TBX-1316 High-Voltage Attenuator Terminal Block Installation Guide
Contents
1. 4 LVS seen 8 Channel 1000V Attenuator vy fois eZ 9 53 mm T 0 375in 5X X i 203 20 mm i l 25 4mm p PR 8 000 in 1 000 in a 254 00 mm z j 10 000 in l Figure 1 TBX 1316 Enclosure Mounting Hole Spacing National Instruments Corporation 5 TBX 1316 High Voltage Attenuator Terminal Block Connecting the Signals 3 Note Be certain that the signal wires are of the appropriate AWG and voltage for your application and are rated for 90 C To connect a signal to the TBX 1316 perform the following steps while referring to Figures 2 and 3 1 Unlock and open the enclosure door using a 3 8 in flathead screwdriver Figure 2 Opening the TBX 1316 2 Loosen the signal strain relief collar 3 Run the signal wires through the strain relief opening 4 Prepare the signal wire by stripping the insulation no more than 10 mm 0 39 in Ss Note When connecting the signals to the TBX 1316 follow the labeling on the TBX 1316 TBX 1316 High Voltage Attenuator Terminal Block 6 ni com 5 Connect chassis ground to the chassis ground terminal strip 6 Connect the signal wires to the signal wire screw terminals by inserting the stripped end of the wire fully into the terminal UN Caution No bare wire should extend past the screw terminal Exposed wir2. 3 Note For UL and other safety certifications refer to the product label or visit ni com certification search by model number or product line and click the appropriate link in the Certification column National Instruments Corporation 13 TBX 1316 High Voltage Attenuator Terminal Block Electromagnetic Compatibility EMISSIONS eenas aa EN 55011 Class A at 10 m FCC Part 15A above 1 GHz IMMUNITY Aisinas sas EN 61326 1997 A2 2001 Table 1 EMC EM icine CE C Tick and FCC Part 15 Class A Compliant B Note For EMC compliance operate this device with shielded cabling CE Compliance The TBX 1316 meets the essential requirements of applicable European Directives as amended for CE marking as follows Low Voltage Directive safety 73 23 EEC Electromagnetic Compatibility Directive EMC 0 eeeeeeeeeseereereees 89 336 EEC nye Note Refer to the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column TBX 1316 High Voltage Attenuator Terminal Block 14 ni com National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com 1legal for more information about National Instruments trademarks Other product and company names mentione
3. d herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD or ni com patents 2004 2005 National Instruments Corporation All rights reserved 374061C 01 Apr05
4. e increases the risk of short circuits and failures 7 Tighten the terminal screws to a torque of 1 2 to 1 5 N m 10 62 to 13 28 in Ib Tighten the signal strain relief collar 9 Repeat steps 2 through 8 for each signal wire 10 Close and lock the enclosure door 11 Connect the TBX 1316 to the SCXI module front connector as explained in the Connecting the Module section National Instruments Corporation 7 TBX 1316 High Voltage Attenuator Terminal Block 1 Protective Earth Ground 5 Enclosure Door Lock 9 Protective Cover Strain Relief Collar 6 Enclosure Door 10 Signal Wire Terminal Strip 2 Protective Earth Ground 7 Enclosure Door Ground 11 Chassis Ground Terminal Strip 3 Signal Cable Insulation 8 SH3232 Shielded Cable 12 Enclosure 4 Signal Wire Insulation Connector 13 Signal Strain Relief Collar Figure 3 TBX 1316 Parts Locator Diagram Connecting the Module This section describes how to connect the TBX 1316 to an SCXI and PXI SCXI combination chassis wi Note The illustrations show the SCXI chassis only TBX 1316 High Voltage Attenuator Terminal Block 8 ni com To connect the TBX 1316 to an SCXI mod
5. ea INSTALLATION GUIDE TBX 1316 High Voltage Attenuator Terminal Block This guide describes how to install and use the TBX 1316 high voltage attenuator terminal block with the following modules e SCXI 1125 recommended e SCXI 1126 e SCXI 1120 D The TBX 1316 is a shielded metal enclosure with a built in high voltage attenuator You can use it to measure high voltage signals of up to 1000 V Category I and 600 V Category II UN Caution Do not use the TBX 1316 to connect to signals above 600 V Category II Do not use the TBX 1316 in Category III or IV applications Do not connect to MAINS supply circuits above 600 VAC The TBX 1316 has eight differential high voltage input channels Each high voltage input channel has three screw terminals one each for input plus input minus and chassis ground For maximum safety all the chassis ground terminals and the enclosure are connected You can use 6 to 20 AWG signal wire in the screw terminals Use an SH3232 shielded cable to connect the TBX 1316 to the module Ss Note Refer to the Read Me First Safety and Radio Interference document for definitions of Categories and other safety information A N Caution Do not use uninsulated input signal wires All input signal wires must be separated from each other and must have a minimum voltage rating of 1000 V for Category I or 600 V for Category II and have a temperature rating of 90 C Each input channel is formed by a pair of 200 1 fixed at
6. for your application Documentation Read Me First Safety and Radio Frequency Interference DAQ Quick Start Guide SCXI Quick Start Guide TBX 1316 High Voltage Attenuator Terminal Block Installation Guide One of the following user manuals application dependent e SCXI 1125 User Manual e SCXI 1126 User Manual e SCXI 1120 D User Manual SCXI or PXI SCXI combination chassis user manual Tools Number and 2 Phillips screwdriver 1 8 and 3 8 in flathead screwdriver Long nose pliers Wire cutter 3 TBX 1316 High Voltage Attenuator Terminal Block Wire insulation stripper Miscellaneous tools to permanently mount the enclosure Installing the TBX 1316 Enclosure 3 Note Refer to the Read Me First Safety and Radio Frequency Interference document before removing equipment covers or connecting or disconnecting any signal wires To install the TBX 1316 enclosure complete the following steps 1 Install an application appropriate UL Listed external breaker disconnect for each input line as follows a Install the disconnect device s within close proximity of the TBX 1316 and within easy reach of the operator b Mark this enclosure as a disconnect device Sy Note The TBX 1316 is intended for mounting in a permanent location NI recommends installing the enclosure in a permanent location whenever possible 2 Securely mount the enclosure to the building per the local safety codes If the enclosure is moun
7. o take When symbol is marked on a product it denotes a warning advising you to take precautions to avoid electrical shock When symbol is marked on a product it denotes a component that may be hot Touching this component may result in bodily injury Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also denotes parameter names Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholder for a word or value that you must supply Text in this font denotes text or characters that you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions TBX 1316 High Voltage Attenuator Terminal Block 2 ni com What You Need to Get Started To install and use the TBX 1316 you need the following items E National Instruments Corporation Hardware TBX 1316 terminal block One of the following modules e SCXI 1125 recommended e SCXI 1126 e SCXI 1120 D One of the following chassis e SCXI e PXI SCXI combination One of the following e E M Series DAQ PCI device e E M Series DAQ PXI module SH3232 shielded cable and cable adapter as required
8. ted on plaster board drywall mount the enclosure using four 14 X 1 1 2 in wood screws installed through the four 7 6 mm 0 3 in clearance mounting holes Position the enclosure so that all four screws are driven into wooden studs Figure 1 shows the clearance holes 3 While referring to Figure 2 unlock and open the enclosure door using a 3 8 in flathead screwdriver 4 While referring to Figure 3 complete the following steps to install the protective earth PE ground wire Sy Note The PE ground wire must comply with your local codes and be the same or larger size AWG as the input signal wires a Insert the PE ground wire through the PE ground strain relief collar b Install a UL Listed uninsulated closed ring terminal suitable to your application on the end of the PE ground wire c Place the lock washer over the ground screw followed by the PE ground terminal d Place the provided lock washer over the end of the ground screw The screw should now have a ring terminal between two lock washers TBX 1316 High Voltage Attenuator Terminal Block 4 ni com e Install the ground screw lock washer into the enclosure and tighten it with a number 2 Phillips screwdriver f Tighten the PE ground strain relief collar pee To o Ft A 7 NATIONAL gt INSTRUMENTS 304 80 mm 12 000 in 323 85 mm 342 90 mm 12 750 in 13 500 in TBX 1316
9. tenuation ratio high voltage resistor networks The nominal inaccuracy of the attenuation factor is lt 1 and the attenuation ratio drift temperature coefficient is lt 20 ppm C Qr NATIONAL p INSTRUMENTS A Caution Install an application appropriate UL Listed external breaker disconnect for each input line Conventions A calibration EEPROM is built into the TBX 1316 When the TBX 1316 is used in conjunction with an SCXI 1125 the EEPROM stores calibration constants These constants provide software correction values that the application development software uses to correct measurements for gain error in the attenuation circuitry The EEPROM is shipped with nominal values Refer to the Calibrating the TBX 1316 section for calibration information 3 A AX A bold italic monospace The following conventions are used in this guide The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash When this icon is marked on the product refer to the Read Me First Safety and Radio Frequency Interference document shipped with the product for precautions t
10. tor and secure the cable by tightening the mounting screws Figure 6 shows the completed installation Figure 6 Completed Installation 8 If necessary reconnect the E M Series DAQ device to the chassis 9 Refer to the SCXI Quick Start Guide to power on the SCXI chassis and configure the system in software Calibrating the TBX 1316 NI recommends you perform an external calibration once a year You can download all available external calibration documents from ni com calibration by clicking Manual Calibration Procedures National Instruments Corporation 11 TBX 1316 High Voltage Attenuator Terminal Block Specifications All specifications are typical at 25 C unless otherwise specified Input Voltage Range ACIDC a a ish ahmed 1000 V Category I ACIDG os iivin ile ae ea eee a 600 V Category II Max input current per channel 50 uA Impulse overvoltage s s s 4000 V Bandwidth 3 dB SCXNISII25 vse tcc earls 400 Hz SCXI 1120 riera 400 Hz Attenuation ratio cccccceeseeesseeeeseeeees 200 1 fixed Attenuation ratio accuracy Uncalibrated oo eee eeeeeeeee 1 max Attenuation ratio temperature drift 20 ppm C max Differential input resistance 44 MQ typ Physical NI recommends that the TBX 1316 be permanently connected equipment with an appropriate UL Listed external breaker for each line Enclosure protective earth PE ground m
11. ule front connector perform the following steps 1 If you have not already installed the E M Series DAQ device refer to the DAQ Quick Start Guide for installation instructions If you have not already installed the SCXI module refer to the SCXT Quick Start Guide for installation instructions Power off the SCXI chassis Do one of the following e Power off the computer that contains the E M Series DAQ device and disconnect the device from the chassis e Power off the PXI portion of the PXI SCXI combination chassis and if used remove the cable connecting the SCXI portion of the chassis to E M Series device Connect the TBX cable adapter to the appropriate SCXI module and secure it by tightening both thumbscrews as shown in Figure 4 2 Cable 1 Mounting Screws and Ears 3 Thumbscrews 5 TBX Cable Adapter 4 SCXI Chassis National Instruments Corporation Figure 4 Connecting the Cable to the SCXI Module 9 TBX 1316 High Voltage Attenuator Terminal Block 6 Connect one end of the cable assembly to the SH3232 shielded cable connector on the TBX 1316 and secure the cable by tightening both mounting screws as shown in Figure 5 1 Mounting Screws 2 Cable Assembly Figure 5 Connecting the Cable to the TBX 1316 TBX 1316 High Voltage Attenuator Terminal Block 10 ni com 7 Connect the other end of the cable assembly to the SCXI module front connec
12. ust be installed DIMENSIONS iieiaei tan 30 48 X 25 40 x 15 24 cm 12 x 10 X 6 in Weights scsi ih ante EA 5 8 kg 12 8 Ib Strain relief cable diameter 0 0 6 to 12 mm signals 0 24 to 0 47 in 4 to 8 mm PE ground 0 157 to 0 314 in TBX 1316 High Voltage Attenuator Terminal Block 12 ni com B Note If your application cable diameter is smaller than what is listed above replace the supplied strain reliefs with the following strain reliefs or their equivalents These strain reliefs are not supplied with the TBX 1316 Environmental Safety Strain relief cable diameter 5 to 9 mm signals 0 197 to 0 354 in SKINTOP 2213 2 to 6 mm PE ground 0 079 to 0 236 in SKINTOP S2209 Strain reliefs available 8 signals 1 PE ground Field wire Did Meter ves vessssvsccscensecersvasteecsctssotnaes 6 to 20 AWG Temperature rating eee 90 C Connector type oo cece eeeeeeseeeeeseeees Screw terminal Operating temperature 0 to 55 C Storage temperature 00 eee 20 to 70 C H midity ei seseetaste ee csstieteess vee elton 10 to 90 RH noncondensing Maximum altitude cccceeeeeeeeeeereee 2 000 m Pollution Degree indoor use only eeeeseeeseeeeeeeeteeeneeeee 2 The TBX 1316 is designed to meet the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use e TEC 61010 1 EN 61010 1 e UL61010 1 e CAN CSA C22 2 No 61010 1
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