1、 The OPERATOR should have received trainingappropriate for this purpose.RESPONSIBLE BODY Individual or group responsible for the use and maintenanceof equipment and for ensuring that operators are adequately trained.The RESPONSIBLE BODY must ensure that this equipment is only used in the mannerspeci
2、fied. If it is not used in such a manner, the protection provided by the equipment may beimpaired.This product is not intended for use in atmospheres which are explosive, corrosive or adversely polluted (e.g. containing conductive or excessive dust). It is not intended for use in safety critical or
3、medical applications.The equipment can cause hazards if not used in accordance with these instructions. Read themcarefully and follow them in all respects.Do not use the equipment if it is damaged. In such circumstances the equipment must bemade inoperative and secured against any unintentional oper
4、ation.MICROTEST ELECTRONICS and the associated sales organizations accept noresponsibility for personal or material damage, or for any consequential damage thatresults from irresponsible or unspecified operation or misuse of this equipment.1.2 AC Power SupplyPower cable and connector requirements va
5、ry between countries. Always use a cable thatconforms to local regulations, terminated in an IEC320 connector at the instrument end.If it is necessary to fit a suitable AC power plug to the power cable, the user must observe thefollowing colour codes:The user must also ensure that the protective gro
6、und lead would be the last to break should the cable be subject to excessive strain.If the plug is fused, a 3-amp fuse should be fitted.If the power cable electrical connection to the AC power plug is through screw terminals then, to ensure reliable connections, any solder tinning of the cable wires
7、 must be removed beforefitting the plug.Before switching on the equipment, ensure that it is set to the voltage of the local AC powersupply.WARNING!Any interruption of the protective ground conductor inside or outside the equipment ordisconnection of the protective ground terminal is likely to make
8、the equipment dangerous.Intentional interruption is prohibited.1.3 Adjustment, Maintenance and RepairThe equipment must be disconnected from all voltage sources before it is opened for anyadjustment, replacement, maintenance, or repair.When the equipment is connected to the local AC power supply, in
9、ternal terminals may be live and the opening of the covers or removal of parts (except those to which access can be gained by hand) is likely to expose live parts.Capacitors inside the equipment may still be charged even if the equipment has beendisconnected from all voltage sources.Any adjustment,
10、maintenance, or repair of the opened equipment under voltage must be carried out by a skilled person who is aware of the hazards involved.Service personnel should be trained against unexpected hazards.Ensure that only fuses with the required rated current and of the specified type are used forreplac
11、ement. The use of makeshift fuses and short-circuiting of fuse holders is prohibited.1.4 Static ElectricityThe unit supplied uses static-sensitive devices. Service personnel should be alerted tocomponents which require handling precautions to avoid damage by static electrical discharge.Before handli
12、ng circuit board assemblies containing these components, personnel shouldobserve the following precautions:1) The work surface should be a conductive grounded mat.2) Soldering irons must be grounded and tools must be in contact with a conductive surface toground when not in use.3) Any person handlin
13、g static-sensitive parts must wear a wrist strap which provides a leakypath to ground, impedance not greater than 1M.4) Components or circuit board assemblies must be stored in or on conductive foam or matwhile work is in progress.5) New components should be kept in the suppliers packaging until req
14、uired for use2. IntroductionThe 6815F series of Winding Testers provide a non-destructive way to test windings using a high voltage pulse of between 500V and 10kV. By comparing the decay waveforms with a standard winding, deviation in core material, number of turns, shorted turns, and insulation bre
15、akdown can be identified.The testers measurement, display and control facilities include: memory for up to 200 standard windings auto learn for standard windings waveform area, differential area, flutter and waveform comparison full statistics for each winding stored in memory output of measurements
16、 and statistics to an Epson-compatible printer built-in High Voltage calibration and test the unit may be locked in test mode2.1 Package and Accessories2.1.1 6815F 6815F Impulse Winding Tester 2 terminal Power cord and Connector3. Installation3.1 AC Line ConnectionsThe unit is provided with a power
17、cable capable of carrying the input current for both 115V and 230V operation. This cable should be connected via a suitable connector to the local AC power supply. The colour code employed is as follows:WIRE EUROPEAN N. AMERICANLIVE BROWN BLACKNEUTRAL BLUE WHITEGROUND GREEN/YELLOW GREENThe supply vo
18、ltage setting can be checked by looking on the rear panel next to the power inletsocket. Ensure that the unit is not connected to the power supply. Adjust the switch to read therequired voltage. No adjustment is required for variation of supply frequency.Before connecting the AC power, read the prec
19、autions listed under section 1.2 AC PowerSupply.The power switch is located on the left of the front panel.The instrument is not suitable for battery operation.3.2 LocationThe instrument is intended for use on the bench. The power modules are fan cooled and caremust be taken not to restrict any of t
20、he air paths. Ensure that the unit is located in an areaappropriate for the hazardous voltages produced when testing components. See sections 3.3 and3.3 Measurement ConnectionsThis equipment is intended for use by suitably trained and competent persons.This product is capable of having hazardous vol
21、tages (up to 10kV) on its terminals innormal use. Appropriate safety precautions should be taken.This product can cause hazards if it is not used in accordance with these instructions.Read them carefully and follow them in all respects. Double check connections to the unit before use.DO NOT USE THIS
22、 EQUIPMENT IF IT IS DAMAGED.For maximum user safety, it recommended that a safety interlock is used.3.4 Safety InterlockHIGH VOLTAGEA high voltage pulse, or pulses, is applied during testing. The front panel High Voltage(H.V.) LED will light whenever a high voltage pulse is applied to the component
23、under test.ENSURE THAT THE COMPONENT UNDER TEST AND TEST LEADTERMINATIONS CANNOT BE TOUCHED DURING THE TEST CYCLE.The High Voltage (H.V.) output is inhibited until the safety interlock circuit is complete. Theterminal fixture for the winding under test should be placed within ahousing with an interl
24、ocked door controlled by a circuit such as that shown in Figure 3-2.When the fixture door is closed, and the micro switch therefore made, the High Voltage output is activated via the relay. The relay also energizes an AC supply for a solenoid which can be used to lock the door while the High Voltage
25、 output is on.4. Operationnormal use. Appropriate precautions should be taken for safety.READ SECTIONS 1 and 3 OF THIS MANUAL BEFORE USING THE 7720.4.1 The Front Panel (1) LCD Display(2) S1S6 Soft Key(3) PASS & FAIL & H.V.Indicator(4) Edit Keys(5) Measure Key TEST(6) Function Keys(7) SysKey(8) Alpha
26、-Numerical Keys(9) Power on/off switch(10) 2 terminals high voltage testing connector4.2 The Rear Panel(1) Serial Port (RS-232 Port)(2) Remote Control Port (Handler Port)(3) Printer Connection Port (Printer Port)(4) AC Input (230/115 VAC)(5) AC Input 115 or 230V Selection SwitchNoteBefore connecting
27、 to the AC power source ensure that the selector switch (5) is set to thecorrect voltage.Ensure that the AC power source is always grounded.4.3 Product IdentificationA self testing program is executed when the instrument is initially switched on. At the end ofthe self test the instrument displays th
28、e product identification graphic.4.3.1 Ready StateAt the ready state the soft keys have the following capabilities:_ S1 Brighten LCD backlight_ S2 Dim LCD backlight_ S6 System Information4.4 Keyboard4.4.1 System Control_ Func Function Menu_ Sys System Setup Menu_ Print Printing Function4.4.2 Function_ File File Management_ Learn Learn Waveform_ Item Set Item_ Stat Statistic Report4.4.3 Edit_ Alpha Numeric Data 01, AZ, /_ BS () Back Space Key_ Cursor Navigation_ Cursor Navigation_ Cursor
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