Page 2 - Worldwide Offices
Worldwide Technical Support and Product Information ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 011 284 5011, Canada (Cal...
Page 3 - Important Information; Warranty; Copyright
Important Information Warranty The SCXI-1127 and SCXI-1128 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 replace equipment that proves...
Page 4 - Compliance; FCC/Canada Radio Frequency Interference Compliance*; Determining FCC Class; Class A; Class B; Federal Communications Commission
Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interference. The FCC places digital electronics into two classes. These classes are known as Class A (for use in industr...
Page 5 - Canadian Department of Communications; European Union - Compliance to EEC Directives
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Ca...
Page 6 - Conventions; File»Page Setup»Options; italic
Conventions The following conventions are used in this manual: < > Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name—for example, DBIO<3..0>. » The » symbol leads you through nested menu items and dialog box opti...
Page 7 - Contents; Accessing the SCXI-1127/1128 through Other SCXI Modules Using
© National Instruments Corporation vii SCXI-1127/1128 User Manual Contents Chapter 1Installing and Configuring the SCXI-1127/1128 Installing the Software ................................................................................................... 1-2Installing the Hardware ......................
Page 9 - Glossary
Contents © National Instruments Corporation ix SCXI-1127/1128 User Manual Glossary Index Figures Figure 1-1. Installing the SCXI-1127/1128 into an SCXI Chassis .......................... 1-4 Figure 1-2. 4-Slot Single-Chassis Installation ......................................................... 1-6 ...
Page 10 - Tables
Contents SCXI-1127/1128 User Manual x ni.com Figure 2-24. 8 × 16 Matrix Parts Locator Diagram ................................................... 2-27 Figure 2-25. 8 × 16 Matrix Schematic ....................................................................... 2-28 Figure 2-26. SCXI-1127/1128 Relay C...
Page 11 - 2, 2-wire multiplexer and several switch; Scanning
© National Instruments Corporation 1-1 SCXI-1127/1128 User Manual 1 Installing and Configuring the SCXI-1127/1128 The SCXI-1127 and SCXI-1228 modules are high-voltage multiplexer/matrix modules. The SCXI-1127 is a high-density armature relay module. The SCXI-1128 is a high-density solid-state relay ...
Page 12 - Matrix Expansion; Specifications; Installing the Software; Note; My Computer
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-2 ni.com In a matrix configuration, you can expand the columns of the matrix using the HVAB-backplane adapter. For example, you can connect two SCXI-1127/1128 modules via the HVAB-backplane adapter to create a 4 × 1...
Page 13 - Installing the Hardware
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-3 SCXI-1127/1128 User Manual The NI-SWITCH and NI-DMM version 1.5 installation window offers three choices: • Install NI-DMM —Choose this selection if you want to install only the software for the DMM. • Ins...
Page 14 - Installing the SCXI-1127/1128 Module into the SCXI Chassis; You need the following items to complete the installation:
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-4 ni.com Installing the SCXI-1127/1128 Module into the SCXI Chassis You need the following items to complete the installation: • SCXI-1127/1128 • SCXI chassis • 1/8 in. flathead screwdriver Figure 1-1. Installing th...
Page 15 - Connecting the SCXI-1127/1128 to the DMM in a Single-Chassis System; You need the following items for this installation:
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-5 SCXI-1127/1128 User Manual Note When installing the SCXI-1127/1128 module in an SCXI chassis, the rightmost slot (when the chassis is viewed from the front) must be filled first, then fill the slot to the ...
Page 16 - Single 4-Slot Chassis Configuration
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-6 ni.com Single 4-Slot Chassis Configuration Refer to Figures 1-2 and 1-3 to make connections in the single 4-slot chassis configuration. Figure 1-2. 4-Slot Single-Chassis Installation 1 SCXI-1127/1128 Module 2 4-Sl...
Page 17 - Install the 2-slot HVAB-backplane adapter behind slots 3 and 4.
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-7 SCXI-1127/1128 User Manual Figure 1-3. 4-Slot Configuration Parts Locator Diagram 1. Install the 2-slot HVAB-backplane adapter behind slots 3 and 4. 2. Install additional 1-slot HVAB-backplane adapters beh...
Page 18 - Single 12-Slot Chassis Configuration
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-8 ni.com Single 12-Slot Chassis Configuration Refer to Figures 1-4 and 1-5 to make connections in the single 12-slot chassis configuration. Figure 1-4. 12-Slot Single-Chassis Installation 1 SCXI-1127/1128 Module 2 1...
Page 19 - Notes
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-9 SCXI-1127/1128 User Manual Figure 1-5. 12-Slot Configuration Parts Locator Diagram 1. Install the 8-slot HVAB-backplane adapter behind slots 5 through 12. 2. Install additional 2-slot and 1-slot HVAB-backp...
Page 20 - Connecting the SCXI-1127/1128 to the DMM in a Multichassis System
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-10 ni.com Connecting the SCXI-1127/1128 to the DMM in a Multichassis System The following sections describe how to configure the following multichassis configurations: • 4-slot and 4-slot multichassis configuration ...
Page 21 - Refer to Figure 1-6 to set up this multichassis configuration.
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-11 SCXI-1127/1128 User Manual Refer to Figure 1-6 to set up this multichassis configuration. Figure 1-6. 4-Slot to 4-Slot Multichassis Configuration Parts Locator Diagram 1. Install the HVAB-backplane adapte...
Page 22 - Repeat steps 1 through 3 for each additional chassis.; -Slot and 12-Slot Multichassis Configuration; SCXI-1358 multichassis expansion kit
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-12 ni.com 2. Connect the HV8-HV8 cable from the first chassis, normally the connector behind slot 1, to the HVAB connector (behind slot 4) of the next chassis. 3. Connect the SH9MD-9MD cable from the AUX OUT connect...
Page 23 - Refer to Figure 1-7 to set up this multichassis configuration.
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-13 SCXI-1127/1128 User Manual Refer to Figure 1-7 to set up this multichassis configuration. Figure 1-7. 4-Slot to 12-Slot Multichassis Configuration Parts Locator Diagram 1 2-Slot HVAB-Backplane Adapter 2 1...
Page 24 - Single 12-Slot Chassis; 2-Slot and 12-Slot Multichassis Configuration
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-14 ni.com 1. Install the HVAB-backplane adapters and jumper blocks in the 12-slot chassis as described in steps 1 through 3 in Single 12-Slot Chassis Configuration . 2. Connect the HV8-HV8 cable from the first chass...
Page 25 - Refer to Figure 1-8 to set up this multichassis configuration.
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-15 SCXI-1127/1128 User Manual Refer to Figure 1-8 to set up this multichassis configuration. Figure 1-8. 12-Slot to 12-Slot Multichassis Configuration Parts Locator Diagram 1. Install the HVAB-backplane adap...
Page 26 - DMM in PXI Slots 1 through 7 Configuration
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-16 ni.com Notes Do not connect the SH9MD-9MD cable to the 2-slot HVAB-backplane adapter. An SCXI-1127/1128 is required in slot 12 of each 12-slot chassis to establish communications with all the chassis in the syste...
Page 27 - DMM in PXI Slot 8 Configuration; To install your DMM in PXI slot 8, follow these steps:
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-17 SCXI-1127/1128 User Manual 5. Connect the HV8-BAN4 cable from the DMM to the HVAB connector behind SCXI slot 4. 6. Connect the SH9MD-9MD cable from the DMM to the AUX IN connector. 7. You can install any ...
Page 28 - DMM in PXI Slots 1 through 3 Configuration
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-18 ni.com DMM in PXI Slots 1 through 3 Configuration To install your DMM in PXI slots 1 through 3, follow these steps: 1. Install your DMM in any one of the PXI slots 1 through 3. 2. In the SCXI subsystem, install t...
Page 29 - Attach your DAQ cable to the cable adapter at the rear connector.
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-19 SCXI-1127/1128 User Manual • At least one other SCXI module other than the SCXI-1127/1128, installed in the chassis Consult the documentation for your SCXI chassis and other SCXI modules for additional in...
Page 30 - Using a DAQ Device on a PXI-1010 Chassis
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-20 ni.com 3. Attach the other end of the DAQ cable to the National Instruments DAQ device. 4. Check the installation. 5. Turn on the SCXI chassis. 6. Turn on the computer or reconnect it to your chassis. If you alre...
Page 31 - Installing
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-21 SCXI-1127/1128 User Manual – SH9MD-9MD cable – 8-position HVAB plug – HV8-BAN4 cable • External DMM (if needed) • BAN2-WIRE kit (two kits needed for 4-wire), if not using the HV8-BAN4 cable • Cable or wir...
Page 32 - Configuring and Self-Test; SCXI Chassis User Manual; Auto-Detecting Modules
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-22 ni.com Note For the system to function properly, it must be controlled by a DAQ device or NI 4021 switch controller, or be a 2000 Series SCXI chassis. Configuring and Self-Test Run Measurement & Automation Ex...
Page 33 - Manually Adding Modules
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-23 SCXI-1127/1128 User Manual 2. You will see the chassis selected in the list. Display the list of modules in the chassis by clicking the + next to the Chassis icon. 3. Right-click the module you want to co...
Page 34 - Delete; Safety Information; Cautions; , or 60 VDC), that may be connected to any terminal block or
Chapter 1 Installing and Configuring the SCXI-1127/1128 SCXI-1127/1128 User Manual 1-24 ni.com To remove a module or chassis, right-click the chassis or module you want to remove and select Delete . To test the chassis configuration, right-click the chassis and select Test . Safety Information The f...
Page 35 - not
Chapter 1 Installing and Configuring the SCXI-1127/1128 © National Instruments Corporation 1-25 SCXI-1127/1128 User Manual National Instruments for service and repair to ensure that its safety features are not compromised. When using the terminal block with high common-mode voltages, you must insula...
Page 36 - Operating as a Multiplexer/Scanner
© National Instruments Corporation 2-1 SCXI-1127/1128 User Manual 2 Using the SCXI-1127/1128 This chapter discusses in detail the operation of the SCXI-1127/1128. There are two major modes of operation: multiplexer and matrix. A third mode of operation, independent mode, allows you to access advance...
Page 37 - Hardware-Timed and Software Scanning
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-2 ni.com The SCXI-1331 terminal block consists of a shielded board with 84 screw terminals for easy connection to the SCXI-1127/1128 input connector. The SCXI-1331 is shown in Figure 2-1. Figure 2-1. SCXI-1331 Signal Connections Dependi...
Page 38 - -Wire Channel Scanning Configuration
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-3 SCXI-1127/1128 User Manual The SCXI-1127/1128 contains a safety interlocking mechanism that prevents high voltages from appearing on the input connector when a terminal block is not present. However, when a SCXI-1331 or SCXI-1...
Page 39 - ). The positive terminal of channel 2 is labeled +2 with the; ) is shown connected to
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-4 ni.com Figure 2-3 shows an example of a 2-wire configuration using the SCXI-1331 terminal block. The diagram shows the 2-wire terminal block connections for channels 2, 5, 24, and 27. Channel 2 measures a voltage source (V 1 ). The po...
Page 40 - -Wire Channel Scanning Configuration
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-5 SCXI-1127/1128 User Manual 1-Wire Channel Scanning Configuration The SCXI-1127/1128 has 64, 1-wire channels in the multiplexer mode that are available through the SCXI-1331 terminal block. Figure 2-4 shows the SCXI-1127/1128 c...
Page 41 - -Wire Channel Scanning Configuration
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-6 ni.com Figure 2-5. 1-Wire Wiring Diagram Both channel 24 (V 1 ) and 59 (V 2 ) are measuring voltage sources. The positive terminal of these sources go to screw terminals labeled 24 and 59 respectively. The negative terminals or the co...
Page 44 - -Wire versus 2-Wire Resistance Measurement; When measuring R
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-9 SCXI-1127/1128 User Manual negative screw terminals and sensed via 1B positive and negative screw terminals. Note OUT0± and OUT2± are also referred to as COM0± in a 4-wire configuration. 4-Wire versus 2-Wire Resistance Measure...
Page 45 - resistances are introduced into the measurement:; Mixed Mode Configuration
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-10 ni.com current and the other for sensing the voltage developed across the resistor, as shown in Figure 2-9. Figure 2-9. Signal Connections for a 4-Wire Resistance Measurement Since ideally the impedance of the voltmeter is infinite, ...
Page 46 - There are two basic methods of scanning—
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-11 SCXI-1127/1128 User Manual Figure 2-10. Mixed Mode Scanning with an SCXI-1331 You can scan the channels in any sequence you want. You can connect more than one SCXI-1127/1128 module together using the HVAB-backplane adapter f...
Page 47 - synchronous scanning; Hardware-Timed Scanning
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-12 ni.com SCXI-1127/1128. In its simplest form, hardware-timed scanning uses one triggering signal to advance the multiplexer to the next channel in the scan. This is called synchronous scanning . Note When using a DMM with the SCXI-112...
Page 49 - Hardware-Timed Scanning Using a DMM; Hardware-Timed Scanning Using External Instruments
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-14 ni.com Hardware-Timed Scanning Using a DMM When using a DMM with the SCXI-1127/1128, synchronous mode is the only mode in which the DMM and the SCXI-1127/1128 operate. The DMM issues a trigger to advance the multiplexer at regular in...
Page 50 - Handshaking Scanning
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-15 SCXI-1127/1128 User Manual The module to which you connected your external DMM trigger signals is referred to as the cabled module. If you add additional SCXI-1127/1128 modules to your system, it is not necessary to cable the...
Page 52 - Software Scanning; ) connected to channel 3 on the
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-17 SCXI-1127/1128 User Manual Software Scanning Unlike hardware scanning, software scanning does not use hardware-generated triggers. In software scanning, a list of channels kept by the software is scanned by selecting the desi...
Page 53 - Data Acquisition»; palette. If you are using Measurement Studio or
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-18 ni.com Figure 2-16. Temperature Measurement Wiring Diagram The SCXI-1331 contains a cold-junction temperature sensor (CJS). This sensor is a special channel on the SCXI-1127/1128 dedicated to measuring the ambient temperature of the ...
Page 54 - Making RTD Measurements; versus 2-Wire Resistance Measurement; Making Thermistor Measurements
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-19 SCXI-1127/1128 User Manual NI-DAQ, use the Thermistor_Convert function. The VI takes the output voltage of the temperature sensor, the reference voltage, and the precision resistance and returns the thermistor temperature. Al...
Page 55 - Resistance Measurement; Operating as a Matrix; Matrix Configuration; 2 matrix. Similarly, the screw terminals for channel
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-20 ni.com the best accuracy, while 1-wire provides the maximum channel count. Use the 4-wire configuration to eliminate the effects of lead resistance on the measurement. Since the lead resistance is typically small when compared with t...
Page 56 - to one or all of the device under; Matrix Configuration; matrix when
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-21 SCXI-1127/1128 User Manual Figure 2-18 shows an example of the SCXI-1331 and SCXI-1127/1128 configured as a 1 × 32, 2-wire matrix. The diagram shows the 2-wire terminal block connections for channels 3, 15, 27 and OUT0. You c...
Page 57 - the columns and rows of the matrix. Refer to
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-22 ni.com Figure 2-19. SCXI-1332 Terminal Block The SCXI-1127/1128 installed with the SCXI-1332 provides you with an 4 × 8 matrix without any extra wiring except for hooking up your signals to the columns and rows of the matrix. Refer t...
Page 61 - To make a larger matrix, such as a 8
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-26 ni.com Figure 2-23. 8 × 8 Matrix Schematic To make a larger matrix, such as a 8 × 16 matrix, you must make both column and row expansions. Follow these instructions to build a larger matrix: 1. Expand the columns to the target number...
Page 62 - 6 matrix blocks, two in this
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-27 SCXI-1127/1128 User Manual 2. Expand the rows to the target number, 8 in this case, by connecting the columns of the appropriate number of 4 × 16 matrix blocks, two in this case, using matrix expansion cables. Figure 2-24 sho...
Page 63 - Figure 2-25 shows the schematic of the 8
Chapter 2 Using the SCXI-1127/1128 SCXI-1127/1128 User Manual 2-28 ni.com Figure 2-25 shows the schematic of the 8 × 16 matrix shown in Figure 2-24. Figure 2-25. 8 × 16 Matrix Schematic Cable #6 Cable #1 Cab le #5 Cab le #3 Cab le #2 Cab le #4 Terminal Block Boundary SCXI-1127/SCXI-1332 #1 R0 R1 R2 ...
Page 64 - Independent Mode
Chapter 2 Using the SCXI-1127/1128 © National Instruments Corporation 2-29 SCXI-1127/1128 User Manual Independent Mode The SCXI-1127/1128 powers up in independent mode. In this mode, you can close or open any switch on the module via NI-SWITCH to the SCXI-1127/1128. All software-controllable switche...
Page 66 - Input Characteristics; Transfer Characteristics
© National Instruments Corporation A-1 SCXI-1127/1128 User Manual A Specifications This appendix lists the specifications for the SCXI-1127/1128 modules. These specifications are typical at 25 ° C unless otherwise noted. SCXI-1127 Input Characteristics Number of relays availableas channels ............
Page 67 - Dynamic Characteristics; Volts
Appendix A Specifications for SCXI-1127 SCXI-1127/1128 User Manual A-2 ni.com Channel to channel crosstalk ..................50 Ω termination 10 kHz .............................................≤ –70 dB 100 kHz ...........................................≤ –57.79 dB 1 MHz ...............................
Page 68 - Physical; Approved at altitudes up to 2000 m.
Appendix A Specifications for SCXI-1127 © National Instruments Corporation A-3 SCXI-1127/1128 User Manual Physical Dimensions............................................. 3.0 by 17.2 by 20.3 cm (1.2 by 6.9 by 8.0 in.) Environment Operating temperature ..........................0 to 50 ° C Storage te...
Page 70 - Relay operate time (at 20
Appendix A Specifications for SCXI-1128 © National Instruments Corporation A-5 SCXI-1127/1128 User Manual Dynamic Characteristics Maximum operating speed ..................... 1200 cycles/s Relay operate time (at 20 ° C) ................ 0.25 ms typical, 0.5 ms max Relay release time (at 20 ° C) ......
Page 71 - Pollution Degree 2
Appendix A Specifications for SCXI-1128 SCXI-1127/1128 User Manual A-6 ni.com Pollution Degree 2 Indoor use only
Page 72 - Accessories; The SCXI-1332 terminal block converts the switch card to a 4
© National Instruments Corporation B-1 SCXI-1127/1128 User Manual B Accessories This appendix lists various National Instruments products you can use with your SCXI-1127/1128 module. • The SCXI-1331 terminal block has screw terminal connections for all channels, bank commons, analog bus, and trigger...
Page 74 - Customizing Your Module; the current-loop resistors is such that input channel
© National Instruments Corporation C-1 SCXI-1127/1128 User Manual C Customizing Your Module This appendix describes how to customize your SCXI-1127/1128 module for current-loop receiving. The SCXI-1127/1128 modules have plated through holes for transforming individual channels to current-to-voltage ...
Page 76 - matrix configuration.
© National Instruments Corporation D-1 SCXI-1127/1128 User Manual D SCXI-1127/1128 Front Connector This appendix contains connector diagrams for the SCXI-1127/1128 switch cards. The diagrams also show the signal names that are used when the modules are in 2-wire mode, 1-wire mode, 4-wire mode, and 4...
Page 81 - Signal Name
Appendix D SCXI-1127/1128 Front Connector SCXI-1127/1128 User Manual D-6 ni.com Table D-1. Front Connector Signal Description Signal Name Type Description +5 V(ISO) Output +5 VDC isolated source—Powers the temperature sensor on the terminal block GND Output Ground CJS ± Input Cold-junction Temperatu...
Page 82 - Common Questions; NI-SWITCH Software User Manual
© National Instruments Corporation E-1 SCXI-1127/1128 User Manual E Common Questions This appendix addresses common questions you may have while using your SCXI-1127/1128 module. How fast can I scan with the SCXI-1127/1128 module? The fastest scan rate for the SCXI-1127 is 100 scans/s, and the faste...
Page 83 - Must I install the complete high-voltage analog backplane?; 6 matrix in a 4-slot chassis. First install
Appendix E Common Questions SCXI-1127/1128 User Manual E-2 ni.com • If you use the SCXI-1127/1128 to initiate the scan, make sure the DMM is waiting for a trigger before enabling scanning on the SCXI-1127/1128. • If you use the DMM to initiate the scan, enable scanning on the SCXI-1127/1128 before c...
Page 84 - 6 matrix. Now install the two 1-slot adapters behind
Appendix E Common Questions © National Instruments Corporation E-3 SCXI-1127/1128 User Manual behind slots 3 and 4 you have connected the rows between slot 3 and 4 which creates a 4 × 16 matrix. Now install the two 1-slot adapters behind slots 1 and 2. Connect the two 1-slot adapters together with a...
Page 85 - Technical Support Resources; Web Support; The NI Developer Zone at; Customer Education; for online course schedules,; System Integration
© National Instruments Corporation F-1 SCXI-1127/1128 User Manual F Technical Support Resources Web Support National Instruments Web support is your first stop for help in solving installation, configuration, and application problems and questions. Online problem-solving and diagnostic resources inc...
Page 86 - Worldwide Support; . Branch office Web sites provide
Appendix F Technical Support Resources SCXI-1127/1128 User Manual F-2 ni.com Worldwide Support National Instruments has offices located around the world to help address your support needs. You can access our branch office Web sites from the Worldwide Offices section of ni.com . Branch office Web sit...
Page 87 - Prefix; Symbols
© National Instruments Corporation G-1 SCXI-1127/1128 User Manual Glossary Prefix Meanings Value n- nano- 10 – 9 µ- micro- 10 – 6 m- milli- 10 – 3 k- kilo- 10 3 M- mega- 10 6 G- giga- 10 9 Symbols ° degrees Ω ohms % percent ± plus or minus A A amperes AC alternating current ADE application developme...
Page 88 - See
Glossary SCXI-1127/1128 User Manual G-2 ni.com C C Celsius channel pin or wire lead on the multiplexer to which you apply or from which you read the analog or digital signal. Signals can be single-ended or differential. CJS cold junction sensor cold-junction compensation a method of compensating for...
Page 92 - watts
Glossary SCXI-1127/1128 User Manual G-6 ni.com W W watts wire data path between nodes
Page 93 - Index; Numbers; signal connections for 2-wire measurement
© National Instruments Corporation I-1 SCXI-1127/1128 User Manual Index Numbers 1-wire channel scanning configuration, 2-5 to 2-6 block diagram, 2-5wiring diagram, 2-6 1_WIRE_LO_REF signal description (table), D-6one-wire channel scanning configuration, 2-5 to 2-6 2-wire channel scanning configurati...
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