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1. Measured value greater than mn R gt BOG 600 MQ at 500V or 300 MQ at 100V 250 V Measured value below Activation of user alarm Resistance exceeding the measurement range lead cut or badly connected nm kn IH set LIMIT Short circuit on line possibly N PE bridges Wrong connection of instrument test leads Measurement not possible Charge the battery if this is not possible the charging fuse is perhaps defective see Replacing the fuses Measurement not possible Battery too low 5 6 RCD testing The RCD FI measurement function enables the correct working order of RCD s to be checked Nominal fault currents of 10 30 100 300 500 mA and VAR position of 6 mA to 1000 mA can be selected The fault voltage U at the trip current I and the trip duration t can be measured Additionally the test currents 2x lay 5x I and 150 250 mA are also available When using the earth probe the earth resistance R can also be measured Without the earth probe the loop resistance R and the short circuit current Ik can also be measured For all test currents measurement of the fault voltage loop resistance short circuit current and earth resistance is possible at the same time as an RCD test without tripping 30 mA RCD s When measuring tripping time for safety reasons the current is interrupted after 500 ms if the RCD doesn t
2. will be indicated at the same time as the symbol Ly lats Positive phase order L L L phase order or co w ort Negative phase order L L L phase order If a single voltage is missing or if there is no phase shift between the voltages the S27 symbol will start to flash 3 Press the MORE button to display the voltages U U and the frequency If you must save or print out the result press first the TEST button the indication is now frozen and you can either save it with the MEM MR button or print it out with the PRINT button NOTE In the event of a break in the L conductor half the value of the voltage U will be indicated for U and U 5 10 3 Error indications Comments Display Meaning Comments Impossible to determine L1 L2 L3 are all live lt 20 V the phase order no phase shift at least two phases are missing 5 11 Measurement lead compensation This function is used to save the resistances of auxiliary accessories test probes croc clips leads etc before measuring These resistance values are automatically deducted from measurements during all resistance measurements R Z R Values up to 5 Q can be compensated for The resistance of the original measurement cables supplied is compensated for during manufacturing and applies even when R 0 000 is displayed 5 11 1 Technical specification Measurement range Resolution A
3. test to obtain the tripping time of the RCD E Inthe RAMP function the fault current generated is increased in seventeen steps from 50 to 103 Of Each step current level is held constant for 200 ms The exact current l and the tripping duration t for the step that causes the RCD to trip are both measured and displayed E Inthe PULSE function the nominal fault current I set is applied constantly for a maximum of 500 ms During a selective RCD test S twice the nominal fault current 2x In is applied If the RCD trips the tripping duration is measured and displayed t If this duration is between 200 ms and 500 ms the result flashes to indicate that this time is above the standards currently in effect No matter which test is chosen the phase 0 180 and the form sine DC pulse of the test current can be selected If the t symbol is brought up on the LCD screen only the initial test at lt 40 I is made fault voltage loop resistance without tripping the RCD These tests loop earth are very useful for quickly analysing an installation but are of lower accuracy than with the specific functions Check against N PE wire exchange If a RCD does not trip within the test period the instrument tests the same RCD again with inversed N PE connections automatically If the RCD trips then there might be a failure in the wiring of the installation The instrument answers with an error message
4. 4 Press the MORE button again so that prt is displayed Use the following buttons SELECT To make the print format A4 A6 or the type of printout prt OR doc flash CHANGE To choose the A4 or A6 print format and the Protocol prt or Document doc type of printout Note that with the A6 format only the Documents type printout is available 5 To quit SET UP and store the changes made press MORE until you have worked through all of SET UP or press TEST If you turn the selector switch the changed settings will not be saved after the instrument is switched off Printing can be done in 10 different languages French English German Italian Spanish Swedish Norwegian Lithuanian Dutch and Czech The optional PC software needs to be used in order to change the default language English 6 3 2 Immediate printing of unsaved measurements doc This function is used to print out the displayed value immediately in the doc form measurement with the date and time etc 1 Connect the instrument to the printer with the appropriate cable see chapter 6 1 Do not switch on the serial printer before having first of all switched on the instrument Otherwise 2 signs are printed indefinitely Perform the required measurement When the measurement is displayed press the PRINT button Printing begins If the printing is being done on a parallel A4
5. Display Meaning Comments gt L n nl v Measurement range exceeded Voltage above 500 V L PE m gt yo Hz Measurement not possible Frequency above 450 Hz frequency outside of the nominal range or DC Frequency less than 15 3 Hz or DC Measurement not possible Voltage lt 0 1 V no voltage present Charge batteries if the indication appears several times gt After sales service Measurement not possible Battery discharged 5 4 Measuring current and leakage current with a clamp This function is used to measure very low currents of around a few mA fault currents leakage currents etc up to currents of around 300 A AC Using a clamp gives the best safety possible during measurement 5 4 1 Description of the function A current clamp with a 1000 1 transformation ratio is connected via an operational amplifier input OP The resulting power less flow of current considerably broadens the clamp s measurement range enabling even traditional high current measurement clamps to measure down in the mA region 5 4 2 Technical specifications Measurement range Resolution Bandwidth Accuracy 0 004 300 A 1mA 1A 45 450 Hz 2 of R 1 ct 0 003 200A 1mA 1A 45 450 Hz 2 of R 1 ct in relation to current clamps C 103 and MN 21 NOTE Ifthe measured values fluctuate greatly this means that the network voltage is disturbed voltage peaks interruptions to supply etc or that
6. must be a test with tripping Only the measurement points connected in parallel can be tested without tripping When testing three phase protective RCD s each phase L L L should be checked in relation to the protective conductor PE to ensure that all of the phases are correctly connected to the RCD Fluctuations in the measured fault voltage values If substantial differences between values are noted when making consecutive measurements this indicates that there are strong fluctuations in the network voltage In this case you can make a measurement with the earth probe as described below Measurements with the earth probe applicable in TT supply systems In this case the fault voltage is no longer derived from the Z x calculation but is calculated from R x ln Network interference has a much greater influence on Z than on R since Z is the loop going through the transformer so the value of U is more precise if a probe is used For measurements with a probe as well as the connections shown on the diagram connect the probe lead to the S terminal on the instrument The 3 symbol comes up The other end of the lead should be connected to the earth with an earth testing rod Make sure to position the probe outside of any region carrying a potential at a distance of approximately 20 min relation to active earthing points see connection diagram Make the measurement read off the earth value mea
7. 2951 72 CHAUVIN SAK RNOUX 09 2001 Code 688 732 B00 Ed 2 Deutschland CA GmbH StraBburger Str 34 77694 Kehl Rhein Tel 07851 99 26 0 Fax 07851 99 26 60 Espana CA Iberica C Roger de Flor N 293 08025 Barcelona Tel 93 459 08 11 Fax 93 459 14 43 Italia AMRA MTI via Sant Ambrogio 23 25 20050 Bareggia Di Macherio MI Tel 039 245 75 45 Fax 039 481 561 sterreich CA Ges m b H Slamastrasse 29 3 1230 Wien Tel 1 61 61 9 61 Fax 1 61 61 9 61 61 Schweiz CA AG Einsiedlerstrasse 535 8810 Horgen Tel 01 727 75 55 Fax 01 727 75 56 UK CA UK Ltd Waldeck House Waldeck road Maidenhead SL6 8BR Tel 01628 788 888 Fax 01628 628 099 USA CA Inc 99 Chauncy Street Boston MA 02111 Tel 617 451 0227 617 423 2952 USA CA Inc 15 Faraday Drive Dover NH 03820 Tel 603 749 6434 Fax 603 742 2346 190 rue Championnet 75876 PARIS Cedex 18 FRANCE Tel 33 01 44 85 44 85 Fax 33 01 46 27 73 89 http www chauvin arnoux com
8. 3 V AC DC Parasite voltage on input Measurement range exceeded Resistance above 1999 Q Error Restart Lead compensation exceeds the limit perhaps If this problem persists a factory inspection is necessary Measurement interrupted Error noted Measurement impossible Charge battery Battery discharged see Charging the battery 5 10 Determining phase order This function is used to check the phase order on three phase networks with voltages of 20 V to 440 V and frequencies of 15 3 450 Hz The voltages L1 L2 or L2 L3 and L3 L1 and the frequency are also indicated The rotation can be also be checked between two conductors and the neutral 5 10 1 Description of the function The microprocessor carries out the measurement by evaluating the points at which the voltage passes through zero The voltages between all the conductors are measured and indicated as U U or U Determination of phase order according to EN 61557 7 Ed 97 according to DIN VDE 0413 Part 9 02 84 m Nominal voltage 20 440 V AC m Permissible overload U max 500 V rms m Frequency range 15 3 450 Hz m Max fault current lt 1mA 5 10 2 Performing a measurement 1 Connect the instrument using the cable with 3 separate leads as shown L1 opposite L2 L3 etry as N 2 Turn the switch to the PHASES position f all the voltages PE and a rotating magnetic field are present the voltage U
9. CONTINUITY TEST ADAPTER Optional UK market only 9 1 Description This optional adapter unit plugs into the C A 6115N using the standard three pin connector and is terminated at the other end with a 13 A mains plug A four position switch is mounted in the unit further down from the plug The switch positions are marked Off A L E B L N amp C N E The unit is designed for carrying out continuity tests on dead systems It offers 2 different methods of continuity testing depending on the measurement required Method 1 enables the measurement of R1 R2 by making a temporary connection between Live amp Earth at the dead distribution board Method 2 enables the individual values of R1 Live R2 Earth and R t0 be simply calculated by making a temporary connection between Live Earth amp Neutral at the dead distribution board 9 2 Procedure WARNING Make sure that the electrical network is NOT live before making a continuity test with the adapter unit E Method 1 To measure R1 R2 only 1 Implement a temporary Live Earth link at the distribution board 2 Plug the adapter unit into the outlet socket furthest away from the distribution board 3 Select position A L E on the adapter unit 4 Make a low Ohms measurement with the C A 6115N This is the value of Ri R2 5 Disconnect the temporary link at the distribution board after the test Result R1 R2 A N B Lead resistance can be deducted from A B amp C
10. Rotating selector switch used to select the required measurement function and to switch OFF the instrument Charge indicator LED comes on or flashes during automatic charging when the selector switch is on the OFF CHARGE position and the instrument is plugged into the mains Button used to start the test chosen using the selector switch The TEST is begun when this button is released except for INSULATION or CONTINUITY tests that start immediately This button also enables the operator to check for possible voltage presence or breaks in the protective conductor PE ground Button used to display additional information and values measured besides the main value and or to turn on the display backlight press for over 2 seconds Multi function button used to select the insulation test voltage 100V 250V or 500V for function selection during RCD testing without tripping AC positive phase Ar AC negative phase kf DC positive phase aa DC negative phase ku For setting limit values for choosing memory locations and for switching statuses from an indication of measurement results into active voltage measurements 6 Multi function button for selecting functions during RCD testing measurement of trip current with RAMP L measurement of tripping time in pulse mode test at selective test at 2 1 S 5 I 150 mA or 250 mA Also used for setting limit values choosing memory locations And switching statuses f
11. The ratio between Rsel to Zs could reach 1000 but the clamp current must be higher than 5 mA In function Zi L N the following measurements are possible Application TT TN or IT systems Connection Main measurement results 1 L N PE optionel Zi Ri 2 L L Phase to Phase PE optional Zi Ri In function Zs no trip L P the following measurements are possible Application TT TN systems Connection Main measurement results 1 L N PE Zs Rs If the network to be measured is fitted with RCD s the special Zs t function enables measurement behind 30 mA RCD s without risk of tripping them ALT system patented by CHAUVIN ARNOUX If there is a high level of disturbance on the installation brought about by a number of existing leakage currents it is possible to reduce further still the measurement current with the optional PC software for the C A 6115N If the measurement is unstable this could come from fluctuations in the network voltage Repeat the measurements several times to get a stable value or take the average of 5 measurements NOTE In this function L N and PE must be connected NOTE Unstable measurements caused by heavy disturbances in the mains supply can be reduced by making a long press on the TEST button available since Version 2 8 5 8 1 Description of the function The network voltage is first tested by the instrument On the L PE position of the
12. at the loop using a probe and a clamp connect the clamp and the PE measurement lead white of the cable with 3 leads as close as possible to the earth to be measured and proceed with lead compensation before starting the measurement 3 Press the TEST button 4 With the MORE button display the extra measurements short circuit current I reference voltage Uker loop resistance R_ or R and if using a probe and a clamp selective earth resistance R__ measurement current 1 and fault voltage U ore To start a new measurement press the TEST button again To come back to the display of network voltage U turn the selector switch or press CHANGE or SELECT Note For measurements on three phase systems the loop impedance must be measured between each phase conductor L L L the neutral conductor and the protective conductor PE NOTE This instrument can operate at voltages of 95 to 440 V According to the current regulations in force the calculation of short circuit current I and of earth connection voltage U must refer to the nominal voltage The instrument uses the setting chosen with the MORE CHANGE and SELECT buttons for calculations before starting the measurement These settings can be modified 1 New nominal voltage in Europe 230 400 V Delivery configuration 2 Old nominal voltage in Europe 220 380 V 3 Voltage actually measured shown with NOTE T
13. inhibit the automatic polarity inversion Simply leave your finger on the TEST button In this case the measurement is much quicker and gives out an audible signal of confirmation almost instantaneously 5 9 2 Technical specifications Resistance low impedance measurement as per EN 61557 4 Ed 97 DIN VDE 0413 part 4 7 77 Measurement range Resolution Accuracy 0 16 2 99 19 90 Q 1999 2 0 01 0 1 1 5 of R 4 cts Internal resistance Approx 20 Q Measurement time Approx 5 s in the case of automatic polarity inversion otherwise 1s Permissible inductance Max 5 H without damage Permissible parasite voltage in series lt 3 V AC DC measurement is not started beyond this value Nominal voltage 18 V DC Short circuit current gt 200 mA DC up to 10Q lt 250 mA DC Permissible overload U max 500 V AC Lead compensation up to 5 Q max R R R Indicated measured Ma 5 9 3 Evaluation of measurements The table below gives the maximum continuity values displayed taking into account the measurement error so as to remain within the tolerated limits see standards Theoretical resistances Maximum displayed resistances 0 2 Q 0 15 Q 0 4 Q 0 35 Q 0 6 Q 0 54 Q 0 8 Q 0 73 Q 1 02 0 92 Q 10 0 Q 9 47 Q 5 9 4 Performing a measurement 1 Connect the C A 6115N according to the suggested connection diagram with the cable with 3 separate leads Connect lead L white the lead L yellow Th
14. long lead of known resistance is not required the use of this latter is not always practical especially when some circuits are located on a different floor from the distribution board It also avoids the needs to subtract the resistance of a long lead from each measurement 10 CLEANING AND MAINTENANCE 10 1 Cleaning The C A 6115N does not require any specific care if it is used correctly To clean the instrument simply use a cloth lightly dampened with soapy water Do not use abrasive products under any circumstances as this risks damaging the instrument A WARNING Before carrying out any cleaning or maintenance work or replacing components or fuses disconnect the instrument from any voltage source 10 2 Charging the battery 1 Connect the C A 6115N to the mains supply 90 250 V AC 50 60 Hz via the cable with a mains plug 2 Turn the selector switch to the OFF CHARGE position Charging begins automatically within a few seconds the indicator goes red NOTE If the LED flashes slowly this means that the battery is ready to prepare quick charging may last several minutes when temperature is below 5 C If the LED is lit constantly the quick charging is taking place If the LED flashes rapidly the batteries are fully charged and the charging is on stand by A CAUTION In the case of temperatures outside of the 10 40 C range or defective batteries the quick charge cannot be activated 3 Charge the instrument until
15. network L and N positions is automatically detected On a TT system the measurement of L PE loop impedance is a quick and practical way of measuring the earthing resistance without having to plant a single earth testing rod The result found is an excessive value of the earth resistance since it includes the distribution transformer earthing resistance and the resistance of cables which are normally both negligible So if the result is good then you can be sure that the earth is good To measure the fault voltage U according to the SEV 3569 standard and the voltage between the PE and the probe when a short circuit current appears the probe must be connected earth testing rod The fault voltage in a short circuit is calculated as U lk X R Z Uref x Z Zs short cut current R ZA earth resitance impedance Z is accessible in C A 6115N Version 2 8 combined with the Utility Software 3 2 In function Zs L PE the following measurements are possible depending on the connection of the inputs The instrument automatically performs the different measurements Application TT or TN systems Connection Main measurement results 1 L PE N optionell Zs Rs 2 L PE Sonde N opitionell Zs Rs U Za 3 L PE Sonde Zange N optionell Zs Rs l Up Zsel In this function the Rsel measurement has the best resolution due to high test current The maximum measurement limit for Rsel is
16. printer via an optional serial to parallel adapter first of all select the A4 format and set the baud rate to in SET UP Once the print out is finished you can save the measurement with MEM MR AON To begin a new measurement press the TEST button To go back to the display of the network voltage U turn the selector switch or press CHANGE or SELECT 6 3 3 Printing saved values This function is used to print out saved values stored in the memory in doc format measurements one after the other with the date time etc or in prt format measurement protocol general summary table in A4 format 1 Connect the instrument to the printer with the appropriate cable see chapter 6 1 Do not switch on the serial printer until after having switched on the instrument otherwise signs are printed indefinitely 2 Turn the selector switch so that the instrument is in voltage measurement mode 3 Press the PRINT button Pr is displayed The A4 or A6 printing format programmed in SET UP is displayed changing this is possible with CHANGE 4 Press PRINT again The type of print out programmed in SET UP is displayed Prt or doc changing this is possible with CHANGE The small display at the top indicates the memory address corresponding to the start of the print job The large central display shows the memory address at the end of the print job changing this is possib
17. selector switch the charge is applied to the higher of the two voltages measured L N L PE Next the network is alternately non charged open circuit then charged with I lt 5A in normal mode or lt 15 mA in Zs t mode On the basis of the difference between the two voltages measured open circuit closed circuit and the phase difference the processor calculates and displays the loop impedance The short circuit current l is calculated according to lk Unermon Zs The reference U Value corresponds here to the nominal network voltage selected 110 127 220 230 380 400 V or to the voltage actually measured Use the MORE and CHANGE SELECT buttons to set this reference voltage before measuring so that the actual voltage is used bring up on the display So that the fault voltage earthing voltage at the nominal current of the RCD is measured and displayed in position L PE the earth probe must be connected If the earth probe and a current clamp are connected to the instrument the selective earth measurement is also automatically carried out position Zs SEL 5 8 2 Technical specifications Measurement method Loop impedance Z Loop resistance R as per CEI 61557 3 Nominal voltage 95 145 V 175 300 V 330 440 V L N or L L Frequency range 15 3 17 5 Hz 45 65 Hz Test current lt 5 A at 230 V 400 V max 15 mA for Zs Measurement duration 4 to 50 periods Permissible overl
18. the charge indicator flashes regularly after approximately 120 min if the battery was completely discharged 4 The instrument is now ready to be used A CAUTION If the C A 6115N is plugged into the mains and battery charging is activated the indicator comes on or flashes the current clamp inputs may be live Consequently test leads with accessible contacts etc are not to be connected only connect a clamp that complies with EN 61010 with protected connection terminals as supplied as an optional accessory with the C A 6115N Changing the battery after several years of use should be carried out by a competent service centre recognised by CHAUVIN ARNOUX foe example MANUMESURE 10 3 Replacing the fuses If the fuses necessary to measurement are defective the instrument shows on the LCD The fuses used are those specified by CHAUVIN ARNOUX otherwise risking exclusion from warranty cover 10 3 1 Fuse at current clamp input 11 M 2 A 380 V 5 x 20 mm A CAUTION Before replacing the fuse disconnect all instrument connections from sources of voltage Open the fuse carrier with an appropriate tool such as a screwdriver or a coin Replace the fuse with a similar or original fuse Close the fuse carrier and lock it correctly Check that the instrument works properly The instrument is once again ready for use Pop 10 3 2 Measurement input protection A CAUTION The instrument contains high rupturing
19. 0 15 0 3 0 4 0 12 0 2 0 3 0 09 1 Characteristic G as per CEE 19 1 publication 2 Characteristic K as per DIN VDE 0660 part 101 3 Characteristic U as per CEE 19 2 publication 4 Nominal voltage of conductor in relation to earth 5 8 4 Error indications Display U L N qi lt LMT U 440 Asu Meaning Measurement not possible as the voltage is outside the nominal range Comments Voltage less than 90 V Connection may be defective Voltage above 440 V E Protective conductor defective Protective conductor possibly interrupted Incorrectly connected or live WARNING Danger of electrocution Measurement not possible as the frequency is outside of the nominal range Frequency above 450 Hz Frequency below 15 3 Hz Instrument temperature too high Allow the instrument to cool down Restart after approximately 5 minutes Measurement interrupted Error noted Error Restart If this occurs several times a factory inspection is necessary Measurement not possible The short circuit current cannot be calculated as Z gt 200 Q Measurement range exceeded Calculated short circuit current gt 29 9 kA Measurement not possible Probe incorrectly connected Resistance of the earth probe is too high gt 15KQ The cable has a break in it Earth connection voltage cannot be measured Calculation limits for fault voltage exceeded
20. 00 m 10 C 50 C 0 C 35 C 20 C 60 C 0 1 L K 80 max up to 31 C without condensation Permissible errors and use errors concern nominal temperature range and sine current or voltage Pollution degree SAFETY Protection index Protection class Safety Input protection Permissible overload EMC Power supply 2 absence of pollution or dry non conductive pollution From time to time temporary conductivity caused by condensation may be allowed E g closed and heated surroundings without fog or vapour IP 40 as per EN 60529 IK 04 as per EN 50102 Ed 95 compliant with protection class Il as per EN 61010 1 Ed 95 EN 61010 1 300 V installation category III Pollution degree 2 EN 61557 Ed 97 By software lock with varistors against voltage U_ 600 V and HRC fuse M 3 15 A 500 V 10 KA 6 3 x 32 mm Fuse protected clamp input M 2 A 380 V 10 KA 5 x 20 mm U__ max 500 V for all functions rms Emission according to EN 50081 1 Ed 92 Immunity according to EN 50082 2 Ed 95 NiMH 7 2 V 1000 mAh rechargeable battery with incorporated charger Connection via test lead Charge time max 120 Min fast charge Number of measurements per charge Min of 1500 with use of maximum current i e insulation measurements at 500 V Dimensions 295 mm x 230 mm x 108 mm L x W x H with cover Weight approx 2 1 kg with rechargeable battery 2 DESCRIPTION OF THE INSTRUMENT 15
21. 2 Press the MEM button to validate the selected number and save the values 3 Pressing MEM or MORE displays the date of the measurement The MORE button is used to display the data that has just been saved in memory To start a new measurement press the TEST button To return to the display of the network voltage U turn the selector switch or press CHANGE or SELECT 6 2 2 Memory recall To make access to the memory as quick as possible the Memory recall function MR is directly linked to the exact position of the selector switch So when a number of values are saved simply choose the function under which you want to recall measurements with the selector switch When looking through with the SELECT and CHANGE buttons see below the instrument suggests ONLY memory space numbers containing measurements made under the selected function Example An Riso L N PE measurement was carried out and saved under the memory number N5 Memory recall procedure Turn the selector switch to the INSULATION R position Press the MR button to activate memory recall Select n 5 with the CHANGE SELECT buttons Confirm by pressing MR the message OK 05 is displayed With MORE bring up the saved values on the display akon 6 2 3 Wiping the memory 1 Switch off the instrument with the selector switch 2 Press the MEM MR button hold it
22. 600 Bd in the CA6115 when transferring data from the instrument into the PC with the Utility Software Voltage supply Via the interface Connection to the serial printer front view front view Female 9 pin connector to CA 6115N male 9 pin connector to to serial printer Connection to a PC or to a parallel printer 9 pin connector to C A 6115N 9 pin connector to PC 25 pin connector 25 pin connector to PC or serial to parallel adapter Necessary links DB9 gt B25 gt m DB9 gt DB9 conversion gt null cable standard modem 222 62320 2393 535 323 874 392 6394 436 436 8737 537 6 2 Saving Calling up measured values The instrument can save 800 groups of values total of all the values measured per function in the internal memory MEM function Saving values can be done in two different ways 1 Saving in series once MEM is pressed after a new measurement the instrument automatically suggests saving under the number of the first free memory space that comes after the last filled space This number can be changed manually between 1 and 999 This way measurements are saved one after the other Saving in groups for the printing out of protocols in A4 format where each line represents a space in the memory and the columns represent the functions it is useful to group together measurements made under several functions e g RCD s insulation loop etc in the same memory
23. 6115N listed according to Software Version V2 3 E00 microcontroller program check sum error E01 stack overflow E02 program status error E03 display value out of range E04 memory MEM MR check sum error E05 EEPROM check sums one of 4 E06 watchdog reset E07 EEPROM communication E08 RTC initialisation or access error E09 bistable relays control Extensions in V2 4 E05 EEPROM check sum printer data E15 EEPROM check sum rotary switch calibration data E25 EEPROM check sum measurement calibration data E35 EEPROM check sum instrument number Extensions in V2 7 E09 shows the number of a faulty relay if test fails in the right upper display corner Extensions in V2 8 E45 EEPROM wrong contents for constants for measurement These error messages help to find the right diagnosis for repair In any case it is necessary to send the instrument to an authorised service center 5 MEASUREMENTS 5 1 Checking phase position with the mains plug This function is useful for quickly identifying the conductor with more than 20 Volt detected at the PE input phase in mains sockets thus avoiding the use of the traditional test lamp The test lead with the mains plug on it should be used for this A non connected neutral wire is also indicated 5 1 1 Description of the function The voltage of L and N conductors is measured in relation to the PE conductor ground The highest voltage g
24. C A6115N CHAUVIN ARNOUX User s manual Meaning of the A symbol WARNING Please refer to the User s Manual before using the instrument In this User s Manual instructions preceded by the symbol above should they not be carried out as shown can result in a physical accident or damage to the instrument and installations Meaning of the fo symbol This instrument is protected by double or reinforced insulation It does not require connection to the protective conductor terminal to ensure electrical safety Thank you for purchasing a C A 6115N Installation Tester To get the best service from this instrument read this user s manual carefully respect the safety precautions detailed A SAFETY PRECAUTIONS A Do not splash or immerse the C A 6115N tester in water under any circumstances This instrument may be used on category III installations for voltages not exceeding 300 V in relation to earth Category III meets with strict reliability and environmental requisites corresponding to permanent use on fixed industrial installations see IEC 664 1 Do not use the C A 6115N tester on installations exceeding 300 V in relation to earth Use connection accessories of overvoltage category and service voltage greater than or equal to the measurement instrument 300 V Cat III Only use accessories that comply with safety standards EN 61010 2 032 If a fuse should blow please follow the instructions detailed in t
25. Calculating values uunennennnennneneeneen 48 9 4 Comments on the 2 different methods 4srs44n0nnnnnnnnnnnnennonnnnnnnnnnnnnnen nennen nennen 48 CLEANING AND MAINTENANCE 4442442442snsnnnnennnnnnnnennnnnnnnnnnnnnnnnnennnennennennnnnnnnnnennnn 49 10 1 Cleaning 10 2 Charging the battery 10 3 Replacing the fuses 10 4 Storage 10 5 Metrological check oe 10 5 Afier sales SCRVICG Aisnean iisas e eabro ed eioan raai danse Saa ueeesecs sdibuccees ORDERING REFERENGES 5 iaaea ee en a Eaa a cee dae ee 51 1 GENERAL PRESENTATION The C A 6115N is a measurement instrument designed for testing the safety of electrical installations Measurement functions Display Operating controls Voltage frequency current leakage current insulation resistance RCD s earth resistance selective earth resistance fault voltage loop impedance short circuit current resistance continuity phase order protective conductor testing checking connections 3 digits 1999 counts LCD with back light Lt Lt S 52xUlAN 888 Ma gt O E39 REMOTE MEM MR fel gt HER Pee Ihe AR achel IN N kmAnin O A Rie Central selector switch and control buttons ENVIRONMENTAL CONDITIONS Altitude Operating temperature Temperature rating Storage temperature Temperature coefficient Relative humidity Indoor use up to 20
26. E earth ur 5 3 Measuring voltage and frequency ccccsscccccsscessesccecoctssstssercoatesserscesocessstucteroadcostnccesocdssstzeereeads 5 4 Measuring current and leakage current with a clamp uuuusssesssensnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 5 5 Measuring insulation resistance u ennnn 5 6 RCDA8SItING u een 5 7 Measuring earth resistance RA Za since Software version 2 8 a 5 8 Measuring loop impedance Short circuit current Fault voltage Earth impedance Selective Resistance cccsesscsscceseessessseeesesscessesoneessesosees S 5 9 Measuring resistance testing continuity sccssecssscssssessesessesssessaesecesossevsesosseseeseasseoees 36 5 10 Determining phase Order scciscccscceceesscccvsicseecnsveveccsccesssceveecscecaatarsecedeeveactveitesteeatstvatessevourteareas 38 5 11 Measurement lead compensation 2 RS232 INTERFACE MEMORY ae 40 6 1 Technical specification fithe RS282 u 2ueeenn nee 40 6 2 Saving Calling up measured values 6 3 Printing measured values 0 0 eee eee sits ees 6 4 Saving or printing at programmable intervals nnesensersennennnnneennennenn 45 SERIAL TO PARALLEL ADAPTER RS232 CENTRONICS OPTIONAL in C A 6115 UTILITY WINDOWS SOFTWARE FOR PC OPTIONAL lt 47 CONTINUITY TEST ADAPTER OPTIONAL UK MARKET ONLY x Y DESCHIPUON rss reesen RERE EEEE ATER we 47 9 2 Procedure 48 9 3
27. Technical specifications All measured values are calibrated for a sine wave Measurement range Resolution Frequency range 95 440 V 1V DC AC 15 3 450 Hz Accuracy 1 of R 1 ct Internal resistance Approx 400 kQ L N PE Permissible overload U max 500 V 5 3 2 Frequency measurement Technical specifications This is possible in all switch positions Measurement range Resolution Operating range 15 3 99 9 450 Hz 0 1 1 Hz 5 400 V Accuracy 0 01 of R 1 ct Internal resistance Approx 400 kQ L N PE Permissible overload U max 500 V 5 3 3 Measuring voltage and frequency 1 Connect the instrument according to the diagram opposite 2 Select any position with the switch rene 3 Read off all the measurements using the Ld MORE button i 4 To save or print out voltages and p frequencies alive TEST RCD earth loop a phase rotation must be run with the TEST 7 button voltages and frequencies are always ee saved or printed with the test made L1 L2 f L3 TIN A WARNING Voltages and frequencies saved by a TEST can only be displayed whilst printing out or transferring measurements stored in memory to a PC and EXCEL The environmental parameters of measurements voltages frequency current cannot be displayed on the LCD screen in Memory Recall mode see chapter 6 2 5 3 4 Error indications Comments
28. Z gt 200 Q the probe voltage cannot be measured possibly gt 50 V No measurement result The RCD may have tripped during measurement Use the Z function without tripping 30 mA RCD s Measurement impossible Battery discharged Charge the battery see Charging the battery 5 9 Measuring resistance testing continuity This function enables resistance measurement up to 1999 Q with DC voltage and automatic polarity inversion To take into account the resistance of the leads it is possible to compensate for their resistance Additionally a maximum resistance threshold can be programmed with an audible signal to confirm the measurement 5 9 1 Description of the function A measurement is first of all carried out to ensure that the voltage present is less than 3 V If this condition is met the measurement begins The battery is used as the voltage source The DC voltage and the current passing through the sample are measured processed by the processor and displayed as a resistance By inverting the current flow the second resistance R is obtained To avoid voltage peaks at the switching relay due to the possible presence of inductance in the test circuit the inversion is only carried out once the measurement current has decreased For this reason the measurement time depends on the possible presence of inductance it may amount to several seconds if the inversion current is authorised It is possible to
29. ace SUB D 9 poles and memory capable of storing approximately 800 groups of values a measurement secondary measurements context voltage current frequency date time The instrument has a real time clock for the date and time The interface enables measured or saved values to be printed out or transferred to a computer with the C A 6115 UTILITY software optional Furthermore the instrument can be controlled remotely via the RS 232 Thanks to internal insulation the instrument can also be used to carry out measurements at the same time Interface RS232 9 poles galvanic separation for printing or transferring measured or saved values and to enable remote control REMOTE Direct protocol printing summary table on a parallel A4 printer is possible as is the printing out on a serial printer of measurement slips Time Non volatile self powered clock for date and time Memory Memory capable of containing up to 800 groups of values Group of values all the values measured per function 6 1 Technical specification of the RS232 Test voltage 4 kV Data format 1 start bit 8 data bits 1 stop bit without parity Protocol Xon Xoff handshake Baud rate 300 bauds 9 6 kbaud can be adjusted in SET UP The P display enables the remote control probe to be used The display makes it possible to print out on a parallel printer via the optional adapter NOTE Select the Baud Rate of 9
30. after being left idle the screen indicates The display can be reactivated by pressing any button This standby function can be deactivated in SET UP 4 7 Power up information After a short display test with all segments some numbers are indicated before the instrument switches into the voltage measurement status The numbers show the software version 2 digits on the left and the instrument number composed of 6 digits 3 digits main display and 3 digits upper right Example 300 001 Means 2 8 Software version 28 300 001 Instrument number 4 8 Remote control probe This probe plugs into the C A 6115N s RS232 socket It is fitted with a 4 mm safety socket on its underside making it possible to connect one of the three test leads L N or PE All measurements can be carried out using the yellow button on the probe which is the equivalent of the TEST button on the C A 6115N WARNING The test for PE voltage connected to earth is not carried out with the probe A push button on the back of the probe enables the operator to light up the measurement point approx 500 lux Illumination This function can be very handy when making measurements on powered down installations for example To use the probe first set the bd baud rate to P in the SET UP menu see 4 5 Croc clips P Remote control probe RS232 socket 4 9 Error codes CA
31. arth set 1 x T earth testing rod 1 x 30 m long green cable on reel P01 1019 03 Reinforced carrying case capable of holding the instrument and all the accessories Current clamp C103 1000 1 Current clamp MN21 200 0 2 P01 2980 31 P01 1203 03 P01 1204 18 E Spares Set of 3 croc clips red yellow white Set of 3 test probes red yellow white Measurement charge cable 3 separate leads Measurement charge cable for mains socket FRA GER SPA Measurement charge cable for mains socket Measurement charge cable for mains socket P01 1019 05 P01 1019 06 P01 2951 32 P01 2951 23 GH teias P01 2951 24 GB P01 2951 25 Measurement charge cable for mains socket ITA P01 2951 26 Measurement charge cable for mains socket USA Brazil P01 2951 88 3 m long green lead set of 4 colours P01 2950 98 Green test probe 30 m long green lead on reel for earth measurements T shaped earth testing rod Shoulder bag for the 2 measurement charging cables PC RS232 DB9F DB25F cable x2 DB9M DB9M adapter RS232 DB9F DBOM serial printer cable DB9M DB9M adapter P01 2951 73 Roll of paper set of 5 a P01 1018 42 Fuse 2A 380 V 10 kA 5 x 20 M set of 10 for clamp input P01 2970 26 Fuse 3 15A 500 V 10 kA 6 3 x 32 M set of 10 for measurement input P01 2970 80 P01 1019 20 P01 2951 28 P01 1018 29 P01 2980 32 P01
32. bers are by line Date 07 06 00 Time 10 23 C A 6115 Installation test Company name Chauvin Arnoux GmbIl Tel 1 6161961 30 29 Fax 1 6161961 61 City A 1230 Wien Protocol Nr Installation susanne de a a a DE e E Instrument rumber 100004 Group of installation parts 001 Signature Signature auditor 2 Printing documents doc l en Measurements that have not yet been saved or en een saved measurements can be printed out one after on Re MEM 007 the other on a serial RS232 printer in A6 format or limit 100 Q Poe on parallel A4 printers via an optional serial to ee ta ea 4 t comp L N 0 046 Q parallel adapter L N 223V UL PE 223 V I N PE 1y Ps 50 0Hz 6 3 1 Preparing the printout The settings below defined in the SET UP menu are used to configure the default printing parameters 1 Switch on the instrument or turn the selector switch 2 Press the PRINT SET UP button for over 2 secs All the segments of the LCD are displayed Display Test 1 screen in SET UP mode 3 Press the MORE button as many times as necessary until bd baud rate is displayed With the SELECT and CHANGE buttons choose the speed of the RS232 interface by changing the baud rate bd between 300 bauds and 9 6 k bauds If using a parallel A4 printer and therefore the serial to parallel adapter then you must choose as the interface speed
33. capacity fuses M 3 15 A 500 V 10 KA 6 3 x 32 mm with a trip capacity of 10 kA which do not come into effect in correct use If the fuses blow E is displayed In this case inspection of the C A 6115N by a recognised service centre is necessary 10 4 Storage If the C A 6115N remains in storage or unused for a prolonged period of time charge the batteries from time to time to avoid any damage 10 5 Metrological check lit is essential that all measuring instruments are regularly calibrated We advise you to check this instrument at least once a year For checking and calibration of your instrument please contact our accredited laboratories list on request or the Chauvin Arnoux subsidiary or Agent in your country 10 6 After sales service Repairs under or out of guarantee please return the product to your distributor 11 ORDERING REFERENCES E GC A 6115N GB Tester Ru een nennen P01 1454 12A Comes with a small shoulder bag containing a cable for measuring or charging with a schuko type mains plug a measurement cable with 3 separate leads 3 test probes 3 croc clips 1 green lead test probe and the user s manual in English E C A 6115N GB 7 Tester nennen een P01 1454 22A Comes with a shoulder bag for the instrument accessories a cable for measuring or charging with a schuko type mains plug a measurement cable with 3 separate leads 3 test probes 3 croc clips one green lead test probe a 30 m
34. ccuracy 0 01 0 15 2 99 5 0Q 0 01 0 12 5 of R 3 cts Measurement time Approx 1 sec no voltage polarity inversion Permissible inductance Max 5 H without damage Parasite voltage permissible in series lt 3 V AC DC measurement is not started beyond this value Nominal voltage Battery voltage gt 6 5 V max 18 V DC Short circuit current gt 200 mA DC Permissible overload U max 500 V measurement not made Lead compensation up to 5 Q max R R indicated 7 Fy hed My 5 11 2 Performing a measurement 1 Turn the selector switch to the RCD EARTH LOOP or LOW Q functions 2 Press the MORE button as many times as necessary until R is displayed 3 Short circuit the cable with 3 separate leads and or their extensions 4 Press the TEST button 5 The measurement is saved and will be automatically deduced from measurements in all the functions concerned RCD Ra EARTH LOOP LOW Q The symbol is displayed to indicate compensation complying with EN 61557 5 11 3 Deleting compensation To delete the saved value proceed as indicated above steps 1 2 separate the leads remove short circuit press the TEST button R 0 000 Q is displayed indicating that the value has been deleted The saved resistance compensation value is deleted when the instrument is switched off 6 RS232 INTERFACE MEMORY This instrument is equipped with an RS232 serial interf
35. ch measurement capacitances that are possibly still charged are discharged across an internal resistance the voltage is then displayed automatically provided that it is exceeds 20 V In the L N PE function the instrument automatically measures the insulation resistance between the terminals in one go L N L PE and N PE 5 5 2 Technical specifications Measuring insulation resistance according to EN 61557 2 Ed 97 DIN VDE 0413 part 1 9 80 Nominal voltage 100 250 500 V DC switchable Voltage at open circuit lt 1 05 x U 5V Nominal current gt 21 mADC Short circuit current lt 12 mA DC Permissible overload U max 600 V AC Max U ns 50 V AC Measurement is not made Measurement duration For as long as TEST is pressed down or 4 s in automatic mode Automatic discharge after each measurement across 400 kQ Measurement range 5 KQ 9 99 MQ 600 300 MQ 1 Resolution 10 100 KQ 1 MQ Accuracy only at 100 V 250 V Measurement range of DC voltage 1 520 V Resolution 1V 6 R 1 ct Accuracy 5 5 3 Diagram of measurement voltag Graph of voltage resistance at 100 V e at closed circuit 1 ofR 1c Graph of voltage resistance at 250 V 120 300 100 250 s 80 S 200 rs 60 g 150 ERY 100 S 29 gt 50 0 a r o r 0 5 1 2 5 10 20 50 100 200 500 1000 0 5 1 2 5 10 20 50 100 200 500 1000 Resistanc
36. col type printing The rest of the SET UP menu below lists the secondary parameters results that can be shown or hid for each function The x s indicate the functions where there is a parameter result display ON OFF option Parameter Setting INSULATION Interval selection 0 1 199 9 min auto recording mode Contact voltage limit on off Reference voltage for on off Short circuit current on off Loop impedance on off Loop impedance limit on off Loop resistance on off Earth resistance limit on off Resistance limit on off Earth impedance 7 on off lt x lt x KK OK OX 1 Only settable with the Utility Software Version 3 2 To change settings 1 Turn the selector switch to the required position 2 Press the Print SET UP button for over 2 seconds All segments of the display come on 3 You can now press the MORE button several time to go through the SET UP parameters and change them accordingly using the CHANGE and SELECT buttons 4 To quit SET UP and save the changes made press the MORE button until you have worked all the way through SET UP or press the TEST button If you turn the selector switch the changed parameter settings will not be saved after the instrument is switched off 4 6 Standby mode Power down Pd To prolong battery life the instrument switches to standby mode approximately 1 minute
37. curacy 1 70 V 0 1 V 2 of R 1 ct NOTE The inductive component of Za is measured within the values 0 lt Za lt 15 Q R function without tripping 30 mA RCD s Measurement range Resolution Q Test current Accuracy 0 15 199 9 Q 0 1 0 200 1 999 kQ 1 10 mA rms 10 of R 3 cts 2 00 9 99 kQ 10 R set function using a current clamp Measurement range Resolution Q Test current mA Accuracy 0 7 19 99 Q 0 01 1500 15 of R 10 cts 20 0 199 9 Q 0 1 650 Probe voltage Max 20 V in relation to the PE potential Measurement is not started beyond this voltage Probe resistance Max 15 kQ Selective measurement Check that the measurement current is not lt 10 mA for R 0 18 Q or R SEL lt 5 mA for R gt 18 Q In this case the measurement will be outside of the instrument s accuracy range displays as selective earth R SEL measurement result NOTE To get highly accurate measurement of low earth resistance test lead compensation 5 11 can be put into effect The same Rsel function is available in position Zs chapter 5 8 with better resolution 5 7 2 Performing a measurement TT system IT system TN system In this function connection to the neutral is not necessary for R measurement but is for R a For R you can connect the neutral and earth test leads to the PE eart
38. des on either side of the lid opening it up at the same time Then let go of the slides and angle the lid in the desired position A CAUTION Never force the lid open The position for on site use lid open at 115 is a locked position for greater ease of use during measurements Always use the slides to release this position by moving them backwards or forwards To close the lid use the slides and close NOTE When the lid is opened to 180 it can even be removed When replacing the lid check that it is correctly in place before trying to rotate it Never use force 4 GENERAL USE The C A 6115N is extremely easy to use irrespective of the measurement function selected 1 Turn the selector switch to the required measurement function The instrument is in standard set up 2 Connect the instrument following the wiring diagrams specified in this User s Manual 3 Start measurement using the TEST button NOTE Beginning with the version 2 8 of the C A 6115N there are two ways to start a measurement with the test button A short press starts a normal measurement A long press gt 2 sec till the buzzer sounds causes the instrument to measure the mean value out of 10 single measurements This is useful in case of heavy disturbances This feature is applicable in all functions where a loop resistance or an earth resistance is carried out 4 Read off the measurement result or call up additional results using the MORE but
39. down for 2 sec and at the same time turn the selector switch to switch on the instrument 3 An indication is displayed for example Occ bci The display of OCC a figure indicates the last space occupied by a value You can release the MEM MR button 4 Press the MEM MR once more The display goes back to voltage measurement All the values stored in the memory are deleted To verify this press MEM MR En j ml a aan MR FrEE This display indicates that the memory is empty You can also easily delete values in memory with the optional PC software A WARNING All the saved values are irreversibly deleted 6 3 Printing measured values The instrument offers two possibilities for printing 1 Printing protocols prt Saved measurements in groups or under successive numbers can be printed out in A4 format in the form of a general summary table on an external printer with an RS232 interface or on parallel A4 printers via an optional serial to parallel adapter If protocol printing is used with saving in groups a clear summary table of the tests carried out on installations is obtained The header of the protocol contains all the details of the instrument user to be written in by hand or automatically printed if they have been stored in the instrument via the PC software On the table the measurement functions are listed by column and the allotted memory space num
40. e s resistance takes place before measurement The instrument tolerates probe resistances of up to 15 kQ If during measurement fault voltages gt 50 V in relation to the earth are experienced the measurement stops automatically within 200 ms In some cases inductive components may be essential long tower line in TT systems or poor earth conditions in TN systems In these cases the CA 6115N with Version 2 8 has the ability to show the Z impedance Normally this function is inhibited but combined with the Utility Software 3 2 this function can be set valid in the set up panel See also chapter 5 8 For measurements on RCD protected installations make sure to use the R 1 measurement function This function enables measurement of the earth resistance without tripping 30 mA RCD s Furthermore it is also possible to selectively measure a single earth among several without having to disconnect the earth from the installation A current clamp optional must be connected to the C A 6115N See also chapter 5 8 NOTE unstable measurements caused by heavy disturbances in the mains supply can be reduced by making a long press on the TEST button available since Version 2 8 5 7 1 Description of the function During the test the current source is connected to the conductor with the highest voltage in relation to the PE The network is then charged with a current that varies according to the earth resistance and the drop i
41. e k Resistance k Graph of voltage resistance at 500 V 600 500 S 400 2 300 200 S gt 100 0 05 1 2 5 10 20 50 100 200 500 1000 Resistance k 5 5 4 Performing a measurement L1 L2 L3 N PE Force de 750 N sol 250 N paroi Plaque de bois N Plaque m tallique PE Tissu humide Sol E 1 Connect the instrument as shown in the connection diagram 2 Turn the selector switch to INSULATION automatic L N PE or L PE 2 poles If using a measurement cable with 3 separate leads for a bipolar L PE measurement the N lead yellow that is not used should be connected to the PE lead white If using the measurement cable with the mains plug the instrument considers that the phase is found to the right of the white point situated on the mains plug 3 Press the TEST button For a bipolar L PE measurement hold down the button until the indicated value stabilises To stop the measurement let go of the button 4 Read off the measurement The residual direct voltage following the measurement is automatically displayed During this process all the capacitances discharge at the same time This function is automatically activated after each measurement until the voltage is less than 20 V To start a new measurement press the TEST button once more To return to the display of the network voltage U turn the selector switch or press CHANGE or SELECT A WARNING If there is a capacitive componen
42. e measurement can be made between the earthing rod and the different points of the ground circuit earth terminals on mains plugs metal radiator housing or light fittings 2 Turn the selector switch to the LOW Q function 3 Press the TEST button to start a resistance measurement ED The positive pole of the voltage is on L and ground on L The indication is R1 Hold the TEST button down to check whether R lt LIMIT with immediate confirmation by audible beep 4 Once the TEST button is released the current is inverted R R R 2 is displayed R and R are visible by means of the MORE button If R gt LIMIT an audible warning beep sounds 5 Save the measured values using the MEM MR button or print them out using the PRINT button To begin a new measurement press the TEST button again To return to the display of the network voltage U turn the selector switch or press CHANGE or SELECT To achieve very precise measurement of low resistances lead compensation can be brought into effect see 5 11 A WARNING Resistance can only be measured without voltage This criteria is checked for to authorise a test If for a measurement a voltage gt 300 V is applied by mistake the protective fuse blows If this voltage is lt 300 V the instrument is protected without fuse 5 9 5 Error indications Meaning Comments Measurement not possible Voltage above
43. eet EXCEL software The environmental parameters of measurements voltages frequency current cannot be displayed on the LCD screen in Memory Recall mode see chapter 6 2 NOTE If the instrument s red Clamp Input terminal is connected to a lead and the LCD does not display the Clamp symbol the clamp s fuse has without a doubt blown changing it is possible via the front of the instrument 5 4 4 Error indications Display Meaning Comments M r rren high Measurement range exceeded Sasured current tod Nigri wrong clamp e g 100 1 or i i A foreign voltage connected Frequency out of 45 450Hz Measurement not possible range or current too low Charge batteries If the indication appears several times gt After sales service Measurement not possible Battery discharged 5 5 Measuring insulation resistance This function is used to measure insulation resistance up to 600 MQ 300 MQ at 100 250 V There is a choice between test voltages of 500 250 and 100 V DC with a nominal current gt 1 mA complying with DIN VDE 0413 and EN 61557 Ed 97 Insulation resistance measurement can be made automatically between 3 points L N PE for example without changing the position of the leads 5 5 1 Description of the function The voltage present on the terminals is measured first If less than 20 V the selected test voltage 500 250 100 V DC is generated upon pressing TEST After ea
44. g measurement Use the Ra function Measurement not possible voltage between the probe and the PE gt 70 V Connection of the probe generates a voltage in relation to the PE greater than 70 V e g parasite voltage foreign network Protective conductor defective Protective conductor possibly interrupted badly connected or live WARNING Danger of electrocution Measurement not possible Incorrect connection of the probe The earth probe s resistance is too high gt 15KQ The cable has a break Measurement not possible Non compliant probe connection Earth probe s resistance is too high Probe not connected Temperature limit exceeded After approx 3 minutes press the TEST button again Measurement interrupted Error 03 detected Error Restart If this occurs several times a factory inspection is necessary Measurement impossible Battery too low Charge the battery 5 8 Measuring loop impedance Short circuit current Fault voltage Earth impedance selective Resistance On TT TN and IT networks this function enables the testing of the protective systems that have been implemented The instrument makes quick and easy measurement possible of the loop impedance between L and PE except for on an IT system and the network impedance between L and N or L and L as well as the corresponding short circuit current on 95 440 V AC networks The correct polarity of the
45. ge in relation to the earth PE is on the right hand pin of the mains plug If using the measurement cable with 3 separate leads If y appears this means that L red presents the highest voltage in relation to the PE conductor white If y appears this means that L yellow is connected to the highest voltage A NOTE To avoid indication errors use original measurement cables only 5 2 Checking the protective conductor PE Earth When the user touches the conductive TEST button the instrument checks whether a voltage gt 50 V is present on the protective conductor PE compared with the neutral earth whether the protective conductor is there or not or whether there is a break in it If no PE earth is detected by the instrument but you wish all the same to carry out a measurement that does not use the earth you must press the TEST button with an insulating tool glove pen 5 2 1 Description of the function An integrated network of high resistance values between L N and PE enables the protective conductor PE to be polarised When making contact with the conductive TEST button the operator establishes a link with the potential of the protective earth connection via the resistance of his body If the protective conductor is live or is missing a difference in potential is detected evaluated by the processor and reported by PE An audible signal is triggered at the same time 5 2 2 Technical specificatio
46. h 1 Connect the instrument as shown on the diagram above NOTE In the case where the earth conductor is connected to the earth by several connections in parallel on a TN system for example where this enables the potential of the PEN conductor to be kept at 0 all along it whilst neutral currents flow use the R seL measurement function with a current clamp available as an option to measure each earth selectively without disconnecting them WARNING In such cases connect the clamp and the PE test lead white as close as possible to the required earth to be measured and compensate for the leads before starting the measurement TT system This is the ideal diagram for quick and easy measurement of the ground earth no earth connection to disconnect and just one extra earth testing rod to plant IT system Itis also easy on a TT system but BEWARE The supply transformer must be connected to the earth by an impedance It must not be totally isolated from this otherwise the measurement current cannot flow The ground earth R and the transformer earth must also be distinct otherwise the measurement current will not go through the earth The network must not be in a state of single fault that has not been rectified since the measurement creates a second fault at the earth Check the indication given on your CPI TN system You can easily measure each earth in parallel with the PEN using the current clamp selective measurement Wit
47. his brochure to replace it All repairs and metrological checks must be carried out by qualified and approved personnel WARRANTY Our guarantee is applicable for twelve months after the date on which the equipment is made available extract from our General Conditions of Sale available on request Penn 10 11 CONTENTS GENERAL PRESENTATION 000 cecceecceceeeeeeceeeeeeeeeaeeeeeeeeeeeaeeaesaeeaeseeeeeeeeesaesaeeaeseseeseeteaeeaeeateaes 4 DESCRIPTION OF THE INSTRUMENT cccccsseeseeceeeeconeeeseenseneeeeeeneeseseesaneeessneeesesneasenees 6 USING FOR THE FIRST TIME 22 7 GENERAL USE 24 42 Henn ge kanns 4 1 Automatic checks of measurement conditions u 240us40nnnnnnnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 4 2 Connecting the instrument ueeeseeseessesneenennen 4 3 C A 6115N Operating principle 4 4 Changing settings thresholds 4 5 SET UP General settings 4 6 Standby mode Power down Pd m 4 7 Power p information u a nannten ha hen 4 8 ReMOte Control probe wiicticcetessevscecssccesseasdestsecved cab cnstesassidacssescnacecdetescesauteaicestsedvseeansavarsaseveasat 4 9 Error codes CA 6115N listed according to Software Version y MEASUREMENTS v eaaa aae anrea e a TE EA AAE E a AE E ENEE NNA 5 1 Checking phase position with the MAINS plug eeeeecceseeeeseeeneeeeceeeeeeeeeeaeeesaeesesereeeeeaeeateas 5 2 Checking the protective conductor P
48. hout using the clamp the measurement gives the value of the entire earthing system connected to the network which is of little use or significance In fact on a TN system the fault currents do not flow or flow very little in what is a purely functional earth The fault currents loop back mainly by the neutral and except in the presence of RCD s the low impedance of the fault loop makes these currents very high They are then cut by fuses or RCD s It is therefore much more useful to measure the fault voltage according to the RCD s in place protection of persons against indirect contact as well as the fault loop impedance to calibrate the fuses and circuit breakers 2 Set the selector switch to the R position If the amp symbol flashes then the probe necessary for the measurement is not connected to the S s terminal 3 To start a measurement press the TEST button Read off the Ra or Za since Version 2 8 or that of R sel NOTE the Za function is accessible with the Utility Version 3 2 Default setup is Za inhibited 4 Read off the R measurement or that of R SEL 5 If you want to save the measurements with the MEM button or print them out with the PRINT button To start a new measurement press the TEST button once more To return to the display of the network voltage U turn the selector switch or press CHANGE or SELECT A CAUTION To avoid any influence make sure to posi
49. in blinking N PE symbols The same function is carried out when a no tripping measurement is chosen 5 6 2 Technical specifications Measurement method Measurement of line drop without probe or of the voltage difference with probe as per DIN VDE 60413 part 6 8 87 RCD test as per EN 61557 6 Nominal voltage 95 145 175 300 V sine Frequency range 15 3 17 5 Hz 45 65 Hz Permissible overload U_ max 500 V No measurement is made beyond 300 V Duration of measurement with triggering 1 5 s in Pulse mode 1 s if 5 Ln 3 4s maximum in Ramp mode Duration of measurement without triggering 1s AN Accuracy Comments theoretical value Adjustable nominal fault current In 10 30 100 300 500 mA Variable 6 1000 mA 0 7 lIn max 1000 mA x1 x2 x5 I 150 250 mA Internal resistance approximately 400 kQ Nominal fault current Measurement range Resolution Accuracy ln mA R and Z 20 999 Q 9 99 KQ 2 999 Q 3 33 kQ 2 999 0 0 2 333 Q 0 2 199 Q 10 of R 4 cts 0 2 99 9 Q Measurement range of the contact voltage U Resolution Accuracy 0 1 1 5 99 9 V 0 1V 0 415 of R 2 cts Measurement range of tripping time t Resolution Accuracy Ramp 0 200 ms Pulse 0 500 ms 0 1 7 500 ms 0 1 ms 2ms Without tripping 0 1000 ms automatic warning if t gt 200 ms Measurement range of tripping current Resolution Accuracy 17 ste
50. ion test voltage H At this point you can consult all of these values with the MORE button and change them if need be using the SELECT and CHANGE buttons when it is possible E If you press the MEM MR button the C A 6115N switches to Memory Recall mode MR since no measurement has yet been started see chapter 6 2 E If you press the PRINT button the C A 6115N switches to Printing measured values mode see chapter 6 3 2 After measurement you have pressed the TEST button The C A 6115N indicates the different measurement results which can be read off by pressing the MORE button E Ifthe instrument shows as being the measurement result the measurement was interrupted by a problem test leads not connected to the instrument defective fuse or by some other disturbance Start again E If you press on the MEM MR button the C A 6115N switches to Saving mode to store the measurement made See chapter 6 2 E If you press the PRINT button the C A 6115N switches to immediate Printing mode to print out the measurement made Before or after a measurement the procedure for displaying secondary parameters by pressing the MORE button can be simplified and made shorter by going to the SET UP menu see chapter 4 5 or even more simply still by using the optional PC software with the C A 6115N Return to the status Before measurement voltage measure
51. istance and phase order measurements as well as for distribution switchboard measurements use the measurement cable with 3 separate leads If measurements have to be carried out with the earth probe the probe lead green lead with winder must be connected to the s terminal The instrument automatically checks that the connection is made and displays the corresponding non flashing symbol If the symbol does flash however this is either because the probe is necessary but not connected OR because the probe is prohibited for the measurement in question If the current clamp is connected the corresponding symbol comes up on the display If this symbol flashes this means that the clamp is necessary for the selected measurement but that it is not connected OR that the clamp is connected but prohibited for the selected measurement 4 3 C A6115N Operating principle The C A 6115N has two main operating modes 1 Before measurement having just turned the selector switch to one of the different positions The C A 6115N is monitoring the measurement conditions By pressing the MORE button you can read off the voltage between different connected terminals the frequency the current measured by the clamp if connected the limit values that have been programmecd in as well as other parameters depending on the function chosen with the selector switch limit of contact voltage reference voltage for short circuit current calculation insulat
52. lation capacity which charges up following initial tests made with the instrument with lt 40 The trip time of this sort of RCD is then changed This hysteresis effect is corrected over the discharge time of 30 s 5 6 4 Error indications Comments Display Comments Uy 339 Ar Meaning Contact voltage cannot be measured as it is above 100 V Earth resistance too high Test current setting may be incorrect A oun WARNING danger Measurement not possible The RCD was already tripped during the previous test at lt 0 4 Leakage current in the installation the test current lt 0 4 have tripped the RCD Inductive circuit Wrong test current selected RCD defective trips at lt 40 lw Reduce the test current in the VAR position The RCD was tripped during the test at 50 lan Leakage currents in the installation test current have tripped the RCD Inductive circui Wrong test current selected RCD defective trips at lt 50 law Measurement of trip time impossible The RCD was already tripped during the test at 40 or 50 of Leakage currents in the installation 40 or 50 I trip the RCD The RCD trips at 40 or 50 The RCD did not trip with the Ramp function at 103 lay Possible N PE connection wrong test current selected RCD defective The RCD did not trip at I in 500 ms RCD defective or incorrectly connected Repeat test i
53. le with SELECT and CHANGE 5 Press PRINT for a third time Validation and start of print job 6 3 4 Error indications Display Meaning Comments Defective cable The interface cannot F COM 2 Wrong printer set up establish a connection Wrong baud rate bd Interface error Use the PC software Data in the EEPROM reconfigure the instrument Is lost 6 4 Saving or printing at programmable intervals Interval mode is used for automatic saving or printing out of Loop or Earth measurements at a programmed rate It is also possible to monitor the changes in these parameters with time as a function of the weather for example The interval between each measurement int can be set from 0 1 to 199 9 minutes As the environment of measurements voltage frequency current is always measured and saved at the same time as the measurements this function can serve for example to record the leakage currents of an installation over a long period of time WARNING if the current clamp is connected on positions Ra SEL and Zs SEL then it is the selective earth current measurement and not the leakage current of the installation that will be recorded For leakage currents use the Zs function instead without RCD tripping _ Recording begins at the first memory address that comes free after the last occupied address Running Interval mode 1 Turn the selector switch to the required measurement functio
54. lector switch if not after the display of this rating using the MORE button Start the measurement with the TEST button Read off the fault voltage U that comes up as the first result Press the MORE button several times to bring up the additional values time current Save the measurements with the MEM MR button or print them out with PRINT en Before and after method This method makes it possible to trip an RCD even if another RCD of lower rating comes before it If this is the case connect the instrument to a phase before the RCD to be tested and connect the remaining test leads neutral and earth to the neutral after the RCD to be tested This method can only be used on single phase or three phase networks with a neutral since the phase to phase voltage exceeds the operating range of the instrument 95 300 V on three phase networks with no neutral In the fault voltage test function t the connections of the network are automatically checked in order to test for the possible inversion of N PE A WARNING in this case in the event of an insulation fault on the installation the RCD will not work To start a new measurement press the TEST button again To go back to the display of the network voltage U turn the selector switch or press CHANGE or SELECT A CAUTION To ensure that the RCD is working properly the first measurement on each circuit power outlet appliance
55. long cable on a winder an earth testing rod for earth measurement with an auxiliary earth testing rod and the user s manual in English For A CUSTOM ORDER USER S MANUAL LANGUAGE MAINS LEAD COMPLETE THE FORM BELOW State of delivery As described on the form 3 leads cable 3 test probes 3 croc clips 1 green lead test probe User s manual language amp lexan label connections French English German Italian ne Spanish RER REISE tebe ove Mains cable for charging and measurement France Germany Spain schuko Great Britain Italy Switzerland USA Brazil Bags For mains cable and 3 leads cable Earth kit shoulder bag for instrument and accessories Installation tester C A 6 1 1 5 N OrADD E Accessories Continuity Test Adapter Optional UK market only 9000 30 Remote control probe N2 ccee eee P01 1019 42 C A 6115 UTILITY PC software for Windows P01 1019 02 Comes with DB9F DB25F cable x2 DB9M DB9M adapter CAGI UTILITY PG Software tor Germany niine enisinia EE ea ee rE EEEa S Sei P01 1019 02A Comes with DB9F DB25F cable x2 DB9M DB9M adapter serialiprinten N 054 een za eigenen P01 1029 03 Comes with DB9F DB9M cable DB9M DB9M gender changer Adapter for parallel printer DB9F DB25Fcable x 2 DB9M DB9M adapter P01 1019 04 E
56. ment In this function connection to the neutral is only obligatory for Z _ 4 measurement For Z the neutral test lead can be connected to the earth and for Z it can be connected to a phase phase phase loop measurement 1 Connect the instrument according to the diagrams below TT System TT System L PE loop measurement enables quick earth measurement without planting an earth testing rod excess value L N loop measurement enables the short circuit current to be calculated and makes it possible to scale protective devices fuses or circuit breaker TN System TN System L PE or L N or L L loop measurement enables measurement of fault loops and calculation of short circuit currents for scaling of fuses or circuit breaker IT System IT System Measuring L N or L L loops enables fault loop measurement and calculation of short circuit currents for scaling of fuses or circuit breakers The L PE loop cannot be measured on account of the high impedance of the supply transformer s earth connection gt measurement range even total insulation from the earth 2 Turn the selector switch to the LOOP Z L PE position for the earth loop impedance or Z L N for the network impedance So that the fault voltage is automatically measured on the LOOP Z position connect the earth probe to the instrument In the case of simultaneous selective earth measurement
57. ment Switch the main rotary switch to another position or push CHANGE or SELECT Measured values are then erased 4 4 Changing settings thresholds Several variables can be set on the C A 6115N thresholds depending on the selected measurements This enables the operator to easily evaluate measurement results All of these variables are factory pre set to practical values If necessary they can be changed directly on site in the instrument However for safety reasons these modifications are lost when the C A 6115N is switched off again Each time the instrument is switched off the factory pre set values are restored If the modifications have to be permanent they must be carried out using the optional PC software for the C A 6115N Function Default variable values Insulation test Test voltage U 500 V Limit Rim 500 kQ Buzzer bu ON lim RCD test U 50 V Measurement of Z ON Display of I ON U 230 V Buzzer bu ON Earth test R lim 100 Q Lead compensation R ON Loop test Z lim 100 Q Reference voltage U ner 230 V Lead compensation R ON Continuity test Limit Rim 5 Q Lead compensation R ON Phase rotation test No variable Changing variable settings 1 Turn the selector switch to the required position 2 Press the MORE button several times in order to display the variables Change them using the CHANGE and SELECT buttons 3 To save
58. n R Z Z 2 Press the SET UP button for over 2 secs All segments on the LCD light up 3 Press the MORE button as many times as it is necessary until int is displayed Set the rate in minutes 0 1 199 9 using the buttons SELECT to select the figure to be changed CHANGE to change the selected figure between 0 9 After having set the time interval between each measurement press the SELECT button until MEM or COM flash Using the CHANGE button choose from between MEM the measured values will be stored in the memory or COM all the measurements will be transmitted to the RS232 interface NOTE If you want to print out measurements see the settings described in chapter 6 3 Printing measured values Press the TEST button to save the settings and run interval mode Stop measurement by turning the selector switch 7 SERIAL TO PARALLEL ADAPTER RS232 CENTRONICS OPTIONAL The RS232 Centronics adapter available as an option makes it possible to convert the serial interface RS232 into a parallel printer interface Centronics enabling the direct printing of all measurements on office printers in A4 format without having to use a personal computer Using the adapter SET UP 1 2 3 ourun g Switch on the instrument or turn the selector switch Press the PRINT SET UP button for over 2 secs All segments of
59. n selective mode if need be Wrong test current set Measurement not possible Voltage between the probe and PE above 70 V Voltage across probe above 70 V in relation to PE e g interference voltage foreign network Measurement not possible Non compliant probe connection R too high No probe Inversion between N and PE Warning the installation s RCD protection will not be able to work Protective conductor defective Protective conductor PE interrupted incorrectly connected or live WARNING Danger of electrocution Measurement impossible Battery discharged Charge the battery see Charging the battery 5 7 Measuring earth resistance R and Z since Software version 2 8 The instrument must be connected to the live network and the earth to be measured must not be disconnected A single auxiliary earth testing rod probe is needed saving a great deal of time compared to the traditional 2 auxiliary earth testing rod method The test is carried out by measuring the potential difference between the probe earth testing rod serving as a reference point and the earth to be measured As a function of the current injected the earth resistance going up to 10 k Q is calculated The instrument tolerates and measures parasite voltages of up to 20 V If these voltages are higher measurement is not possible In this case the probe has to be moved An automatic test of the prob
60. n voltage on the earth connection is measured in relation to the reference earth probe The earth resistance is calculated from the two values and U If using a current clamp only the current measured by the clamp is used in the calculation NOTE in case of very low parallel earth resistances the contact resistance and the lead resistance of the PE connection influences greatly the measurement result Therefore it is advisable to compensate the lead resistances at the point of connection before the measurement is carried out Please place the clamp very close to the PE connection Earth resistance with probe as per EN 61557 5 Ed 97 Measurement method Measurement of the potential difference with a probe and current DIN VDE 0413 part 7 7 82 Nominal voltage 95 145 V 175 300 V Frequency ranges 15 3 17 5 Hz 45 65 Hz Permissible overload U max 500 V measurements are not started beyond 300 V R function R Za since Version 2 8 Measurement range Resolution Q Test current Accuracy Pulses 0 15 6 99 Q 0 01 1500 mA peak l 10 of R 3 cts 0 7 19 99 Q if selective measurement 20 0 199 92 0 1 650 mA peak 15 of R 10 cts 200 1 999 kQ 1 80 mA peak if selective measurement 2 0 9 99 kQ 10 mA peak Measurement duration 3 60 Periods depending on the earth resistance and test current Probe voltage measurement range Resolution Ac
61. not be used for any other purpose 8 C A 6115 UTILITY WINDOWS SOFTWARE FOR PC OPTIONAL A Windows 3 11 or 95 or 98 or NT run software package is available as an option for the C A 6115N This software enables the saved measurements to be read off the setting of variables date time limit values etc the establishment of test protocols and the creation of text files that can be read by spreadsheet software such as EXCEL for example Installation 1 Insert disk 1 into the disk drive 2 Read the disk by means of the file manager 3 Double click on SETUP 4 Follow the instructions of the installation manager Using the software 1 Check that the speed of the RS232 interface in the instrument s SET UP menu is set to 9 6 kbauds 2 Connect the C A 6115N to your PC via the RS 232 cable Cabling see RS232 interface 3 Run the program by clicking on the C A 6115 icon 4 Switch on the C A 6115N check that the Power Down Pd setting is set to OFF in SET UP 5 How to use the software is described in the software s Help menu and in the file engred doc If you have a 15 screen it may be necessary to change the display format in the Control panel in Windows so as to have at least 800 x 600 points This will enable you to view all the software windows Display Meaning Comments Interface error Use the PC software to The data in the EEPROM reconfigure the instrument has been lost 9
62. ns Test Protective conductor to check for voltage presence or a break Voltage gt 50 V 300 V AC 16 300 Hz Measurement of the voltage difference between the contact electrode TEST button and the PE line Interruption Automatic marking and locking of the measurement at a network voltage of 90 440 V 16 65 Hz Internal resistance approx 700 kQ 5 2 3 Making a measurement 1 Connect the C A 6115N to the installation as illustrated opposite 2 Select any position with the switch except phase order determination When using the measurement cable with 3 separate leads check that the PE white lead is correctly connected 3 Touch the TEST button the user s body must not be insulated from earth do not wear insulating shoes or use a plastic object to make contact with the TEST button but rather touch an earthed element such as a water pipe The indications mean W PE with U network voltage and U pe U approximately 50 network voltage The protective conductor PE earth is interrupted or connected to high ohmic values E PE with U 0 and U pe Ur 100 network voltage The protective conductor PE earth is at network voltage L1 L2 L3 PE WARNING Risk of electrocution Power down the installation make it safe and eliminate the faults 5 3 Measuring voltage and frequency 5 3 1 AC DC voltage measurements
63. o achieve very precise measurements of low loop or network impedances the leads can be compensated see 5 11 The following table gives the maximum loop resistance values and the minimum short circuit current values based on 230 V accounting for measurement error to stay within the tolerated limits see standards Short circuit current Network voltage Loop impedance Maximum value displayed Loop impedance Network impedance Short circuit current Theoretical value Max displayed value Theoretical value Min displayed value 0 08 Q 0 056 2 2875 A 4 11 kA 0 1 2 0 075 Q 2300 A 3 07 kA 0 3 Q 0 257 Q 766 67 A 895 A 050 0 473 Q 460 A 486 A 0 7 Q 0 6664 2 328 57 A 346 A 1 02 0 949 Q 230 A 242 A 3 0 Q 2 854 Q 76 67 A 85 5 A 5 0 Q 4 73 Q 46A 48 6 A 10 0 Q 9 49 Q 23 A 24 2A 15 0 Q 14 25 Q 15 33 A 16 1 A Maximum loop impedance authorised for different protective devices according to table A1 of the DIN VDE 100 standard part 610 example Low voltage fuse as per Circuit breaker as per Circuit breaker DIN standard VDE 0636 DIN standard VDE 0641 with characteristics with characteristic L 2 8 Zs 5s la 0 2 s 5In Zs lt 0 2s 15 In Zs lt 0 2 s Q A A Q A Q 23 9 20 10 22 30 7 3 11 5 40 20 11 60 3 7 7 9 60 30 7 3 90 2 4 4 7 z 50 4 4 1 5 3 1 80 2 8 0 9 2 5 212 0 7 1 8 1 8 0 6 1 4 1 4 0 5 1 3 i 1 3 0 4 1 1 1 1 0 37 0 8 0 9 0 29 0 6 0 7 0 23 0 5 0 6 0 18 0 4 0 5
64. oad U max 500 V measurement is not started beyond this value Measuring Zs without tripping 30 mA RCD s Measurement range Resolution Accuracy 0 20 1 99 Q 0 01 Q 15 of R 3 cts 2 00 199 9 Q 0 01 01 Q 5 of R 3 cts Measuring Zs with a higher current lt 5 A for greater accuracy Measurement range Resolution Accuracy 0 080 0 500 Q 0 001 Q 10 of R 16 cts 0 500 1 999 19 99 199 9 Q 0 001 0 1 Q 5 of R 3 cts If the selective earth resistance is simultaneously measured using the earth probe and the clamp the measurement range is limited to 199 9Q See chapter 5 7 for other specifications that remain unchanged accuracy test current Measuring the earth connection voltage SEV 3569 Uref x Z Zs Measurement range Resolution Result calculation 1 Measurement of l then 0 200 V 1V 2 Measurement of Z not displayed then 3 Calculation of Z x Fault voltage Max probe resistance lt 15 kQ Max parasite voltage 70 V in relation to PE potential Measurement not started beyond these voltages Measuring Rsel with leads compensation Range Resolution Accuracy 0 0800 1 999 Q 0 001 Q 10 16 digit 2 19 99 Q 0 01 Q 10 16 digit 20 199 9 Q 0 12 20 16 digit an Short circuit current range Resolution Calculation formula Rg 0 1 A 29 9 kA 0 1A 100A kau REF 5 8 3 Performing a measure
65. ps of 0 5 to 1 033 between 6 1000 mA 3 33 of I 0 47 of R 3 33 of lan With probe Measurement range of probe voltage Resolution Accuracy 0 4 70V 1V 2 of R 1 ct Internal resistance Approximately 1 6 MQ Max probe resistance lt 15 kQ Parasite voltage Max 70 V in relation to PE potential No measurements are made beyond this voltage 5 6 3 Performing a measurement The diagram above represents a TT network It is also possible to make RCD tests on TN and IT networks Tests are always made in single phase with the instrument connected to phase neutral and earth terminals Connection to the neutral is not obligatory in such a case connect the neutral and earth test leads to the earth In that case the N PE inversion test does not work 1 Connect the instrument as illustrated use of the earth probe is optional It is necessary if you want the instrument to measure the earth resistance at the same time as carrying out the RCD test 2 Turn the selector switch to the RCD FI function on the required nominal fault current ly If you want to change the test method ramp pulse fault voltage test or the type of wave AC AC DC DC press CHANGE or SELECT to set as required The corresponding symbol is displayed These 2 buttons also enable the selection of the RCD rating in position VAR 6 1000 mA for the first 3 seconds after rotation of the se
66. rom an indication of measurement results into active voltage measurements 7 Multi function button for saving measured values MEM or for calling up saved values MR 8 Multi function button for printing out measured values PRINT or accessing the SET UP menu PROGRAMMING if pressed for longer than 2 seconds 9 2000 count LCD display 17 mm digits with automatic decimal point different symbols and units back light with auto switch off 10 Input for current clamps two 4mm safety sockets WARNING Only to be used with original clamps compliant with the EN 61010 standard with safety leads 11 Fuse for the current clamp input M 2 A 380 V 10 KA 5 x 20 mm 12 Terminal for earth probe 4 mm safety socket 13 Measurement connection terminals 3 x 4mm safety sockets A WARNING Maximum voltage in relation to earth 300 V 14 RS232 Interface 9 pole SUB D for wiring see RS232 Interface chapter 15 Mechanism for securing the lid in different positions To change the position pull the LH and RH slides simultaneously upwards and pivot the lid A CAUTION Never force the lid open 16 Carrying strap 17 Label with the technical specifications and wiring diagrams 3 USING FOR THE FIRST TIME The C A 6115N is fitted with NiMH rechargeable batteries that should be charged up before using the instrument for the first time To do this proceed as described in 9 2 Opening the instrument lid Pull the sli
67. see below E Method 2 To measure individual values for R1 R2 and R ua 1 Implement a temporary Live Earth Neutral link at the distribution board 2 Plug the adapter into the outlet socket furthest away from the distribution board 3 Select position A L E on the adapter unit and make a low Ohms measurement and note the reading 4 Next make a measurement with the switch in the B L N position and note this reading 5 Finally make a measurement with the switch in the C N E position and note this reading 6 Disconnect the temporary link at the distribution board after the test 9 3 Calculating values The different values are calculated as below Ri R2 A Ri A B C 2 R2 A B 2 R B C A 2 neutral 9 3 1 Deducting lead resistance Below are typical lead resistance values that can be deducted from A B amp C For A 0 09 Ohms typical For B 0 09 Ohms typical For C 0 06 Ohms typical It should be noted that the value of C may be higher or lower than A and B depending on the rating of the fuse in the plug 9 4 Comments on the 2 different methods E Use method 1 for routine periodic inspections where it is necessary to record the actual value for R1 R2 although normally an Earth loop impedance measurement is sufficient and arguably is a much better measurement to make EM Method 2 may be used to test the continuity of conductors in a new installation and has the advantage that a
68. space so as to completely fill each line It is thus possible to save results of measurements made under different functions insulation measurement RCD measurement earth measurement etc under the same number In both cases the internal management of the memory is based on 1 2 the save number the measurement function selector switch position 6 2 1 Saving measured values MEM 1 Carry out the required measurement and wait for the measured value to come up on the display Press on the MEM MR button to call the save function MEM flashes and the free memory save number following the last filled space is suggested for example MEM pa C44 The display of FREE means that the memory space is not occupied for the chosen function The display of OCC means that the memory space is already occupied for the chosen function If you want to change the number press on the SELECT button to select the figure to be changed and press on the CHANGE button to change this figure from between 0 and 9 If you choose a memory space number already occupied by different measurements you will be in Saving in groups mode If you choose different memory spaces each time you will be in Saving in series mode NOTE in Saving in groups mode you can press the CHANGE button for 2 seconds to return to the last save number Pressing the SELECT button selects the next 10 s digit
69. sured or save it Move the probe to 10 of the distance and repeat the measurement If the measurement remains unchanged this means that the distance is sufficient If the value does change move the probe until the value stabilises If it is not possible to plant a rod in the earth the probe lead can be connected to an earthed neutral conductor N conductor In this case the measurement accounts for the transformer earth connection resistance as per DIN VDE 0100 max 2 Q Testing installations with a maximum fault voltage of 25 V humid environments Before starting a test bring up the U voltage limit on the display with the MORE button and change the limit 25 V 50 V with the CHANGE button Comments on the selective RCD S test procedure The measurement procedure is the same as for the standard test but the calculation of measured values and the trip test as per DIN VDE 0100 is carried out on the basis of the formula R U 2 X lan the trip test is done with twice the nominal fault current Also a 30 second pause is added between the initial tests at lt 40 ln and the trip test A counter comes up on the screen and counts down the seconds from 30 to 0 When 0 comes up the RCD test is started This 30 wait can be shortened by pressing TEST again The reason for this pause is due to the design of selective RCD s which are not sensitive to overvoltages able to intervene on networks They have an energy accumu
70. t 20 V is designated as a phase and indicated by the L in the y symbol shown on the instrument s LCD screen This position indication is made in relation to the marking situated on the mains plug white point If both L segments are indicated you the voltage indications make it possible to identify the problem If the voltages L PE and N PE show the same mains voltage e g 230 V the N wire is poorly connected to phase If the voltage N PE shows half of the mains voltage e g 115 V then the N wire is not connected WARNING It cannot be assumed that contact with the conductor that is not designated by L is safe The instrument only indicates the highest voltage in relation to the PE If using the measurement cable with 3 separate leads make sure that the PE lead white is correctly connected to the network 5 1 2 Technical specifications Voltage rating 20 300 V 15 3 420 Hz Internal resistance Approx 400 kQ Maximum overload V max 500 V 5 1 3 Performing a measurement 1 Connect the C A 6115N to the installation as illustrated em L1 age Loren FIT L2 2 Select any position with the switch m L3 N Check that the white point on the mains plug can be seen from above 3 Meaning of the different indications displayed PE HE y the highest voltage in relation to the earth PE is on the left hand pin of the mains plug CB the highest volta
71. t in the tested element the measurement can produce voltages of 510 V which is hazardous for the user Always let the tested element discharge through the instrument following measurement Devices that are sensitive to overvoltages e g microprocessor controlled systems should be disconnected for safety reasons during measurement A CAUTION Insulation resistance measurements are only authorised on non live installations The absence of voltage is automatically checked for during connection If the voltage is gt 20 V measurement will not be carried out NOTE If users are connected to the network before measurements ensure that they are disconnected during the measurement on at least one terminal by removing the fuse for example If the required insulation resistance values are not achieved appliances should be completely disconnected from the network 5 5 5 Evaluation of the measurement values The table below gives the minimum values that should be displayed taking into account error in measurement so as to be sure of having sufficient insulation see standards Theoretical insulation value Minimum values displayed 100 kQ 0 107 MQ 250 kQ 0 266 MQ 500 KQ 0 531 MQ 1000 kQ 1 061 MQ 10 MQ 10 61 MQ 100 MQ 106 1 MQ 5 5 6 Error indications Display Meaning Comments U ea Measurement not possible Voltage gt 20 V on the input for example L PE Voltage present on network voltage not cut gt um measurement input
72. the LCD light up Press the MORE button as many times as it is necessary until bd baud rate is displayed Using the SELECT and CHANGE buttons choose the speed ofthe RS232 interface by changing the baud rate bd so that is displayed Press the MORE button again so that prt is displayed Use the following buttons SELECT To make the A4 A6 print format and the prt OR doc printout type flash CHANGE To select A4 or A6 print format and the Protocol prt or Document doc type of printout Note that with the A6 format only the Document type format is available To quit SET UP and save the changes made press MORE until you have gone through the whole of SET UP or press TEST If you turn the selector switch the changed parameters will not be saved after the instrument is switched off Printing with the adapter Connect the null modem RS232 cable to the C A 6115N Connect this cable to the adapter then the adapter to the printer cable Switch on the C A 6115N and wait for the voltage to be displayed Switch on the printer To start printing unsaved measurements immediate printing press PRINT after the measurement To start printing saved measurements press the PRINT button see 6 3 in Voltage measurement mode A CAUTION This adapter is exclusively designed to be used with the C A 6115N and should
73. the changes press the MORE button 4 5 SETUP General settings This mode makes it possible to adapt the general settings on the C A 6115N to the specific needs of the operator including setting standby mode on off the buzzer date time lead compensation RS232 baud rate This makes it possible to either set up the C A 6115N either as an extremely easy to use instrument that displays just the main measurement results parameters or as a more comprehensive instrument that besides displaying the main measurement results parameters also gives a number of useful secondary results parameters depending on the function selected Below is the list of general settings that are possible Standby mode on off Set to off prevents the standby mode from coming into effect saves batteries when not used for several minutes Buzzer on off Set to off prevents monitoring of limits with audible beep Date 06 05 96 Set date using SELECT and CHANGE Time AM 12 31 Set time using SELECT and CHANGE Compensation R on off Set to off removes lead compensation Baud rate 300 9 6 K RS232 interface speed When is displayed this signifies serial to parallel mode to be chosen for A4 parallel printer with optional adapter See 7 When P is displayed this means the remote control probe can be used see 4 7 Print format doc prt doc Documentation type printing prt Proto
74. the frequency is not stable In such cases one must also expect fluctuations in the values measured depending on the network voltages for example loop Z earth R RCD DDR RCD Fl etc A WARNING If the instrument is connected to the network or the red indicator is on the input terminals may be live Only connect clamps compliant with EN 61010 to these terminals with safety leads such as those supplied optionally for the C A 6115N A WARNING No foreign voltage should be applied to the clamp inputs Otherwise the protective fuse will blow and the input may be damaged 5 4 3 Performing a measurement 1 Turn the selector switch to any position and connect the clamp to the Clamp terminal DO is displayed automatically If not bring up the indication I A on the display using the MORE button 2 Connect the clamp to the circuits whose current is to be measured as shown on the connection diagram 3 Read off the measurement To save or print out the current measured a TEST RCD earth without clamp loop without clamp phase rotation should be started with the TEST button the current as well as voltages and frequency are always saved or printed with the test made To save the leakage current values at regular intervals see chapter 6 4 A WARNING The current value saved by a TEST can only be displayed when printing or transferring measurements stored in memory to a PC and spreadsh
75. tion the probe in a potential free zone at a distance of approximately 20 m from the active earths see connection diagrams Carry out the measurement reposition the probe and repeat the measurement If the measurement remains unchanged this means that the distance is sufficient If not relocate the probe until the value stabilises Measuring without the probe If it is impossible to use the probe the probe lead can be connected to the earthed neutral conductor conductor N Since the earth resistance of the transformer neutral R is included in the calculation the measurement is therefore of an excessive earth value Evaluating measurement values The table below gives the maximum values that should be displayed accounting for measurement errors to be sure of having a maximum earth resistance see standards Theoretical maximum earth resistance Ra Maximum values displayed 0 1 2 0 06 Q 0 3 Q 0 24 Q 0 5 Q 0 42 Q 0 7 Q 0 60 Q 1 02 0 88 Q 3 0 Q 2 70 Q 5 0 Q 4 52 Q 10 0 Q 9 06 Q 5 7 3 Error indications Comments Display Meaning Measurement not possible as the voltage is outside of the nominal range Comments Voltage less than 90 V Poor connection possible Voltage too high Measurement not possible frequency outside of the nominal range Frequency above 450 Hz Frequency below 15 3 Hz Measurement not possible no voltage present The installation s RCD was tripped durin
76. ton 5 Save the results using the MEM MR button or print them out using the PRINT button 4 1 Automatic checks of measurement conditions The C A 6115N automatically tests the measurement conditions before the start of each test e g Mains voltage Frequency Temperature inside the tester unit Battery charge state Lack of voltage when measuring insulation and resistance Lack of voltage on the protective conductor PE ground Correct connection of leads an earth is checked for with every measurement thanks to the TEST button If these conditions do not prove to be satisfactory for measurement to take place the instrument will not undertake any measurement and displays the reason why The values measured are also checked automatically For example should the programmed limit values be exceeded a visible and audible alarm is triggered If the fuses necessary for measurement are defective the instrument indicates on the LCD screen 4 2 Connecting the instrument On installations with mains outlet sockets use the test lead with the mains plug This way you will avoid wiring errors and make best use of all the instrument s measurement possibilities The C A 6115N automatically indicates the mains phase position It also indicates if the neutral wire is not connected with L A NOTE to avoid indication errors use only the original measurement cables For resistance insulation res
77. trip To test the permitted fault voltage on old installations 65 V with tripping a self adaptive measurement procedure is used which if the fault voltage increases reduces the permitted tripping duration to 100 ms in compliance with EN 61010 If using the earth probe parasite voltages of up to 70 V can be displayed and do not distort the measurement If the interference voltage exceeds 70 V measurement is not begun The maximum earth probe resistance tolerated is 15 kQ NOTE Unstable measurements caused by heavy disturbances in the mains supply can be reduced by making a long press on the TEST button available since Version 2 8 5 6 1 Description of the function After the test of voltages U p and U the current source is applied to the highest voltage in relation to the PE First of all the instrument circulates a current lt 40 of l so as to calculate the fault voltage and the loop resistance Z then the fault voltage U Z x without tripping the RCD If the earth probe is used the voltage of this probe is measured in a closed circuit and the fault voltage and the earth resistance are calculated from this value Next a non tripping test of the RCD is carried out automatically To do this the network is charged throughout 50 periods gt 1000 ms with 50 of ly Depending on the user s initial choice the following test is either a Ramp test to obtain the exact RCD tripping current or a Pulse

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