DigiTMR S2 PC User`s Manual - Vanguard Instruments Company, Inc.
Contents
1. The digital voltage input V2 monitors the voltage status as ON or OFF states and can graph the results A typical analog voltage monitoring connection V1 and a typical digital monitoring connection V2 are shown in Figure 5 V1 WHITE bir 2PC Figure 5 Analog and Digital Voltage Monitoring Cable Connections ESS REV 1 DIGITMR S2 PC USER S MANUAL 2 3 4 External Trigger Input Connections The External Trigger Mode can be used to start recording when the DigiTMR S2 PC senses a voltage see Figure 6 This feature can be used to time a circuit breaker without using the initiate circuit for example if the initiate circuit is non operational Another typical application for the External Trigger Mode is to time a circuit breaker in a close operation and to start timing only when the close coil is energized thus bypassing the 52Y relay delay time The DigiTMR S2 PC will energize the 52Y relay to start the close operation and will then start timing when it senses the voltage across the closing coil Please see Figure 7 for a typical test connection Another application for the External Trigger Mode is to start timing the breaker when the user trips or closes the breaker remotely e Minimum trigger voltage is set at 30 Vac dc Maximum continuous voltage is set A at 300 Vac dc Notes Different trigger voltages can be set at the factory based on specific user requests e The DigiTMR S2 PC will start looki2. cc TC CONTROL CIRCUIT TRANSDUCER Figure 9 Typical Transducer Connection EE REV 1 DIGITMR S2 PC USER S MANUAL The DigiTMR S2 PC can also be connected to a resistor type transducer such as the ABB AHMB see Figure 10 and Figure 11 using the Vanguard Resistor Transducer Adapter sold separately 5V VANGUARD RESISTOR TRANSDUCER ADAPTER RESISTOR TYPE TRANSDUCER Figure 10 Typical Resistor Type Transducer Connection Figure 11 Vanguard Resistor Transducer Adapter Connected to an ABB AHMB Transducer DIS 09 DIGITMR S2 PC USER S MANUAL REV 1 The Digi TMR S2 PC can also be connected to Doble linear and rotary transducers using the optional Vanguard Doble Transducer adapter shown below 7 d N WO A Figure 12 Vanguard Doble Transducer Adapter Connected to a Doble TR3189 Linear Transducer a DUC En Figure 13 Vanguard Doble Transducer Adapter Connected to a Doble TR31170 Rotary Transducer ES REV 1 DIGITMR S2 PC USER S MANUAL 3 0 GLOSSARY OF TERMS Breaker Bounce Back Distance Bounce back is the distance the breaker contact moves before the resting position after the over travel Bounce back is typically found in the close operation Breaker Over Travel Distance Over travel is the distance the contact moves beyond the resting position Over travel is typically found in the close operation Breaker Stroke Circuit breaker contact stroke is the absolute di
3. Ge d P Search Folders DigiTmr 79003 Bluetooth Tasks 6 Add a Bluetooth Device gt DigiTmr 79003 AT Serial my View My Bluetooth services ee View devices in range G View or modify configuration Note the port number listed under the device name In the above case the port number is COM14 Follow the directions in section Error Reference source not found to configure the VCBA S2 software to connect to the DigiTMR S2 PC using this COM port DIGITMR S2 PC USER S MANUAL REV 1 For Windows 7 a Make sure the DigiTMR S2 PC is turned on Then double click on the Bluetooth system tray icon on the bottom right corner of your computer screen 9 52 AM 07 17 2012 File Edit View Tools Help Add a device Add a printer No items match your search Click on Add a device REV 1 DIGITMR S2 PC USER S MANUAL c All nearby Bluetooth devices will be listed Select a device to add to this computer Windows will continue to look for new devices and display them here DigiTmr 79003 Bluetooth Other What if Windows doesn t find my device The DigiTMR S2 PC will be listed as DigiTmr S N where S N is the device s serial number Click on the icon for the DigiTMR S2 PC and then click on the Next button d The device pairing screen will be displayed Select a pairing option gt Create a pairing code for me o The device has a keypad DigiTmr 79003 gt Enter the d
4. Portable digital circuit breaker analyzer 18 5 W x 14 H x 7 D 47 0 cm x 35 7cm x 17 6 cm Weight 16 lbs 7 3 kg 3 Amps 100 240 Vac 50 60 Hz 3 dry contact channels each channel detects main contact and insertion resistor contact 1 second 10 seconds or 20 seconds 50 micro seconds 9 1 sec duration 500 micro seconds 9 10 sec duration 1 0 milliseconds 20 sec duration 0 05 of reading 0 1 milliseconds 1 second duration Closed less than 20 ohms Open greater than 5 000 Ohms 50 5 000 ohms Open Close 30 300 V DC or peak AC V1 analog input 0 255V DC or peak AC Sensitivity 1V V2 voltage presence absence detector input 30 300V DC or peak AC Initiate Open Close Open Close Close Open Open Close Open 30A 250 Vac dc max One non contact Hall effect sensor 0 20 amp range dc to 5Khz 1 digital travel transducer channel linear range 0 0 60 0 in 0 005 in rotary range 0 360 degrees 0 006 degrees Measures slow close contact point distances results can be printed One non contact 0 100A One USB port optional Bluetooth interface Windows based Circuit Breaker Analysis software VCBA S2 included with purchase price Software updates available at no additional charge Designed to meet UL IEC 61010 and CAN CSA C22 2 No 1010 1 92 standards Operating 10 C to 50 C 15 F to 122 F Storage 30 C to 70 C 22 F to 1158 F 90 RH
5. 40 C 104 F non condensing 2 000 m 6 562 ft to full safety specifications Furnished with full set of test leads including 20 foot contact leads and 30 foot contact lead extensions transportation case available for the DIGITMR S2 and travel transducers One year on parts and labor DIGITMR S2 PC USER S MANUAL REV 1 1 4 DigiTMR S2 PC Controls and Indicators The DigiTMR S2 PC s controls and indicators are shown in Figure 1 below The purpose of the controls and indicators may seem obvious but users should become familiar with them before using the DigiTMR S2 PC Accidental misuse of the controls will usually cause no serious harm Users should also be familiar with the safety summary found on the front page of this User s Manual Bluetooth Interface Contact Indicator Timing Voltage External AC Current Digital Input Input Trigger Sensor Transducer Channels Connector Input Connector Power Ground Switch Stud USB PC Interface Breaker Initiate Output OPEN Circuit Fuse CLOSE Circuit Fuse Breaker Initiate Arm Switch Figure 1 DigiTMR S2 PC Controls and Indicators REV 1 DIGITMR S2 PC USER S MANUAL 2 0 2 1 OPERATING PROCEDURES Configuring the VCBA S2 Software for use with the DigiTMR S2 PC The DigiTMR S2 PC is operated using the Vanguard Circuit Breaker Analyzer Series 2 VCBA S2 PC software Follow the steps below to properly connect the DigiTMR S2 PC and configure the VCBA S2 applicatio
6. AHMA 8 ABB AHMB 8 Mechanism Mechanism Transducer Transducer Linear Rotary Transducers Dp Transducer Available in _ 10 25 and 30 15 Universal Rotary Transducer Transducer with Magnetic Mount Resistor Type M Westinghouse Transducer N SF SFA Transducer Resistor Doble Transducer Transducer Adapter a Adapter Vanguard Instruments Company Inc 1520 S Hellman Ave e Ontario CA 91761 e USA Phone 909 923 9390 e Fax 909 923 9391 www vanguard instruments com Copyright 2012 by Vanguard Instruments Company Inc DigiTMR S2 PC User s Manual e Revision 1 0 e July 2012 e TA
7. Loc DigiTMR S2 PC DIGITAL CIRCUIT BREAKER ANALYZER USER S MANUAL DIGITMR 2j f Vanguard Instruments Company Inc M 1520S Hellman Ave Ontario California 91761 USA TEL 909 923 9390 July 2012 FAX 909 923 9391 Revision 1 DIGITMR S2 PC USER S MANUAL REV 1 SAFETY SUMMARY FOLLOW EXACT OPERATING PROCEDURES Any deviation from the procedures described in this User s Manual may create one or more safety hazards may damage the DigiTMR S2 PC or cause errors in the test results Vanguard Instruments Company Inc assumes no liability for unsafe or improper use of the DigiTMR S2 PC All safety precautions provided in this manual must be observed during all phases of testing including test preparation test lead connection actual testing and test lead disconnection SAFETY WARNING AND CAUTIONS The DigiTMR S2 PC shall be used only by trained operators When using the DigiTMR S2 PC in Time versus Travel mode all circuit breakers under test shall be off line and fully isolated DO NOT MODIFY TEST EQUIPMENT To avoid the risk of introducing additional or unknown hazards do not install substitute parts or perform any unauthorized modification to any DigiTMR S2 PC test unit To ensure that all designed safety features are maintained it is highly recommended that repairs be performed only by Vanguard Instruments Company factory personnel or by an authorized repair service provider Unauthorized modificati
8. SER S MANUAL REV 1 f Launch the VCBA S2 application From the Sys Config menu select System Setup The following window will be displayed COM Fort comi Enable USB For Digi TMA Sz always disable USB and select com port Cycles Second hl Y Plot Velocity Curve 4 Print Test Plan Shot Path tests Browse setup Path Mestplans Browse Cancel Make sure that the Enable USB option is UN checked Then from the Port drop down menu select the COM port that corresponds to the port that the DigiTMR S2 PC is connected to Then click the OK button The VCBA S2 software will now recognize the DigiTMR S2 PC REV 1 DIGITMR S2 PC USER S MANUAL 2 2 Connecting the DigiTMR S2 PC to a PC via Bluetooth The DigiTMR S2 PC can also be connected wirelessly to a PC using Bluetooth if the Bluetooth option is installed To connect the unit via Bluetooth it must first be paired with the PC Follow the steps below to pair the DigiTMR S2 PC to a PC via Bluetooth For Windows XP a Make sure the DigiTMR S2 PC is turned on Then double click on the Bluetooth system tray icon on the bottom right corner of your computer screen b The My Bluetooth Places window will be displayed My Bluetooth Places Sele ae File Edit View Bluetooth Favorites Tools Help Address My Bluetooth Places M ER Back d po Search E Folders x Bluetooth Tasks 6 Add a Bluetooth Device ae V
9. coil voltage 0 255 Volts DC or peak AC A second voltage input channel designated as V2 is dedicated to detecting voltage On Off status presence or absence This input can be used to monitor the status of an A B switch Circuit Breaker Initiate Feature A built in solid state initiate device is used to operate the circuit breaker from the DIGITMR S2 PC Operational modes include Open Close Open Close Close Open and Open Close Open Multiple operations such as Open Close Close Open and Open Close Open can be initiated using a programmable delay or by sensing the circuit breaker s contact condition Computer Interface One USB interface port and an optional Bluetooth interface is available for computer control Vanguard s Windows based Circuit Breaker Analyzer Series 2 VCBA S2 software is included with each DIGITMR S2 PC The software can be used to control the unit review test records and create circuit breaker test plans Test records can be exported to PDF Excel and XML format All future software updates can be downloaded from the Vanguard web site at no additional charge DIGITMR S2 PC USER S MANUAL REV 1 1 2 Operational Modes 1 2 1 On Line Mode In On Line mode the trip close time is derived from the time of trip or close coil initiation to the breaker s bushing current break or make as detected by an AC clamp on current sensing probe The DigiTMR S2 PC can time a circuit breaker s OPEN operation by sen
10. d Transducer Adapters ie 27 LIST OF TABLES Table 1 DigiTMR S2 PC Technical SpecificatiONS iii 4 LIST OF FIGURES Figure 1 DIgITMR S2 PC Controls and INdICAtOrs iii 5 Figure 2 Contact Cable CONNECTIONS irrita 16 Figure 3 DC Trip and DC Close Initiate Circuit Cable COnNnNECctions eere 17 Figure 4 DC Trip and AC Close Initiate Circuit Cable Connections 18 Figure 5 Analog and Digital Voltage Monitoring Cable Connections 19 Figure 6 External Trigger Cable Connection for an Open Connection 20 Figure 7 External Trigger on a Close Operation Less 52Y Delay Time eene 21 FIBUFe S I vbIeSPET CORDDe BON cesi itunt easi rali ec 22 Figure 9 Typical Transducer Connection 23 Figure 10 Typical Resistor Type Transducer Connection i 24 Figure 11 Vanguard Resistor Transducer Adapter Connected to an ABB AHMB Transducer 24 Figure 12 Vanguard Doble Transducer Adapter Connected to a Doble Linear Transducer 25 Figure 13 Vanguard Doble Transducer Adapter Connected to a Doble Rotary Transducer 25 UNUM DIGITMR S2 PC USER S MANUAL REV 1 1 0 INTRODUCTION 1 1 General Description and Features The Vanguard DIGITMR S2 PC is an inexpensive easy to use digital circuit breaker analyzer that is designed to be used with a PC This inexpensive analyzer offers the most cost effectiv
11. e method for testing circuit breakers It can fully analyze a circuit breaker s performance by testing the contact time stroke velocity over travel and contact wipe Contact motion analysis can be performed for all breaker contact operations Open Close Open Close Close Open and Open Close Open The DIGITMR S2 PC offers three dry contact channels for timing circuit breaker main and insertion resistor contacts one digital transducer channel to monitor CB contact motion and two voltage monitoring channels On Line Timing Mode Option An optional on line timing mode is available for the DIGITMR S2 PC In this mode the DIGITMR S2 PC captures the breaker s trip or close time the trip close coil current fingerprint and the battery supply voltage while the breaker is still in service The trip close time is derived from the time of trip or close coil initiation to the breaker s bushing current breaker make as detected by an AC clamp on current sensing probe The on line timing mode can detect a breaker s operating conditions with little or no down time In this mode the first trip operation time of the breaker is captured If a breaker has been in service for a long period of time and sitting in close position the first trip time of the breaker may be slow possibly due to a sticky mechanism The on line mode is very useful in such cases because traditional breaker timing may not detect this condition since several ope
12. evice s pairing code The device comes with a pairing code Check for one on the device or in the device manual gt Pair without using a code This type of device such as a mouse does not require a secure connection How can I tell if my device has a pairing code Click on Enter the device s pairing code option LIUM o 000 DIGITMR S2 PC USER S MANUAL REV 1 e The following window will be displayed Enter the pairing code for the device This will verify that you are connecting to the correct device default The code is either displayed on your device or in the information that came with the device DigiTmr 79003 What if I can t find the device pairing code Type the word default without the quotes and in all lower case in the text box and click on the Next button f The following screen will be displayed This device has been successfully added to this computer Windows is now checking for drivers and will install them if necessary You may need to wait for this to finish before your device is ready to use To verify if this device finished installing properly look for it in Devices and Printers DigiTmr 79003 Click on the Close button ESS REV 1 DIGITMR S2 PC USER S MANUAL g The DigiTMR S2 PC will now be listed under Bluetooth Devices RE D i Devices and Printe Bluetooth Devices v Search Devices and Printers 2 File Edit View Tool
13. ice which will operate on any AC or DC control voltage ranging from 10 to 300 Volts Both the trip and close circuits are protected by 5 Ampere fuses A typical DC trip and DC close control circuit test connection is shown in Figure 3 A typical DC trip and AC close control circuit is shown in Figure 4 Positive Trip Circuit EL WHITE GREEN _ CLOSE OPEN A se gt TC Negative Trip Circuit WHITE GREEN CLOSE OPEN INITIATE INITIATE GREEN DIGITMR 2PC Figure 3 DC Trip and DC Close Initiate Circuit Cable Connections 200 1 1 PB REV 1 DIGITMR S2 PC USER S MANUAL AC I WHITE GREEN CLOSE OPEN INITIATE write GREEN INITIATE n N AC CIRCUIT DC CIRCUIT cc TC AC CLOSE DC TRIP Figure 4 DC Trip and AC Close Initiate Circuit Cable Connections DIGITMR S2 PC USER S MANUAL REV 1 2 3 3 Analog and Digital Voltage Monitor Connections The analog voltage input V1 is dedicated to monitoring a breaker s DC control voltage during an operation The analog input records the nominal DC voltage at no load and the minimum DC voltage while the Trip or Close coil is energized Nominal and minimum voltage readings can be printed on a tabulated report Analog waveforms can also be plotted graphically Using the reports the user can see the breaker s DC control voltage dip under load conditions and can easily detect problems such as a poor connection or an excessive voltage drop
14. iew My Bluetooth services H view devices in range E View or modify configuration Click on Add a Bluetooth Device on the left window pane c The Bluetooth Setup Wizard window will be displayed Click on the Next button The PC will scan for nearby devices and list all available Bluetooth devices Bluetooth Device Selection Select a device Remote devices must be in Discoverable mode for this computer to find them For assistance in making a remote device discoverable referto the remote device s documentation Digi Tmr 73003 Show all devices If the device you are looking for is not in the list verify that the device has power and is operational On some devices you must press the Connect button to make the device discoverable Back Next gt Cancel DIGITMR S2 PC USER S MANUAL REV 1 The DigiTMR S2 PC will be listed as DigiTmr S N where S N is the device s serial number Click on the icon for the DigiTMR S2 PC and then click on the Next button d The following window will be displayed asking for a secret key to connect to the DigiTMR S2 PC Bluetooth Security Setup Bluetooth Pairing Paired devices exchange a secret key each time they connect This key is unique for each pair of devices it is used to verify identity and to encrypt the data that the devices exchange To complete the pairing process type the required passkey and then dick Next If you do not know the pas
15. n to recognize the unit d b Install the VCBA S2 software please see the VCBA S2 software user s manual for details Connect the DigiTMR S2 PC to the PC by connecting a USB cable from an open USB port on the PC to the unit s USB PC port Turn on the power on the DigiTMR S2 PC If this is the first time you are connecting the unit to the PC Windows will recognize it as a new device and automatically install necessary drivers If using Windows XP you may be prompted to install drivers Select the automatic installation option and Windows will locate the generic drivers necessary Please note that although the unit is connected via USB it uses an internal serial interface to communicate with the PC As such it will appear in the windows Device Manager as a USB Serial Port Open the Device Manager from the Windows Control Panel and note the COM port number For example in the installation shown below the DigiTMR S2 PC is shown as COM10 USB Serial Port Device Manager File Action View Help E S E DH 4 Computer amp ge Disk drives E Display adapters DVD CD ROM drives ie Floppy disk controllers A Floppy disk drives Ha Human Interface Devices ic IDE ATA ATAPI controllers cu Keyboards 0 Mice and other pointing devices Monitors Network adapters ESS Belkin Wireless G Desktop Card 2 HW Realtek RTL8168 8111 PCI E Gigabit Ethernet NIC E Ports COM amp LPT DIGITMR S2 PC U
16. ng for the external trigger voltage when the message AWAITING TRIGGER is shown on the LCD If the external trigger voltage is not sensed by the DigiTMR S2 PC within ten seconds after the initiate sequence has begun the DigiTMR S2 PC will return to the main menu Positive Trip Circuit WHITE 3 9 i OPEN CLOSE TRIGGER TRIGGER t V WHITE WHITE Trip Circuit WHITE ii OPEN CLOSE TRIGGER TRIGGER WHITE WHITE Figure 6 External Trigger Cable Connection for an Open Connection DIGITMR S2 PC USER S MANUAL REV 1 M INITIATE I WHITE EXT TRIGGER WHITE de DIGITMR 2P C Figure 7 External Trigger on a Close Operation Less 52Y Delay Time REV 1 DIGITMR S2 PC USER S MANUAL 2 3 5 AC Current Sensor Connection The DigiTMR S2 PC can sense a breaker s bushing current by using a clamp on AC current sensor connected to the breaker s bushing CT The AC current sensor is used in On Line Mode only The AC current sensor requires a minimum of 100 mA to operate The maximum current is 25 Amperes A typical AC sensor connection is shown in Figure 8 MAIN LINE 0 X rI 3 CT DIGITMR 2 PC Figure 8 Typical CT Connection DIGITMR S2 PC USER S MANUAL REV 1 2 3 6 Transducer Connections A typical transducer connection is shown in Figure 9 WHITE GREEN CLOSE OPEN INITIATE wye GREEN INITIATE I o 0 E
17. ons can cause safety hazards and will void the manufacturer s warranty WARNING Do not remove test leads during a test Failure to heed this warning can result in damage to the equipment REV 1 DIGITMR S2 PC USER S MANUAL TABLE OF CONTENTS TO INTRODUCTION P 1 11 Genera Description and Feste sannita 1 T OPON a MO TR TU E 3 1 24 Orn NOUO operenie ere NE AE EE EEE 3 1 2 2 Time versus Travel Circuit Breaker Analyzer Mode 3 1 3 Technical Spechicall ONS nn 4 1 4 DigiTMR S2 PC Controls and Indicators ii 5 20 OPERATING PROCEDURE li 6 2 1 Configuring the VCBA S2 Software for use with the DigiTMR S2 PC esee 6 2 2 Connecting the DigiTMR S2 PC to a PC via Bluetooth ceeecceeeeeceeeeeeeeceeeeseeeeeens 8 2 3 DigiT MR S2 PC Cable CONMCCUGNS visas cinteaccsierdecaansuwtncsounasdeaseusdncssweutdeedousanadanieneusioweaneeece 16 2 9 1 Contact Cable Connections cresatesscsnvensacscavenaesevevecetetavagasonevanacsenscasevsattavennetuanedevenes 16 2 22 Initiate Cable COMMS COINS aaa 17 2 3 3 Analog and Digital Voltage Monitor COnnNEctions 19 2 3 5 AC Current Sensor Connection cccceccsecsecceecsecoeccsecseccucceecesetseceuceseseecesetseeees 22 2 3 6 Transducer Connections 23 30 GEOSSARY OP TEBIVIS aceite ruit PuRIEREL EE ee RUM OI DUIS 26 4 0 Compatible Transducers an
18. rations may have occurred before the first timing test is conducted Open Close Coil Current Monitoring A built in Hall Effect current sensor records the circuit breaker s operating coil current amplitude and duration The circuit breaker s operating coil waveforms effectively a performance fingerprint or current profile can be used as a diagnostic tool for analyzing a circuit breaker s performance Contact Timing Inputs Dry contact input channels are used for timing circuit breaker contacts Each contact input channel can detect main contact and insertion resistor contact times in milliseconds and cycles Three contact timing channels are available on the DIGITMR S2 PC Breaker Stroke and Velocity One digital transducer input channel is available to measure circuit breaker contact stroke velocity over travel and bounce back With the use of a Vanguard digital travel transducer no set up calibration is required before testing A special feature is also available to Slow Close test a circuit breaker and obtain test results An optional Resistor Transducer Adapter Device can be used to interface with any resistor transducer 20 EE REV 1 DIGITMR S2 PC USER S MANUAL CT Input One non contact AC current sensor is used to monitor circuit breaker on line current for the on line timing mode Voltage Monitoring Input One analog input channel designated as V1 is dedicated to monitoring the substation DC supply or
19. s Help Add a device Add a printer 4 Devices 1 DigiTmr 79003 Right click on the DigiTmr S2 PC icon and select Properties from the pop up menu h The properties window will be displayed Click on the Hardware tab Ji Digi T mr 73003 Device Functions Standard Serial over Bluetooth link COM23 Parts COM amp LPT Device Function Summary Manufacturer Microsoft Location on Bluetooth Device RFCOMM Protocol TDI Device status This device is working properly DIGITMR S2 PC USER S MANUAL REV 1 Note the port number listed after the device name COM23 in the above example Follow the directions in section Error Reference source not found to configure the VCBA S2 software to connect to the DigiTMR S2 PC using this COM port REV 1 DIGITMR S2 PC USER S MANUAL 2 3 DigiTMR S2 PC Cable Connections 2 3 1 Contact Cable Connections A typical contact cable connection to a circuit breaker is shown in Figure 2 Red clips are connected to phase A B and C of the breaker s bushings The black clips are connected to the ground or common side of the bushings If the common side of the bushing is not grounded jumpers should be installed between the bushings DIGITMR 2PC Figure 2 Contact Cable Connections EI LU 9iil ul Q QQ 1 1ji 1ill L2 DIGITMR S2 PC USER S MANUAL REV 1 2 3 2 Initiate Cable Connections The DigiTMR S2 PC will trip or close breakers through a solid state dev
20. sing the time when the OPEN coil is energized until the bushing CT current returns to zero The breaker s CLOSE time is detected when the close coil is energized until the bushing CT current is detected The On Line mode provides a quick way to diagnose a breaker s performance and can reduce maintenance costs 1 2 2 Time versus Travel Circuit Breaker Analyzer Mode In Time versus Travel mode the DigiTMR S2 PC applies a test voltage of 35 Vdc to each of the contact channels thus allowing an analog to digital converter A D to determine a close open or an insertion resistor as the state of the contact The DigiTMR S2 PC records into memory 20 000 readings in on second from the A D s and the transducer position counters The contact time circuit breaker stroke and velocity are then derived from the stored data REV 1 DIGITMR S2 PC USER S MANUAL 1 3 Technical Specifications Table 1 DigiTMR S2 PC Technical Specifications TYPE PHYSICAL SPECIFICATIONS INPUT POWER DRY CONTACT INPUTS TIMING WINDOWS TIMING RESOLUTIONS TIMING ACCURACY DRY CONTACT DETECTION RANGE RESISTOR DETECTION RANGE TRIGGER INPUT VOLTAGE VOLTAGE SENSING INPUT RANGE BREAKER OPERATIONS BREAKER INITIATE CAPACITY INITIATE CURRENT READING RANGE DIGITAL TRAVEL TRANSDUCER INPUT CONTACT TRAVEL POINT DIFFERENCE CT CURRENT SENSOR COMPUTER INTERFACES PC SOFTWARE SAFETY ENVIRONMENT HUMIDITY ALTITUDE CABLES OPTIONS WARRANTY
21. skey see the instructions that came with DigiTt Type the word default without the quotes and in all lower case and then click on the Next button e The following window will be displayed with the option to connect to the DigiTMR S2 PC as a serial port Bluetooth Service Selection he Select the services you are interested in The following services are available through the selected Bluetooth Device Select the service that you want to access on the selected device Connect to this Service amp AT Serial Establish a virtual serial port connection with a remote Bluetooth device The connection can then be used by any application that supports the COM port number assigned Make sure to check the box next to AT Serial and then click on the Next button 20 EN REV 1 DIGITMR S2 PC USER S MANUAL f The following confirmation screen will be displayed Bluetooth Setup Wizard Completion Page oL e NO Le LUN Completing Bluetooth Setup da AN Wizard x Connect to the remote device using this connection shortcut 1 Create a shortcut and then restart this wizard so that can create additional shortcuts To complete this connection click Finish Click on the Finish button g The DigiTMR S2 PC will now be displayed in the My Bluetooth Places window My Bluetooth Places Sele i File Edit View Bluetooth Favorites Tools Help Address E3 My Bluetooth Places
22. stance measured from the open position to the close position excluding the over travel and bounce back distance The DigiTMR S2 PC uses a digital transducer to measure a breaker s contact stroke over travel and bounce back The digital transducer outputs 200 counts per linear inch of travel therefore the resolution is accurate to about 1 200 inch The output resolution is 0 01 inch on the test result report Unlike resistor type transducers the DigiTMR S2 PC s transducer needs no calibration or setup A user verifies the transducer s functionality by selecting a diagnostic test for the transducer Breaker Velocity Speed The DigiTMR S2 PC when used with a travel transducer calculates the breaker contact velocity through the arc zone Users need to program the calculation points or analysis points on the travel curve for the unit to calculate the contact velocity Velocity calculation points are shown as Point 1 and Point 2 under the Speed Analysis section of the tabulated report Contact Wipe Contact wipe is the distance measured from the close position to the contacts touching or parting positions In the close operation contact wipe is measured from the contacts touching position to the final close position In the open operation the contact wipe is measured from the close position to the contact break or parting position DIGITMR S2 PC USER S MANUAL REV 1 4 0 Compatible Transducers and Transducer Adapters ABB
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