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Fluke 125 - PCE Instruments

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1. 4 1 Performing Fieldbus Measurements sssssssssssssssee eene 4 2 Reading thie SCreen ioci porre neeeRr en ieat ne Ema tea ke Enea irer naked 4 4 Viewing the Bus Waveform Screen ssssssssseeeeen eene 4 7 Settingithe Test Limits iiio ete te De Seid ou Lo geb dede 4 8 Saving and Recalling Test Limits sseeeee emen 4 9 iii Fluke 125 Users Manual Plotting Measurements over Time TrendPlot scsssssssessessssessessesessesssseesesneseesesneneeseens 5 1 Introduetionu ore RE RE er RR RR ERR RC DUE BAUR REMANERE 5 1 Starting Stopping a Te Tasan sas bsc DRM ELI LU LIE ELA 5 1 Changing the TrendPlot Reading eee emere 5 3 Making TrendPlot Cursor Measurements sssseseeeeene emen 5 3 Saving and Recalling Data Sets rusanvvnrnnnvvnnnnnnvnnnnnnnvnnnnnvennnnnnvennnnnnvennnnvnnennnnvnnnnnnnvensnnvenene 6 1 Introductions c 6 1 Saving Data SES Jarre erre tpe eiie te AR ee sese Tees EL N 6 1 Recalling Renaming Deleting Data Sets sse 6 3 Using a Printer and FlukeView eere nnne nennt nennen nennen 7 1 Introductions E C ae KA SIIN Gnager 7 1 Usirig a Printer tee DP HER e C RM tet e Hie eget deed deb eae 7 1 Using FlukeView SoftWare x dace ctore or oct eet ci Qe m esos 7 3 Maintaining the Test Tool errnannvnnnnnvvnnnnnnvnnnnnnnvennnnvnnnnnnnvnnnnnnnvnnsnnnnnnnnnnvnnnn
2. TREND TREND MAX CURSOR OFF RESTART AVERAGE ON Figure 5 1 TrendPlot Reading The test tool continuously logs all readings to memory and displays these as graphs If input A and input B are on the upper graph belongs to input A Automatic vertical scaling and horizontal time compression resizes the TrendPlot to fit on the screen The TrendPlot is built up on the screen from left to right until the screen is full The automatic time scaling then compresses this information to about half the screen Note When a new minimum or maximum value is detected a beep occurs Changing the TrendPlot Reading To toggle the secondary TrendPlot reading between MIN minimum MAX maximum and AVERAGE do the following O Fa Change MIN into MAX reading O KN Change MAX into AVERAGE AVG reading Note that the date and time stamp now updates continuously to indicate the most recent change in a reading Plotting Measurements over Time TrendPlotTM Changing the TrendPlot Reading Making TrendPlot Cursor Measurements Cursors allow you to make precise digital measurements on the plotted graph s The display shows the measurement results and the date and time at the cursor position To use cursors do the following O EJ Stop updating the graph and freeze the screen Em Select CURSOR ON Fa Select the maximum or minimum plotted reading to be displayed From multiple readings during a time slot th
3. sssssssssusss 21 ms Specifications 1 0 Dual Input Meter Diode Measurement Voltage 00 5 MA Lament gt 2 8V OPEN CIRCUI nn DUE lt 4V ACCURACY ioe 2 5 counts Measurement Current eee 0 5 mA Polarity sssssssss on input A on COM Capacitance CAP Ranges 50 nF 500 nF 5 uF 50 uF 500 uF ACOUFTaCy iieri tecti eni 2 10 counts Full Scale Reading s 5000 counts Measurement Current 5 uA to 0 5 mA increases with increasing ranges Dual slope integrating measurement with parasitic serial and parallel resistance cancellation 10 7 Fluke 125 Users Manual Advanced Meter Functions Zero Set Set actual value to reference Fast Normal Smooth Meter settling time Fast 1s 1 us to 10 ms div Meter settling time Normal 2s 1 us to 10 ms div Meter settling time Smooth 10s 1 us to 10 ms div Touch Hold on A Captures and freezes a stable measurement result Beeps when stable Touch Hold works on the main meter reading with thresholds of 1 Vpp for AC signals and 100 mV for DC signals TrendPlot Graphs meter readings of the Min and Max values from 15 s div 120 seconds to 2 days div 16 days with time and date stamp Automatic vertical scaling and time compression Displays the actual and Minimum Maximum or average AVG reading Fixed Decimal Point Possible by using att
4. Ohm Q continuity diode and capacitance measurements See figure 2 4 Use the red shielded test lead from input A and the black unshielded ground lead from COM common Current measurements See figure 2 5 Select the probe setting that matches the used current clamp and its setting e g 1 mV A see AGA Chapter 1 Measurement Probes and Settings Figure 2 3 Volts Measurement Setup 10 mV A 1 mV A Figure 2 5 Current Measurement Setup Scope Meter Mode Making Measurements 2 5 Fluke 125 Users Manual Selecting a measurement function To choose a frequency measurement for Input A do the following O VHzA O G Open the A MEASUREMENTS menu MEASUREMENTS BUFR uonunn flac Ode OCOHTs O Ade O TEMP O PULSE O Vac dc O DIODE O Aac dc O PEAK DV pum L CAP O POWER O CREST O dB Hz O PHASE INPUT ZERO TOUCH ENTER Highlight Hz Open the Hz RPM submenu mE O RPH 2 Rotations 1 pulse LI RPH I 1 Rotation 1 pulse J ORPM I 1 Rotation 2 pulses O RPM I 1 Rotation 4 pulses I ENTER o OG I o m Highlight Hz Accept the Hz measurement Observe that Hz is now the main reading The former main reading has now moved to the smaller secondary reading position See Figure 2 8 To choose also a Peak to Peak measurement for Input B do the following o Open the B MEASUREMENTS menu MEASURE
5. Chapter 3 Harmonics Measuring Harmonics You can display harmonics of e Voltage measurements on Input A e Current measurements on Input B e Power measurements calculated from Voltage measurements on Input A and Current measurements on Input B In the Harmonics mode the test tool always uses the AUTO mode The vertical sensitivity range and the time base range are automatically adjusted to the most suitable range for the applied input signal The ranging keys mV V and s TIME ns and the AUTO key are locked Input A is forced to measure voltage input B is forced to measure current Fluke 125 Users Manual Performing Harmonics Measurements To perform harmonics measurements do the following D Connect the inputs as indicated in figure 3 1 3 2 Connect input A for VOLT and for WATT connect input B for AMP and for WATT Figure 3 1 Input Connections for Harmonics Open the application mode menu W SCOPEMETER O O BUSHEALTH O TRENDPLOT TRIGGER SMOOTH ENTER Highlight HARMONICS Accept your choice You will see a screen like figure 3 2 If input A was already set to V and input B was already set to AMP the actual probe settings will be used If not a PROBE menu will be shown to enable you to select the appropriate probe setting To change the probe settings if the PROBE menu is not automatically opened see Measurement Probes amp Settings in chapter 1 Ax 50 Ua 20 SA
6. 1 1 allows Channel A to connect with BNC cables To connect to the System Under Test use a PM9083 male BNC to dual Female BNC adapter T piece optional and an extra BNC cable PM9092 optional as shown in the figure below Bear in mind that in Ethernet cabling should only be interrupted for a few seconds during normal process operation Data traffic usually is continuous Fluke 125 Users Manual DEVICE 1 DEVICE 2 PASSIVE TAP COAX PASSIVE TAP COAX Ethernet Twisted pair 10BaseT To check this bustype ScopeMeter Channel A is on and DC coupled The recommended probe is VPS40 10 1 Channel A is on and DC coupled The probe tip must be connected to the TD or RD wire the COM input or Black Ground Lead to the TD or RD wire Data traffic is not always continuous COAX The wires can be reached with Back Probe Pins TP88 optional at screw terminals at a device s wire entry point for instance at a Junction Box The right hand figure shows pinning and wire colors of a RJ 45 connector Pin 1 TD brown Pin 2 TD brown white Pin 3 RD orange Pin 4 Pin 5 Pin 6 RD orange white Pin 7 Pin 8 Appendices A Bushealth Measurements RS 232 Bus RS 232 allows two way communication between a controller and a device such as modem printer or sensor Per device a dedicated link is needed Initially the RS 232 definition offered an ex
7. Pulse Width PULSE Frequency Range in Continuous Autoset 15 Hz 1 Hz to 30 MHz Accuracy Logic or Pulse waveforms 1 Hz to 1 MHZ eee 0 5 2 counts 1 MHz to 10 MHz 1 0 2 counts Full Scale Reading sss 1000 counts 10 5 Fluke 125 Users Manual Amperes AMP with current clamp Ranges same as VDC VAC VAC DC or PEAK Scale Factors 0 1 mV A 1 mV A 10 mV A 100 mV A 400 mV A 1 V A 10 mV mA Accuracy same as VDC VAC VAC DC or PEAK add current clamp uncertainty Temperature TEMP with optional temperature probe Range mimmi ssa veneen 200 C div 200 F div Scale Factor 1 MV C and 1 mV F Accuracy as VDC add temp probe uncertainty Decibel dB uni 1V 0 dBm 6000 50 esee 1 mW referenced to 6000 or 500 AB ON c ute ees VDC VAC or VAC DC Full Scale Reading 1000 counts Crest Factor CREST Range iio aea tet eite 1 to 10 ACCUFaCy vassere benene eden 5 1 count Full Scale Reading ssss 100 counts Phase MOS EE Dr ee e od o o eU Genes A to B B to A Rangen ssa meret ines 0 to 359 degrees Accuracy up to 1 MHz eee 2 degrees Accuracy 1 MHz to 5 MHZ naassen 5 degrees Resolutlor racine here kn 1 degree 10 6 Power Configurations iiron 1 phase EE
8. Users Manual Chapter 7 Using a Printer and FlukeView Introduction Using a Printer This Chapter explains how to setup the test tool for To print a graphic hard copy of the present screen you communication with need to use one of the following aprinter to make a hardcopy of the test tool screen The Optically Isolated RS 232 Adapter Cable N PM9080 optional to connect a serial printer to the e aPC or laptop to use the FlukeView software OPTICAL PORT of the test tool See Figure 7 1 e The Print Adapter Cable PAC91 optional to connect a parallel printer to the OPTICAL PORT of the test tool See Figure 7 2 7 1 Fluke 125 Users Manual This example covers how to set up the test tool to print on a HP Deskjet printer with a baud rate of 9600 baud O Open the USER OPTIONS menu O 6 Highlight PRINTER SETUP Open the PRINTER SETUP submenu PRINTER TYPE BAUD RATE N el O DESKJET D 1200 N Na LASERJET O 2400 O EPSON Fz LG m 9600 NN e W W Se N Ja N O POSTSCRIPT O 19200 GO Highlight DESKJET PH Select DESKJET GO Highlight 9600 ZE Accept the print selections Figure 7 2 Connecting a Parallel Printer 0 Now you are ready to print 7 2 To print a screen do the following O EJ Open the SAVE amp PRINT menu Observe that the screen is frozen EN Start printing A message that indicates that the test tool is printing appears on bottom of the screen
9. 10 1 probe 5 10 Hz 1 Hz with 10 1 probe 3096 DC Rejection only VAC eese 250 dB Common Mode Rejection CMRR 2100 dB DC 260 dB 50 60 or 400 Hz Full Scale Reading 5000 counts The reading is independent of any signal crest factor Peak Modes Max peak Min peak or pk to pk Ranges ss 500 mV 5V 50V 500V 1250V Accuracy Max peak or Min peak 5 of full scale Peak to Peak eeen 1096 of full scale Full Scale Reading sssss 500 counts Frequency Hz Ranges 1 Hz 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz and 70 MHz Specifications 1 0 Dual Input Meter Frequency Range in Continuous Autoset 15 Hz 1 Hz to 50 MHz Accuracy 891 Hz to 1 MHZ s 0 5 2 counts 1 to 10 MHZ esee 1 0 2 counts 10 to 70 MHZ eee 2 5 2 counts 50 MHz in Autorange Full Scale Reading 10 000 counts RPM Max reading rieren iE 50 00 kRPM ACCURACY 2 2 nitentes 0 5 2 counts Duty Cycle PULSE R nge inea OPI 2 to 98 15 Hz 1 Hz to 30 MHz Accuracy Logic or Pulse waveforms Q1Hz to 1 MHZ s 0 5 2 counts 1 MHz to 10 MHz 1 0 2 counts
10. 232 adapter cable optional Parallel via PAC91 optically isolated print adapter cable optional TO PC oii cis seen Dump and load settings and data Serial via OC4USB optically isolated RS 232 USB adapter cable optional using SW90W FlukeView software for Windows Environmental Environmental MIL PRF 28800F Class 2 Temperature Operating eee 0 to 50 C 32 to 122 F Storage nene 20 to 60 C 4 to 140 F Humidity Operating 80 to 10 C 32 to 50 F noncondensing 810 to 30 C 50 to 86 F 9596 030 to 40 C 86 to 104 F seesssess 7596 040 to 50 C 104 to 122 F 45 Storage 20 to 60 C 4 to 140 F noncondensing Altitude Operating ettet 5 km 16 400 feet Max Input and Floating Voltage 600 Vrms upto 2 km gt 2 km 300 Vrms 5 km Storage EE aea 12 km 40 000 feet Vibration sinusoidal sssssesusessss MIL28800F class 2 3 8 4 2 4 5 5 3 1 Max 3g Specifications 1 0 Environmental Electromagnetic Compatibility EMC Emission and Immunity EN IEC61326 1 2006 Enclosure Protection IP51 ref EN IEC60529 A Safety Designed for measurements on 600 Vrms Measurement Category III Pollution Degree 2 per e ANSI ISA S82 02 01 e EN IEC 61010 1 2001 e CAN CSA C22 2 No 61010 1 04 and UL no 61010 1 04 including
11. F4 Key Functions Select the Limit Setup function see page 4 8 F Depending on the bus type select the following to be displayed High Bias High default or Bias Low Low voltage Low level voltage L high level voltage H or high to low level voltage H L default High Bias High Bias Low Low or peak peak voltage Pk Pk default Bit width fig or baud rate Baud Amplitude Select the distortion aspect to be tested jitter Jitter overshoot and undershoot Overshoot amplitude distortion Amplitude for AS i EB BEER Select the Eye pattern screen mode see Viewing the Bus Waveform Screen on page 4 T Field Bus Measurements 4 Viewing the Bus Waveform Screen Viewing the Bus Waveform Screen BUS R5 232 EIA 232 To view the waveform eye pattern of the bus voltage do PE eae tec s dele Uil eee sn the following ENAA NE N O F4 In the main screen select eye 30x lt pattern mode You will see a screen like figure 4 4 The screen shows the waveforms of one bit time triggered on a positive as well as on a negative edge in persistence mode Q KN Clear the persisted waveforms We ie T as ak v UT and restart showing the CLEARS rig m SRBI waveform SCREEH SCOPE BACK Figure 4 4 Eye Pattern Screen KW Return to the test screen EN Exit the Bushealth mode and Note enter the Scope Meter mode Press EN to freeze the scre
12. Foundation H1 61158 type 1 31 25 kBit Fieldbus Profibus DP EIA 485 PA 61158 type 1 Ethernet Coax 10Base2 TP 10BaseT RS 232 EIA 232 RS 485 EIA 485 10 9 Fluke 125 Users Manual Miscellaneous Display SiZ EE 72x 72 mm 2 83 x 2 83 in Resolution p aiia 240 x 240 pixels Waveform Display MettiCal riii 8 div of 20 pixels Horizontal nene 9 6 div of 25 pixels Backlight Cold Cathode Fluorescent CCFL A Power External uuuss via Power Adapter PM8907 Input Voltage 10 to 21V DC POWER reticere ERR bn ree EUER ER RR EFE Edad 5W typical Input Connector 5 mm jack Internal ee via Battery Pack BP120MH Battery Power Rechargeable Ni MH 4 8V Operating Time 6 hours with bright backlight 6 30 hours with dimmed backlight Charging Time 7 hours with test tool off 60 hours with test tool on 12 20 hours with refresh cycle Allowable ambient temperature during charging 0 to 45 C 32 to 113 F 10 10 Memory Number of Data set Memories ssssse 20 Mechanical Sj 232 x 115 x 50 mm 9 1 x 4 5x2 in Weight 1 2 kg 2 5 Ibs including battery pack Interface iume nismainitunidlne RS 232 optically isolated TO Printer renes supports Epson FX LQ and HP Deskjet Laserjet and Postscript Serial via PM9080 optically isolated RS
13. Note Printers must be compatible with HP PCL or EPSON protocol Using a Printer and FlukeView Using FlukeView amp Software Using FlukeView Software To connect the test tool to a computer for using the FlukeView software for Windows SW90W do the following Use the Optically Isolated RS 232 USB Adapter Cable OCAUSB to connect a computer to the OPTICAL PORT of the test tool See Figure 7 3 For all information relating to installing and using the FlukeView ScopeMeter software see the SW90W Users Manual A Software amp Cable Carrying Case Kit is optional available as model number SCC 120 Figure 7 3 Connecting a Computer 7 3 Fluke 125 Users Manual Introduction This chapter covers basic maintenance procedures that can be performed by the user For complete service disassembly repair and calibration information see the Service Manual You will find the part number of the Service Manual in the section Parts and Accessories in this manual Chapter 8 Maintaining the Test Tool Cleaning the Test Tool Clean the test tool with a damp cloth and a mild soap to avoid abrasion of text on the test tool Do not use abrasives solvents or alcohol Storing the Test Tool If you are storing the test tool for an extended period of time charge the rechargeable battery pack before storing It is not necessary to remove the battery pack 8 1 Fluke 125 Users Manual Charging the Rechargeable
14. Passive Tap Impedance matching E signal transformer 134 Passive Tap Impedance matching 75 ohm terminator 75 ohm coax interface IC To check ControlNet ScopeMeter Channel A is on and DC coupled The recommended Banana to BNC Adapter BB120 1 1 allows Channel A to connect with BNC cables To connect to the System Under Test use a PM9083 male BNC to dual Female BNC adapter T piece optional and an extra BNC cable PM9092 optional as shown in the figure below 75 ohm Coax signal transformer 1 11 Bear in mind that in ControlNet cabling must not be disconnected during normal process operation Some systems provide a Coaxial Breakout to make connection to BB120 Use a short coaxial cable to minimize load on to the system A 6 DEVICE 1 DEVICE 2 I I PASSIVE PASSIVE TAP FJ e TAP Modbus IEA 232 RS 232 Is in use in Process Industry Building and Factory Automation Modbus RS 232 is used for point to point communication System layout is shown in the figure below Continuous Data traffic is not ensured To check this type of bus ScopeMeter Channel A is on and DC coupled The recommended probe is STL120 1 1 The probe tip must be connected to the Tx Transmit or Rx Receive wire the COM input or Black Ground Lead to the Signal Ground In case there are handshake lines Appendices A Bushealth Measurements they can be mea
15. Screen From Auto range you can use the light gray rocker keys to change the graphic representation on the screen manually This will turn off the Connect and View function Observe that AUTO at the bottom of the reading area disappears Changing the Amplitude M B Available settings are from 5 mV div to 500 V div when using the test leads Enlarge the waveform Reduce the waveform Changing the Time Base o E o m Available settings are from 10 ns div to 5 s div in normal mode Increase the number of periods Decrease the number of periods Scope Meter Mode 2 Changing the Graphic Representation on the Screen Positioning the Waveform on the Screen Considerable flexibility is offered in moving the waveform s around the screen O Fa Press until you have left any open menu Observe that the following main menu appears on bottom of the screen 4 TRIGGER CURSOR MOVE SLOPE 4 OH E Choose A MOVE O Position the waveform of INPUT 0 KW OM KN 9 b A on the screen An 24 20454 lt b Trig fif E p TRIGGER CURSOR O sour SLOPE 4 OH Waveform positioning is demonstrated in Figure 2 10 Figure 2 10 Positioning the Waveform Observe that the trigger identifier I moves horizontally on the screen Note For 3 phase power measurements the waveform positions are fixed Fluke 125 Users Manual Smoothing Waveforms and Readings To smooth the waveform do the following E o
16. The environmental data mentioned in this manual are based on the results of the manufacturer s verification procedures Chapter 10 Specifications Safety Characteristics The test tool has been designed and tested in accordance with Standards ANSI ISA 82 02 01 EN 61010 1 2001 CAN CSA C22 2 No 61010 1 04 and UL no 61010 1 04 including cCSAys approval Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use This manual contains information and warnings that must be followed by the user to ensure safe operation and to keep the instrument in a safe condition Use of this equipment in a manner not specified by the manufacturer may impair protection provided by the equipment 10 1 Fluke 125 Users Manual Dual Input Oscilloscope Vertical Frequency Response DC Coupled excluding probes and test leads via BB120 DC to 40 MHz 3 dB with STL120 1 1 shielded test leads DC to 12 5 MHz 3 dB DC to 20 MHz 6 dB DC to 40 MHz 3 dB AC Coupled LF roll off excluding probes and test leads 10 Hz 3 dB Wit S TET20 te RR Cede 10 Hz 3 dB with 10 MO 10 1 Probe 1 Hz 3 dB Rise Time excluding probes test leads 8 75 ns 10 2 Input Impedance excluding probes and test leads 1 MO 12 pF With BB 120 it ricette enne 1 MQ 20 p
17. base or trigger level 10 4 Dual Input Meter The accuracy of all measurements is within of reading number of counts from 18 C to 28 C Add 0 1x specific accuracy for each C below 18 C or above 28 C For voltage measurements with 10 1 probe add probe uncertainty 1 More than one waveform period must be visible on the sceen Input A and Input B DC Voltage VDC Ranges ee 500 mV 5V 50V 500V 1250V JAG ORR OY qe 0 5 5 counts Normal Mode Rejection SMR gt 60 dB 50 or 60 Hz 1 Common Mode Rejection CMRR gt 100 dB DC gt 60 dB 50 60 or 400 Hz Full Scale Reading sssss 5000 counts True RMS Voltages VAC and VAC DC Ranges sss 500 mV 5V 50V 500V 1250V Accuracy for 5 to 100 of range DC coupled DC to 60 Hz VAC DC 1 10 counts 1 Hz to 60 Hz VAC 1 10 counts AC or DC coupled 60 Hz to 20 kHz 2 5 15 counts 20 kHz to 1 MHZ eee 5 20 counts 1 MHz to 5 MHz 10 25 counts 5 MHz to 12 5 MHz 30 25 counts 5 MHz to 20 MHz excl test leads or probes 30 25 counts AC coupled with 1 1 shielded test leads 60 Hz 6 Hz with 10 1 probe 1 5 50 Hz 5 Hz with 10 1 probe 2 33 Hz 3 3 Hz with
18. below The signal wires are marked CAN_L and CAN_H There is also a common reference wire CAN_GND Data traffic is continuous Each of the CAN bus lines can be in either two logical states recessive and dominant The state changes occur on both wires simultaneously The voltage level for recessive logical 1 is 2 5 V for both bus lines The voltage level for dominant logical 0 is 3 5 V for CAN H and 1 5 V for CAN L CAN H Connect to Ch A 2 5 V CAN L Connect to Ch B 1 5V Ground 0 V Connect to COM To check CAN Bus ScopeMeter Channel A and B are on and DC coupled The recommended probes are STL120 1 1 Probe Tip A must be connected to CAN H B to CAN L and COM to CAN GND Bus lines can be reached with Back Probe Pins at screw terminals at a device s wire entry point wire colors commonly used are white for CAN H blue for CAN L and black for CAN GND Alternatively you can use a third party DB 9 to 4 mm banana breakout box In addition the figure below shows the pinning of a DB 9 female connector and a typical Automotive OBD2 connector Bear in mind that some Appendices A Bushealth Measurements automobile manufacturers leave bus signals at the connector default on other manufacturers require bus signals to be enabled via an external controller DB 9 FEMALE 1 OBD2 FEMALE 8 Sooo soon 9 16 High Speed HS CAN H Pin 6 HS CAN L Pin 14 Me
19. cCSAus approval Max Input Voltage Input A and B Direct on input or with leads 600 Vrms for derating see Figure 10 1 With Banana to BNC Adapter BB120 300 Vrms for derating see Figure 10 1 Max Floating Voltage from any terminal to ground 600 Vrms up to 400 Hz 10 11 Fluke 125 Users Manual MAX INPUT VOLTAGE Vrms 1000 Input Voltage limitation for CAT II for CAT III 1000 500 200 100 50 UIV 20 2 1 0 01 0 02 0 05 0 1 0 2 05 1 2 5 10 20 50 100 03 1 10 100 100 f MHz FREQUENCY MHz Figure 10 1 Max Input Voltage v s Frequency for BB120 and STL120 Figure 10 2 Max Input Voltage v s Frequency for VP40 10 1 Voltage Probe 10 12 Specifications 1 0 Safety The Fluke 125 including standard accessories conforms with the EEC directive 2004 108 EC for EMC immunity as defined by EN61326 1 2006 with the addition of the following tables Trace disturbance with STL120 Table 1 No visible disturbance E 3 V m E 10 V m Frequency range 10 kHz to 27 MHz 100 mV div to 500 V div 500 mV div to 500 V div Frequency range 27 MHz to 1 GHz 100 mV div to 500 V div 100 mV div to 500 V div No visible disturbance E 3 V m E 1 V m Frequency range 1 4 GHz to 2 0 GHz 5 mV div to 500 V div Frequency range 2 0 GHz to 2 7 GHz 5 mV div to 500 V div Tab
20. mE Open the application menu Open the SMOOTH submenu WAVEFORM READING A READING B O EHNVELOPE O FAST O FAST Wu W HORMAL W HORMAL O SMOOTH O SMDOTH O SMOOTH TRIGGER BACK ENTER OO Highlight WAVEFORM SMOOTH to smooth the input A and input B waveform Accept SMOOTH ODO Highlight READING A FAST NORMAL or SMOOTH Accept your choice and repeat and for reading B 2 12 WAVEFORM SMOOTH suppresses noise without loss of bandwidth Waveform samples with and without smoothing are shown in Figure 2 11 READING SMOOTH long averaging stable reading READING FAST short averaging fast response eee 19830 lt AUTO SmS4 xr Trig Ar kansal A AETA ETEA ARA EIEE EE ETA S fie 2 va ET lt irig al RIGGERT CURSOR Hove Hove SLOPE ON Figure 2 11 Smoothing the Waveform Scope Meter Mode 2 Changing the Graphic Representation on the Screen Displaying the Envelope of a Waveform ad 8 1 1 fs The test tool records the envelope minimum and maximum of the live waveforms A and B Repeat the first two actions of Smoothing the Waveform and then do the following GO Highlight ENVELOPE O E 3x Start monitoring the envelope of the waveform The screen shows the resultant envelope in a gray e P cae NN IK JA waveform See Figure 2 12 fiz 2UA i usa E Trig fl A Q8 cU CURSOR MOVE a vo ESR ON You can use ENVELOP
21. the menu without changing your settings When you do not change an item with the blue arrow keys repeatedly pressing E enables you to step through a menu without changing the setup of the test tool Gray text in a menu or button bar indicates that the function is disabled or the status is not valid Looking at the Measurement Connections Look at the top of the test tool The test tool provides two 4 mm safety shielded banana jack inputs red input A and gray input B and a black safety 4 mm banana jack input COM See Figure 1 3 Input A You can always use the red input A for all single input measurements possible with the test tool Input B For measurements on two different signals you can use the gray input B together with the red input A COM You can use the black COMmon as single ground for low frequency measurements and for Continuity Ohm Q Diode and Capacitance measurements General Operating Instructions Looking at the Measurement Connections AWarning To avoid electrical shock or fire use only one COM Y common connection or ensure that all connections to COM are at the same potential z o o B Pu NN S ALL SA d dn CAT Dl A RISK OF SHOCK SEE WARNING ON REAR Figure 1 3 Measurement Connections 1 5 Fluke 125 Users Manual Measurement Probes amp Settings For the SCOPE METER mode and the HARMONICS mode various probes can be used for the
22. time Observe that two horizontal cursors are displayed If only one trace is displayed select MANUAL or AUTO AUTO automatically does steps 4 to 6 For multiple traces select the required trace A or B Move the upper cursor to 10096 of the trace height A marker is shown at 90 Highlight the other cursor Move the lower cursor to 0 of the trace height A marker is shown at 10 A HIGH 153v I 038 nm 150v fizS00mU A 5 ns 4 xr Trig al CURSOR Ymoue AUTO CURSOR 1781 Emm MEI OX OFF Figure 2 20 Risetime Measurement with Cursors The reading now shows the risetime from 10 90 of the trace amplitude and the voltage at the cursors in relation to the zero icon See Figure 2 20 fF Turn off the cursors Using the 10 1 Probe for High Frequency Measurements The test tool is supplied with a model VP40 10 1 Probe Use of this Probe is recommended when you measure high frequency signals in circuits with a high impedance The loading of the circuit by a 10 1 Probe is much lower than that of a 1 1 Shielded Test Lead Probe attenuation and probe adjustment must be observed when using a 10 1 Probe Probe Attenuation The Probe attenuates the signal 10 times Proceed as follows to adapt the Test Tool s voltage readout to this attenuation The example below is for a Probe connected to input A O VHzA OH The Input A MEASUREMENTS menu and a F1 F4 button bar pops up O
23. year Note Be sure not to disconnect the Power Adapter during the complete refresh cycle Doing so will interrupt the refresh cycle Maintaining the Test Tool 8 Keeping Batteries in Optimal Condition To refresh the battery pack do the following Be sure that the test tool is line powered o A o EW Open the USER OPTIONS menu Open the BATTERY REFRESH submenu BATTERY REFRESH BATTERY REFRESH HO REFRESH START REFRESH Takes 20 hours BACK JLaneuace VERSIO f ENTER OO Highlight START REFRESH o a Start the refresh cycle Note After start of the refresh cycle the screen will be black The backlight is on during discharging within the refresh cycle 8 3 Fluke 125 Users Manual Replacing and Disposing of the Rechargeable Battery Pack A Warning To avoid electrical shock remove the test leads and probes before replacing the battery pack R note This instrument contains Ni MH batteries Do not dispose of this battery pack with other solid waste Used batteries should be disposed of by a qualified recycler or hazardous materials handler Contact your authorized FLUKE Service Center for recycling information To replace the battery pack do the following See Figure 8 2 1 Disconnect the test leads and probes both at the source and at the test tool Disconnect the Power Adapter Locate the battery access cover on the bottom rear Loosen the screw with a flat
24. 3 phase 3 conductor balanced loads 3 phase fundamental component only AUTOSET mode only Power Factor PF ratio between Watts and VA Mes C Se 0 00 to 1 00 Walt certet RMS reading of multiplying corresponding samples of input A volts and input B amperes Full Scale reading s 999 counts WA isses eicit tci aseo oie dites Vrms x Arms Full Scale Reading sss 999 counts VA Reactive VAR A VAY w Full Scale Reading sss 999 counts Vpwm Purpose to measure on pulse width modulated signals like motor drive inverter outputs Principle readings show the effective voltage based on the average value of samples over a whole number of periods of the fundamental frequency ACCUraCy nosice as Vrms for sinewave signals Input A Ohm Q Ranges 500 5000 5 kQ 50 KQ 500 KQ PEER EEE 5 MQ 30 MQ ACCUFACY oseere 0 6 5 counts 50 Q 2 20 counts Full Scale Reading 50 0 to BMO iatera caresses 5000 counts 30 MO 2 peer SATA e STA K 3000 counts Measurement Current 0 5 mA to 50 nA decreases with increasing ranges Open Circuit Voltage eeeeeene lt 4V Continuity CONT m 300 5Q in 50 range Measurement Current sessssssssss 0 5 mA Detection of shorts of
25. 5 Cabling Bus Termination Appendices A Bushealth Measurements eG n c Vp 5V nc 2 RxD TxD P 24 J n c RxD TxD N A line 24 O c ne M12 Connector for RS 485 in IP65 67 D ground Pin assignment 1 VP 2 RxD TxD N 3 DGND 4 RXD TXD P DB 9 female 5 Shield wired for Profibus s Profibus PA 31 25 kBits s Profibus PA Process Automation is optimized for process control with focus on explosion safety The wires are marked Data and Data and carry a DC supply with superimposed data Additionally there are wires with DC power only Data traffic is continuous To check this bustype ScopeMeter Channel A is on and alternately AC coupled for data or DC coupled to test the DC supply The recommended probe is STL120 1 1 The probe tip must be connected to the Data line the COM input or Black Ground Lead to the Data line The figures below show some connector types Data OT oss Poser A Data and Pwr E 20 Data B Data and Pwr eee Optional Power C Optional Pwr amp 40 Optional Power D Optional Pwr 50 Rupe Connector acc IEC61158 2 for harsh environment DB 9 female fixed device side male contacts wired as per 61158 2 Caution When planning tests on this bustype make sure the proper safety rules are adhered to Ethernet Coax 10Base2 To check this bustype ScopeMeter Channel A is on and DC coupled The recommended Banana to BNC Adapter BB120
26. 9 Grounding Problems 9 6 H Hard Carrying Case 8 10 Harmonics 3 1 Harmonics Measurements 10 9 HC120 Hook Clips 8 9 High Frequency Measurements 2 25 Holding a Stable Reading 2 8 Hook Clips 8 9 Horizontal Cursors 2 22 Horizontal Move 10 3 Humidity 10 11 Hz 10 5 Information Language 9 2 Input A 1 5 Input B 1 5 Input Coupling 2 16 Input Impedance 10 2 insulated isolated 0 5 Isolated 0 6 Isolated Trigger Probe 2 19 8 10 Isolated Triggering 2 19 ITP120 2 19 8 10 K K factor 3 1 3 5 L Language 9 2 Level 2 17 Maintenance 8 1 Making Measurements 2 4 Manual 8 9 Manual Override 10 4 Manual Ranges 2 10 Max Floating Voltage 0 6 10 2 10 11 Max Input Voltage 10 2 10 11 Max Input Voltages 0 6 Maximum MAX Reading 5 3 Measurement Category Ill 0 6 Measurement Connections 1 5 Measurements 2 4 Mechanical 10 10 mechanical damage 0 5 Memory 10 10 Menu Area 2 2 Meter A Measurement 2 6 Meter B Measurement 2 6 Min Max Reading 5 3 Multimeter Disturbance 10 14 N Ni MH Battery Pack 0 2 8 2 Index continued 0 OC4USB 3 8 10 Ohm Q 9 6 10 7 Operating Time 10 10 Optical Interface 1 3 10 10 P PAC91 8 10 Parallel Print Cable 8 10 Parallel Printer 2 Parts 8 7 Peak 10 5 Performance Characteristics 10 1 Phase 10 6 PM8907 8 8 PM8918 Probe 10 2 PM9080 1 8 10 Polarity 2 16 Po
27. A OL o 3 BATTERY VERSION REFRESH BACK amp CAL ENTER Highlight ITALIANO Italian Accept ITALIANO as language Setting the Grid Display To choose a dotted grid do the following ER Open the USER OPTIONS menu DO Highlight GRID TYPE E Open the GRID TYPE submenu DISPLAY GRID as m LINES O DOTS O KO GRID GO Choose DOTS Fa Accept the new grid display Use LINES when you need a cross hatch pattern based on the horizontal time and vertical divisions on the screen Use DOTS when you need vertical and horizontal division dots as added reference points to the screen Changing Date and Time The test tool has a date and time clock To change the date to e g 20 June 2007 do the following ER Open USER OPTIONS menu USER OPTIONS PRINTER SETUP GRID TYPE DATE ADJUST TIME ADJUST AUTOSET ADJUST POWER DOWN ATTERY Lancvaee REF REST I VERSION ENTER Highlight DATE ADJUST E Open DATE ADJUST submenu DATE ADJUST Use to adjust YEAR MONTH 2002 05 do Choose 2007 GO Choose 06 DAY 20 Jump to MONTH FORMAT DD MMZYY BW MM DD YY ENTER e O O Go Go Tips and Troubleshooting Changing Date and Time Jump to DAY Choose 20 Jump to FORMAT Choose DD MM YY Accept the new date You can change the time in a similar way by openin
28. Battery Pack At delivery the batteries may be empty and must be charged to fill them completely Charging time is 7 hours test tool is off When fully charged the batteries typically provide 6 hours of use at full brightness Operating time is extended at normal brightness When battery powered the battery indicator on the bottom of the screen informs you about the condition of the battery The battery symbols are Ii K LO 3 The battery symbol indicates that there are typically five minutes of operating time left Use the setup as shown in Figure 8 1 to charge the battery pack and power the instrument Turn the test tool off to charge the batteries more quickly Note The test tool uses a trickle charge for the batteries so no damage can occur if you leave it charging for long periods e g through the weekend 8 2 Figure 8 1 Charging the Battery Pack Keeping Batteries in Optimal Condition Always operate the test tool on batteries until an x icon appears on the bottom line of the screen This indicates that the battery level is low and that the batteries need to be recharged Frequent charging of the batteries when they are not completely empty can reduce the operating time for the test tool You can refresh the battery pack at any time This battery refresh cycle fully discharges and charges the battery pack A complete refresh cycle takes about 20 hours and should be done at least four times a
29. DJUST Open the PROBE AC ADJUST submenu PROBE AC ADJUST ADJUST PROBE on B HO ADJUST ADJUST 10 1 PROBE ENTER Highlight ADJUST 10 1 PROBE Fa A square wave appears on the screen Adjust the trimmer screw in the probe housing to give an optimum square wave pue pe Return to normal mode Calibration Information You can ask for the model identity version and calibration data at any time To display the identity do the following o EM o EN Open the USER OPTIONS menu Open the VERSION amp CALIBRATION submenu UERSION amp CALIBRATION MODEL HUMBER 125 SOFTWARE VERSION U02 02 CALIBRATION HUMBER 3 CALIBRATIOH DATE 01 25 2007 BATTERY REFRESH DATE 01 25 2007 REPRE owner nere f EXIT The screen gives you information about the model number with software version the calibration number with latest calibration date and the latest battery refresh date o Gm Recalibration must be carried out by qualified personnel only Contact your local Fluke representative for recalibration Return to normal mode Maintaining the Test Tool 8 Calibration Information Note The test tool specifications are based on a one year calibration cycle Parts and Accessories Service Manual A service manual can downloaded from Fluke s website www fluke com Standard Accessories The next tables list the user replaceable parts for the various test tool models To order replacement par
30. Declaration of Conformity Sample tests Standards used EN 61010 1 2001 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use EN61326 1 2006 Electrical equipment for measurements and laboratory use EMC requirements The tests have been performed in a typical configuration The tests have been performed in a typical configuration This Conformity is indicated by the symbol CE i i e Conformit Europ enne 0 1 Fluke 125 Users Manual Unpacking the Test Tool Kit Note When new the rechargeable battery pack is not The following items are included in your test tool kit see fully charged See Chapter 2 Figure 1 Description Fluke 125 Fluke 125 S 2 Rechargeable NN BateyPack fe fe 5 Power Adapterattery Charger 1 1 4 Shielded Tost Leads wih Breck Ground less fe fe 5 Test Lead Black forGrounding ef Aligator Cis re goe gt fe Safety mormaon CD ROM with Users Maas gt gt ivaa pe fe 10 omaa fe 0 isi my 12 OptcalylsomedRs2saUS8 Ape 13 FlukeView SoopeMeter Sofware fr Windows pe w HwdCammpCme pf 0 2 Unpacking the Test Tool Kit S Version Figure 1 ScopeMeter Test Tool Kit 0 3 Fluke 125 Users Manual Safely Using the Test Tool See explanation in Xy Equal potential inputs manual Attention Carefully read the following safety information befo
31. Dem Ordering Code Software amp Cable Carrying Case Kit Supplied with Fluke 125 S SCC 120 Set contains the following parts Optically Isolated RS 232 USB Adapter Cable OCAUSB Hard Carrying Case Supplied with Fluke 125 S C120 FlukeView ScopeMeter Software for Windows SW90W Set of two Hook Clips Red and Gray W HC120 Bushealth Test adapter to connect the probe tip in an easy way to BHT190 busses that use a DB9 RJ 45 or a M12 connector 8 10 Chapter 9 Tips and Troubleshooting Introduction This Chapter gives you information and tips on how you can make the best use of the test tool Using the Tilt Stand The test tool is equipped with a tilt stand allowing viewing from an angle You can also use the tilt stand to hang the test tool at a convenient viewing position Simply tilt the stand and hang the test tool Typical positions are shown in Figure 9 1 Figure 9 1 Using the Tilt Stand 9 1 Fluke 125 User Manual Changing the Information Language When you operate the test tool messages appear on the screen These messages are always displayed in a box and can be displayed in various languages If you want to change the language of the messages into e g Italian do the following O O 9 2 WD Open the USER OPTIONS menu Open the LANGUAGE SELECT submenu O ENGLISH CIPORTUGUES rr CO FRANCAIS O ITALIANO nH4A REE r oO ODEUTSCH m GUSTS O ESP
32. E LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT TORT RELIANCE OR ANY OTHER THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation P O Box 9090 Everett WA 98206 9090 USA or Fluke Industrial B V P O Box 90 7600 AB Almelo The Netherlands SERVICE CENTERS To locate an authorized service center visit us on the World Wide Web http www fluke com or call Fluke using any of the phone numbers listed below 1 888 993 5853 in U S A and Canada 31 402 675 200 in Europe 1 425 446 5500 from other countries Table of Contents Chapter Title Page Declarationof Confortmity 2 5 2 rime HERR ect ic e Ee tee dase oin eges 0 1 Unpacking the Test Tool Kit bee ieee hie eee ee 0 2 safely Using the Test Tool erii i ansat tees da echec pdt des 0 4 General Operating Instructions eeeeeeeeeeeeee an enne nnne nnne nennt nnne innen nnne nn 1 1 Introduction E E 1 1
33. E Trig Ar B 100 AA 0300 1085 AUTO BEtno 1 5 9 13 17 21 25 29 33 UL CURSOR Gath da Figure 3 2 Harmonics Screen Show the input A voltage VOLT input B current AMP or power WATT harmonics Harmonics 3 Measuring Harmonics Select f to display harmonics bars as a percentage of the fundamental signal Select r to display harmonics bars as a percentage of the total rms signal Show the waveform screen Show the bars screen For the waveform screen use the F1 key to display the voltage input A the current input B or both waveforms If the waveform screen is shown the arrow keys key are locked Set cursor measurements ON or OFF see Using Cursors below Fluke 125 Users Manual Zooming Harmonics If the harmonics bars screen is displayed you can zoom vertically for a more detailed view D DO Press to vertically zoom in or out Observe the top of the long bars in figure 3 2 The arrow shape indicates that the harmonics are zoomed in The scale at the left side changes when zooming in or out Using Cursors Cursors allow you to make precise digital measurements on harmonics bars o H Select CURSOR ON Notice the cursor sign 4 b on top of the harmonic bar The display shows the readings of the marked bar Move the cursor to select another harmonics bar W In the harmonics waveform mode cursor measurements are disabled Note Reading the Harmoni
34. E to observe variations in time or amplitude of input waveforms over a longer period of time Figure 2 12 Displaying the Envelope of a Waveform 2 13 Fluke 125 Users Manual Acquiring the Waveform Making a Single Acquisition To catch single events you can perform a single shot One time screen update To set up the test tool for a single shot on the input A waveform do the following O 60 Connect the probe to the signal to be measured E Fi DO ao P 2 2 14 Open the application menu Open the TRIGGER submenu UPDATE AUTO m FREE RUN FANGE O OH TRIG M gt 15Hz O SINGLE O gt 1Hz O VIDEO on A O ROLL Highlight A Accept INPUT A Highlight SINGLE Accept the Single shot setup The test tool will now have a screen like Figure 2 13 Wait appears on bottom of the screen to indicate that the test tool is waiting for a trigger Run appears on bottom of the screen when the single acguisition is triggered Hold appears on bottom of the screen when the single acguisition has been completed pl As200mUa Sms P Hold B gt TRIGGER CURSOR MSYE SLOPE ON Figure 2 13 Making a Single Acguisition To perform a next single acguisition do the following O EJ Wait for another single acguisition trigger Recording Slow Signals over a Long Period of Time The roll mode function supplies a visual log of waveform activity and is
35. F With S TIEN 2000001001 tin redeo eon 1 MQ 225 pF with VP40 10 1 Probe ssse 5 MQ 15 5 pF Sensitivity sessssssss 5 mV to 500 V div Display Modes sssssseses A A B B max Input Voltage A and B direct with test leads or with VP40 Probe 600 Vrms with BB120 ssseeeem em 300 Vrms For detailed specifications see Safety Figs 4 1 4 2 max Floating Voltage from any terminal to ground 600 Vrms up to 400 Hz Resolution rere RR 8 bit Vertical Accuracy 1 0 05 range div Max Vertical Move eeessese 4 divisions Horizontal Scope Modes Normal Single Roll Ranges Normal equivalent sampling 10 ns to 500 ns div real time sampling vnr 1 us to 5 s div Single real time sss 1 us to 5 s div Roll real time ees 1s to 60 s div Sampling Rate for both channels simultaneously Equivalent sampling repetitive signals up to 1 25 GS s Real time sampling 1 us to 5 ms div sseeeee 25 MS s 10 ms to 60 s div issii 5 MS s Time Base Accuracy Equivalent sampling 0 4 0 04 time div Real time sampling 0 1 0 04 time div Glitch Dete
36. FLUKE Fluke 125 Industrial ScopeMeter Users Manual GB Dec 2006 Rev 3 09 2009 2006 2007 2008 2009 Fluke Corporation All rights reserved All product names are trademarks of their respective companies LIMITED WARRANTY amp LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is three years for the Fluke 120 Series Test Tool and one year for its accessories The warranty period begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available if product is purchased through a Fluke authorized sales outlet or Buyer has pai
37. MENTS Doff MES O ac E OH Ude OAdc O TEMP O PULSE Uac dc O Aac dc O PEAK OY pwm O POWER O CREST O dB O Hz O PHASE wmpur T zero I ENTER Highlight ON Turn Input B on Observe that the highlight jumps to the present main measurement EY Highlight PEAK ao Fa Open the PEAK submenu PEAK TYPE O PEAK HAXA mq O PEAK MINE ENTER D Highlight PEAK PEAK Fa Accept the pk pk measurement Now you will see a screen like Figure 2 8 Scope Meter Mode 2 Making Measurements 34 L He E Am 504 i mss E Trig h Bx 5 UA A TRIGGER CURSOR MOUE SLOPE ON Figure 2 8 Hz and Vpp as Main Readings 2 7 Fluke 125 Users Manual Freezing the Screen You can freeze the screen all readings and waveforms at any time O EJ Freeze the screen HOLD appears at the bottom of the reading area O EJ Resume your measurement 2 8 Holding a Stable Reading The Touch Hold mode captures a stable main large reading on the display When a new stable reading is detected the test tool beeps and displays the new reading Use the following procedure for the Touch Hold function VHzA O Open the INPUT A menu O Fa Enter the Touch Hold mode THOLD appears at the bottom of the reading area BEEp Wait until an audible beep now you have a stable reading amp Fi Turn Touch Hold off and return to n
38. See Figure 2 18 Use horizontal cursors to measure the amplitude high and low value or overshoot of a waveform Scope Meter Mode 2 Making Cursor Measurements Using Vertical Cursors on a Waveform To use the cursors for a time measurement do the following O FA From Scope mode display the Cursor Key functions CURSOR move jT eee AE fi D O Fi Press to highlight I Observe that two vertical cursors are displayed Markers identify the point where the cursors cross the waveform or B Highlight the left cursor position on the waveform Highlight the right cursor O Move the right cursor to the desired position on the waveform If necessary choose the trace A 6 Move the left cursor to the desired Al t 1880us E3 d Du Wt 5319kuz ZEE JW hr TUVA S0ush Xr irigar Br TUA TURSOR em TRACE Y CURSOR Par PPM B mi off Figure 2 19 Time Measurement with Cursors The readout shows the time difference t between the cursors and the voltage difference between the two markers See Figure 2 19 The signal frequency is displayed behind 1 t if exactly 1 signal period is between the cursors 2 23 Fluke 125 Users Manual Making Rise Time Measurements To measure rise time do the following O 2 24 K ES DO S From Scope mode display the Cursor Key functions CURSOR hove S AUTOS ER 1 Hi MGI DP OFF Press to highlight Ill rise
39. Storing 8 1 SW90W Software 3 8 10 cpi Temperature Measurement 10 6 Temperature Environmental 10 11 Test Leads 8 8 Test Limits 4 8 4 9 THD 3 1 3 5 Tilt Stand 9 1 Time 9 3 Time Base 2 10 Time Base Accuracy 10 3 Time Base Ranges 10 3 time measurement 2 23 TL75 8 9 Touch Hold function 2 8 10 8 Trace Disturbance 10 13 TrendPlot function 10 8 TrendPlot Function 5 1 Trigger 10 3 Trigger Icons 2 17 Trigger Level 2 17 Trigger Parameters 2 18 Z Trigger Sensitivity 10 3 Triggering 2 17 Zero Reference 2 9 True RMS Voltages 10 4 U Unpacking 0 2 USB Adapter Cable 8 10 User Manual 8 9 Using a Printer 1 Using FlukeView Software 3 V Vertical Accuracy 10 2 Vertical Cursors 2 23 Vibration 10 11 Video Line 2 21 Video on A 10 3 Video Signals 2 20 VP40 Probe 2 25 VPS40 Probe Set 8 8 Vpwm Measurement 10 6 W Warning 0 4 Waveform Area 2 2 Index continued Fluke 125 Users Manual
40. age range on the PM8907 matches the local line power voltage and freguency eFor the PM8907 808 universal Battery Charger Power Adapter use only line cords that comply with the local safety regulations Note To accommodate connection to various line power sockets the PM8907 808 universal Battery Charger Power Adapter is eguipped with a male plug that must be connected to a line cord appropriate for local use Since the adapter is isolated the line cord does not need to be eguipped with a terminal for connection to protective ground Since line cords with a protective grounding terminal are more commonly available you might consider using these anyhow Safely Using the Test Tool A Warning To avoid electrical shock or fire if a Test Tool input is connected to more than 42 V peak 30 Vrms or on circuits of more than 4800 VA eUse only insulated voltage probes test leads and adapters supplied with the Test Tool or indicated as suitable for the Fluke 125 Test Tool e Before use inspect voltage probes test leads and accessories for mechanical damage and replace when damaged e Remove all probes test leads and accessories that are not in use e Always connect the battery charger first to the ac outlet before connecting it to the Test Tool eDo not apply input voltages above the rating of the instrument Use caution when using 1 1 test leads because the probe tip voltage will be directly transmitted to the Test Tool eD
41. atter should then be referred to qualified personnel Safety is likely to be impaired if for example the Test Tool fails to perform the intended measurements or shows visible damage Introduction This Chapter provides a step by step introduction to the general test tool functions Preparations for Use At delivery the batteries may be empty and must be charged for at last 7 hours Deeply discharged batteries may even cause the test tool not to start up when it is turned on Refer to chapter 8 for charging instructions Powering the Test Tool Follow the procedure step 1 to 3 in Figure 1 1 to power the test tool from a standard ac outlet See Chapter 8 for battery power instructions The test tool powers up in its last setup configuration Chapter 1 General Operating Instructions Figure 1 1 Powering the Test Tool Note When battery powered the battery indicator informs you about the condition of the battery from full to empty Ek B E iO 5 1 1 Fluke 125 Users Manual Resetting the Test Tool If you want to restore the test tool settings as delivered from the factory do the following O Turn the test tool off O ES Press and hold O Press and release The test tool turns on and you should hear a double beep indicating the Reset was successful e EI Release Now look at the display you will see a screen that looks like Figure 1 2 1 2 p NN a SmUA ions lt f
42. blade screwdriver N 9 o0 gt Figure 8 2 Replacing the Battery Pack Lift the battery access cover away from the test tool Take the battery pack out of the battery compartment Remove the battery plug from the connector Install a new battery pack Note Ensure that the battery pack is placed in the battery compartment as shown in Figure 8 2 8 Reinstall the battery cover and secure the screw Using and Adjusting 10 1 Scope Probes Note The 10 1 voltage probe VPS40 that is supplied with Fluke 125 is always adjusted correctly to the Test Tool and needs no further adjustment You need to adjust other 10 1 scope probes for optimal response A Warning To avoid electrical shock use the BB120 Banana to BNC adapter delivered with the test tool to connect a 10 1 scope probe to the input of the test tool To adjust probes do the following e Connect the 10 1 scope probe from the gray input B jack to the red input A jack Use the red 4 mm banana adapter delivered with the probe and the banana to BNC adapter BB120 See Figure 8 3 Maintaining the Test Tool Using and Adjusting 10 1 Scope Probes Figure 8 3 Adjusting Scope Probes 8 8 5 Fluke 125 Users Manual 090 6 8 6 Open the application mode menu Highlight SCOPE METER Enter the SCOPE METER mode Open the Input A or the Input B MEASUREMENTS menu The F1 F4 button bar pops up Open the INPUT menu Highlight AC A
43. cs Screen Depending on the test tool settings the readings show different measurement units Table 3 1 shows the readings for VOLT AMP WATT and CURSOR OFF Table 3 2 shows the readings for VOLT AMP WATT and CURSOR ON Table 3 1 Harmonics Readings cursor OFF Mode MainA Secondary A MainB Secondary B Volt Vrms THD Hz Amp Hz K Factor Arms THD Watt Wrms THD Hz K Factor Table 3 2 Harmonics Readings Cursor ON Mode Main A Secondary A Main B Secondary B Volt V Relative value Hz Angle Vor or f Amp Hz Angle A Relative value Vor or f Watt Wrms Relative value Hz Angle Vor or f Harmonics 3 Measuring Harmonics SECUNDARY A 9884 SECUNDARYB Figure 3 3 Reading the Harmonics Screen THD total harmonic distortion is the amount of harmonics in a signal as a percentage of the total rms value r or as a percentage of the fundamental f K factor indicates the losses in transformers due to harmonic currents Relative value value of the bar marked by the cursor f as a percentage of the fundamental VOLT AMP WATT value 9er as a percentage of the total rms VOLT AMP WATT value Angle the phase angle between the harmonic component and the fundamental voltage or current Fluke 125 Users Manual 3 6 Introduction Fieldbuses are bi directional digital serial control networks used in proces
44. ction 240 ns 20 ns to 5 ms div 2200 ns 10 ms to 60 s div Glitch detection is always active Horizontal Move eseeee 10 divisions Trigger point can be positioned anywhere across the Screen Specifications 1 0 Dual Input Oscilloscope Trigger Screen Update Free Run On Trigger SOUFCe ise c de T s N O EO A B EXT EXTernal via optically isolated trigger probe ITP120 optiona accessory Sensitivity A and B DC to 5 MHZ 0 5 divisions or 5 mV O 40 MHZ ooioeia an aa an aa n naan e naaeen 1 5 divisions 0 60 MHz tiet treten teen 4 divisions Slope Eetecen Positive Negative Video on A interlaced video signals only Modes rmvrrrroranrrorernnvrnnannrevernnvrnnsneneer Lines Line Select Standards PAL NTSC PAL SECAM Polam asiana ER Positive Negative Sensitivity croce ice 0 6 divisions sync 10 3 Fluke 125 Users Manual Advanced Scope Functions Display Modes Normal Captures up to 40 ns glitches and displays analog like persistence waveform Smooth Suppresses noise from a waveform Envelope Records and displays the minimum and maximum of waveforms over time Auto Set Connect and View Continuous fully automatic adjustment of amplitude time base trigger levels trigger gap and hold off Manual override by user adjustment of amplitude time
45. d the applicable international price Fluke reserves the right to invoice Buyer for importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Fluke authorized service center Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that the failure was caused by misuse alteration accident or abnormal condition of operation or handling Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT B
46. dium Speed MS CAN Hi Pin 3 MS CAN L Pin 11 Common Signal Ground Pin 5 Battery Plus Pin 16 Minus Pin 4 CAN L Ground Interbus S Is used in Process Industry and Factory Automation such as Assembly Welding and Materials Handling machines Controller and Devices are arranged in a ring system as shown in the figure below Interconnection between the devices is achieved via a Twisted Pair of lines DO Data Out yellow wire Not DO green and another pair DI Data In gray Not DI pink Data traffic is continuous passing data packets through the chain of devices DEVICE 1 To check Interbus S ScopeMeter Channel A is on and DC coupled The recommended probe is VPS40 10 1 The probe tip must be connected to the DO or DI wire the COM input or Black Ground Lead to the Not DO or Not DI wire The wires can be reached with Back Probe Pins at screw terminals at a device s wire entry point for instance at a Junction Box In addition the figure below shows the pinning of a DB 9 female connector wired for Interbus S DO 19 DI 20 Ground 30 40 KN gt 6 dg Ol sure Ox OI Oa o 9 150 DB 9 female ControlNet Is a network system used for high performance automation and process control Connection between devices is achieved via 75 Q coaxial cables The figure A 5 Fluke 125 Users Manual below shows a typical system layout Data traffic is continuous
47. e 2 6 Freezing the Screens eoe i eee etin RR Ier Een EE SUPRA Ene KANT DER Ee REC 2 8 Holding a Stable Reading oooosususmsm saa n n n aan aa a n nana rennen rennen 2 8 Making Relative Measurements sese eene aan naa a nananana 2 9 Selecting Auto Manual Ranges sse aa annan an naan nne 2 10 Changing the Graphic Representation on the SCreen euuuuuuums msn eraan ana anaeen 2 10 Changing the Amplitude 5 2 corio oreet street ae dnte dne ere 2 10 Changing the Time Base oi taessa state KNN seilicet ede v t tee agenee tiveness 2 10 Positioning the Waveform on the Screen ssssssseee eme 2 11 Smoothing Waveforms and Readings see 2 12 Displaying the Envelope of a Waveform sssess eem 2 13 Acquiring the Waveform cccceceececeeeeeeeeneceeeeeeeceaaeaeeeeeeesecaaeaeceeeeeseceuaeeeeeeeeeeenaaees 2 14 Making a Single Acquisition uuuuosssssssss a naa ana n naan ana a nananana nnaen 2 14 Recording Slow Signals over a Long Period of Time oousssss sn n aa anna aaaan 2 15 Selecting AC Coupling 2 2 2 itti ti cen te ee de aceto ii l Hehe tavasti 2 16 ii Contents continued Reversing the Polarity of the Displayed Waveform eee 2 16 Triggering on a Waveform c ic cc steccecteeescsteedeneeneesdecdueesuedebdecdecsbdecdunebeoedeesteedeeeetiecteres 2 17 Setting Tri
48. e EIren Eao AO E E E E E E E 1 1 Powering the Test TOO energie maana luaa eapite a 1 1 Resetting the Test ToO0l 1 1e Lite entre siete TE aseen ase ETEEN reinen ec 1 2 Ch nging Backlight suisse 2 12 0 oreet H kea nia kela ease cri re Kasa x ee oq A ASAN 1 3 Changing Contrast ccen wee naive ib veo ent e RO Ip ee ei Te Ye pope e eee TEL 1 3 Making Selections in a Menu ssssssssssssssssese an nannaa ener nnn nnns 1 4 Looking at the Measurement Connections eesseeeeeee eee 1 5 ID put Ae mt Kai rasnon S eeu a Kiala IA T A dbo 1 5 Fluke 125 Users Manual IT 6156 gt we c EET 1 5 COM sees detent eed la ei el in Te eed a i el edie T n ah te ee 1 5 Measurement Probes amp Settings ssssssseeeee emm eene 1 6 Scope Meter Mode 55 ira al iU ives cease dace eden dendi ILU tese ren inso se Pe nada vest dm Da n ee yino aep a a uae a cr 2 1 Introduction d 2 1 Selecting the Scope Meter Mode senem eene 2 1 Reading thie SCreen iai iei tco Honec neediest Drei caos a Pope Ce ede LRL Eve daten 2 2 Displaying an Unknown Signal with Connect and View Auto Set 2 3 Making Measurements c ccccceeeececceceeeeeeeeeeeaeeeeeeeseceeeaeeeeeeesececeaeeeeeeeseseessaeeeeeeeeee 2 4 Connecting the Inputs reete teinte dune retento e dni dante erede 2 4 Selecting a measurement function enn
49. e minimum and the maximum main are plotted 06 Move the cursor to the desired position on the graph Note To resume updating the graph press EJ again 5 3 Fluke 125 Users Manual 5 4 Chapter 6 Saving and Recalling Data Sets Introduction Saving Data Sets This Chapter explains how to save data sets into the test To save a data set do the following tool s Flash EEPROM memory and how to view rename and delete Heim O Ed Open the SAVE RECALL mode PRINT Y RECALL save The test tool has 20 data memories In each memory you SCREEN DELETE can save a data set N N The screen is frozen until you A data set consists of the screen data the waveform data leave the SAVE RECALL mode and the test tool setup again You can leave the SAVE RECALL mode by pressing the SAVE PRINT key again 6 1 Fluke 125 Users Manual o umm Open the SAVE submenu SCREEH SETUP DATA Saved at 02722705 09 22 04 I SPACE SAVE The menu shows the default name for the data set to be stored Data n The n indicates the first free memory location number You can change the name or save the data set using the default name Continue as follows 96 Select the character you want to change DO Change the selected character K The SPACE softkey replaces the highlighted character with a space and highlights the next character When finished save the data set o Em The
50. e schedule so that there is continuous data traffic To check AS i ScopeMeter Channel A is on and alternately AC coupled for data or DC coupled to test 30 Vdc The recommended probe is STL120 1 1 The probe tip must be connected to the positive wire the COM input or Black Ground Lead to the negative wire Connection between controller and devices is made using a dedicated yellow flat cable as shown in the figure below cross section Connection to the devices is done with piercing connectors To connect Probe Tip and Black Ground Lead to brown conductor and blue the TP88 Back Probe Pins optional can be used to probe screw terminals at the end of the flat cable or as piercing probes The material of the flat cable also allows to pierce the pin into it After removal of the pin the material closes again As i also uses M12 connectors for data as well as on off signals The figure below shows where to find and on on such a connector Fluke 125 Users Manual 1 Ch A O O 410 O5 op O 3 COM M12 CONNECTOR FEMALE CAN Bus DeviceNet The Controller Area Network CAN is used on board of automobiles and also in industrial applications The industrial bussystem DeviceNet is based on CAN hardware CAN is a two wire differential bus used to control actuators and to read out sensors The bus allows data exchange between different devices The signal behavior in time is shown in the figure
51. ealth Test adapter to connect the probe tip in an easy way to busses that use a DB9 RJ 45 or a M12 connector In some bus systems AS i for instance the protocol uses continuous polling of all devices in a fixed time schedule so that there is continuous data traffic Other systems such as RS 232 only carry data when settings are changed Bushealth requires continuous data traffic to perform its measurements In case of very low data repetition rates the banner NO DATA is displayed In systems with low data rates it is recommended to increase the data rate by e g knob operation Contact the system manager for this Appendices A Bushealth Measurements For Bus measurements that use input A and B CAN Modbus RS 485 Profibus DP RS 485 it is important that the Common Mode component at the inputs is as small as possible This component may consist of 50 or 60 Hz hum or other noise Common mode signals may affect measurement results In case of doubt use SCOPE mode to investigate the waveforms at A and B In case of visible interference look for a ground lead attachment point in the system under test that shows the smallest interference Tips and Hints per Bustype AS i Bus The Actuator Sensor Interface AS i is used to control on off devices at the factory floor The bus consists of 2 wires marked and that carry a 30 Vdc supply with superimposed data The AS i protocol uses continuous polling of all devices in a fixed tim
52. eeceeeeeesaeauaasceeeessesaaanaes A 1 Introduction This Appendix contains information to extend the information presented in the Fluke 125 Users Manual This concerns Chapter 4 Fieldbus Measurements and more in particular Table 4 1 This table shows for each Fieldbus type the ScopeMeter channels and probe types to be used for testing The purpose of this Appendix is to give more information on how to connect Probe s and Ground Lead to the Fieldbus system under test Bear in mind however that due to the variety of Bus Standards and Connectors used worldwide it is impossible to cover all situations The connection solutions in this Supplement cover those most commonly found Appendix A Bushealth Measurements General The Bushealth measurement is based upon the instrument s Scope mode In Scope mode the instrument displays the waveforms of the bus signals Once a signal is captured it requires expert knowledge on how to interpret these signals Bushealth makes signal interpretation very easy The captured waveform s are compared against voltage and timing criteria as specified for the tested Bus Type resulting in clear quality information of these criteria OK marginal or out of range Fluke 125 Users Manual Caution Fieldbusses often are controlling delicate processes that must not be disturbed It is strongly recommended to contact the system manager before any connections are made Use of Probes and Accesso
53. eig Ar TRIGGER CURSOR Hoyr SLOPE gt ON Figure 1 2 The Screen After Reset Changing Backlight After power up the screen has a high bright display To save battery power the screen has an economic brightness display when operated on the battery pack no power adapter connected Note Using dimmed display lengthens maximum battery power operation time To change the brightness of the display do the following O Invoke the LIGHT CONTRAST button bar O ED Select LIGHT b Dim or brighten the backlight The high brightness increases when you connect the power adapter General Operating Instructions Changing Backlight Changing Contrast To change the screen contrast do the following Invoke the LIGHT CONTRAST button bar E Select CONTRAST GO Press and hold to change the contrast 1 1 3 Fluke 125 Users Manual Making Selections in a Menu How to use the menus is illustrated in the example below on how to adjust the test tool for use with a certain printer type O E The user options menu pops up O 96 Highlight PRINTER SETUP Open the PRINTER SETUP menu Highlight the reguired printer type Highlight the reguired baud rate eo Fa OO Fa Accept the printer type OO Fa Accept the baud rate The menu will be closed Notes Pressing EI a second time closes this menu and resumes normal measurement This toggling enables you to check
54. en Pressing again will clear the persistence waveform and restart showing the waveform eye pattern Fluke 125 Users Manual Setting the Test Limits You can change the test limits used to generate the messages OK WARNING Qj and NOT Ok W The test limits apply to the selected bus type To change the test limits for another bus type do steps 1 5 on page 4 2 first To change the test limits do the following o E 4 8 From the test screen open the SETUP LIMITS menu You will see a screen like Figure 4 5 The header shows the bus type Select the signal property for which you want to set the limit Select the level to be adjusted LOW HIGH or WARNING Press Fr to set all limits to the default setting Change the limits A in the SETUP LIMITS screen indicates that a signal property has limits that differ from the default setting Press EN N A if a limit should not be involved in the test Fa Accept the limits and return to the test screen In the test screen the text LIMIT will be followed by a if any of the limits is not the default limit Note Changed limits will persist until you change them again you reset the test tool resetting will restore the default limits Field Bus Measurements 4 Saving and Recalling Test Limits Saving and Recalling Test Limits HEH EH50295 You can save a screen plus the test setup with adjusted LOW HIGH WARHIKC test limits plus the mo
55. enuation keys 10 8 Cursor readout Sources A B Single Vertical Line Average Min and Max Readout Average Min Max and Time from Start of Readout in ROLL mode instrument in HOLD Min Max and Time from Start of Readout in TRENDPLOT mode instrument in HOLD Dual Vertical Lines Peak Peak Time Distance and Reciprocal Time Distance Readout Average Min Max and Time Distance Readout in ROLL mode instrument in HOLD Dual Horizontal Lines High Low and Peak Peak Readout Rise or Fall Time Transition Time 0 Level and 100 Level Readout Manual or Auto Leveling Auto Leveling only possible in Single Channel Mode Accuracy As Oscilloscope Accuracy Harmonics Measurements Number of Harmonics n DC 33 60 Hz EET DC 24 400 Hz Readings Cursor readings fundamental 40 70 Hz V rms A rms cecce fund 3 2 counts H 33st 5 3 counts Walt iet cnet tea fund 5 10 counts 33st 10 10 counts Frequency of fundamental 0 25 Hz Phase Angle fund 3 33st 15 K factor in Amp and Watt 10 Tim DASE eee PORE fixed uoo 0 Harmonics Measurements Field Bus Measurements Type Subtype Protocol AS i NEN EN50295 CAN ISO 11898 Interbus S RS 422 EIA 422 ControlNet 61158 type 2 Modbus RS 232 RS 232 EIA 232 RS 485 RS 485 EIA 485
56. er 1 cene enr tno ove hk eie nra nidis apad 9 4 Changing the Auto Set Options ssssssseeeeneen een ener enn 9 5 Using Proper Grounding esee enne eene eene nnne 9 6 Solving Printing and Other Communication Errors eeee 9 7 Battery Testing of Fluke Accessories ssssssssssssssesee eene 9 7 rnledeupDicme due en 10 1 I Li ete 8 02 110 0 EEE EE 10 1 Dual Input OSCIIlosCOpPe a esta recused dreenine e kan aai aiai 10 2 DualInput Meter Ladens tET SE 10 4 Gursor reado niari nei E AE EIEE NE ATEREA EE 10 8 Harmonics Measurements sssssseeesee eene reen ener nenne nennen nns 10 9 Field Bus Measurements 5 interni Leere teet eaae pacte eae ede Evan rsen aate 10 9 Werne 10 10 A d 10 11 ELI am aEN Vo 10 11 Fluke 125 Users Manual AAD DONCICCS cr 0 1 Bushealth Measur mients 1 cageaccaccteiecdedvecacedassiacdaateneheidasceduddadieweee SUA SKA euren i aad ERE TE QE A 1 Introduction senei aa TOTEM A 1 ETATIS TURPIUS E tmi ra A 1 Use of Probes and Accessories uuussssoo anon ananas aa akan aa nennen nena A 2 Tips and Hints per BUStype oosuussse sn nn aa a n eene eene enne nns A 3 AS BUS sninen he rette ci
57. eric readings If only input A is on you will see the input A readings only Waveform area B Displays the waveforms The bottom line displays the ranges div and the power indicator line or battery If only input A is on you will see the input A waveform only Note When battery powered the battery indicator informs you about the condition of the battery from full to empty W amp IK E LO x Menu area C Displays the menu that provides choices available through the blue function keys When you change a setup a part of the screen is used to display the choices The area displays one or more menus with choices accessed with the arrow keys ooQb 1 400 914035 MEASUREMENTS HIS C0O0HM Chac O TEMP LUdc OCOoNT OAde O PULSE O Uac dc O DIODE O Aac dc O PEAK OV pum CAP O POWER O CREST O dB OHz O PHASE INPUT ZERO TOUCH ENTER XE Trig Ar Be 1 UA B e TRIGGERT CURSOR MOUE SLOPE ON Figure 2 1 The Screen Area s Displaying an Unknown Signal with Connect and View Auto Set The Connect and View function enables hands off operation to display complex unknown signals This function optimizes the position range time base and triggering and assures a stable display on nearly all waveforms If the signal changes the setup will track these changes To enable the Connect and View function do the following e Connect t
58. ers occur Scope Meter Mode Triggering on a Waveform Isolated Triggering Use the optically isolated trigger probe ITP120 optional to trigger on an external source and to isolate the test tool from a trigger waveform See Figure 2 16 To choose the isolated trigger probe select EXT in point Q of the previous example Trigger level is fixed and is TTL compatible Figure 2 16 Isolated Triggering Fluke 125 Users Manual Triggering on Video Signals e Apply an interlaced video signal to the red input A To trigger on a random video line continue from point of the previous example as follows Q o 2 20 DO ES Highlight VIDEO on A Open the VIDEO TRIGGER submenu VIDEO TRIGGER SYSTEM LIHE POLARITY O RANDOM M POSITIVE OHTSC E SELECT O NEGATIVE OPAL plus i O SECAM ENTER Highlight PAL Select PAL Highlight RANDOM Select RANDOM OO Highlight POSITIVE 00 Fa Accept the video trigger selections Trigger level and slope are now fixed See Figure 2 17 Positive video is indicated as a icon on bottom of the 1014 EU 2 fuii idus lt irig fis CURSOR ON Figure 2 17 Measuring Video Signals Triggering on a Specific Video Line To view a specific video line in more detail you can select the line number To measure on a selected video line continue from point of the previous
59. especially useful when you measure lower Open the application menu Open the TRIGGER submenu IHPUT UPDATE nra E FREE RUH OB O OH TRIG O ERT O SINGLE O VIDEO on A O ROLL Back swoon ENTER Highlight A Accept INPUT A Highlight ROLL frequency waveforms e E o W 2 OO o a o OO 23 2x Start Recording The waveform moves across the screen from right to left like a normal chart recorder Observe that during recording no measurements are made See Figure 2 14 Scope Meter Mode Acquiring the Waveform CUHSOR 05 H Figure 2 14 Recording Waveforms over Longer Period of Time EJ Freeze Recording Observe that the measurement values are only displayed after EN is pressed See figure 2 14 2 15 Fluke 125 Users Manual Selecting AC Coupling Use AC coupling when you wish to observe a small AC signal that rides on a DC signal To select AC coupling on input A do the following O O 2 16 VHzA Qc Ev do ZE 2x Open the A MEASUREMENTS menu Open the INPUT menu PROBE COUPLING WAVEFORM W HORMAL O INVERT SELECT WDC AC ADJUST OAC BACK zero MUCH ENTER Jump to the COUPLING field Highlight AC Accept AC coupling Reversing the Polarity of the Displayed Waveform To invert the input A waveform do the following O O VHzA Fr Fa 2x Do Ew Open the A MEASUREMENTS men
60. example as follows GO Highlight SELECT o m o ES UIDED TRIGGER SYSTEM LIHE POLARITY mmn O RANDOM N POSITIVE LH HTSE E SELECT OHEGATIVE O PALplus Osecam Select SELECT Highlight POSITIVE Accept the video trigger selections Scope Meter Mode Triggering on a Waveform To choose line 135 do the following O H DO Select number 135 Enable video line selection 2 21 Fluke 125 Users Manual Making Cursor Measurements Cursors allow you to make precise digital measurements on waveforms For 3 phase power measurements cursors are disabled Using Horizontal Cursors on a Waveform To use the cursors for a voltage measurement do the following F4 From Scope Meter mode display the Cursor Key functions SA letun o E Press to highlight EJ Observe that two horizontal cursor lines are displayed Highlight the upper cursor o zum DET Move the upper cursor to the desired position on the screen o EH GO Move the lower cursor to the desired position on the screen Highlight the lower cursor 2 22 Note Even when the key labels are not displayed at the bottom of the screen you can still use the arrow keys 430 vm CURSOR moue CURSOR IBT Chl OFF Figure 2 18 Voltage Measurement with Cursors The readout shows the voltage difference between the two cursors and the voltages at the cursors in relation to the zero icon
61. g the TIME ADJUST submenu steps and Q 9 3 Fluke 125 User Manual Saving Battery Life When operated on the battery pack no Power Adapter connected the test tool conserves power by shutting itself down If you have not pressed a key for at least 30 minutes the test tool turns itself off automatically Note If the Power Adapter is connected there is no automatic power shutdown Although automatic power shutdown will not occur if TrendPlot is on the backlight will dim Recording will continue until the battery pack is low The remaining battery capacity ensures that the recorded data will not be lost Setting the Power Down Timer The power shutdown time is set to 30 minutes after the last key press To set the power shutdown to five minutes do the following pen the menu O O he USER OPTIONS DO Highlight POWER DOWN 9 4 OO Highlight AFTER 5 MINUTES Em Em Open the submenu POWER DOWN INSTRUMENT AUTO OFF In Trendplot Backlight low O AFTER 5 MINUTES EGELI O NEVER ENTER Accept the new power down time Changing the Auto Set Options On delivery or after a reset the Auto Set function captures waveforms from 15 Hz and faster and sets the input coupling to DC To configure Auto Set for capturing slow waveforms down to 1 Hz do the following Note Setting the Auto Set adjust to 1 Hz will slow down the Auto Set response The display will sho
62. gger Level and Slope sse eene enn 2 17 Selecting the Trigger Parameters sssssseeem e 2 18 Isol ted Triggering pm 2 19 Triggering on Video Signals intet ette ed eie i tenia eee 2 20 Triggering on a Specific Video Line ss em 2 21 Making Cursor Measurements sssssseeeee eene enne nennen enne 2 22 Using Horizontal Cursors on a Waveform ssssssssssseeeneen enne 2 22 Using Vertical Cursors on a Waveform sss eem 2 23 Using the 10 1 Probe for High Frequency Measurements seen 2 25 Probe AttenuatiOn osaset osataan ita beret te orto epp ee weg Lee io Peine t Rhine eee sab 2 25 Probe Adjustment sn massan aa no te ee at en esos Xe nie Sa E cn egere 2 25 Harmonicsuunsmuadasasdaatneede runner cuveusarevscosdesvatesedauuer 3 1 IMtrOdUCHION 3 teer three Enni E 3 1 Measuring Hartrmonics oecui certet notte tin entree TA Sn RR Nae Ene eT TUEN nE dee a seo exon 3 1 Performing Harmonics Measurements ssssseee emen 3 2 ZOOMING Harmonics 2 1 citet a e eee ie teutoi to est Rede de 3 4 Using CUISOIS oet rop de te Le ERE e p ee es 3 4 Reading the Harmonics Screen ssssssssseeeeneene nennen 3 5 Field Bus MeasurementS rurrssvvnnnnnnvnnnnnnnvnnnnnnnvnnnnnvnnnnnnnvnnnnnnnnvnnnnnnnnnnnnnvnnnnnnnvennnnnnnennnnvenennnn 4 1 Introduetion e
63. he red test lead from red input A to the unknown signal to be measured auro Press to select the AUTO automatic or the MANUAL mode toggle function In the next example the screen displays 1 411 in large numbers and 1 000 in smaller numbers A scope trace gives a graphical representation of the waveform The trace identifier A is visible at the left side of the waveform area The zero icon identifies the ground level of the waveform Scope Meter Mode Displaying an Unknown Signal with Connect and View Auto Set 14116 _ 1000u AUTO E Ce eric OCDE KRIISI JORI EC ETELE EU Am 1U4 500usH lt F Trig Ar B lt gt IRIGGERS CURSOR Maur SLOPE ON Figure 2 2 Scope Screen After an Auto Set 2 3 Fluke 125 Users Manual Making Measurements Temperature measurements See figure 2 6 Use a 1 mV C temperature transmitter not available in all countries to get the correct temperature reading The reading area displays the numeric readings of the chosen measurements on the waveform that is applied to the input jack Connecting the Inputs Power measurements See figure 2 7 Select correct probe settings for voltage measurement on input A and current measurement on See figure 2 3 For proper grounding connect the short input B ground leads to the same ground potential You can also use test lead D for grounding See also Using Proper Grounding in chapter 9 Voltage measurements
64. hielded Ground Lead Solving Printing and Other Communication Errors RS 232 communication may cause problems When experiencing communication problems try the following remedies Make sure that you have selected the correct printer type To select printer type see Chapter 7 Make sure that the baud rate matches with the printer or computer To set the baud rate see Chapter 7 e PM9080 make sure that the interface cable is connected to the correct port on the printer or computer If necessary use a 9 pin to 25 pin adapter or gender changer OC4USB make sure that the OC4USB cable s COM port matches the application program s e g FlukeView COM port See also the OCAUSB Instruction Sheet OC4USB make sure that the drivers for the USB cable are installed properly Tips and Troubleshooting Solving Printing and Other Communication Errors Battery Testing of Fluke Accessories When using battery operated Fluke accessories always check the battery condition of the accessory first on a Fluke multimeter 9 7 Fluke 125 User Manual 9 8 Introduction Performance Characteristics FLUKE guarantees the properties expressed in numerical values with the stated tolerance Specified non tolerance numerical values indicate those that could be nominally expected from the mean of a range of identical ScopeMeter test tools Specifications are based on a one year calibration cycle Environmental Data
65. instrument returns to normal signal acquisition again 6 2 If no free memory locations are available message pops up that proposes to you to overwrite the oldest data set Do one of the following O KN Reject the proposal to overwrite the oldest data set then delete one or more memory locations and save again or Overwrite the oldest data set Recalling Renaming Deleting Data Sets To recall a data set do the following o BE Open the SAVE RECALL mode RBS TEESE Tove If no data sets are stored RECALL DELETE is disabled grey text Open the RECALL DELETE menu RECALL DELETE 05718706 18 52 01 Data 6 05 18 06 18 30 05 Data 5 05713705 16 38 23 Data 3 05 13 06 16 35 01 Data 2 05 18 06 16 30 01 Data 1 DELETE RENAME BACK RECALL Highlight the data set you want to recall rename or delete Saving and Recalling Data Sets 6 Recalling Renaming Deleting Data Sets Press F1 to delete the data set Press F2 to rename the data set do steps 3 5 of the Saving Data Sets procedure Press F4 to recall the data set Observe that the recalled waveform is displayed and that HOLD appears on the screen From this point you can use cursors for analysis or you can print the recalled screen The test tool returns to signal acquisition if you press the HOLD RUN key using the setting of the recalled data set Go back to the save print mode 6 3 Fluke 125
66. itable measuring spots are the screw terminals that are present in a system s junction boxes If preferred you can use the TP88 Back Probe Pins optional to probe these terminals at the wire entry point Commonly used wire colors are orange for and blue for Fluke 125 Users Manual DC Power Fieldbus Davies 1 Source Controller mae Control Room Factory Floor Profibus DP RS 485 Profibus DP Decentralized Periphery is an open Fieldbus standard used in Process Industry and Factory Automation It is optimized for speed efficiency and low connection costs and allows for multiple data senders and receivers to be connected to an ongoing cable Data traffic is continuous To check this bustype ScopeMeter Channel A and B are on and DC coupled The recommended probes are STL120 1 1 Probe tip A must be attached to the A positive usually green wire Probe tip B to the B negative usually red wire and the COM input or Black Ground Lead to Data Ground DGND Cabling and some connector examples are shown in the figures A 8 below Please note that cables often incorporate termination resistors at the end of the network chain N VP 6 Station 1 Station 2 CHANNELA 3902 RXDITXD P 3 O O 3 RxD TxD P 0 1 DGND 5 O 5 DGND VP 6 O O 6 vP 2200 Data line RxD TxD N 8 O O 8 RxD TxD N 6 Data1ine 4 Shielding N ovd d E rand CHANNEL B 390 0 DGND
67. le 2 Disturbance less than 10 of full scale E 3 V m E 10 V m Frequency range 10 kHz to 27 MHz 20 mV div to 50 mV div 100 mV div to 200 mV div Frequency range 27 MHz to 1 GHz 10 mV div to 20 mV div no visible disturbance Test tool ranges not specified in tables 1 and 2 may have a disturbance of more than 10 of full scale 10 13 Fluke 125 Users Manual Multimeter disturbance VDC VAC and VAC DC with STL120 and short ground lead e OHM CONT DIODE and CAP with STL120 and black test lead to COM Table 3 Disturbance less than 1 of full scale E 3 V m E 10 V m Frequency range 10 kHz to 27 MHz VDC VAC VAC DC 500 mV to 1250V 500 mV to 1250V OHM CONT DIODE 50 Q to 30 MQ 50 Q to 30 MQ CAP 50 nF to 500 uF 50 nF to 500 uF Frequency range 27 MHz to 1 GHz VDC VAC VAC DC 500 mV to 1250V 500 mV to 1250V OHM CONT DIODE 50 O to 30 MO 50 Q to 30 MO CAP 50 nF to 500 uF 50 nF to 500 uF Disturbance less than 1 of full scale E 3 V m E 1 V m Frequency range 1 4 GHz to 2 GHz VDC VAC VAC DC 500 mV to 1250V OHM CONT DIODE 50 Q to 30 MQ CAP 50 nF to 500 uF Frequency range 2 GHz to 2 7 GHz VDC VAC VAC DC 500 mV to 1250V OHM CONT DIODE 50 Q to 30 MQ CAP 50 nF to 500 uF Test tool ranges not specified in table 3 may have a disturbance of more than 10 of full scale 10 14 Appendices Appendix Title Page Bushealth Measurements cccccccccessseecccceeeeeesesecceccceessaeees
68. line Probe tip B to the line and the COM input or Black Ground Lead to DGND Data Ground Signal Ground Fluke 125 Users Manual CONTROLLER DEVICE 1 DEVICE 2 MOD RE 495 Connect to Ch A gt Connect to Ch B Connect to COM Overview of Female DB connectors RS TO O14 20 O15 30 O16 40 O17 50 O18 60 O19 70 O20 80 DB 15 female 90 100 110 120 130 di DB 25 female DB 9 female A 12 1 10 1 Probe 2 25 A AC coupling 0 4 AC120 Alligator Clips 8 9 Accessories 8 7 AC Coupling 2 16 Acquiring the Waveform 2 14 Acquisition Modes 10 3 Adjusting Scope Probes 8 5 Advanced Meter Functions 10 8 Advanced Scope Functions 10 4 Alligator Clips 8 9 Altitude 10 11 Amperes Measurement 10 6 Amplitude 2 10 Auto Set 2 3 10 4 Auto Set Configuration 9 5 Auto Manual 2 10 Automatic Power Shutdown 9 4 Avoid Electrical Shock 1 5 Backlight 1 3 Banana Jack Inputs 1 5 Banana to BNC Adapter 8 9 Bandwidth 10 2 Battery Charger 8 8 Battery Disposing 8 4 Battery Indicator 1 1 2 2 Battery Life 9 4 Battery Pack 0 2 8 2 8 8 Index Battery Power 10 10 battery refresh 8 3 Battery Refresh Date 8 7 Battery Replacing 8 4 BB120 Adapters 8 9 Blue Function Keys 2 2 BP120MH Battery Pack 8 8 Bright Display 1 3 Bus test limits 4 4 bus type 4 2 BUSHEALTH 4 2 C C120 Ha
69. nnnennnnnnennnnvevennen 8 1 IntrodUctiOn cr et RR e t RR RR RR CREAR E RERUM e E Rua 8 1 Cleaning the Test T60l 5 2 01 Eti e tete c E Steal gae De eol a eset 8 1 otoririg the Test Tool 1 none D IRR Deine 8 1 Charging the Rechargeable Battery Pack emm 8 2 Keeping Batteries in Optimal Condition s m 8 3 Replacing and Disposing of the Rechargeable Battery Pack 8 4 Using and Adjusting 10 1 Scope Probes ssseeeem een 8 5 Calibration Information seessseeeeene emen mener ennemis 8 7 Parts and Accessories Contents continued SInUCAC 8 7 Standard A cessones ives rece itii ede dee ec Feet tai danser Arda deca leta 8 7 Optional ACCeSSOFIGS iicet rre E Aa aa ee inii ee fremmede 8 10 Tips and Troubleshooting e nanna Ta ana ea centu eoa eoo c al ouk a seder LER Hx a aA da LR NNEN KAMAT 9 1 IRTOA LICTIO M 9 1 Using the Tilt Stand nnne nennen tnn enne tnn nene ninth rete n nbn nes 9 1 Changing the Information Language ssssssssseseseseeeeeeeneren ener nnne 9 2 Setting the Grid Display 2 rrr rrr Ere KANAT rete RO EXER RR ASPIRE RESP REP eEE 9 2 Changing Date and TIME spisepinner rakaa nene teke D tcm RET enka daa ee 9 3 Saving Battery Life a tre ede rectae va bereter nd Ee saa deve eta kanta osan 9 4 Setting the Power Down Tim
70. o not use exposed metal BNC or banana plug connectors e Do not insert metal objects into connectors e Always use the Test Tool only in the manner specified Fluke 125 Users Manual A Max Input Voltages Input A and B directly 600 V CAT III Input A and B via BB120 300 V CAT III Input A and B via STL120 600 V CAT III A Max Floating Voltage From any terminal to ground 600 V CAT III Voltage ratings are given as working voltage They should be read as Vac rms 50 60 Hz for AC sine wave applications and as Vdc for DC applications Measurement Category III refers to distribution level and fixed installation circuits inside a building The terms Isolated or Electrically floating are used in this manual to indicate a measurement in which the Test Tool s Shielded Banana inputs or banana jack is connected to a voltage different from earth ground The isolated input connectors have no exposed metal and are fully insulated to protect against electrical shock 0 6 If Safety Features are Impaired Use of the Test Tool in a manner not specified may impair the protection provided by the equipment Before use inspect the test leads for mechanical damage and replace damaged test leads Whenever it is likely that safety has been impaired the Test Tool must be turned off and disconnected from the line power The m
71. ormal measurement Making Relative Measurements Zero Reference displays the present measurement result with respect to the defined value This feature is useful when you need to monitor the measured value in relation to a known good value O pis Open the A MEASUREMENTS menu o Em Activate the relative measurement ZERO Note In the OHM O measurement function the F1 ZERO ON OFF soft key enables you to turn relative measurements on and off Scope Meter Mode 2 Making Relative Measurements 0405 181 fu AUTO LL EI beeen ee Elbe 12i bee Vis As TUA usa Xr Trig Al A B gt TRIGGERS CURSOR move tor SLOPE OH Figure 2 9 Making a Relative Measurement The relative measurement now becomes the main reading while the former main measurement has moved to the smaller secondary reading position See Figure 2 9 Do step1 and step 2 again to de activate the relative measurement 2 9 Fluke 125 Users Manual Selecting Auto Manual Ranges Press D to automatically adjust the position range time base and triggering Connect and View This assures a stable display on nearly all waveforms The bottom line shows the range the time base for both inputs and the trigger information AUTO appears at the bottom of the reading area Press EN a second time to select the manual range MANUAL appears at the bottom of the reading area 2 10 Changing the Graphic Representation on the
72. pen the INPUT menu o Gm t O Highlight PROBE SELECT Scope Meter Mode 2 Using the 10 1 Probe for High Frequency Measurements o m Ct Fa Accept the probe type The menu will be closed Open the PROBE on A menu Highlight 10 1 V Observe that the 10 times attenuation of the Probe is compensated in the voltage readout Probe Adjustment The Probe of model VP40 such as supplied with the Test Tool is always adapted correctly to its inputs high frequency adjustment is not necessary Other 10 1 Probes however must be adjusted for optimal High Frequency performance How to adjust these Probes is explained in Chapter 8 under Using and Adjusting 10 1 Scope Probes 2 25 Fluke 125 Users Manual 2 26 Introduction In the Harmonics function the test tool measures harmonics to the 33 for 400 Hz up to 25 Related data such as DC components THD Total Harmonic Distortion and K factor are measured Harmonics are periodic distortions of voltage current or power sinewaves A waveform can be considered as a combination of various sinewaves with different frequencies and magnitudes The contribution of each of these components to the full signal is measured Harmonics power distribution systems are often caused by non linear loads such as switched mode DC power supplies in computers TV s and adjustable speed motor drives Harmonics can cause transformers conductors and motors to overheat
73. perty and corresponding data See table 4 2 for a description of the signal properties for the various bus types Data n Rise B status indicator for example e See table 4 3 for a description of the indicators Fall erc eds Jitter OL indicates that the signal is out of the GR a XE Trig Ar r1 measurement range overload LIMITS Baud overshoot E GS D used low LOW and high HIGH test limits LIMIT for example 18 5 31 6V Figure 4 2 Field Bus Test Screen Example C most recent measurement value for example 3 5 O 0 P O N indicates that no reading is available LIMIT the indicates that one or more of the limits are not set to the default value N A indicates that limit does Not Apply to this Table 4 2 Tested Signal Properties bus type ET Property Explanation The F1 F4 function key labels are explained in Table 4 4 4 4 ee Explanation Bias voltage CAN recessive high to low level voltage CAN Rec H CAN recessive high level voltage CAN Rec L CAN recessive low level voltage V un High level voltage Peak to peak voltage High level to bias level voltage Bias level to low level voltage CAN dominant high to low level voltage CAN dominant high level voltage CAN dominant low level voltage Low level voltage V Level pk pk Peak to peak voltage V level high High level voltage V level low Low level voltage Data Baud Baud rate Rise Rise time as of bit
74. rd Case 8 10 C125 Compact Soft Case 8 10 Capacitance 9 6 10 7 Case 8 10 Cat lll 0 6 Fluke 125 Users Manual Caution 0 4 Changing the Amplitude 2 10 Changing the Time Base 2 10 Charge Time 10 10 Charger 8 8 Charging 8 2 Cleaning 8 1 Common 1 5 Communication Errors 9 7 Compact Soft Case 8 10 Computer 3 Connect and View function 2 3 Connecting a Computer 4 Connecting the Inputs 2 4 Continuity 9 6 10 7 Contrast 1 3 Crest Factor 10 6 Current Measurement 10 6 Cursors 2 22 10 8 D Data set 6 1 Dataset name 6 2 Date 9 3 DC Voltage VDC 10 4 DC Coupling 2 16 Decibel dB 10 6 2 Declaration of Conformity 0 1 Deleting Data Sets 6 3 Dimmed Display 1 3 Diode 9 6 10 7 Display 10 10 Disposing Batteries 8 4 Duty Cycle 10 5 E Earth Ground 0 6 Electrical Shock 0 5 Electrically Floating 0 6 Electromagnetic Compatibility 10 11 Emission 10 11 Envelope 10 4 Envelope of a Waveform 2 13 Environmental 10 11 Environmental Data 10 1 Eye pattern 4 7 F Fast Smooth 10 8 Field Bus Measurements 10 9 Fieldbus 4 1 Fixed Decimal Point 10 8 FlukeView 3 8 10 FREE RUN 2 19 Freeze Recording 2 15 Freezing the Screen 2 8 Frequency Hz 10 5 Frequency Response 10 2 Function Keys 2 2 sa Glitch Detection 10 3 glitches 10 4 Gray Text 1 4 2 19 Grey INPUT B 1 5 Grid Display 9 2 ground 0 6 Ground Test Lead 8
75. re using the test tool Safety Precautions Specific warning and caution statements where they apply will be found throughout the manual A Caution identifies conditions and actions that may damage the test tool A Warning identifies conditions and actions that pose hazard s to the user Symbols used on the test tool and in this manual are explained in the next table A Warning To avoid electrical shock use only Fluke power supply Model PM8907 Power Adapter Battery Charger Disposal information Earth Recycling information Conformite Europeenne al Double Insulation Conforms to Protection Class G applicable Canadian and US standards Do no dispose of this product as unsorted municipal waste Go to Fluke s website for recycling information Warning Should this test tool be used with AC coupling selected or manual operation of amplitude or time base ranges the measuring results displayed on the screen may not be representative of the total signal This can result in the presence of dangerous voltages of more than 42V peak 30V rms not being detected To guarantee user safety all signals should first be measured with DC coupling selected and in fully automatic mode This ensures that the full signal content is measured AN Warning 0 To avoid electrical shock or fire e Use only the power supply Model PM8907 Battery Charger Power Adapter e Before use check that the selected indicated volt
76. ries Use of Probes refer to page 0 2 and 0 3 of this Manual for an overview of accessories as suplied with Fluke 125 For most measurements the Shielded Test Leads STL120 1 1 are used To hook up the ScopeMeter s COM terminal to a Bus System you can use the Black Test Lead In noisy environments however it is advised to use the shorter ground lead with alligator clip supplied with STL120 instead of the Black Test Lead To hook up to bus line nodes you can use the Alligator Clips or Hook Clips that fit on to the STL120 tip TP88 Back Probe Pins optional can be used to probe screw terminals at the wire entry point Alligator Clips Hook Clips and the optional Back Probe Pins also fit on the tip of the VPS40 Probe 10 1 that is used to test some of the Fieldbus types VPS40 is used on bus systems that are sensitive to the capacitive load of A 2 STL120 225 pF against 15 5 pF for VPS40 When using a 10 1 probe other than VPS40 it must be adjusted for a good pulse response A poorly calibrated probe can introduce measurement errors or the measurement may not be possible How to adjust is explained in chapter 2 The Banana to BNC Adapter BB120 may be used when testing systems with coaxial connection cables If the system requires so you must add a coaxial 50 or 75 Q termination at the BB120 As an alternative you may connect the VPS40 10 1 probe across a terminator in the system under test You can use the optional BHT190 Bush
77. rigger Level continuously Observe the trigger icon J on the second time division line indicates the trigger level Trigger on either positive Slope or negative Slope of the chosen waveform 2 17 Fluke 125 Users Manual A 1 2 4 pr inis Selecting the Trigger Parameters To trigger on the input A waveform with automatic screen 0006ue EU MANUAL A gaia QUEE update and to configure the auto range triggering for waveforms down to 1 Hz do the following O Km Open the applications menu O Open the TRIGGER submenu UPDATE AUTO m FREE RUN RANGE OOH TRIG M gt 15Hz i i i O SINGLE O gt 1Hz Az 2 m 90us lt Trig al O VIDEO on A O ROLL lt gt Blind CURSOR A B move gt zoue Erga oH BACK smoorn f Y ENTER Figure 2 15 Screen with all Trigger Information GO Highlight INPUT A EH Select INPUT A GO Highlight FREE RUN EH Select FREE RUN GO Highlight gt 1 Hz O ooo o 2 18 Accept all trigger selections and return to normal measurement zm Note Setting the automatic triggering to gt 1Hz will slow down the auto range TRIG A appears in gray text on bottom of the screen when no trigger is found Note Gray text in a menu or button bar indicates that the function is disabled or the status is not valid FREE RUN the test tool automatically updates the trace even if there are no triggers ON TRIG the screen is updated only when valid trigg
78. s control and industrial automation The test tool can indicate the status of the following aspects of the OSI model Physical Layer Voltage levels bias high level low level Bit width baud rate Rise and fall time Distortion Moreover the test tool can show the bus signal waveform in the Eye pattern mode see page 4 7 The test tool operates in full automatic ranging and triggering mode Test limits are preset but can be changed see page 4 8 Chapter 4 Field Bus Measurements For supported bus types and protocols see Chapter 10 section Fieldbus Measurements For extended information on Fieldbuses and fieldbus measurement please consult Appendix A of this manual Note To check a suspected cable you can perform resistance measurements and capacitance measurements using the Scope Meter mode 4 1 Fluke 125 Users Manual Performing Fieldbus Measurements GZ Select the bus type To perform fieldbus measurements do the following 9 b Select User 1 or User 2 if you O Open the application mode menu want to create a customized set menu i FE O of limits to test other non standard bus systems See COPIE TER page 4 8 for setting the limits O BUSHEALTH Default settings are ControlNet for EL TRENOPLOT User and Foundation Fieldbus H1 for User2 TRIGGER SMOOTH ENTER Fa Accept your choice o OO lie ae a EUSHEALTH For bus types followed by 3 dots N a new menu will open Fa Open the bus
79. selection menu p SELECT FIELDBUS Use Q b to select the GE O Modbus ORS 232 required item and press O CAN O Foundation 0 RS 485 O Interbus S O Profibus CUser 1 You will see a screen like fig 4 2 O ControlHet O Ethernet OUser 2 SZA VHza Select the appropriate input A and ENTER input B test leads or probe type O Connect the inputs as indicated in figure 4 1 Use the test tool inputs as shown in table 4 1 4 2 Field Bus Measurements 4 Performing Fieldbus Measurements Table 4 1 Bus Measurement Inputs Subtype ee Advised A Probe om px STL120 inerbusS RS422 x VP40 Conon __ x lossin Modbus RS 232 x STL120 Figure 4 1 Fieldbus Measurement Input Connections RS 485 x STL120 Note Foundation H1 x fieldbus Use E sa Adapter ie Profibus DP RS 485 STL120 connect a cable for bus measurements BAT GERE Gra You can use the optional BHT190 Bushealth Test Ethernet Coax BB120 adapter to connect the probe tip in an easy way VP40 to busses that use a DB9 RJ 45 or a M12 I m STL120 Rs485 Tx x sm2 Fluke 125 Users Manual Reading the Screen BUS HS e3e EIA 232 The bus test screen see the example in figure 4 2 shows Activity O O LIMIT the status of the various signal properties LOW HIGH vin 70 w ULow Information is represented in four columns A signal property that is being tested for example VHigh Rows 1 to 6 show each signal pro
80. sitioning the Waveform 2 11 Power Adapter 8 8 9 4 Power Down Timer 9 4 Power Measurement 10 6 Powering the Test Tool 1 1 Print Cable 8 10 Printing 1 Printing Errors 9 7 Probe 8 5 8 8 10 2 Fluke 125 Users Manual Probe 10 1 2 25 Probe Adjustment 2 25 Probe Attenuation 2 25 Probe Settings 1 6 Pulse Width 10 5 R Reading Area 2 2 2 4 Reading the Screen 2 2 Recalibrating 8 7 Recalling Data Sets 6 3 Record a Waveform 2 13 Recording Slow Signals 2 15 recycling information 0 4 Red INPUT A 1 5 Refreshing the Batteries 8 7 Relative Measurements 2 9 Renaming Data Sets 6 3 Replaceable Parts 8 7 Replacing Batteries 8 4 Resetting the Test Tool 1 2 Reversing the Polarity 2 16 Rise Time 10 2 Rise Time Measurements 2 24 RMS Voltages 10 4 Roll Mode Function 2 15 4 RPM 10 5 RS 232 Adapter Cable 1 8 10 RS 232 Communication Errors 9 7 RS 232 USB Adapter Cable 3 S Safety 10 11 Safety Characteristics 10 1 Safety Precautions 0 4 Safety Requirements 0 1 Sampling Rate 10 3 Saving Data Sets 6 1 SCC 120 3 8 10 Scope Modes 10 3 Scope Probes 8 8 Scope Meter Mode 2 1 Sensitivity 10 2 Serial Printer 2 Service Manual 8 7 Shielded Test Leads 8 8 Shock 10 11 Single Shot 2 14 Slope 2 17 10 3 Slow Signals 2 15 Smooth 2 12 10 4 Software 8 10 Software Version 8 7 Specifications 10 1 Stable Reading 2 8 Stand 9 1 STL120 Test Leads 8 8
81. st recent eye pattern trace as a new Ubias MISTE 3160 100 dataset By recalling this dataset you can do a bus test Uhigh Bias 154 4900 100 according to your own pre defined test limits Ubias Low 15 40 100 Rate 5 8us Ri us 100 Refer to chapter 6 Saving and Recalling Datasets Rise HA Hn 100 Fall HA HA 100 Jitter HA 04 1005 Amplitude HA 3530 x 100 DEFAULTS H n MTT HIGH ENTER Figure 4 5 Setup Limits Menu Screen Fluke 125 Users Manual 4 10 Chapter 5 Plotting Measurements over Time TrendPlot Introduction The TrendPlot function plots a graph derived from the MAIN large readings in the SCOPE METER mode or in the HARMONICS mode as a function of time The secondary small reading shows e the average AVG reading and the date and time or e the minimum MIN or the maximum MAX reading since the TrendPlot start and the date and time of the most recent change Starting Stopping a TrendPlot To start a TrendPlot do the following O E Open the application mode menu E SCOPEMETER O HARMONICS O BUSHEALTH IBITREHDPLOT TRIGGER SMOOTH ENTER DO Highlight TRENDPLOT 5 1 Fluke 125 Users Manual Fa Start the TrendPlot You will see a screen like figure 5 1 You can restart a TrendPlot by pressing the F2 RESTART key K Stop the TrendPlot 1778 17793 MIN 1778mu MIN 1771 mus 02 28 11 16 05 02008 11 16 04
82. sured as well as far as V Levels are concerned Tx Connect to Ch A CONTROLLER Rx Connect to Ch A DEVICE UNDER Signal Ground to COM CONTROL MOD RS 232 Modbus IEA 485 RS 485 Is in use in Process Industry Building and Factory Automation Modbus System layout is shown in the figure below Continuous Data traffic is not ensured To check this type of bus ScopeMeter Channel A and B are on and DC coupled The recommended probes are STL120 1 1 Probe tip A must be attached to the positive wire Probe tip B to the negative wire and the COM input or Black Ground Lead to Signal Ground GND DEVICE 2 CONTROLLER MOD RS 485 DEVICE 1 Connect to Ch A Connect to Ch B Connect to COM Foundation Fieldbus H1 31 25 kBits s Is used to control field equipment such as sensors actuators valves and I O devices via a two wire connection The system allows two way communication between controller and the devices Data traffic is continuous The wires are marked and and carry a DC supply of about 24 Vdc with superimposed data of about 800 mVpp The figure below shows the bus structure To check Foundation Fieldbus ScopeMeter Channel A is on and alternately AC coupled for data or DC coupled to test 24 Vdc The recommended probe is STL120 1 1 The probe tip must be connected to the positive wire the COM input or Black Ground Lead to the negative wire Su
83. te Pe be cu Edu Ue dese ce sandisk eee sis A 3 CAN Bus DeviceNetLt 2 nervi maassa ten ea ree vv Vaa s Eno re E Fou vvv vue lee guo Py To uoa A 4 INTEP DUS 2S scio etr re EE orig ea Tout A 5 Co trolNet RA X A 5 Modbus IEA 232 RS 292 an Dee c tA Liao Geckoes A 6 Modbus IEA 485 RS 485 rrvrvrvrvrvrerererererererererererereverevereverevevevevevereverrerererererererererene A 7 Foundation Fieldbus H1 31 25 KBits S rroranrrrrervrrrnrnnrrorervrrrnrnnnrerernnvrnvenersrnrnnvrnnene A 7 Profibus DP RS 485 5 nonien etc ente vaa de PAPE OE Edo qe ce cde de DOE Don vk cte cpu A 8 Profibus PA 31 25 kBits s sssssesssssseseenen annakaan nnnm a naan nnne A 9 Ethernet Coax 10Base2 rrrnrnnnnnnannnnnannnnnnrnnnnenernnsnnvnnsnenernnsnnnunsnerennvrunsnsnernnsnnnnnsser A 9 Ethernet Twisted pair 10BaseT sssssssseeee en eemeen ne A 10 RS9 232 BUS 2 x re beret os aia ore IM ee ee A 11 RS 485 BUS unARnSnLesndsunneh edi AWhliunaA e ME A 11 Overview of Female DB CONNECHOSS cccccecsseececeeeceaeeaeeeeeeeeseaueaeeeeeeeseaneeseeeeees A 12 vi Declaration of Conformity for Fluke 125 ScopeMeter test tool Manufacturer Fluke Industrial B V Lelyweg 14 7602 EA Almelo The Netherlands Statement of Conformity Based on test results using appropriate standards the product is in conformity with Electromagnetic Compatibility Directive 2004 108 EC Low Voltage Directive 2006 95 EC
84. tensive handshake protocol with separate handshake lines hardware handshake later software handshake allowed data exchange via only 2 lines plus ground Data rates may be low depending on the application To check this bustype ScopeMeter Channel A is on and DC coupled The recommended probe is STL120 1 1 The probe tip must be connected to the Tx Transmit or Rx Receive wire the COM input or Black Ground Lead to the Signal Ground In case there are handshake lines they each can be checked individually because all use the same voltage levels The figure below shows a Female DB 9 connector wired for hardware handshake Lines used for software handshake are indicated with black dots Cartier Detect Og Data Set Ready o Request to Send Clear to Send Data Terminal OF Ready 70 Ring Indicator D ground e Og 13 Nims DB 9 female wired for RS 232 Rx Data Tx Data s EER RS 485 Bus The RS 485 definition specifies differential balanced data lines that are referenced to a ground level Because of this noise immunity is better than for RS 232 The impedance between the lines is 120 Q RS 485 allows for multiple transmitters and receivers to be connected to the same bus Data transmission is adressed to a dedicated receiver Data traffic is not continuous To check this bustype ScopeMeter Channel A and B are on and DC coupled The recommended probes are STL120 1 1 Probe tip A must be attached to the
85. test tool measurement functions for example a 10 1 voltage probe a 1mV C Temperature probe or a 10 mV A current clamp To adapt the test tool readout to the used probe do the following D Maz A The Input A or Input B in MEASUREMENTS menu and a F1 F4 button bar pops up B KN Open the INPUT menu OO Highlight SELECT Open the PROBE on A B menu DER Highlight the required probe type 60 0 Q K Accept the probe type The menu will be closed Close the INPUT menu 9 1 6 Introduction The Scope Meter mode offers you e a dual input 40 MHz digital oscilloscope e two 5 000 counts true RMS digital multimeters This Chapter provides a step by step introduction to the Scope and Meter measurements The introduction does not cover all of the capabilities of the test tool but gives basic examples to show how to use the menus perform basic operations Chapter 2 Scope Meter Mode Selecting the Scope Meter Mode To select the Scope Meter mode do the following Eg Open the application mode menu E COPE METER O HARMOHICS O BUSHEALTH TREHDPLOT TRIGGER SMOOTH If ENTER GE Highlight SCOPE METER o EN Enter the SCOPE METER mode 2 1 Fluke 125 Users Manual Reading the Screen The screen is divided into three areas Reading area Waveform area and Menu area Refer to Figure 2 1 during the following Reading area A Displays the num
86. ts contact your nearest service center Fluke 125 Users Manual Standard Accessories cont Ni MH Battery Pack Power Adapter Battery Charger available models Universal Europe 230V 50Hz North America 120V 60Hz United Kingdom 240V 50Hz Japan 100V 60Hz Australia 240V 50Hz Universal 115V 230V UL listing applies to PM8907 808 with UL listed line plug adapter for North America The 230 V rating of the PM8907 808 is not for use in North America For other countries a line plug adapter complying with the applicable National Requirements must be used Set of two Shielded Test Leads Red and Gray designed for use only with the Fluke ScopeMeter 120 series test tool Set contains the following replaceable part Ground Lead with Alligator Clip Black One 10 1 Scope Probe VP40 W AC Current Clamp 40 A 400 A 8 8 Ordering Code BP120MH PM8907 801 PM8907 813 PM8907 804 PM8907 806 PM8907 807 PM8907 808 STL120 5322 320 11354 VPS40 is VP40 probe including hook clip and ground lead i400s Standard Accessories cont Test Lead for Grounding Black 4 Set of three Alligator Clips Red Gray and Black Banana to BNC Adapter Black W Note manuals can be downloaded from Fluke s website www fluke com Maintaining the Test Tool Parts and Accessories Ordering Code TL75 red black lead AC120 BB120 set of two 8 8 9 Fluke 125 Users Manual Optional Accessories
87. u Open the INPUT menu PROBE COUPLING WAVEFORM W HORMAL O INVERT SELECT WDC AC ADJUST OAC BACK zero MUCH ENTER Jump to the WAVEFORM field Highlight INVERT Accept inverted waveform display For example a negative going waveform is displayed as positive going providing a more meaningful viewing perspective in some cases An inverted display is identified by trace identifier A on left of the waveform area Triggering on a Waveform Triggering tells the test tool when to begin displaying the waveform You can select which input signal should be used on which edge this should occur and you can define the condition for a new update of the waveform You can setup the test tool to trigger on video signals The bottom line of the waveform area identifies the trigger parameters being used Trigger icons on the screen indicate the trigger level and slope See Figure 2 15 Note For 3 phase power measurements the trigger settings are fixed Scope Meter Mode 2 Triggering on a Waveform Setting Trigger Level and Slope For quick operation use the AUTO SET key to automatically trigger on nearly all signals v E3 Perform an AUTO SET To optimize trigger level and slope manually do the following o a o EN OO W Press until you have left any open menu A En TRIGGERS CURSOR MOVE 7 SLOPE OH Enable the arrow keys for Trigger Level and Slope adjustment Adjust the T
88. w LF AUTO O Open the User Options menu DO Highlight AUTOSET ADJUST HD Open the AUTOSET ADJUST submenu AUTOSET ADJUST SEARCH for COUPLING ME Ab NSET to DC O SIGNAL gt 1Hz O UNCHANGED Tips and Troubleshooting Changing the Auto Set Options GO Highlight SIGNAL gt 1 Hz E gt Accept the new Auto Set configuration To configure Auto Set to maintain the actual input coupling AC or DC continue from step 3 as follows H Select COUPLING GO Highlight UNCHANGED Fa Accept the new Auto Set configuration 9 5 Fluke 125 User Manual Using Proper Grounding Incorrect grounding can cause various problems This Section gives you guidelines for proper grounding 9 6 Use the short ground lead s when measuring DC or AC signals on input A and input B See Figure 9 2 A Warning To avoid electrical shock or fire use only one COM common connection X or ensure that all connections to COM y are at the same potential Use the unshielded black ground lead to COM common for Ohm 2 Continuity Diode and Capacitance measurements See Figure 9 3 Using the unshielded ground lead is also possible for single or dual input measurements for waveforms with a frequency up to 1 MHz This may add some hum or noise to the waveform display due to the unshielded ground lead Figure 9 2 Grounding with Short Ground Lead NINA Figure 9 3 Grounding with Uns
89. width Fai Falltime as of bit width Distortion Jitter Jitter distortion Distortion Overshoot Signal distortion over and undershoot Distortion Amplitude Amplitude distortion AS i bus CAN Rec H L V Level High Bias V Level Bias Low CAN DOM H L Table 4 3 Bus Test Screen Indicators Field Bus Measurements 4 LL Readingthe Screen T the Screen OO00 Activity 000 bus activity indicators 00 Bus activity indicator 1 O filled voltage measured O open no voltage measured 06d Bus activity indicators 2 and 3 O O both open no activity blinking activity Test OK Measurement results are within 80 of allowable range see figure 4 3 Busy the test tool is measuring processing data Warning Measurement results are between 80 and 100 of allowable range see figure O No reading available 4 3 Test failed Measurement results are out of allowable range see figure 4 3 4 5 Fluke 125 Users Manual Figure 4 3 shows the bust health indicator boundaries Example the high level voltage of a bus must be between 3 0 V MIN and 15 0 V MAX Depending on the measurement result the displayed indicator will be If the result is between 4 2 and 13 8V 10 of 12V 12V o If the result is between 3 V and 4 2 V or between 13 8 V and 15 V e If the result is 3 V or gt 15 V MIN MAX SA OQ 0 6 Figure 4 3 Bus Health Indicator Boundaries 4 6 Table 4 4 F1

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