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3.2.

Instrument Controls

3.2.1.

Front Panel Controls

1.

ARC LED:

This indicator will illuminate when the Arc Detector has detected an

arcing condition. This indicator will function even when the Arc Fail has been
disabled.

2.

LOCK LED:

When the Lock LED is on, the "password" software lockout has been

enabled. This means that the users will be unable to access the "program" mode of the
instrument to change any settings. When Memory-Lock is OFF the user can change
memory locations.

3.

BUS REMOTE LED:

This indicator will light when the instrument is in the Remote

Control mode. When the BUS Remote is on the instrument is able to send and
receive signals across the GPIB IEEE-488 or USB/RS-232 bus.

4.

LCD DISPLAY:

The 2x20 character display indicates test function, memory and

step location, test parameter and failure type as well as test measurements during a
test.

5.

POWER SWITCH:

Rocker-style switch with international ON (



) and OFF (0)

markings.

6.

RESET BUTTON:

This is a momentary contact switch. If an out-of-range leakage

current condition, an arc breakdown, HI-limit, LO-Limit or ground bond failure occur
you will need to reset the system before you can proceed to the next test. Press and
release the red RESET button.

ASSOCIATED
RESEARCH, INC.

R

500VA DIELECTRIC ANALYZER

7700

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Содержание 7700

Страница 1: ...TH INSULATION RESISTANCE TESTER 7704 includes GROUND BOND TESTER 7700 includes CONTINUITY TESTER STANDARD USB RS 232 INTERFACE OPTIONAL IEEE 488 GPIB SERIAL NUMBER Models 7700 7704 Associated Research Inc 2014 13860 West Laurel Drive Lake Forest Illinois 60045 U S A Item 38701 Ver 1 16 Printed November 07 2014 ...

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Страница 3: ...6 EN 61000 3 3 1995 A1 2001 A2 2005 EN 61000 4 2 1995 A2 2000 EN 61000 4 3 2002 EN 61000 4 4 2004 EN 61000 4 5 1995 A1 2000 EN 61000 4 6 2003 EN 61000 4 8 1993 A1 2000 EN 61000 4 11 2004 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 2006 95 EC and the EMC Directive 2004 108 EC Last two digits of the year the CE mark was first affixed 05 ...

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Страница 5: ... of Safety Tests 8 1 6 1 Principles and Uses of Dielectric Withstand Testing 8 1 6 2 Insulation Resistance Test 11 1 6 3 Ground Bond Test 11 1 7 Key Features and Benefits 13 2 Getting Started 15 2 1 Unpacking and Inspection 15 2 1 1 Packaging 15 2 1 2 Contents of Carton 15 2 2 Installation 15 2 2 1 Work Area 16 2 2 2 Power Requirements 16 2 2 3 Basic Connections 16 2 2 4 Environmental Conditions 1...

Страница 6: ... 58 5 7 2 AC Withstand Displayed Messages 59 5 7 3 DC Withstand Displayed Messages 61 5 7 4 Insulation Resistance Displayed Messages 64 6 Remote Control 66 6 1 Signal Outputs on Remote I O 66 6 2 Signal Inputs on Remote I O and Memory 67 7 Adapter Box Connection 69 8 Bus Remote Interface GPIB RS 232 70 8 1 A Brief History of IEEE 488 70 8 2 GPIB Messages 70 8 3 Functions 71 8 4 Signals and Lines 7...

Страница 7: ...3 6 Calibration of AC 3 5mA Range 92 10 3 7 Calibration of DC 3500 A Range 93 10 3 8 Calibration of DC 350 A Range 93 10 3 9 Calibration of IR XXX XM range 94 10 3 10 Calibration of IR XXXXM range 94 10 3 11 Calibration of Ground Bond AC Voltage Model 7704 only 94 10 3 12 Calibration of Ground Bond AC Current Model 7704 only 95 10 3 13 Calibration of Real Current for units with option 51 only 95 1...

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Страница 9: ...o obtain an RMA number It is important that the instrument is packed properly for safe transport Please contact our customer support center for proper instructions on packaging Damages sustained as a result of improper packaging will not be honored Transportation costs for the return of the instrument for warranty service must be prepaid by the customer AR will assume the return freight costs when...

Страница 10: ...ill be marked with this symbol when hazardous voltages may be present Product will be marked with this symbol at connections that require earth grounding 1 2 2 Caution and Warning Symbols 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 permanen...

Страница 11: ...erials 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 Hypot Registered trademark of Associated Research Inc for its dielectric withstand test equipment Insulation Gas liquid or solid material which...

Страница 12: ...damp cloth Schematics when provided are for reference only Any replacement cables and high voltage components should be acquired directly from Associated Research Inc Refer servicing to an Associated Research Inc authorized service center ASSOCIATED RESEARCH INC 13860 WEST LAUREL DRIVE LAKE FOREST IL 60045 4546 U S A PHONE 1 847 367 4077 1 800 858 TEST 8378 FAX 1 847 367 4080 E MAIL info asresearc...

Страница 13: ...he product or component being tested is small it may be possible to construct guards or an enclosure around the device to be tested Construct the guards of a non conducting material such as clear acrylic so that the item being tested is within the guards or enclosure during the test If possible the guards or enclosure should also contain safety switches that will not allow the tester to operate un...

Страница 14: ...ith heart ailments or devices such as pacemakers should be informed that the voltages and currents generated by the instrument are very dangerous If contacted it may cause heart related problems that a person of good health may not experience Please have the test operator consult their physician for recommendations 1 4 4 Instrument Connections Never perform a hipot test on energized circuitry or e...

Страница 15: ...a non conducting rod about two feet long with a metal probe at the end that is connected to a wire To discharge the device under test two hot sticks are required First connect both probe wires to a good earth ground Then touch one probe tip to the same place that the return lead was connected While holding the first probe in place touch the second probe tip to the same place where the high voltage...

Страница 16: ...nce test and high current ground bond test be performed 1 6 The Different Types of Safety Tests 1 6 1 Dielectric Withstand 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 in normal operating circumstances Common Applications of the Dielectric Withstand Te...

Страница 17: ...are value Types of Failures only detectable with a Hipot test Weak Insulating Materials Pinholes in Insulation Inadequate Spacing of Components Pinched Insulation Dielectric Withstand Test AC verses DC Please check with the Compliance Agency you are working with to see which of the two types of voltages you are authorized to use In some cases a Compliance Agency will allow either AC or DC testing ...

Страница 18: ...t 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 current output that is actually much higher than is really required to monitor leakage current and in most cases is usually much higher than would be needed with DC testing This can ...

Страница 19: ...in conditions require an IR test on the product before a Hipot test is performed This typically is not a production line test but a performance design test The insulation resistance test is very similar to the hipot test Instead of the go no go indication that you get with a hipot test the IR test gives you an insulation value usually in Megohms Typically the higher the insulation resistance value...

Страница 20: ...lts Maximum allowable resistance readings of the safety ground circuit are normally between 100 and 200 milliohms If you are testing a product that is terminated in a three prong plug you are required to perform a continuity or ground bond test on the ground conductor to the chassis or dead metal of the product IF YOU SHOULD HAVE ANY QUESTIONS RELATING TO THE OPERATION OF YOUR INSTRUMENT CALL 1 80...

Страница 21: ... Ground Bond testing channels for use with the HypotMAX 7704 A single 2 x 20 LCD display provides a clear indication of all test results and setup parameters This single easy to view and simple to interpret LCD display allows the operator to monitor all test activity All setup parameters can be adjusted through a simple menu driven program with hot keys to quickly access all functions by using the...

Страница 22: ... up completely through simple PLC control Up to 100mA of current is available in AC Hipot mode and 3500 µA in DC Hipot mode with resolutions of 10 microamps in AC and 1 microamp in DC This makes these instruments true Hipot testers with enough output current to test even highly capacitive loads while allowing them to be versatile enough to monitor leakage current of items with very low leakage mea...

Страница 23: ...rument Please do not return your product without first notifying us and receiving an RMA return material authorization number To receive an RMA number please contact our customer support department at 1 800 858 8378 2 1 2 Contents of the Carton Inside the carton should be the following Description AR Part Number HypotMAX Instrument 7700 or 7704 High Voltage Cable 04040A 08 High Current Output Cabl...

Страница 24: ...5A number 14 gauge wire or larger and the length of the cord does not exceed 2 m must be used For European A certified power supply cord not lighter than light PVC sheathed flexible cord according to IEC 60227 designation H03 VV F or H03 VVH2 F for equipment mass not exceeding 3 kg or H05 VV F or H05 VVH2 F2 for equipment mass exceeding 3 kg and be rated for at least 3G 0 75 mm for rated current u...

Страница 25: ... lifted by one individual or requires additional support Make sure that your balance is centered and your feet are properly spaced shoulder width apart behind the instrument Bend at the knees and make sure your back is straight Grip the instrument with your fingers and palms and do not lift unless your back is straight Lift up with your legs not your back Keep the instrument close to your body whi...

Страница 26: ...t may be impaired Storage and Shipping Environment This instrument may be stored or shipped in environments with the following limits Temperature 40 167 F 40 75 C Altitude 50 000 feet 15 240 meters The instrument should also be protected against temperature extremes that may cause condensation within the instrument ...

Страница 27: ...uracy 2 of setting 5 volts Ramp HI 12mA peak maximum ON OFF selectable Charge LO Range 0 0 350 0 A DC or Auto set HI Limit AC Range 0 00 99 00 mA Resolution 0 01 mA step DC Range 0 9999 A Resolution 1 A step Accuracy AC or DC 2 of setting 2 counts LO Limit AC Range 0 000 9 999 mA Resolution 0 001 mA step DC Range 0 0 999 9 A Resolution 0 1 A step Accuracy AC or DC 2 of setting 2 counts Arc Detecti...

Страница 28: ... Accuracy 2 of reading 60uA DC Output Ripple 4 Ripple RMS at 6 KV DC 3 5 mA Resistive Load Discharge Time 200 ms Maximum Capacitive Load DC Mode 1uF 1KV 0 75uF 2KV 0 5uF 3KV 0 08uF 4KV 0 04uF 5KV AC Output Wave Form Sine Wave Crest Factor 1 3 1 5 Output Frequency Range 60 or 50 Hz User Selection Accuracy 1 Output Regulation 1 of setting 5 volts from no load to full load Dwell Timer Range 0 0 3 999...

Страница 29: ...ution 1 volt step Accuracy 2 of reading 2 counts Resistance Display Range 1 9999 M 4 Digit Auto Ranging Resolution 500VDC 1000VDC M M M 0 001 1 000 5 388 1 000 9 999 0 01 1 40 53 88 2 80 99 99 0 1 14 0 538 8 28 0 999 9 1 104 9999 280 9999 Accuracy 2 of reading 2 counts at test voltage 500 1000V and 1 1000 M 8 of reading 2 counts at test voltage 500 1000V and 1000 9999 M 8 of reading 2 counts at te...

Страница 30: ...22 Ground Fault Interrupt GFI Trip Current 450 A max AC or DC HV Shut Down Speed 1 ms ...

Страница 31: ...lay Range 0 00 30 00 Amps Resolution 0 01 Amp step Accuracy 3 of Reading 0 03 A Resistance Display Range 0 600 m Resolution 1 m step Accuracy 2 of Reading 2 m HI Limit Range 0 600 m for 3 10 A 0 150 m for 3 30 A Resolution 1 m step Accuracy 2 of Setting 2 m LO Limit Range 0 600 m for 3 10 A 0 150 m for 3 30 A Resolution 1 m step Accuracy 2 of Setting 2 m Dwell Timer Range 0 0 5 999 9 sec 0 Constan...

Страница 32: ... the numeric key on the front panel Calibration Software and adjustments are made through front panel Mechanical Bench or rack mount with tilt up front feet Dimension 7700 and 7704 W x H x D 17 x 5 8 x 16 5 in 432 x 147 x 419 mm Weight 7704 68 75 lbs 31 25 Kgs 7700 61 65 lbs 28 Kgs Why use the term Counts Associated Research publishes some specifications using COUNTS which allows us to provide a b...

Страница 33: ...ontrol mode When the BUS Remote is on the instrument is able to send and receive signals across the GPIB IEEE 488 or USB RS 232 bus 4 LCD DISPLAY The 2x20 character display indicates test function memory and step location test parameter and failure type as well as test measurements during a test 5 POWER SWITCH Rocker style switch with international ON and OFF 0 markings 6 RESET BUTTON This is a mo...

Страница 34: ... you wish to go from the Remote operation of the instrument to the Local mode 12 FUNCTION KEYS Use these keys to select the test function that will be performed for the memory and step indicated The four selections are AC W AC Withstand Test DC W DC Withstand Test INSULATION Insulation Resistance Test G BOND Ground Bond Test 13 EXIT PARAMETER KEY Use this key to exit any menu or to clear an unwant...

Страница 35: ... safety when this lead is not being used 19 HIGH VOLTAGE ON INDICATOR This indicator flashes to warn the operator that high voltage is present at the high voltage output terminal 20 RETURN OUTPUT JACK For the connection of the detachable 5 foot 1 52 m return test lead This lead is always used when performing a test On model 7704 this jack will carry high current for the Ground Bond test 21 CURRENT...

Страница 36: ...ent 6 HIGH VOLTAGE OUTPUT JACK For the connection of the detachable 5 foot 1 52 m high voltage test lead The silicone rubber insulation is flexible for easy handling and is rated at 30KVDC The jack is recessed for safety when this lead is not being used 7 RETURN OUTPUT JACK For the connection of the detachable 5 foot 1 52 m return test lead This lead is always used when performing a test On model ...

Страница 37: ... are 115V and 230V input For 115V input place the left switch in the up position and the right switch in the down position For 230V input place both switches in the up position 10 INPUT POWER RECEPTACLE Standard IEC 320 connector for connection to a standard NEMA style line power mains cord 11 CHASSIS GROUND EARTH TERMINAL This terminal should be connected to a good earth ground before operation 1...

Страница 38: ...e as follows DEFAULTS Function Parameter Value ACW Voltage 1240VAC HI Limit 10 00mA LO Limit 0 000mA Ramp Time 1 0s Dwell Time 1 0s Frequency 60Hz Arc Sense 5 Arc Fail OFF Scanner OOOOOOOOOOOOOOOO Connect OFF Continuity 7700 only OFF DCW Voltage 1500VDC HI Limit 3500 A LO Limit 0 0 A Ramp Time 1 0s Dwell Time 1 0s Ramp HI OFF Charge LO 0 0 A Arc Sense 5 Arc Fail OFF Scanner OOOOOOOOOOOOOOOO Connec...

Страница 39: ...een selected on the rear panel Connect the power input plug into its socket on the rear panel of the instrument Connect the male end of the plug to the outlet receptacle Please be sure that the safety ground on the power line cord is not defeated and that you are connecting to a grounded power source Turn on the POWER switch located on the lower left hand side of the front panel Upon powering the ...

Страница 40: ...tion to the interlock the instrument will not perform tests Please check your connections to be sure they are making good contact Clear the area of any debris that may create a hazardous situation and ask any unnecessary personnel to leave the area DO NOT TOUCH THE DEVICE UNDER TEST ONCE THE TEST HAS BEEN STARTED To initiate the test press the GREEN test button on the front panel This is a momenta...

Страница 41: ...screen and wait to enter the new password If the Password is Disabled Password is set 0 the display will show Key Lock O N ENTER to Select or Key Lock O F F ENTER to Select Use the ENTER key to select the Key Lock mode then press the EXIT key The program will switch the Key Lock function from LOCK to UNLOCK or UNLOCK to LOCK mode and advance the program to the Operation mode automatically If the K...

Страница 42: ...Step 2 Step 8 ACW ACW ACW DCW DCW DCW IR IR IR G Bond G Bond G Bond Memory 2 Step 1 Step 2 Step 8 ACW ACW ACW DCW DCW DCW IR IR IR G Bond G Bond G Bond Memory 50 Note On model 7700 disregard the location for G Bond parameters The Continuity parameter is stored within the ACW and DCW functions as a single setting for both modes 4 1 3 Memory Program Selection Press the MEMORY key the display will sh...

Страница 43: ...oing to setup the Test Parameters make sure that the Keyboard is in the Unlock mode then follow this procedure to setup the Test Parameters 4 2 1 AC Withstand Test Parameter Setting Press the ACW key and the display will show ACW Set XXX X s MXX X X XX KV XX XX mA Note X Numeric ACW Set AC Withstand Voltage test setting screen XXX X s Dwell Time setting MXX Memory Program number X Test Step number...

Страница 44: ...ve been set LO Limit Current setting Advance the menu to the LO Limit parameter The display will show LO Limit X XXX mA Range 0 000 9 999 Use the Numeric keys to enter the LO Limit setting then press the ENTER key The program will store the LO Limit setting and advance to the Ramp Time parameter automatically The unit is mA and 0 001 mA per step Press the EXIT key to exit from the setting mode to ...

Страница 45: ...til a reset is executed or a failure occurs Frequency Selection Advance the menu to the Frequency parameter and the display will show Frequency 60 Hz ENTER to Select or Frequency 50 Hz ENTER to Select Use the ENTER key to select the Output Frequency then press the or key to advance to another test parameter or press the EXIT key to exit from the setting mode to the operation mode Arc Sensitivity s...

Страница 46: ...or L Use the Numeric keys to enter the status of High Open or Low for each scanner channel then press the ENTER key The program will store the Scanner Channel status and advance to the Connection setting automatically The following table is the cross reference of the numeric keys which are used for the Scanner channel setting Channel Status Numeric Key Description H High 1 Connected to High Voltag...

Страница 47: ... Time setting MXX Memory Program number X Test Step number X XX KV DC Output Voltage setting XXXX A DC High Limit current setting Use the or arrow keys to progress through the test parameters menu The key will advance forward and key will advance backward The sequential forward menu items are Voltage HI Limit LO Limit Ramp Time Dwell Time Charge LO Ramp HI Arc Sense Arc Fail Scanner Set Offset Con...

Страница 48: ...hen press the ENTER key The program will store the LO Limit setting and advance to the Ramp Time parameter automatically The unit is A and 0 001 A per step Press the EXIT key to exit from the setting mode to the operation mode if all parameters have been set The LO Limit will be disabled during the Ramp Up period If the LO Limit is set to 0 the LO Limit is disabled Ramp Time setting Advance the me...

Страница 49: ...the Output is activated If the charging current is lower then the setting the test cables may not be connected properly This instrument can set the Charge LO value manually or automatically To set the Charge LO value manually use the numeric keys to enter the Charge LO current setting and then press the ENTER key The program will store the Charge LO setting and advance to the Ramp HI parameter The...

Страница 50: ... Ramp period only Ramp HI will allow current higher than the normal HI Limit current setting of the DC Withstand Voltage test to avoid false failure due to charging current Arc Sensitivity setting and Arc Fail selection Advance the menu to the Arc Sense parameter The display will show Arc Sense 1 9 Range 1 9 9 High Use the Numeric keys to enter the Arc Sense setting then press the ENTER key The nu...

Страница 51: ...nce of the numeric keys which are used for the scanner channel setting Channel Status Numeric Key Description H High 1 Connected to High Voltage Output L Low 0 Connected to Return O Open Not connected to High Voltage or Return The Channel setting will start from Channel 1 on the left end and stop at Channel 16 on the right end The program will set any unassigned channel s to OPEN automatically aft...

Страница 52: ...to progress through the test parameters menu The key will advance forward and key will advance backward The sequential forward menu items are Voltage Charge LO HI Limit LO Limit Delay Time Scanner Set Connect Insulation Resistance Output Voltage setting Advance the menu to the Voltage parameter The display will show Voltage XXXX V Range 0 6000 Use the Numeric keys to enter the voltage setting then...

Страница 53: ... and 0 001 A per step To use Auto Set be sure that the test parameter of Output Voltage has been set to the values that will be used for the final test and connect the test cables and or test fixture between the instrument and DUT If the scanner is to be used then the scanner channel must also be set Then press the TEST button The instrument will apply the voltage that has been entered for this me...

Страница 54: ...utomatically The unit is M and 1 M per step Press the EXIT key to exit from the setting mode to the operation mode if all parameters have been set Delay Time setting Advance the menu to the Delay Time parameter The display will show Delay Time XXX X s Range 0 5 999 9 0 Constant Use the Numeric keys to enter the Delay Time setting then press the ENTER key The program will store the Delay Time setti...

Страница 55: ... L Low 0 Connected to Return O Open Not connected to High Voltage or Return The Channel setting will start from Channel 1 on the left end and stop at Channel 16 on the right end The program will set any unassigned channel s to OPEN automatically after pressing the ENTER key Therefore it is necessary to set only the channels that are required for the test If the external Scanner is not connected th...

Страница 56: ...e the Numeric keys to enter the Current setting then press the ENTER key The program will store the Current setting and advance to the Output Voltage parameter automatically The unit is amps and 0 01A per step Press the EXIT key to exit from the setting mode to the operation mode if all parameters have been set Output Voltage setting Advance the menu to the Voltage parameter The display will show ...

Страница 57: ...The program will store the LO Limit setting and advance to the Dwell Time parameter automatically The unit is m and 1 m per step Press the EXIT key to exit from the setting mode to the operation mode if all parameters have been set If the LO Limit is set to 0 the LO Limit is disabled Dwell Time setting Advance the menu to the Dwell Time parameter The display will show Dwell Time XXX X s Range 0 5 ...

Страница 58: ... Set parameter The display will show Scanner CH X Range 1 16 0 OFF Use the Numeric keys to enter the scanner channel number then press the ENTER key The program will store the scanner channel number and advance to the Offset parameter automatically If the external Scanner is not connected it is not necessary to enter this parameter Press the EXIT key to exit from the setting mode to the operation ...

Страница 59: ...this value for the Offset setting Each step has its own individual Offset value and must be set separately This allows the user to compensate for different lead lengths when using a scanner or external fixturing for Ground Bond testing Then press the or key to advance the program to another test parameter setting or press the EXIT key to exit from the setting mode to operation mode Step Connection...

Страница 60: ...have the GPIB interface card the program will advance to the contrast setting or press the EXIT key to exit from the PLC Remote selection to the operation mode The instrument will store the selection of PLC Remote automatically If the Remote Control is set to ON the test function will be controlled by the Remote Control via the remote connectors located on the rear panel The TEST button on the fro...

Страница 61: ...e EXIT key to exit from the LCD Contrast setting to the operation mode The program will store the Contrast setting automatically The LCD Contrast level is from 1 9 a total of 9 levels Level 1 is the lowest contrast and level 9 is the highest contrast Audible Alarm Volume setting Press the Setup key to advance the menu to the Volume parameter The display will show Volume X Range 0 9 0 OFF 9 High Th...

Страница 62: ...pressing the TEST button will continue the test process at the next step Pressing the RESET button and then the TEST button will start the test process from the first step If the Fail Stop is set to OFF the instrument will continue to complete the entire test process even if there were failed steps during the test The display will show the results of each step at the end of test process as follows...

Страница 63: ...as follows ARI HYPOTMAX 7704 VER X X Note X Numeric Then all status LEDs will light up and the Scanner status LEDs will light sequentially if the internal scanner has been installed The program will then recall the Memory and Step which was last executed 5 3 Settings Screen The settings screen will show parameter settings of the test that will be performed and the memory locations that they are st...

Страница 64: ...g If the first step selected is a DC Withstand test the display will show DCW Set XXX X s M25 1 X XX KV XXXX A DCW Set DC Withstand Voltage test setting screen XXX X s Dwell Time setting MXX Memory Program number X Test Step number X XX KV DC Output Voltage setting XXXX A DC High Limit current setting If the first step selected is an Insulation Resistance test the display will show IR Set XXX X s ...

Страница 65: ...nnect the Cont Check cable since this test will not be performed if the circuit is disabled The instrument will proceed with the Hipot Test when the TEST button is activated Press the TEST button to activate the test process or press the MEMORY key to recall the new Test Parameters for testing 5 5 Smart GFI Ground Fault Interrupt The High Voltage power supply of the instrument is internally refere...

Страница 66: ... 8 test that are executed can be reviewed by pressing the Enter Review key Successive key presses will continue advancing to the next result The results of the last step in the process will be followed by the first step when scrolling through the results If two or more memories are connected together more than an 8 step process then only the first 8 steps executed in the process will be stored int...

Страница 67: ...he display will show GND HI Limit XXX X s MXX X 0 00 A 600 m If the DUT resistance falls below the LO Limit of the Ground Bond test the display will show GND LO Limit XXX X s MXX X XX XX A XXX m When the DUT passed the Ground Bond test when the test process is complete the display will show GND Pass XXX X s MXX X XX XX A XXX m 5 7 2 AC Withstand Displayed Messages If the test in process is Aborted...

Страница 68: ...XX KV XX XX mA If the ramp time is very short and the program has not read the meter readings the display will show ACW Dwell XXX X s MXX X KV mA If the DUT current exceeds the HI Limit of AC Withstand Voltage test and the leakage current is within the metering range the display will show ACW HI Limit XXX X s MXX X X XX KV XX XX mA If the DUT current exceeds the HI Limit of AC Withstand Voltage te...

Страница 69: ...n Arcing current exceeds the Arc Sense limit and the Arc function is set to ON then an Arc failure has occurred and the display will show ACW Arc Fail XXX X s MXX X X XX KV XX XX mA If the GFI threshold is exceeded during of the AC Withstand Voltage test the display will show ACW GND Fault XXX X s MXX X X XX KV XX XX mA When the DUT passed the AC Withstand Voltage test when the test process is com...

Страница 70: ...le the display will show DCW Ramp XXX X s MXX X X XX KV XXXX A During the DC Withstand Voltage test when the values are being updated in real time during the Dwell cycle the display will show DCW Dwell XXX X s MXX X X XX KV XX XX A If the Ramp time is very short and the program has not read the meter readings the display will show DCW Dwell XXX X s MXX X KV A If the Ramp HI function is enabled and...

Страница 71: ...T current is well beyond the metering range of DC Withstand Voltage test and an Arcing condition beyond the Arc Sense limit is indicated the display will show DCW Breakdown XXX X s MXX X X XX KV 9999 A If the DUT current falls below the LO Limit of DC Withstand Voltage test and the leakage current is within the metering range the display will show DCW LO Limit XXX X s MXX X X XX KV XXX X A If the ...

Страница 72: ... or IR Abort XXX X s MXX X XXXX V M At the beginning of Insulation Resistance test when the voltage begins to ramp but before the meter readings are taken the display will show IR Delay XXX X s MXX X V M During the Insulation Resistance test when the values are being updated in real time during the Delay cycle the display will show IR Delay XXX X s MXX X XXXX V XXXX M If the leakage current during...

Страница 73: ...isplay will show IR LO Limit XXX X s MXX X XXXX V XXXX M If the DUT current falls below the LO Limit of Insulation Resistance test and the resistance is below the metering range the display will show IR LO Limit XXX X s MXX X XXXX V 1M If the GFI threshold is exceeded during of the Insulation Resistance test the display will show IR GND Fault XXX X s MXX X XXXX V XXXX M When the DUT passed the Ins...

Страница 74: ...N CONTACT for plug 745253 7 CRIMP SNAP IN SOCKET CONTACT for receptacle 745171 1 SHIELDED CABLE CLAMP for either plug or receptacle 747784 3 JACKSCREW SET 2 Remote Interface Rear Panel 6 1 Signal Outputs on Remote I O The rear panel connector provides output signals to remotely monitor PASS FAIL and PROCESSING conditions These signals are provided by three normally open internal relays that switch...

Страница 75: ...rlock functions and allows the operator to select one of three pre programmed tests When the remote function is ON the TEST switch on the front panel will be disabled to prevent a test from being activated through the test switch A normally open momentary switch can then be wired across pins 3 and 5 to allow remote operation of the TEST function A normally open momentary switch can also be wired a...

Страница 76: ... words if the Interlock contacts open the output of the instrument will be disabled Remote Interlock could also be referred to as a remote system lockout utilizing Fail When Open logic If the Interlock 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 Interlock Is Open If the Interlock contacts are op...

Страница 77: ...tinuity function on the instrument When the HypotMAX 7700 tests the ground conductor of the line cord if the resistance of the ground conductor exceeds 1 the hipot will signal a continuity failure If continuity is present high voltage is applied to both conductors of the line cord to insure that all current carrying conductors in the primary circuit are tested When testing products with two prong ...

Страница 78: ...s the same command list as the GPIB with the exception of the SRQ functions 8 1 A Brief History of IEEE 488 Hewlett Packard designed in 1965 the Hewlett Packard Interface Bus HP IB to connect their line of programmable instruments to computers This bus had high transfer rates nominally 1 Mbytes s and thus quickly gained acceptance Later it was accepted as the IEEE Standard 488 1975 and has since e...

Страница 79: ...ly control lines Referred to as three wire interlocked handshake This guarantees that message bytes on the data lines are sent and received without transmission error NRFD not ready for data indicates when a device is ready or not ready to receive a message byte NDAC not data accepted indicates when a device has or has not accepted a message byte DAV data valid tells when the signals on the data l...

Страница 80: ...paration of 2 m over the entire bus A maximum total cable length of 20 m No more than 15 device loads connected to each bus with no less than two thirds powered on Note A bus extender which is available from numerous manufacturers is available to overcome these limitations 8 6 Interface Functions The capability of a device connected to the bus is specified by its interface functions These function...

Страница 81: ... 8 data bits 1 stop bit no parity This interface does not support XON XOFF protocol or any hardware handshaking The controller should be configured to ignore the handshaking lines DTR pin 4 DSR pin 6 CTS pin 8 and RTS pin 7 If the port can not be configured through software to ignore the lines then the handshake lines should be jumpered together in two different sets Pins 4 and 6 jumpered together...

Страница 82: ...74 accumulate data being sent from the instrument including the echo response string until it is read by the controller ...

Страница 83: ...CW Function Select FE IR Function Select FF GND Function Select 7704 only FG ACW DCW Continuity On 7700 Only x FH ACW DCW Continuity Off 7700 Only x FI ACW 60Hz x FJ ACW 50Hz x FK ACW Arc Fail On x FL ACW Arc Fail Off x FM DCW Arc Fail On x FN DCW Arc Fail Off x FO GND 60hz 7704 only x FP GND 50hz 7704 only x FQ Connect On FR Connect Off FS Fail Stop On FT Fail Stop Off FU GND Auto Offset 7704 onl...

Страница 84: ... 0 000 9 999 mA SD Ramp Time 0 1 999 9 S SE Dwell Time 0 0 3 999 9 S SF Arc Sense 1 9 SG Scanner H Hi L Low O Open up to 16 channels DCW Command Parameter Value Unit SI Voltage 0 6000 V SJ HI Limit 0 3500 A SK LO Limit 0 0 999 9 A SL Ramp Time 0 4 999 9 S SM Dwell Time 0 0 3 999 9 S SO Charge LO 0 0 350 0 A SP Arc Sense 1 9 SQ Scanner H Hi L Low O Open up to 16 channels IR Command Parameter Value ...

Страница 85: ... when executed For every command written a corresponding read command of the appropriate byte length shown below must be executed to retrieve the data from the instrument Command Read Data Function Read Bytes Description 1 Step Buffer 1 40 Read the 2 x 20 display results of the first test executed 2 Step Buffer 2 40 Read the 2 x 20 display results of the second test executed 3 Step Buffer 3 40 Rea...

Страница 86: ...ignments are as follows BIT 7 6 5 4 3 2 1 0 Function NA RQS NA NA ERROR ABORT FAIL PASS The appropriate SRQ bit will be active or 1 when the SRQ function has been enabled and the condition is true Bit 6 is the RQS bit and will be active when the instrument has detected that an enabled SRQ event has occurred and therefore has requested service Bit 4 5 and 7 are not used and will be set to false or ...

Страница 87: ...unction has been selected All ports not being specifically set will automatically be set to O open To read the 2 x 20 display first send the string K then send the GPIB command to read 40 bytes The instrument will send 40 bytes one byte for each character on the display including spaces 8 12 Non Volatile Memory The instrument saves each parameter in non volatile memory when the parameter is change...

Страница 88: ...l be an option label on the rear panel of the unit The option label contains an option s code that may be cross referenced to the Options List For example your options code would appear as follows fitted with option 03 OPT 03 fitted with option 03 and 06 OPT 0306 7700 7704 Options Option List Code Description 03 High Resolution IR Megohm meter 50K 06 Dual Remote Test Switches 08 Printer Port 12 En...

Страница 89: ...99 99 M The calibration menus for the IR test XXX XM and XXXXM ranges have been eliminated All calibration for this IR option is accomplished through DC withstand current calibration Please refer to the calibration procedures for details 06 Dual Remote Test Switches The Dual Remote Test Switch option allows the user to configure dual palm switches for safe production line operation The rear panel ...

Страница 90: ... ON the printer output will generate data every time the test has completed and will also enable two other menus to configure the Print Mode and the Print Number When Auto Print OFF the user must press the LOCAL PRN key on the lower left section of the keypad to generate printer output When the LOCAL PRN key is pressed after the test is completed the printer output will be duplicate of the front p...

Страница 91: ...menu at any time after a test has been completed This number is not save as part of the non volatile memory setup parameters Therefore each time the power to the instrument is turned off the number will be reset to 0 4 Sample Printer Outputs Sample printer output with the following setup Auto Print ON and Print Mode All and Print No 1000 NO 1000 ACW Pass 1 0s M 1_1 5 00KV 0 000mA NO 1001 ACW Hi Li...

Страница 92: ...99 9 0 Constant Use the Numeric keys to enter the Dwell time setting then press the ENTER key The program will store the Dwell Time setting and advance to the Ramp Down Time parameter automatically The unit is second and 0 1 second per step Ramp Down XXX X s Range 0 0 999 9 Use the Numeric keys to enter the Ramp Down time setting then press the ENTER key The program will store the Ramp Down Time s...

Страница 93: ...pdated in real time as follows ACW Ramp down XXX X s MXX X X XX KV XX XX mA NOTE In order to view the ACW values measured during the dwell cycle the review key must be pressed DC Ramp Down The DC ramp down feature allows the DC voltage applied to the DUT or stored in the DUT to be reduced linearly over a specified period at the end of a hipot test There are three set up screens associated with thi...

Страница 94: ...step Press the EXIT key to exit from the setting mode to the operation mode if all parameters have been set Displayed messages for Enhanced DC Ramping At the beginning of DC Withstand Voltage test when the voltage begins to ramp but before the meter readings are taken the display will show DCW Ramp up XXX X s MXX X KV A During the DC Withstand Voltage test Ramp up the display will show the values ...

Страница 95: ... 9 Use the Numeric keys to enter the Ramp Up time setting then press the ENTER key The program will store the Ramp Up Time setting and advance to the Dwell Time parameter automatically The unit is second and 0 1 second per step Delay Time XXX X s Range 0 5 999 9 0 Constant Use the Numeric keys to enter the Dwell time setting then press the ENTER key The program will store the Dwell Time setting an...

Страница 96: ...XX V XXXX M At the end of the delay cycle when the voltage begins to ramp down the display will show the last value measured during the delay cycle and the actual voltage value as the voltage is ramping down IR Ramp down XXX X s MXX X XXXX V XXXX M NOTE In order to see the Voltage values measured during the delay cycle the review key must be pressed GPIB Commands The following chart is a list of a...

Страница 97: ...ange 0 9 9 9 9 or Password X X X X Range 0 9 9 9 9 The Password can be any four 4 digit number If the Password is set to 0 the keyboard lock out will be selected by the LOCK key on the front panel without a Password The Password default is preset to 0 at the factory 10 2 2 Memory Lock selection Press the key the program will advance to the Memory Lock selection mode The display will show MR Lock O...

Страница 98: ... standard value of AC hipot voltage for calibration and display will show ACW Voltage 5000V OK T E S T t o C a l i b r a t e 10 3 2 Calibration of DC Hipot Voltage Press the key the program will advance to the DC Voltage calibration of the hipot test The display will show DCW Voltage 6000V TEST to Calibrate Connect a DC standard voltage meter which can measure up to 6000V to the output connectors ...

Страница 99: ...play will show IR Voltage 1000V OK T E S T t o C a l i b r a t e 10 3 4 Calibration of AC 100mA Range Press the key the program will advance to the AC 100mA range calibration of the hipot test The display will show AC 100mA 10K T E S T t o C a l i b r a t e Connect a resistor about 10K 100W in series with a AC standard Ammeter which can measure up to 100mA to the output leads The Ammeter should be...

Страница 100: ...d value of DC 10mA range for calibration and the display will show DC 10mA 100K OK T E S T t o C a l i b r a t e 10 3 6 Calibration of AC 3 5mA Range Press the key the program will advance to the AC 3 5mA range calibration of the hipot test The display will show AC 3 5mA 100K T E S T t o C a l i b r a t e Connect a resistor about 100K 10W in series with a AC standard Ammeter which can measure up t...

Страница 101: ...NTER key to store the standard value of DC 3500 A range of hipot test and the display will show DC 3500 A 100K OK T E S T t o C a l i b r a t e 10 3 8 Calibration of DC 350 A Range Press the key the program will advance to the setting and reading of DC 320 A range calibration of the hipot test The display will show DC 350 A 1M T E S T t o C a l i b r a t e Connect a resistor about 1M 0 25W in seri...

Страница 102: ...calibration of the IR test The display will show XXXXM STD 50M T E S T t o C a l i b r a t e Connect a 50M 0 25W 1000VDC standard resistor to the output connectors then press the TEST button the program will automatically calibrate the XXXX M range of IR test and the display will show XXXXM STD 50M OK T E S T t o C a l i b r a t e 10 3 11 Calibration of Ground Bond AC Voltage Model 7704 only Press...

Страница 103: ...isplay will show G Current A Enter Standard I out Use the Numeric keys to enter the standard value of current unit A and then press the ENTER key to store the standard value of AC Ground Bond current and display will show Ground A 30A OK T E S T t o C a l i b r a t e 10 3 13 Calibration of Real Current for units with option 51 only This menu item will be shown only when the Real Current option is ...

Страница 104: ... the Numeric keys to enter the standard value of current unit mA and then press the ENTER key to store the standard value of AC Real current and display will show AC 5mAR 500K OK T E S T t o C a l i b r a t e ...

Страница 105: ...en 37807 1 Reset Switch Red 37854 1 Test Replacement Bulb 28V 37605 1 Reset Replacement Bulb 33V 38101 1 Feet Kit w o Rubber Inserts 38102 4 Rubber Insert 39260 1 LCD Display 22 x 2 Characters 35999 4 7700 only Black Banana Jacks 37239 4 7704 only High Current Output and Return Jack PCB Assemblies 07500X 37 1 7500X 37 Real Current Board 38314 1 CHV 06 HV Control Board 37742 1 CKB 03 Keypad Board 3...

Страница 106: ...98 Part Number Qty Ref Designator Description 37983 1 T3 7704 only Transformer High Current Toroidal 37697 1 IC12 IC Microcontroller 8 bit 20Mhz 89C52 ...

Страница 107: ...58 59 60 62 63 64 68 83 84 86 Dwell 20 22 29 30 34 35 36 38 39 40 47 48 49 55 56 58 59 61 74 75 83 84 85 86 Exit Key 32 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Features 8 14 Frequency 9 19 20 22 29 30 34 36 47 48 49 50 83 85 86 Front Panel Controls 24 Glossary 3 Ground Bond Test 11 HI Limit 19 21 22 29 30 34 35 38 39 41 43 44 45 47 48 58 59 62 63 64 74 75 79 Hypot 3 Insulation Res...

Страница 108: ...ar Panel Controls 27 Receptacle 17 30 65 Regulation 20 Remote6 23 24 25 27 30 31 51 53 54 57 58 60 61 63 65 66 69 70 71 72 76 78 80 Remote Interlock 31 Resistance 3 5 6 8 11 12 13 20 21 22 25 34 43 44 47 48 55 56 58 63 64 68 79 86 87 Reviewing Test Results 57 Run Test 12 Safety i 2 4 7 8 17 30 Safety Symbols 2 Security 23 88 Sequence 16 31 34 38 43 46 50 53 54 Service Interval 4 Setup 25 30 34 50 ...

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