Extech Instruments 7630 Operation Manual Download | Manualshive

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102

Connect 30.0VDC and a voltmeter to Probe-HI + and Probe-LO -. When the power supply and
meter are connected, press TEST to activate the calibration. Read the measurement from your
standard and enter it using the numeric keypad. You may now store the new calibration
number by pressing the ENTER key or escape by pressing the EXIT key or the RESET button.

9.

LLT

×

1 DC range

：

Calibration of LLT MD Volts DC x 1

Connect 8.0VDC and a voltmeter to Probe-HI + and Probe-LO -. When the power supply and
meter are connected, press TEST to activate the calibration. Read the measurement from your
standard and enter it using the numeric keypad. You may now store the new calibration
number by pressing the ENTER key or escape by pressing the EXIT key or the RESET button.

10.

LLT

×

4 DC range

：

Calibration of LLT MD Volts DC x 4

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Summary of Contents for 7630

Page 1: ... Touch Current Tester Operation Manual EXTECH Electronics Co Ltd 11F 1 No 408 Ruiguang Rd Neihu District Taipei 114 Taiwan TEL 886 26570123 FAX 886 26573066 Website http www extech electronics com EVR 1 07 ...

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Page 3: ...s or replacing the assembly or the whole unit Any non authorized modifications tampering or physical damage will void your warranty Elimination of any connections in the earth grounding system or bypassing any safety systems will void this warranty This warranty does not cover batteries or accessories not of EXTECH manufacture Parts used must be parts that are recommended by EXTECH as an acceptabl...

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Page 5: ... 1 Unpacking and Inspection 13 2 2 Installation 14 2 2 1 Power Requirements 14 2 2 2 Basic Connections 14 2 2 3 Environmental Conditions 15 3 Specifications and Controls 16 3 1 Specifications 16 3 2 Front Panel Controls 28 3 3 Rear Panel Controls 30 3 4 OPT 753 HV GB Link Module 34 4 Description of Setting 36 4 1 Setup System Menu 38 4 1 1 Time and Date 38 4 1 2 Calibration Alert 40 4 1 3 Hardware...

Page 6: ...Files 82 6 2 Scanner Input Source I O Signal Control Interface 85 6 2 1 Input Source I O Signal Control Interface 85 6 2 2 Scanner I O Signal Control Interface 85 6 3 Bus Remote Interface GPIB RS 232 86 6 2 1 GPIB Messages 86 6 2 2 Functions 86 6 2 4 GPIB Connector 87 6 2 5 GPIB Address 88 6 2 6 Interface Functions 88 6 2 7 RS 232 Interface 89 6 2 8 GPIB RS 232 Interface Command List 89 6 3 IEEE 4...

Page 7: ... will be marked with this symbol when hazardous voltages may be present Product will be marked with this symbol at connections that require earth grounding Calls attention to a procedure practice or condition that could possibly cause bodily injury or death Calls attention to a procedure practice or condition that could possibly cause damage to equipment or permanent loss of data WARNING CAUTION ...

Page 8: ... voltage may appear across the two conductive materials Direct Current DC Current that flows in one direction only The source of direct current is said to be polarized and has one terminal that is always at a higher potential than the other Hipot Tester Common term for dielectric withstand test equipment Insulation Gas liquid or solid material which has a volume resistivity of at least 1012 ohm cm...

Page 9: ...r There are no user serviceable parts inside Routine maintenance or cleaning of internal parts is not necessary Avoid the use of cleaning agents or chemicals on the instrument some chemicals may damage plastic parts or lettering Any external cleaning should be done with a clean dry or slightly damp cloth Schematics when provided are for reference only Any replacement cables and high voltage compon...

Page 10: ...tain that the power wiring to the test bench is properly polarized and that the proper low resistance bonding to ground is in place Power to the test station should be arranged so that it can be shut off by one prominently marked switch located at the entrance to the test area In case of an emergency anyone can cut off the power before entering the test area to offer assistance Work Area Perform t...

Page 11: ... resistance They should recognize that the test instrument is a variable high voltage power supply with the return circuit directly connected to earth ground therefore current from the high voltage output will flow through any available ground path Rules Operators should be thoroughly trained to follow all of the aforementioned rules in addition to any other applicable safety rules and procedures ...

Page 12: ... connected to it while high voltage is being applied by the hipot When testing with DC always discharge the capacitance of the item under test and anything the high voltage may have contacted such as test fixtures before handling it or disconnecting the test leads HOT STICK probes can be used to discharge any capacitance in the device under test as a further safety precaution A hot stick is a non ...

Page 13: ... Japanese Standards Association JSI These same agencies may also require that an insulation resistance test and high current ground bond test be performed 1 5 Safety Test 1 5 1 Dielectric Withstand Voltage Test The principle behind a dielectric voltage withstand test is simple If a product will function when exposed to extremely adverse conditions it can be assumed that the product will function i...

Page 14: ...sinusoidal waveform with a frequency between 40 to 70 Hz and has a peak waveform value that is not less than 1 3 and not more than 1 5 times the root mean square value Types of Failures only detectable with a Hipot test Weak Insulating Materials Pinholes in Insulation Inadequate Spacing of Components Pinched Insulation 1 5 1 1 AC Dielectric Withstand Test Please check with the Compliance Agency yo...

Page 15: ...tive current is constantly flowing In many cases the reactive component of the current can be much greater than the real component due to actual leakage This can make it very difficult to detect products that have excessively high leakage current Another disadvantage of AC testing is that the hipot has to have the capability of supplying reactive and leakage current continuously This may require a...

Page 16: ...e equivalent DC test be performed at higher voltages than the AC test The multiplying factor is somewhat inconsistent between agencies which can cause confusion concerning exactly what equivalent DC test voltage is appropriate 1 5 2 Insulation Resistance Test Some dielectric analyzers today come with a built in insulation resistance tester Typically the IR function provides test voltages from 500 ...

Page 17: ...al of the product 1 5 4 RUN Test All manufacturers of a product that runs on line power normally need to run the DUT Device Under Test after final safety testing so that they can verify the functionality of their products In addition to running the DUT to test its basic functionality many customers also require some basic test data to be recorded while the DUT is powered up A Run Test System allow...

Page 18: ...ferent conditions The impedance of the human body will vary depending upon point of contact the surface area of the contact and the path the current flows For these reasons the specifications of the Measuring Devices are different depending upon the type of test being performed as well as the maximum allowable leakage current Leakage current measurements are performed on products under normal cond...

Page 19: ...port department will assist you in the repair or replacement of your instrument Please do not return your product without first notifying us Please retain all of the original packaging materials Contents of the Carton Inside the carton should be the following Description Part No 7630 Operation Manual Fuse 1 F2A 2S 10A Power Cord 1 WC 10 YP03 Interlock Key 2 KEY 02 A00 Please install the interlock ...

Page 20: ... 63 Hz single phase or 230 volts AC 15 47 63 Hz single phase Please check the rear panel to be sure the proper switch setting is selected for your line voltage requirements before turning your instrument on AT the same time please must use the sure fuse for the instrument It s specification is marked in rear panel of instrument Please must turn off input power to avoid dangerous before replace the...

Page 21: ...flow from High Voltage to earth ground such as from HV to the chassis of the instrument This current is inherent and will cause errors when trying to monitor very low leakage currents in the microamp range 2 2 3 Environmental Conditions Operation Environment This instrument may be operated in environments with the following limits Temperature 0 40 C Relative humidity 20 80 Altitude 6 560 feet 2 00...

Page 22: ... 0 01mA Touch Current High Low Limit DC Range 0 0uA 999 9uA 1000uA 9999uA 10 00mA 20 00mA Resolution 0 1uA 1uA 0 01mA Touch Current High Low Limit Peak Range 0 0uA 999 9uA 1000uA 9999uA 10 00mA 30 00mA Resolution 0 1uA 1uA 0 01mA DISPLAY Touch Current Imax Display RMS Auto Range Ranges MD Major Resistance is 0 5KΩ MD Major Resistance is 1KΩ MD Major Resistance is 1 5KΩ Range 1 0 0uA 64 0uA 0 0uA 3...

Page 23: ...0uA Resolution 0 1uA 0 1uA 0 1uA Range 2 15 6uA 260 0uA 7 8uA 130 0uA 5 1uA 85 0uA Resolution 0 1uA 0 1uA 0 1uA Range 3 63uA 1050uA 31 5uA 525 0uA 21 0uA 350 0uA Resolution 1uA 0 1uA 0 1uA Range 4 252uA 4200uA 126uA 2100uA 84uA 1400uA Resolution 1uA 1uA 1uA Range 5 1008uA 8399uA 8 4mA 16 80mA 504uA 8400uA 336uA 5600uA Resolution 1uA 0 01mA 1uA 1uA Range 6 1200uA 8399uA 8 40mA 20 00mA 1200uA 8399uA...

Page 24: ...0Hz 3 of reading 5 counts 2 of reading 0 2 of range 30Hz f 100kHz 2 of reading 3 counts 2 of reading 0 2 of range 100kHz f 1MHz 5 of reading 10 0uA 2 of reading 0 5 of range Range 6 1 15Hz f 100kHz 5 of reading 10 0uA 2 of reading 0 2 of range Accuracy DC 3 Range 1 5 1 DC 2 of reading 3 counts 10 0uA 2 of reading 0 2 of range Range 6 1 DC 5 of reading 10 0uA 2 of reading 0 2 of range Touch Current...

Page 25: ... 525 0uA 21 0uA 350 0uA Resolution 1uA 0 1uA 0 1uA Range 4 252uA 4200uA 126uA 2100uA 84uA 1400uA Resolution 1uA 1uA 1uA Range 5 1008uA 8399uA 8 40mA 16 80mA 504uA 8400uA 336uA 5600uA Resolution 1uA 0 01mA 1uA 1uA Range 6 1800uA 8399uA 8 40mA 30 00mA 1800uA 8399uA 8 40mA 30 00mA 1800uA 8399uA 8 40mA 30 00mA Resolution 1uA 0 01mA 1uA 0 01mA 1uA 0 01mA Accuracy AC DC Range 1 5 1 DC 2 of reading 2uA 1...

Page 26: ...kHz 10 of reading 2 counts 2 of reading 0 2 of range Touch Voltage Display RMS Auto Range Ranges MD Major Resistance is 0 5KΩ MD Major Resistance is 1KΩ MD Major Resistance is 1 5KΩ Range 1 0 0mV 32 0mV 0 0mV 32 0mV 0 0mV 32 0mV Resolution 0 1mV 0 1mV 0 1mV Range 2 28 0mV 130 0mV 28 0mV 130 0mV 28 0mV 130 0mV Resolution 0 1mV 0 1mV 0 1mV Range 3 120 0mV 525 0mV 120 0mV 525 0mV 120 0mV 525 0mV Reso...

Page 27: ...1mV Range 5 504mV 8400mV 504mV 8400mV 504mV 8400mV Resolution 1mV 1mV 1mV Range 6 600mV 8399mV 8 40V 10 00V 1200mV 8399mV 8 40V 20 00V 1800mV 8399mV 8 40V 30 00V Resolution 1mV 0 01V 1mV 0 01V 1mV 0 01V Accuracy AC DC Range 1 5 1 DC 15Hz f 100kHz 2 of reading 3 counts 100kHz f 1MHz 5 of reading 10 0mV Range 6 1 DC 15Hz f 100kHz 5 of reading 10mV Accuracy AC 2 Range 1 5 1 15Hz f 30Hz 3 of reading 5...

Page 28: ...ding 3 counts 10 0mV 2 of reading 0 2 of range Range 6 1 DC 5 of reading 10mV 2 of reading 0 2 of range Touch Voltage Display Peak Auto Range Ranges MD Major Resistance is 0 5KΩ MD Major Resistance is 1KΩ MD Major Resistance is 1 5KΩ Range 1 0 0mV 32 0mV 0 0mV 32 0mV 0 0mV 32 0mV Resolution 0 1mV 0 1mV 0 1mV Range 2 28 0mV 130 0mV 28 0mV 130 0mV 28 0mV 130 0mV Resolution 0 1mV 0 1mV 0 1mV Range 3 ...

Page 29: ...1mV 1mV Range 6 900mV 8399mV 8 40V 15 00V 1800mV 8399mV 8 40V 30 00V 2700mV 8399mV 8 40V 45 00V Resolution 1mV 0 01V 1mV 0 01V 1mV 0 01V Accuracy AC DC Range 1 5 1 DC 2 of reading 2mV 15Hz f 100kHz 10 of reading 2mV 100kHz f 1MHz 10 of reading 2mV Range 6 1 DC 2 of reading 3 counts 15Hz f 100kHz 10 of reading 2 counts Accuracy AC 2 Range 1 5 1 15Hz f 100kHz 10 of reading 2mv 100kHz f 1MHz 10 of re...

Page 30: ...z 10 of reading 2 counts 2 of reading 0 2 of range Measuring Device Module MD1 IEC60990 Fig4 U2 IEC 60950 1 IEC60335 1 IEC60598 1 IEC60065 IEC61010 IEC60990 Fig4 U1 MD2 IEC60990 Fig5 U3 IEC60598 1 IEC60990 Fig5 U1 MD3 IEC 60601 1 MD4 UL544NP UL484 UL923 UL471 UL867 UL697 MD5 UL544P MD6 UL1563 MD7 IEC60950 IEC61010 1 FigA 2 2K ohm for RUN Test MD Circuit Opt 752 External MD Frequency check Basic me...

Page 31: ...face At rear panel BNC type to connet scope for some IEC standards test requirement and application Display 320 x 240 graphic LCD LCD Contrast Setting Range 1 9 1 is lightest character 9 is darkest character Alarm Volume Setting Range 0 9 0 OFF 1 is softest volume 9 is loudest volume Security Lockout capability to avoid unauthorized access to test set up programs Calibration Software and adjustmen...

Page 32: ...trol It is applied to control Transformer Box 1931 1931S or AC Power Source 6700 6800 6400 Series Opt 752 option products 6800 Series Digital AC Power Source 6805 6810 6820 6830 6840 6700 Series Programmable AC Power Source 6705 6710 6720 6730 6740 6400 Series AC Power Source 6403 6405 6410 1931 Series Transformer Box Multi Tape of 1 0 1 06 1 1 times of input voltage 500VA 1KVA 1 8KVA 3 6KVA 1931S...

Page 33: ...that can be measure is 28 volts peak If the final measured signal is range 5 then the maximum composite signal that can be measure is 12 volts peak 2 AC cutoff frequency for High Pass Filter is 15Hz on AC only mode 3 AC cutoff frequency for Low Pass Filter is 15Hz on DC only mode ...

Page 34: ...r up and down left and right When more than 5 steps are programmed in a test file the left and right arrow keys will page through the screens of steps The screens where the paging function is available are as follows Setup Tests Perform Tests Results Summary and Results 5 ENTER KEY Key used to finalize parameter entries The ENTER key may also be used to scroll the highlighted area to different par...

Page 35: ...ivate the test that is set up in the test buffer shown on the display 11 RESET BUTTON Momentary contact switch used to reset the instrument If a failure condition occurs during a test you will need to reset the system to shut off the alarm and signal the system that you are aware of a failure condition The reset button must be pressed before you can proceed to the next test or change any of the se...

Page 36: ...rough this terminal and High Voltage is supplied to the DUT through this terminal during the Dielectric Withstand or Insulation Resistance This terminal and the N Terminal are shorted together when Dielectric Withstand or Insulation Resistance are being performed 3 N TERMINAL This output terminal is where the NEUTRAL power connection from the adapter box is plugged into the run test or Touch Curre...

Page 37: ... is an input to one side of the MD measuring device and will be enabled during a Touch Current test when ever Probe LO has been selected at setup This terminal is provided for performing Applied Part leakage tests and is always used in conjunction with the Probe HI terminal When run tests and Touch Current tests are not being performed this terminal is isolated from the run test and Touch Current ...

Page 38: ...ower mains cord 10 INPUT POWER SWITCH Line voltage selection is set by the position of the switch In the up position it is set for 115 volt operation in the down position it is set for 230 volt operation 11 REMOTE SIGNAL INPUT 9 Pin D subminiature male connector for remote control of test reset and interlock functions as well as remote program file selection 12 REMOTE SIGNAL OUTPUT 9 Pin D sub min...

Page 39: ...Arms 70mApeak 4MDS may be substituted for built in 7 kinds of common measuring devices NOTE Must connect with isolated oscilloscope to BNC connect to take waveform 17 EXTERNAL MEASURING DEVICE This compartment contains an external Measuring Device PCB This device will enable during a Touch Current test when the External is selected from the Meas Device soft key The external measuring device allows...

Page 40: ...orming Applied Part leakage tests and is always used in conjunction with the Probe HI terminal When run tests and Touch Current tests are not being performed this terminal is isolated from the run test and Touch Current test circuits 2 GND TERMINAL This terminal is where the Ground or Earth terminal from the adapter box is connected 3 CASE TERMINAL This terminal is connected to the DUT case or dea...

Page 41: ...nstrument This connection provides the return current path for the high voltage ground bond and continuity current 6 HIGH VOLTAGE OUTPUT JACK Connector used to attach the High Voltage test lead adapter box high voltage lead or test fixture high voltage lead to the instrument The connector is recessed for safety when not being used 1 2 3 4 5 6 ...

Page 42: ... suite with what was described in the previous paragraph Please refer to the section 4 1 Setup System Menu for a description of the Power On Screen parameters After pressing any key the Main Menus screen will be displayed The Main Menu screen will appear as follows At the Main Menu screen press the Perform Tests soft key The Perform Tests screen will now be displayed The Perform Test screen will a...

Page 43: ...erlock contacts are open and the Test button is pushed a pop up message will be displayed on the screen for two seconds The message will appear as follows If the Interlock contacts are opened during a test the pop up message will be displayed and the test will abort The hardware and has been configured to provide the interlock connections on pins 4 and 5 of the Remote Interface Signal Input port T...

Page 44: ...ity and Power On Screens Pressing the EXIT key at any time will return you to the Main Menu The Setup System screen will appear as follows 4 1 1 Time and Date From the System Setup screen press the Time and Date soft key The Time and Date setting screen will now be displayed From the Time and Date setting screen five different parameters may be accessed Set Date Set Time Set Day Date Format and Ti...

Page 45: ... three separate fields hours minutes and seconds The time must be set using 24 hour Military time Using the left and right arrow keys to select the field within the time parameter you want to edit Using the numeric keypad enter the new number Once you begin typing a new number the parameter will blank and the cursor will begin blinking This indicates that the parameter is being edited Once a param...

Page 46: ...e up or down arrow keys The up and down arrow keys will toggle the highlighted area of the screen between the Cal Due and Alert Date Using the left and right arrow keys and the numeric keypad enter the Calibration Due date Press the ENTER key to finish 4 1 2 2 Alert Date The Alert date is like an alarm clock that will warn you in advance of the actual calibration due date After a calibration is pe...

Page 47: ...ou will need to enter the password in order to turn off the Show this screen again parameter Selecting the Show this screen again parameter OFF will disable the Calibration Alert function Pressing the OK soft key will exit the Calibration Alert Warning screen and go to the standard introduction screen 4 1 2 3 Calibration Alert On Off From the Cal Alert setting screen you may turn the Calibration A...

Page 48: ...n the Alarm Volume LCD Contrast PLC Remote and GPIB Address Using the up and down arrow keys and the numeric keypad set the Contrast of the display Enter a number between 0 and 9 0 being the lightest color of displayed characters and 9 being the darkest color of displayed characters After the number is entered the display will automatically adjust to the new display setting 4 1 3 3 GPIB Address Op...

Page 49: ...een so that all security functions will require a password to access From the Security settings screen three different parameters may be accessed Create Password Security and File Recall If a password has already been created then the Security password screen screen on the right will appear and typing in the correct password will be required to access the Security setting screen From the password ...

Page 50: ...ange Password soft key the Password setting screen will appear 4 1 4 2 Security From the Security setting screen you may turn the Security function ON and OFF by pressing the Security soft key Selecting security ON restricts access to parameter settings The level of security is determined by the File Recall function Whenever security is selected ON Single Step and Fail Stop soft keys will be disab...

Page 51: ...ill now be displayed The Power On screen will appear as follows From the Power On screen two different parameters may be accessed 7630 Info and Main Menu 4 1 5 1 7630 Info The 7630 Information screen is the very first screen to appear when the instrument is powered up You have the option to PAUSE the instrument at this screen after power up or CONTINUE through to the next screen after the Informat...

Page 52: ... instrument is powered on it will go directly to the Perform Test screen GPIB Interface This option may be substituted for the RS232 interface This option provides all of the function control of the RS232 interface with the addition of SRQ functions All commands can be found in section 6 2 Bus Remote Interface GPIB RS 232 of this manual ...

Page 53: ...forming a 30 step sequential test from a single test file The Setup Tests screen is separated into two main sections The left half of the screen lists the steps and the parameters contained within each step The right half of the screen contains the soft key menu When more than 5 steps are programmed in a test file the left and right arrow keys will page through the screens of steps Individual step...

Page 54: ... parameters that are associated with the Edit softkey on this screen please refer to section 4 4 Test Parameters 4 2 3 Delete From the Setup Tests screen use the up down arrow keys and scroll the highlighted area to the step you wish to delete Pressing the Delete soft key will remove the step 4 2 4 Prompt The prompt function allows you to insert a short line of text in a step The prompt will appea...

Page 55: ...appear as follows 4 2 5 2 Save To save a file with its current name press the Save soft key from the File Setup screen 4 2 5 3 Save As To save an edited file without overwriting the original or to give a file a new name press the Save As soft key from the File Setup screen The Create File screen will now be displayed For a detailed description of creating a new file refer to the section 4 5 Settin...

Page 56: ... button will light and alarm will sound indicating failure during the sequence Pressing the RESET button will silence the alarm and reset the instrument Turn the Fail Stop function ON and OFF by pressing the Fail Stop soft key Fail stop is a parameter that is stored within the test file but may also be turned ON and OFF temporarily from the Perform Tests screen If security is enabled you may not t...

Page 57: ... blank when being edited When the ENTER key is pressed to accept a parameter change the highlighted area of the display will automatically move to the next parameter The lower left corner of the Test parameter setting screen displays the Range of the parameter that is highlighted Use this as a guide when setting your parameters All softkey functions in the parameter menus toggle between two condit...

Page 58: ...nstrument will not indicate that an over current limit has been exceeded until the Delay Time period has expired Leakage HI The maximum leakage current allowable through the measuring device that when exceeded triggers a failure Leakage LO The minimum leakage current allowable through the measuring device that when not exceeded triggers a failure Power HI The maximum allowable power consumption by...

Page 59: ...ameter overwrite or the EXIT key to escape from the edit and return to the original values 4 3 2 Run Test OPT 752 From the Setup Tests Tests Selection screen press the Run Test soft key The Run Test parameter setting screen will now be displayed The Run test parameter setting screen will appear as follows From the Run Test parameter setting screen the following parameters may be controlled Voltage...

Page 60: ... new parameter or press the EXIT key to escape from the edit 4 3 2 3 Delay Time and Dwell Time setting Please use the up and down arrow keys or the ENTER key and scroll the highlighted area to the Delay Time or Dwell Time parameter The display will appear as follows Delay Time Dwell Time Enter the new time via the numeric keypad and then press the ENTER key to accept the new parameter or press the...

Page 61: ...T to the neutral side of the line input The Leakage HI trip limit is used to program the maximum allowable earth leakage current of the DUT before failure The Leakage LO trip limit is used to program the minimum allowable earth leakage current of the DUT before failure The Leak HI trip limit also controls the earth leakage configuration as shown in FIG 1 When the Leakage HI trip limit is set to 0 ...

Page 62: ...is The closer the power factor is to 0 the more reactive inductive or capacitive the DUT is 4 3 2 7 PLC Control Option for Opt 752 Please use the up and down arrow keys or the ENTER key and scroll the highlighted area to the PLC Control parameter Please press PLC Control softkey to select the power mode If option AC power source to be the DUT input power there are 7 memories M1 to M7 for selected ...

Page 63: ...Test parameter setting screen will now be displayed The Touch Current parameter setting screen will appear as follows From the Touch Current parameter setting screen the following parameters may be controlled Leakage HI Leakage LO Voltage HI Delay Time Dwell Time Offset Neutral Reverse Ground Meas Device Probe Leakage More Pressing the More soft key will bring up additional parameters Leakage Exte...

Page 64: ...tage Setting Voltage HI and Voltage LO Please use the up and down arrow keys or the ENTER key and scroll the highlighted area to the Voltage HI or Voltage LO parameter The display will appear as follows Voltage HI Voltage LO Enter the new voltage via the numeric keypad and then press the ENTER key to accept the new parameter or press the EXIT key to escape from the edit 4 3 3 3 Delay Time and Dwel...

Page 65: ...kage current during a Touch Current test Using the up and down arrow keys or the ENTER key scroll the highlighted area to the Offset parameter You may now manually or automatically set an Offset value To manually set an Offset value enter a milliohm value via the numeric keypad and then press the ENTER key to accept the new value or press the EXIT key to escape from the edit To automatically set a...

Page 66: ...ely 8 0uA and 140 0u for A position OFF after TEST was pressed For A position REVERSE OFF Leakage Current 140 02 8 02 139 8uA For B position REVERSE ON Leakage Current 145 02 5 02 144 9uA So the LCD will indicates the Leakage Current is 144 9uA and Offset is 8 0uA 4 3 3 5 Line Configuration NEUTRAL REVERSE GROUND Please use the up and down arrow keys or the ENTER key and scroll the highlighted are...

Page 67: ...hen the REVERSE relay is set to ON the relay is in position B refer to Figure 2 and the Line and Neutral conductors are reversed at the DUT power outputs The power output is represented as the power receptacle in Figure 2 The three switches may be configured into eight different combinations of Line conditions The different combinations are represented in the table below refer to Figure 2 STEP NEU...

Page 68: ...62 State 2 CLOSED S2 B S3 OPEN State 3 S1 OPEN S2 A S3 OPEN State 4 S1 OPEN S2 B S3 OPEN State 5 S1 CLOSED S2 A S3 CLOSED State 6 S1 CLOSED S2 B S3 CLOSED ...

Page 69: ...pressing the Measure Device soft key will allow you to select one of the many measuring devices listed in the table below The table below indicates the available measuring devices and the appropriate agency standard to which it correlates CrossReference Letter GPIB RS 232 Command Agency Specification Application MD1 EM4 U2 EM5 U1 IEC60990 Fig 4 U1 U2 IEC60598 1 IEC60950 1 IEC60065 IEC61010 IEC6033...

Page 70: ...it Diagrams The following diagrams show the equivalent circuit of the measuring devices Leakage current readings are generated by measuring the voltage drop across these networks and dividing by the equivalent DC resistance The voltmeter is placed across the entire network of the measuring devices3 4 5 6 and 7 The voltmeter is placed across the points indicated by the solid black dots on measuring...

Page 71: ...ed leakage current will use 1000 Ω for R in the calculation of V R I where I is the leakage current displayed and V is voltage across the measuring device MD When an external frequency generator is applied to the probe inputs the current display will be equal to Voltage generator 1000 The readings can then be correlated to verify the voltmeter bandwidth Since the voltage is being applied directly ...

Page 72: ...epeatedly pressing the Probe soft key allows the selection of the four different states The four positions are described in the table below Probe Measuring Device Position Switch Agency Test Application SH SL Probe Switch Ground To Line A A A Earth Leakage Current Probe HI To Line B A A Surface to Touch Current Probe HI To Probe LO B B A Surface to Surface Leakage Current MD2 IEC60990 Fig 5 U1 U3 ...

Page 73: ...h the switch SH and SL are on the A position When the Probe is set to AUTO the system will measure the leakage current that probe switch is on A and B position Whichever is larger the LCD always displays the larger value Leakage Measuring 1 Ground To Line G L SH SL and Probe Switch are on A position 2 Ground To Neutral G N SH and SL are on A position Probe Switch is on B position 3 Probe HI To Lin...

Page 74: ... meter the leakage current in RMS or Peak The RMS Peak configuration is set by the pressing the Leakage softkey while the Leakage HI or Leakage LO parameter is highlighted RMS and Peak Definitions RMS Root Mean Square For a sine wave the RMS value is 0 707 times the peak value Peak Peak pk is the maximum value either positive pk or negative pk that the current waveform attains For a sine wave with...

Page 75: ...kage HI setting 4 3 3 12 Continuous Setting The softkey can set the output power status for step link When Continuous is on and both two link step are at the same line status the power will continue output during two steps link If Continuous is on but two link step are not at the same line status the power will stop output first after first step test is finished When Continuous is OFF whenever two...

Page 76: ... displayed 4 The Create File screen is separated into three main sections Alphabet and Symbols File Name edit and soft key menu 5 From the Create File screen you must give your new test file a name The file name can be a maximum of ten characters in length and may use any combination of the character set plus numbers To name your file use the arrow keys to scroll the highlighted area to the charac...

Page 77: ...Setup Tests screen will now be displayed which will include the parameters for the test you have just added 11 At this point you may add more tests to the sequence insert tests insert prompts perform the test sequence or store the sequence to the file name you created Adding More tests to the Sequence To add more tests to the sequence simply repeat steps 5 10 of this section Performing a Test from...

Page 78: ...area will blank and the test that was originally at this step in the sequence as well as all of following steps will increment Simultaneously Setup Test Tests Selection screen will now be displayed You may now select the type of test you wish to insert from the soft key menu Inserting a Text Prompt Refer to section 4 2 4 Prompt for a detailed description of inserting text prompts ...

Page 79: ...Instructions 5 1 Instrument Connections The following diagrams Fig 3 Fig 4 show how to connect Safety Tester to the 7630 to the device under test Figure 3 7742 DUT and 1931 Series connect to 7630 with Opt 752 Opt 753 ...

Page 80: ...to the DUT inputs This style of power distribution is a balanced type with two HOT or LINE conductors Be sure that the hot lead of the power source is connected to pin 1 L line terminal of the DUT input connector and the Reference or low voltage lead is connected to pin 2 N neutral terminal of the DUT input connector DO NOT connect a line conductor to the N or Neutral terminal of the DUT inputs Th...

Page 81: ... steps The Perform Tests screen will appear as follows The Perform Tests screen is the main operational screen of instrument From this screen individual steps are monitored while the test is being performed At the end of a sequence of tests all of the step results may be recalled via the Results soft key on this screen This screen may also be used to debug test files with the use of the single ste...

Page 82: ...er state single step is in at the time security is enabled is the state at which it shall remain 5 2 3 Fail Stop Fail Stop is a function that will stop a sequence of tests at the step if a failure occurs If the fail stop is turned ON and a failure occurs stopping the test pressing the Test button again will start the test sequence at the next step If a step fails and you wish to continue to the ne...

Page 83: ...ighted area to the step results you wish to review The left and right arrow keys may be used to page through results if the test contains more than five steps When the highlighted area is on the step you are reviewing the test settings will be displayed in the highlighted area and the results will appear on the right in the form of metering screens The result screens will appear differently for ea...

Page 84: ...y when the test process is complete and the DUT passed the test Abort This message appears on the display if the test in process is aborted with the RESET button or remote Reset control Short This message appears on the display if the DUT current is well beyond the metering range of the test Output Error This message appears on the display if the instruments output reading does not match the setti...

Page 85: ...rotection is tripped Power HI This message appears on the display if the DUT input wattage exceeds the Power HI Trip setting Power LO This message appears on the display if the DUT input wattage drops below the Power LO Trip setting PF HI This message appears on the display if the Power Factor exceeds the PF HI Trip setting PF LO This message appears on the display if the Power Factor drops below ...

Page 86: ...es that the instrument be serviced by EXTECH The customer should contact EXTECH Electronics Co Ltd to receive further instruction The following Fatal Error identification numbers will represent type of the failure that has occurred Error Code 9001 will appear on the display if the instrument has a recognizable internal component failure Error Code 9002 will appear on the display if the instrument ...

Page 87: ... I O The rear panel connector provides three output signals to remotely monitor PASS FAIL and PROCESSING conditions The monitoring signals are provided by three normally open internal relays that switch on to indicate the current condition of the tester These are normally open free contacts and will not provide any voltage or current The ratings of the contacts are 1A 125 VAC 0 5 ADC The signal ou...

Page 88: ...nd pin 7 while the TEST bottom is pressed 6 1 2 Signal Inputs of Remote I O and Programmed Test Files The 7630 remote connector enables remote operation of the TEST RESET and REMOTE INTERLOCK functions and allows the operator to select one of 10 pre programmed test files When the PLC Remote mode is on the 7630 will respond to simple switch or relay contacts closures A normally open momentary switc...

Page 89: ...ector selects the file and starts the test that is pre programmed into that file Do not connect voltage or current to the signal inputs Applying voltage to the signal input could result in damage to the control circuitry Remote Interlock 7630 is equipped with a featured referred to as Remote Interlock Remote Interlock is a feature that utilizes a set of closed contacts to enable the instruments ou...

Page 90: ...f the Remote Interface Signal Input port The instrument can still be used without the external interlock device as long as the Interlock Connector 1505 provided with unit is plugged into the Remote Interface Signal Input port If there is nothing connected to the Remote Interface Signal Input port to provide a connection to the interlock the instrument will not perform tests PLC Remote Pop up messa...

Page 91: ... be used at the same time but REMOTE OUTPUT can control 4 4 signal and SCANNER can only control 3 signal 6 2 1 Input Source I O Signal Control Interface One 9 pin D type connector is mounted on the rear panel that provides 4 I O signal control It can control the input power of DUT POWER INPUT terminal through the interface 6 2 2 Scanner I O Signal Control Interface One 25 pin connector is mounted ...

Page 92: ...nd Messages perform functions such as initializing the bus and addressing and unaddressing devices 6 2 2 Functions A GPIB device can be a Listener Talker and or Controller A Talker sends data messages to one or more Listeners which receive data A Controller manages the information flow on the GPIB by sending commands to all devices The GPIB bus is much like a computer bus except a computer has cir...

Page 93: ...es this line to mark the end of a message string and the Controller uses it to tell devices to identify their response in a parallel poll 6 2 4 GPIB Connector Connection is usually accomplished with a 24 conductor cable with a plug on one end and a connector at the other end Devices may be connected in a linear star or a combination configuration The standard connector is the Amphenol or Cinch Ser...

Page 94: ...send messages over the bus The interface functions are listed in the chart below GPIB 488 1 INTERFACE FUNCTIONS Interface Function Subset Description Source Handshake SH1 Complete Source handshake capability Acceptor Handshake AH1 Complete Acceptor handshake capability Talker T6 Talker functions unaddress if MLA Listener L4 Listener functions unaddress if MTA Service Request SR1 Complete Service r...

Page 95: ... control code if the transfer was recognized and completed by the instrument If there is an error with the command string that is sent the instrument will respond with 15 hex or 21 decimal the Not Acknowledge NAK ASCII control code The ACK or NAK response allows for software handshaking to monitor and control data flow When requesting data from the instrument it will automatically send the data ba...

Page 96: ... FN nn xxxx LIST FILE NAME work file now LF LIST FILE NAME nn LF nn FILE DELETE work file now FD FILE DELETE nn nn 01 50 FD nn FILE SAVE work file now The file number must be bigger than 0 FS FILE SAVEAS nn xxx nn 01 50 xxx name FSA nn xxxx File memory link enable Files memory link enable Step should be 30 steps and not last files FME Files memory link disable FMD File Momory state 1 enable 0 disa...

Page 97: ...fset Neutral Reverse Ground Meas Device Probe Peak RMS Continuous Extended meter Ranging mode AD DCMn Scanner READ RESET 1 OPEN 0 CLOSE RR READ INTERLOCK 1 OPEN 0 CLOSE RI STEP EDIT VOLTAGE HI nnnn 0 0 277 0V EVH nnnn EDIT VOLTAGE HI V EVH STEP EDIT VOLTAGE LO nnnn 0 0 277 0V EVL nnnn EDIT VOLTAGE LO V EVL STEP EDIT CURRENT HI nnnn 0 00 40 00A ECH nnnn EDIT CURRENT HI A ECH STEP EDIT CURRENT LO nn...

Page 98: ...0000W EPOL nnnnn EDIT POWER LO W EPOL STEP EDIT PF HI nnnn 0 000 1 000 EPFH nnnn EDIT PF HI X EPFH STEP EDIT PF LO nnnn 0 000 1 000 EPFL nnnn EDIT PF LO X EPFL Edit Leakage Mode n 1 Peak 0 RMS ELM n Edit Leakage Mode ELM STEP Edit AC DC 0 ACDC 1 AC 2 DC EACDC Edit AC DC EACDC STEP EDIT Extended meter 0 OFF 1 ON EEM EDIT Extended meter 0 OFF 1 ON EEM STEP EDIT Ranging mode 0 Manual 1 Auto ERM EDIT ...

Page 99: ...ntinue SOI n System Omnia Info SOI System Main Menu n 1 on 0 off SMM n System Main Menu n SMM 1 This function will not be existence if option OPT 754 High Measurement Range 35mArms 70mApeak 4MDs 6 3 IEEE 488 2 Common Commands These commands are required by the IEEE 488 2 standard with the exception of PSC PSC Most of these commands are not available over the RS 232 bus except for the IDN command w...

Page 100: ... on status clear flag TST Performs a self test of the instrument data memory Returns 0 if it is successful or 1 if the test fails CLS Clears the Status Byte summary register and event registers Does not clear the Enable registers OPC Sets the operation complete bit bit 0 in the Standard Event register after a command is completed successfully OPC Returns an ASCII 1 after the command is executed WA...

Page 101: ...Returns the decimal value of binary weighted sum of bits 6 3 1 Status Reporting Status reporting system is configured using two types of registers An Event Register and a Summary register The summary register is known as the Status Byte register and records high level summary information acquired by the event registers An Event register report defined conditions or messages at each bit The bits ar...

Page 102: ...Query Error ABORT 3 8 Device Error TEST IN PROCESS 4 16 Execution Error Message Available MAV 5 32 Command Error Event Summary Bit ESB 6 64 not used Request Service RQS or Master Summary Status MSS not used 7 128 Power On PROMPT ESR ESE STB SPOLL SRE ESE SRE 6 4 Non Volatile Memory The instrument saves each parameter in non volatile memory when the file save FS command is used to save the file The...

Page 103: ...e while operating in Test mode 7 1 Calibration Initialization Press and hold the calibration key on the rear panel with a pen pencil or small screwdriver while powering ON the 7630 The 7630 enters calibration mode after the power on sequence is complete The Initial Calibration screen will appear as follows The Calibration screen is separated into three sections The left half of the screen lists al...

Page 104: ...y the meter load and process information required to complete the calibration process for the selected point 1 RUN TEST Voltage Calibration of Run Test Voltage Disconnect power to the DUT I P input first With the DUT I P input open press TEST to start the Offset calibration process Connect 110VAC and a standard voltmeter to the DUT I P input then press the TEST button to activate the calibration R...

Page 105: ...ape by pressing the EXIT key or the RESET button 3 RUN TEST 4 000A Calibration of Run Test Current 4 000A Set DUT I P 120 277VAC Connect a 4Amp load at DUT output in series with current meter When the load is connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENT...

Page 106: ... escape by pressing the EXIT key or the RESET button 5 RUN TEST 1kW Calibration of Run Test Power 1kW Set DUT I P voltage to 220VAC and connect a 60 ohm load Connect power meter in series with the DUT When the load is connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressin...

Page 107: ... calibration number by pressing the ENTER key or escape by pressing the EXIT key or the RESET button 7 LLT Offset Calibration of LLT MD V Offset Disconnect all the leads When the leads are opened press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER key or escape by pre...

Page 108: ...scape by pressing the EXIT key or the RESET button 9 LLT 1 DC range Calibration of LLT MD Volts DC x 1 Connect 8 0VDC and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER key or esca...

Page 109: ...pe by pressing the EXIT key or the RESET button 11 LLT 16 DC range Calibration of LLT MD Volts DC x 16 Connect 0 5VDC and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER key or esca...

Page 110: ... by pressing the EXIT key or the RESET button 13 LLT 256 DC range Calibration of LLT MD Volts DC x 256 Connect 0 032VDC and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER key or es...

Page 111: ...by pressing the EXIT key or the RESET button 15 LLT 0 1 AC range Calibration of LLT MD Volts AC Peak x 0 1 Connect 30 0Vp AC supply and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENT...

Page 112: ...e by pressing the EXIT key or the RESET button 17 LLT 1 AC range Calibration of LLT MD Volts AC Peak x 1 Connect 8 0Vp AC supply and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER ...

Page 113: ... by pressing the EXIT key or the RESET button 19 LLT 4 AC range Calibration of LLT MD Volts AC Peak x 4 Connect2 0Vp AC supply and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER ke...

Page 114: ...by pressing the EXIT key or the RESET button 21 LLT 16 AC range Calibration of LLT MD Volts AC Peak x 16 Connect0 5Vp AC supply and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER k...

Page 115: ...y pressing the EXIT key or the RESET button 23 LLT 64 AC range Calibration of LLT MD Volts AC Peak x 64 Connect0 13Vp AC supply and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER k...

Page 116: ...the EXIT key or the RESET button 25 LLT 256AC range Calibration of LLT MD Volts AC Peak x 256 Connect0 03Vp AC supply and a voltmeter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER key or esca...

Page 117: ...T key or the RESET button 27 LLT UL544P Calibration of Touch Current Test MD UL 544P measuring device Connect 2 0VDC in series with a current meter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENT...

Page 118: ... key or the RESET button 29 LLT UL 1563 Calibration of Touch Current Test MD UL 1563 measuring device Connect 2 0VDC in series with a current meter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENT...

Page 119: ...RESET button 31 LLT IEC60990 FIG 4 Calibration of Touch Current Test MD IEC60990 FIG 4 measuring device Connect 2 0VDC in series with a current meter to Probe HI and Probe LO When the power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the E...

Page 120: ...he power supply and meter are connected press TEST to activate the calibration Read the measurement from your standard and enter it using the numeric keypad You may now store the new calibration number by pressing the ENTER key or escape by pressing the EXIT key or the RESET button ...

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