/B/C User Manual System noise (related to input) Filters Cutoff frequency (–3 dB) ....................2 Hz (1102) 200 Hz (1102B)10 kHz (1102C) NMR (60 Hz) ......................................40 dB Step response (either gai...
Page 39 - Environment
Appendix A Specifications VXI-SC-1102/B/C User Manual A-4 © National Instruments Corporation Environment Operating temperature ........................ 0 ° to 50 ° C Storage temperature ........................... –55 ° to 150 ° C Relative humidity ............................... 5% to 90% nonconden...
Page 40 - Calibration Sample Program; Sample Program for Calibration
© National Instruments Corporation B-1 VXI-SC-1102/B/C User Manual Appendix B Calibration Sample Program This chapter contains a sample program to help you calibrate your submodule. Sample Program for Calibration The following sample C program will help you calibrate the VXI-SC-1102/B/C submodules. ...
Page 44 - Electronic Services; Bulletin Board Support
© National Instruments Corporation C-1 VXI-SC-1102/B/C User Manual Appendix C Customer Communication For your convenience, this appendix contains forms to help you gather the information necessary to help us solve your technical problems and a form you can use to comment on the product documentation...
Page 45 - Telephone and Fax Support; Telephone
Fax-on-Demand is a 24-hour information retrieval system containing a library of documents on a wide range of technical information. You can access Fax-on-Demand from a touch-tone telephone at (512) 418-1111. You can submit technical support questions to the applications engineering team through e-ma...
Page 46 - Technical Support Form
Technical Support Form Photocopy this form and update it each time you make changes to your software or hardware, and use the completed copy of this form as a reference for your current configuration. Completing this form accurately before contacting National Instruments for technical support helps ...
Page 48 - Documentation Comment Form
Documentation Comment Form National Instruments encourages you to comment on the documentation supplied with our products. This information helps us provide quality products to meet your needs. Title: VXI-SC-1102/B/C User Manual Edition Date: August 1997 Part Number: 321385B-01 Please comment on the...
Page 55 - Index; Numbers
© National Instruments Corporation I-1 VXI-SC-1102/B/C User Manual Index Numbers +5 V signal (table), 3-3 A address handler, 4-2analog circuitry, 4-3 to 4-4 analog input channels, 4-3analog output, 4-4 analog input specifications, A-1 to A-4 amplifier characteristics, A-2dynamic characteristics, A-2...
