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DAQ
SCB-68 68-Pin Shielded
Connector Block User Manual
SCB-68 Shielded Connector Block User Manual
December 2002 Edition
Part Number 320745B-01
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Support Worldwide Technical Support and Product Information ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 683 0100 Worldwide Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 55 11 3262 3599, Canada (Calgary) 403 274 9391, Canada (Montreal) 514 288 5722, Canada (Ottawa) 613 233 5949, Canada (Québec) 514 694 8521, Canada (Toronto) 905 785 0085, China 86 21 6555 7838, Czech Republic 02 24
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Important Information Warranty The SCB-68 is 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 to be defective during the warranty period. This warranty includes parts and labor. The media on which you receive National Instruments software are warranted not to fail to execute programming instructions, due
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Compliance FFCC/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 industrial-commercial locations only) or Class B (for use in residential or commercial locations). Depending on where it is operated, this product could be subject to restrictions in the FCC rules. (In
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Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. Compliance to EU Directives Readers in the European Union (EU) must refer to the Manufacturer’s Declaration of Conformity (DoC) for information* pertaining to the CE Marking compliance scheme. The Manufacturer includes a DoC for
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Contents About This Manual Conventions ...................................................................................................................xi NI Documentation..........................................................................................................xii Chapter 1 Introduction What You Need to Get Started ......................................................................................1-1 Quick Reference Label .....................................................
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Contents Single-Ended Connection Considerations ...................................................... 3-8 Single-Ended Connections for Floating Signal Sources (RSE Input Mode).......................................................................... 3-9 Single-Ended Connections for Grounded Signal Sources (NRSE Input Mode)....................................................................... 3-9 Connecting Analog Output Signals.................................................................
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Contents Selecting a Resistor .........................................................................................5-17 Adding Components........................................................................................5-18 Single-Ended Inputs..........................................................................5-18 Differential Inputs .............................................................................5-18 Attenuating Voltage...............................................
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About This Manual This manual describes the SCB-68 and explains how to use the connector block with National Instruments data acquisition (DAQ) devices. Conventions The following conventions appear 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, DIO<3..0>. » The » symbol leads you through nested menu items and dialog box options to a final action. The sequence File»Page Setup»Options
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About This Manual NI Documentation For more information about using the SCB-68 with DAQ devices, refer to the following resources: DAQ device user manuals, at ni.com/manuals NI Developer Zone, at ni.com/zone SCB-68 Shielded Connector Block User Manual xii ni.com
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1 Introduction The SCB-68 is a shielded I/O connector block with 68 screw terminals for easy signal connection to a National Instruments 68- or 100-pin DAQ device. The SCB-68 features a general breadboard area for custom circuitry and sockets for interchanging electrical components. These sockets or component pads allow RC filtering, 4 to 20 mA current sensing, open thermocouple detection, and voltage attenuation. The open component pads allow signal conditioning to be easily added to the
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Chapter 1 Introduction ❑ The following items, if you are adding components (optional): – Soldering iron and solder – Resistors – Capacitors Quick Reference Label A quick reference label for E Series devices is included in this kit. Quick reference labels for some other devices ship with the DAQ device itself. These labels show the switch configurations and define the screw terminal pinouts for compatible DAQ devices. You can put the label on the inside of the SCB-68 cover for easy reference
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Chapter 1 Introduction Table 1-1. Device-Specific Hardware Configuration (Continued) Device Cable Assembly Features NI 6024E for PCMCIA SCH68-68-EP, Direct feedthrough only (DAQCard-6024E), RC68-68 Thermocouple measurements NI 6036E for PCMCIA Open thermocouple detection (DAQCard-6036E), Current input NI 6062E for PCMCIA Filtering (DAQCard-6062E) Voltage dividers AC coupling NI 6012E for PCMCIA PSHR68-68, Direct feedthrough only (DAQCard-AI-16XE-50), PR68-68F Thermocouple measurements NI 6041E
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Chapter 1 Introduction Table 1-1. Device-Specific Hardware Configuration (Continued) Device Cable Assembly Features S Series Devices NI 6110/6111 for PCI SH68-68-EP Direct feedthrough only SH68-68R1-EP, R6868 NI 6115/6120 SH68-68-EP Direct feedthrough only for PCI/PXI/CompactPCI SH68-68R1-EP, R6868 Timing I/O (TIO) Devices NI 6601/6602 SH68-68-D1, Direct feedthrough only for PCI/PXI/CompactPCI R6868 Other Devices NI 250X SH68-68 Direct feedthrough only for PXI/CompactPCI NI 4350 for PCMCIA SH68
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Chapter 1 Introduction 1 2 3 10 9 4 5 6 8 7 1 Quick Reference Label 4 Lock Washers 8 Strain-Relief Bars 2 Cover 5 Shielding Screws 9 Strain-Relief Screws 3 68-Pin Connector 6 68-Pin I/O Connector 10 Circuit Card Assembly Screws 7Base Figure 1-1. SCB-68 Parts Locator Diagram Installing Cables The following sections describe how to cable one or more SCB-68 connector blocks to a DAQ device using 68-pin or 100-pin cables. Note For the I/O connector pinout of the DAQ device, refer to the device u
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Chapter 1 Introduction Figure 1-2 shows how to use a 68-pin cable to connect the SCB-68 to a 68-pin DAQ device. 1 5 4 3 2 1 68-Pin Cable Assembly 4 68-Pin I/O Connector 268-Pin DAQ Device 5 SCB-68 Connector Block 3 68-Pin I/O Connector Figure 1-2. Connecting a 68-Pin DAQ Device to an SCB-68 Using 100-Pin Cables You can use the SH1006868 cable assembly to connect two SCB-68 connector blocks to a 100-pin DAQ device. The SH1006868 is Y-shaped, with a 100-pin male connector on one end and two
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Chapter 1 Introduction 3 1 2 5 4 1 SCB-68 Connector Blocks 4 100-Pin DAQ Device 2 68-Pin I/O Connectors 5 100-Pin I/O Connector 3 SH1006868 Cable Assembly Figure 1-3. Connecting a 100-Pin DAQ Device to Two SCB-68 Connector Blocks When you attach two SCB-68 devices to the SH1006868 cable, one of the SCB-68 connector blocks has a full 68-pin I/O connector pinout, and the other SCB-68 connector block has an extended AI or extended digital pinout. Each 68-pin end of the SH1006868 cable has a l
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Chapter 1 Introduction 34 68 ACH8 ACH0 ACH1 33 67 AIGND AIGND 32 66 ACH9 ACH10 31 65 ACH2 ACH3 30 64 AIGND AIGND 29 63 ACH11 ACH4 28 62 AISENSE AIGND 27 61 ACH12 ACH13 26 60 ACH5 ACH6 25 59 AIGND AIGND 24 58 ACH14 ACH15 23 57 ACH7 1 22 56 AIGND DAC0OUT 2 1 21 55 AOGND DAC1OUT 3 2 EXTREF 20 54 AOGND DIO4 19 53 DGND DGND 18 52 DIO0 DIO1 17 51 DIO5 DIO6 16 50 DGND DGND 15 49 DIO2 +5V 14 48 DIO7 DGND 13 47 DIO3 DGND 12 46 SCANCLK PFI0/TRIG1 11 45 EXTSTROBE* PFI1/TRIG2 10 44 DGND DGND 943 PFI2/CONV
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Chapter 1 Introduction Figure 1-5 shows the pin assignments for the extended AI connector. This pinout shows the other 68-pin connector when you use the SH1006868 cable assembly with an NI 6031E, NI 6033E, or NI 6071E. 34 68 ACH24 ACH16 ACH17 33 67 ACH25 ACH18 32 66 ACH26 ACH27 31 65 ACH19 ACH20 30 64 ACH28 ACH21 29 63 ACH29 ACH30 28 62 ACH22 ACH23 27 61 ACH31 ACH32 26 60 ACH40 ACH41 25 59 ACH33 ACH34 24 58 ACH42 ACH35 23 57 ACH43 22 56 AISENSE2 AIGND 21 55 ACH36 ACH44 ACH37 20 54 ACH45 AC
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Chapter 1 Introduction Figure 1-6 shows the pin assignments for the extended digital connector. This pinout shows the other 68-pin connector when you use the SH1006868 cable assembly with an NI 6025E or the NI 6021E (AT-MIO-16DE-10) for ISA. 34 68 GND PC7 PC6 33 67 GND PC5 32 66 GND GND 31 65 PC4 PC3 30 64 GND PC2 29 63 GND GND 28 62 PC1 PC0 27 61 GND PB7 26 60 GND GND 25 59 PB6 PB5 24 58 GND PB4 23 57 GND 22 56 PB3 GND 21 55 PB2 GND PB1 20 54 GND PB0 19 53 GND GND 18 52 PA7 PA6 17 51 GND P
