National Instruments SC-2345 Carrier User Manual
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National Instruments SC-2345 Carrier User Manual

Signal conditioning
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Signal Conditioning
SC-2345/2350 Carrier User Manual
SC-2345/2350 Carrier User Manual
July 2007
371064F-01

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  • Page 1 Signal Conditioning SC-2345/2350 Carrier User Manual SC-2345/2350 Carrier User Manual July 2007 371064F-01...
  • Page 2 Thailand 662 278 6777, Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545 For further support information, refer to the Technical Support Information document that shipped with the device. To comment on National Instruments documentation, refer to the National Instruments Web site at ni.com/info...
  • Page 3 The reader should consult National Instruments if errors are suspected. In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it.
  • Page 4 INSTRUMENTS, THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION, INCLUDING, WITHOUT LIMITATION, THE APPROPRIATE DESIGN, PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION.
  • Page 5 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, AO <3..0>. » The » symbol leads you through nested menu items and dialog box options to a final action.

  • Page 6: Table Of Contents

    Configuring the SC-2350 Carrier as a DAQ Accessory ..........1-6 TEDS ..........................1-9 Importing TEDS Information ................1-10 Importing Virtual TEDS Sensor Information..........1-12 Affixing the Quick Reference Label to the SC-2345 Carrier ........1-15 Connecting Power to the SC-2345/2350 Carrier ............1-15 SCC-PWR01....................1-17 SCC-PWR02....................1-18 SCC-PWR03....................1-19 Installing SCC Modules in the SC-2345/2350 Carrier........1-19...
  • Page 7 Contents Appendix D Common Questions Glossary Index SC-2345/2350 Carrier User Manual viii ni.com...

  • Page 8: Setting Up The Sc-2345/2350 Carrier

    SC-2345/2350 carrier with configurable connectors to suit your application. The rack-mount option is available for standard 19 in. racks. SC-2345 Carrier The SC-2345 carrier supports analog I/O and digital I/O SCC modules. The SC-2345 is available in the following forms: •...

  • Page 9: Sc-2350 Carrier

    (to connect 100-pin devices to two 68-pin connectors) – One or more SCC modules – Rack-mount or stack-mount kit (optional) – One or more I/O panelettes Note You cannot use the I/O panelettes on the SC-2345 carrier with connector block. SC-2345/2350 Carrier User Manual ni.com...

  • Page 10: Installing The Driver Software

    100-pin or 68-pin E/M Series DAQ device documentation – DAQ Getting Started Guide – Read Me First: Safety and Radio-Frequency Interference – SC-2345 carrier Quick Reference Label, if you have an SC-2345 carrier ❑ Tools – 1/8 in. flathead screwdriver –...

  • Page 11: Connecting The Sc-2345/2350 Carrier To The Daq Device

    The chassis ground terminal on the SC-2345 carrier and the electromagnetic interference (EMI) gasket attached to the strain relief of the SC-2345 carrier are for grounding a floating source (1 mA maximum). Do not use these terminals as safety earth grounds.
  • Page 12 Specify the SCC Carrier Type. The location of the SCC sockets changes depending on the SCC carrier type. In the drop-down listbox under DAQ Device, select the E/M Series DAQ device that is connected to the SC-2345 carrier. Type the SCC Connector Block ID. The default value is SCC1 In the J21 drop-down listbox next to Power, select the correct SC-2345 power configuration.

  • Page 13: Configuring The Sc-2350 Carrier As A Daq Accessory

    Click OK after completing all SCC module entries. Click OK to complete the configuration process and close MAX. You have completed the steps to configure the SC-2345 carrier as an E/M Series DAQ device accessory. Note Configuring the SCC system using MAX automatically sets the E/M Series DAQ device analog input mode to NRSE.
  • Page 14 Chapter 1 Setting up the SC-2345/2350 Carrier Figure 1-2. MAX Window with the SC-2350 Carrier Selected Click Finish. The SC-2350 Configuration window opens. © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 15 Chapter 1 Setting up the SC-2345/2350 Carrier To configure the SCC system, complete the following steps: Figure 1-3. SC-2350 Configuration Window In the drop-down listbox located under DAQ Device, select the E/M Series DAQ device that is connected to the SC-2350 carrier. Type the SCC Connector Block ID.

  • Page 16: Teds

    Software can use TEDS data to streamline measurement setup. Advantages and disadvantages to using TEDS-compatible sensors include the following: • Smart, or hardware, TEDS—Provides easier connectivity. You can plug it in and automatically set up your measurement system. © National Instruments Corporation SC-2345/2350 Carrier User Manual...

  • Page 17: Importing Teds Information

    Chapter 1 Setting up the SC-2345/2350 Carrier • Virtual, or software, TEDS (also part of the IEEE P1451.4 specification)—Obtains sensor information from a vendor Web site, instead of an EEPROM. The information is free and does not require a hardware upgrade. However, you must manually select the correct channel and sensor.
  • Page 18 Setting up the SC-2345/2350 Carrier As shown in Figure 1-4, MAX scans and maps the TEDS information under the SC-2350 carrier. Figure 1-4. TEDS Sensor Information Scanned and Mapped Into MAX © National Instruments Corporation 1-11 SC-2345/2350 Carrier User Manual...

  • Page 19: Importing Virtual Teds Sensor Information

    Chapter 1 Setting up the SC-2345/2350 Carrier To view the TEDS sensor data sheet, click the TEDS listing under the SC-2350 in MAX. The TEDS sensor data sheet opens as shown in Figure 1-5. Figure 1-5. TEDS Sensor Data Sheet Verify that the TEDS data is correctly imported.
  • Page 20 Virtual TEDS sensor associated to and select Configure TEDS. The Configure TEDS window opens as shown in Figure 1-6. Figure 1-6. Configure TEDS Window Click Import Virtual TEDS. © National Instruments Corporation 1-13 SC-2345/2350 Carrier User Manual...
  • Page 21 Chapter 1 Setting up the SC-2345/2350 Carrier The virtual TEDS directory opens as shown in Figure 1-7. Figure 1-7. Virtual TEDS Directory Press <Ctrl> and select the virtual TEDS file you want to import into MAX to associate with the SCC module. Click OK.

  • Page 22: Affixing The Quick Reference Label To The Sc-2345 Carrier

    Carrier Note Only the SC-2345 carrier is shipped with a Quick Reference Label. Affix the Quick Reference Label to the inside cover of the SC-2345 carrier. You will refer to the Quick Reference Label when installing the SCC modules. Connecting Power to the SC-2345/2350 Carrier...
  • Page 23 Chapter 1 Setting up the SC-2345/2350 Carrier 1 SC-2345 Carrier 5 Connector J24 (Connects to 68-Pin 2 SC-2345 Carrier with Configurable E/M Series DAQ Device) Connectors, Side Cabled 6 Connector J25 (Connects to PS01 Power Supply 3 SC-2350 Carrier with Configurable...

  • Page 24: Scc-Pwr01

    5 V and wire the negative lead to the screw terminal labeled GND. If you are using the SC-2345 carrier, pass the leads through the strain relief on the front of the enclosure. If you are using an SC-2345/2350 with configurable connectors, use a strain-relief panelette for the leads.

  • Page 25: Scc-Pwr02

    Chapter 1 Setting up the SC-2345/2350 Carrier SCC-PWR02 The SCC-PWR02 is a two-part system that consists of a desktop power supply (PS01) and a filtering component (SCC-PWR02 inside the carrier enclosure). The PS01 is a 15 W switching supply powered by 90 to 264 VAC (50/60 Hz 1.0 A).

  • Page 26: Scc-Pwr03

    Installing SCC Modules in the SC-2345/2350 Carrier For instructions about how to install SCC modules in the SC-2345/2350 carrier and information about signal conditioning with SCC modules, refer to the SCC Quick Start Guide. © National Instruments Corporation 1-19 SC-2345/2350 Carrier User Manual...
  • Page 27 Start»Programs» ni.com/manuals National Instruments»NI-DAQ»Browse Device Documentation after you install the DAQ documentation browser. Figure 2-1 shows the locations of the digital signals on the SC-2345 and SC-2350 terminal block when using an E Series or M Series connector 0.

  • Page 28: Rack-Mounting And Stack-Mounting Options

    Chapter 2 Connecting Signals to the Terminal Block of the SC-2345/2350 Carrier Not Used Not Used Not Used Not Used D GND AI SENSE PFI 14/FREQ OUT D GND PFI 10/EXTSTROBE* PFI 12/CTR 0 OUT D GND PFI 13/CTR 1 OUT PFI 8/CTR 0 SOURCE D GND PFI 9/CTR 0 GATE...

  • Page 29: Installing The Stack-Mount Kit

    Place the upper enclosure on top of the lower enclosure. Attach the stack-mount brackets to both ends of both enclosures with the 4-40 × 1/4 in. flathead screws from the stack-mount kit. © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 30 Chapter 2 Connecting Signals to the Terminal Block of the SC-2345/2350 Carrier × 1 4-40 1/4 in. Screws 2 Stack-Mount Brackets 3 Handle Screws Figure 2-3. Stack-Mount Option You can stack additional enclosures by using additional stack-mount kits. You can remove the stack-mount kit handles, if necessary, by removing the four screws that attach the handles.

  • Page 31: Appendix A Specifications

    Output noise (0.1 to 10 Hz)....4 μV Load regulation < 10 mA..... 100 μV/mA Sourcing 0 < I < 0 mA..... 400 μV/mA Sinking –10 < I Quiescent current ........2 mA Power consumption........ 30 mW, 15 V © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 32 Appendix A Specifications LED Power Requirements 6.5 mA at 5 V .........32.5 mW 9 mA at 15 V ..........135 mW 9 mA at –15 V ........135 mW Maximum Working Voltage Refer to your DAQ device documentation for the voltage specifications for your Cautions DAQ device.
  • Page 33 26.2 cm (1.73 in.) (10.31 in.) Figure A-1. SC-2345 Connector Block Dimensions Weight ............ 1.66 kg (3 lb 10 oz) I/O connectors ........One 68-pin male SCSI connector; one 6-pin male power connector © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 34 Appendix A Specifications SC-2345 with Configurable Connectors (Rear and Side Cabled) 25.4 cm (10.00 in.) 4.9 cm 30.75 cm (1.93 in.) (12.11 in.) Figure A-2. SC-2345 With Configurable Connectors Dimensions Weight ............1.51 kg (3 lb 5 oz) I/O connectors.........User-defined panelettes; one 68-pin male SCSI connector;...
  • Page 35 EN 61326 EMC requirements; Minimum Immunity • EN 55011 Emissions; Group 1, Class A • CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A For EMC compliance, operate this device according to product documentation. Note © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 36 Waste Electrical and Electronic Equipment (WEEE) At the end of their life cycle, all products must be sent to a WEEE recycling EU Customers center. For more information about WEEE recycling centers and National Instruments WEEE initiatives, visit ni.com/environment/weee.htm RoHS...
  • Page 37 Quiescent current ........2 mA Power consumption........ 30 mW LED Power Requirements 6.5 mA at 5 V ......... 32.5 mW 9 mA at 15 V .......... 135 mW 9 mA at –15 V........135 mW © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 38 Appendix A Specifications Maximum Working Voltage Refer to your DAQ device documentation for the voltage specifications for your Cautions DAQ device. Ensure that signals connected to SCC modules are used within the voltage ratings of the modules to which they are connected. Refer to your SCC-XX user manual for the voltage specifications for your SCC module.
  • Page 39 Figure A-3. SC-2350 Dimensions Weight ............ 1.60 kg (3 lb 8.8 oz) I/O connectors ........User-defined panelettes; one 68-pin male SCSI connector; one 6-pin male power connector; one 50-pin male test header © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 40 Appendix A Specifications Environmental Operating temperature ......0 to 50 °C Storage temperature ........–20 to 70 °C Humidity ..........10 to 90% RH, noncondensing Maximum altitude........2,000 m Pollution Degree (indoor use only) ..2 Safety This product is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: •...
  • Page 41 Waste Electrical and Electronic Equipment (WEEE) At the end of their life cycle, all products must be sent to a WEEE recycling EU Customers center. For more information about WEEE recycling centers and National Instruments WEEE initiatives, visit ni.com/environment/weee.htm RoHS...
  • Page 42 Appendix A Specifications SCC Power Modules SCC-PWR01 Input DC input voltage From external power source ....+5 VDC ±5% From E/M Series DAQ device ..+5 VDC ±5% DC input power ........500 mW without SCC modules Output Maximum Power Output by Voltage Level +5 VDC +15 VDC –15 VDC...
  • Page 43 Other Features (PS01) Short-circuit protection ......Yes Overvoltage protection......343 VAC (130%) Dimensions of the external supply..15.5 cm × 8.5 cm × 4.8 cm (6.1 in. × 3.3 in. × 1.9 in.) © National Instruments Corporation A-13 SC-2345/2350 Carrier User Manual...
  • Page 44 Appendix A Specifications Environment for External Supply Operating temperature ......0 to 40 °C Storage temperature ........–20 to 80 °C Relative humidity ........10 to 90%, noncondensing Maximum altitude........2,000 m Pollution Degree (indoor use only) ..2 SCC-PWR03 Input DC input voltage........7 to 42 VDC Reverse-voltage protection .....–42 VDC max Power ............325 mA at 12 VDC Output...
  • Page 45 Figure B-1. For more information about the SC-2345/2350 carrier connector locations, refer to the SCC Quick Start Guide. 1 Pin 1 2 Pin 2 3 PWB Key 4 Pin 19 5 Pin 20 Figure B-1. SCC Module Bottom View © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 46 Appendix B Carrier Socket Signal Assignments SC-2345 Carrier Table B-1. SC-2345 Carrier—Sockets J1–J16 J9–J16: Digital I/O or J1–J8: Single- or Pin Number Single-Stage Analog Input Dual-Stage Analog Input AI (X)+ to second stage AI (X) to DAQ device AI (X)– to second stage —...
  • Page 47 Appendix B Carrier Socket Signal Assignments Table B-2. SC-2345 Carrier—Sockets J17–J18 Pin Number J17–J18: Analog Output DAC0 J17–J18: Analog Output DAC1 AO 0 AO 1 AO GND AO GND AO 1 AO 0 AO GND AO GND APFI 0/AO EXT REF...
  • Page 48 Appendix B Carrier Socket Signal Assignments Table B-3. SC-2345 Carrier—Sockets J19–J20 Pin Number J19–J20: GPCTR 0 J19–J20: GPCTR 1 PFI 12/CTR0 OUT PFI 13/CTR1 OUT PFI 14/FREQ OUT PFI 14/FREQ OUT PFI 9/CTR 0 GATE PFI 4/ CTR 1 GATE P0.6...
  • Page 49 AI (X+8) to DAQ device — AI GND PFI 7/AI SAMP CLK — +5 V A GND REF 5 V +15 V –15 V 1-Wire (X+8) 1-Wire (X) — — — — © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 50 Appendix B Carrier Socket Signal Assignments Table B-5. SC-2350—Sockets J17–J18 Pin Number J17: Analog Output DAC0 J18: Analog Output DAC1 AO 0 AO 1 AO GND AO GND AO 1 AO 0 AO GND AO GND APFI 0/AO EXT REF APFI 0/AO EXT REF PFI 5/AO SAMP CLK PFI 5/AO SAMP CLK...
  • Page 51 External chassis GND External +15 VDC External common External –15 VDC External common DAQ device +5 VDC DAQ device GND DAQ device +5 VDC DAQ device GND DAQ device +5 VDC DAQ device GND © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 52 Appendix B Carrier Socket Signal Assignments Table B-7. SC-2345/2350 Carrier—SCC-PWR0X Module Pin Signal Assignments (Socket J21) Number PWR01 Signal PWR02 Signal PWR03 Signal Signal Description A GND A GND A GND Ground reference for ±15 V supply AI GND AI GND AI GND Signal ground from E/M Series DAQ device...
  • Page 53 AI TEDS CHRTN (15) 43 44 AO TEDS CHDATA (0) AO TEDS CHRTN (0) 45 46 47 48 AO TEDS CHDATA (1) AO TEDS CHRTN (1) 49 50 NC = No Connect © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 54 Use Table C-3 and the sections that follow to determine which power option works for your system. The calculated power requirement must be lower than the available power for each power type. © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 55 Appendix C SCC Power Requirements and Solutions Table C-1. Power Requirements of SCC Modules by Module Type Maximum Maximum Analog Number of Analog Power Digital Power Digital Power SCC Module Power Required Modules per Required by Required by Required (mW) Carrier Module Type Module Type...
  • Page 56 2 m or less in length. Refer to the Calculating the Power Available from the SCC-PWR01 section. * Subtract 0.08 W for the SC-2350 carrier due to its TEDS circuitry. © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 57 Analog power available is limited by the 2 W DC–DC converter on the SC-2345/2350 carrier and cannot exceed 1.74 W. SC-2345 Carrier For the SCC-PWR01 to supply enough power for your SCC configuration in the SC-2345 carrier, the following three conditions must be true: ≤ P AMax ≤ P DMax + 0.45 W ≤...
  • Page 58 Calculating the Power Available from the SCC-PWR02 The following section discusses the conditions which must be met for the SCC-PWR02 to supply enough power for the SCC configuration on the SC carriers. © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 59 SCC-PWR03 to supply power to the SCC configuration on the SC carriers. SC-2345 Carrier For the SCC-PWR03 to supply enough power for your SCC configuration in the SC-2345 carrier, the following three conditions must be true: ≤ P AMax ≤ P /0.62 + P...
  • Page 60 SCC configuration, in watts; is the maximum digital power available in watts, from DMax Table C-3; and is the rating of the power supply in watts. © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 61 Use an SCC-AI01 isolated analog input module. The SCC-AI01 has an input range of ±42 V and applies a gain of 0.2, yielding a signal of ±8.4 V. This produces a signal within the input range of the E/M Series DAQ device. © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 62 Appendix D Common Questions I am taking measurements from a strain gage mounted on a motor, and I am concerned that voltages from the motor might damage my E/M Series DAQ device. What can I use for isolation? In this case, to make an isolated-strain measurement, use two SCC modules.
  • Page 63 Appendix D Common Questions E/M Series DAQ device digital (P0.0) channel. Only the SC-2345 carrier can support a digital module. Use software to associate the channels with one another. How can I use the SC-2350 carrier to write to the IEEE P1451.4...
  • Page 64 Symbols percent positive of, or plus ° degree Ω amperes analog input channel signal AI GND analog input ground signal AI HOLD COMP scan clock signal AI SAMP CLOCK start clock signal © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 65 Glossary AI SENSE analog input sense signal AO SAMP CLK update signal AO GND analog output ground signal used in the product names of E Series DAQ devices based on the ISA bus architecture, for example, AT-MIO-16E American Wire Gauge Celsius channel channel...
  • Page 66 E Series a standard architecture for instrumentation-class, multichannel data acquisition devices electromagnetic interference EXT REF external reference signal EXTSTROBE external strobe signal © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 67 Glossary frequency cutoff filtering a type of signal conditioning that allows you to filter unwanted signals from the signal you are trying to measure FREQ OUT frequency output signal a unit of acceleration equal to 9.80 m/s gain the factor by which a signal is amplified, sometimes expressed in decibels hour hardware the physical components of a computer system, such as the circuit boards,...
  • Page 68 NI-DAQ National Instruments driver software for DAQ hardware noise an undesirable electrical signal—noise comes from external sources such...
  • Page 69 Glossary analog power a hole in the PWB used by the customer for signal connection panelette small panels fitted with one or more connectors, controls, or indicators Peripheral Component Interconnect—a high-performance plug-and-play expansion bus architecture used in some E Series DAQ devices digital power peak to peak a measure of signal amplitude;...
  • Page 70 ID, and custom user data, stored in an EEPROM embedded in an analog sensor. For information on IEEE P1451.4 TEDS-compatible smart sensors, refer to ni.com/zone © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 71 Glossary TEDS Class I sensor a smart TEDS sensor with a constant-current powered transducer with a two-wire interface such as an accelerometer. Class 1 transducers also include diodes or analog switches with which the multiplexing of the analog signal with the digital TEDS information on the single-pair of wires is possible.
  • Page 72 Glossary watts working voltage the highest voltage that should be applied to a product during normal use, normally well under the breakdown voltage for safety margin © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 73 (figure), 2-4 isolated analog input, D-1 SCC modules SCC power requirements and solutions, C-1 SCC socket configuration and color codes mounting options, 2-2 (figure), 2-1 rack-mount option (figure), 2-3 stack-mount option (figure), 2-4 © National Instruments Corporation SC-2345/2350 Carrier User Manual...
  • Page 74 A-14 pin assignments (figure), 2-2 signal connections terminal-block signal connections, 2-1 specifications SC-2345, A-1 virtual TEDS, 1-10 SC-2350, A-7 SCC PWR power modules SCC-PWR01, A-12 Web, National Instruments, 1-3 SCC-PWR02, A-13 SCC-PWR03, A-14 SC-2345/2350 Carrier User Manual ni.com...

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