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27

Pre-Operation Inspection

2.5  Pre-Operation Inspection

Before using the instrument the first time, check that it operates normally to ensure 

that no damage occurred during storage or shipping. If any damage is found, 

contact your authorized Hioki distributor or reseller.

Accessory and optional equipment inspection

Check item

Action

Is the power cord coating ripped or torn, or is 

any metal exposed?

Do not use the instrument if damage is found, 
as electric shock or short circuit accidents 
could result.

Contact your authorized Hioki distributor or 

reseller.

Is the probe coating ripped or torn, or is any 

metal exposed?

Replace the probes with those specified by 

our company if damage is found, as electric 

shock could result.

Instrument inspection

Check item

Action

Is there any damage to the instrument?

If damage is found, send out the instrument 
for repair.

Insulation resistance test inspection

To ensure safe operation of the instrument, check the following before starting 

measurements.

 

• Checking the insulation resistance test (p. 28)

Check that the measured resistance matches the resistance value of the prepared 
resistor.

 

• Checking the contact check function (p. 29)

Check that the contact check function operates properly.

10

9

8

7

6

5

4

3

2

1

Appx.

Ind.

Summary of Contents for ST5520

Page 1: ...ST5520 ST5520 01 Instruction Manual INSULATION TESTER ST5520 01 INSULATION TESTER ST5520 Instruction Manual Aug 2015 Revised edition 2 ST5520A981 02 15 08H EN ...

Page 2: ......

Page 3: ... Settings screen 21 2 Preparations 23 2 1 Connecting the Power Cord 23 2 2 Connecting the Measurement Leads 24 Removing and attaching the sleeves 25 2 3 Connecting to the Equipment to be Measured 26 2 4 Turning the Power On and Off 26 Turning on the power 26 Turning off the power 26 2 5 Pre Operation Inspection 27 Checking the insulation resistance test 28 Checking the contact check function 29 3 ...

Page 4: ...ement 53 4 5 Automatic Discharge Function 54 5 Useful Functions 55 5 1 Checking Faulty Contact and Contact Status Contact check function 56 Connecting test leads 58 Example of connection to equipment to be measured 58 2 terminal contact check function 59 5 2 Checking Short Circuit before Applying the Set Voltage Short circuit check function 60 5 3 Enabling Disabling the Key Operations 65 5 4 Setti...

Page 5: ...rrent sink NPN and current source PNP 82 Connector type and signal pinouts 83 Signal descriptions 86 7 2 Timing Chart 88 7 3 Internal Circuit Configuration 96 Electrical specifications 98 Connection examples 99 7 4 Setting the TEST Signal OFF Timing 101 7 5 Checking External Control 103 Performing an I O test EXT I O test function 103 7 6 Using Analog Output 104 Connecting the output cord 105 Sett...

Page 6: ... Acquiring Data with Commands 119 Remote and local states 119 Displaying communications commands Communications monitor function 120 8 5 Data Format Table 125 8 6 Command Reference 126 9 Specifications 151 Environment and safety 151 Output output accuracy 151 Resistance measurement 153 Input 154 Guaranteed accuracy 154 Test duration 155 Response time 156 Functions 156 External interface 159 Other ...

Page 7: ...t Check Function Appx 2 Appx 3 Output Voltage and Measurement Resistance Appx 3 Appx 4 Influence of Capacitive Load Appx 4 Appx 5 Influence of Cable Length Appx 6 Appx 6 Influence of Noise Appx 7 Appx 7 Rack Mounting Appx 10 Appx 8 Dimensional Diagram Appx 14 Index Ind 1 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 8: ...vi Contents ...

Page 9: ...erifying Package Contents When you receive the instrument inspect it carefully to ensure that no damage occurred during shipping In particular check the accessories panel switches and connectors If damage is evident or if it fails to operate according to the specifications contact your authorized Hioki distributor or reseller Check the package contents as follows ST5520 or ST5520 01 Insulation Tes...

Page 10: ...re available for ST5520 ST5520 01 Contact your authorized Hioki distributor or reseller when ordering L2200 Test Lead L9257 Connection Cord 9299 Switched Probe 9094 Output Cord analog output 9637 RS 232C Cable 9pin 9pin 1 8 m 9638 RS 232C Cable 9pin 25pin 1 8 m ...

Page 11: ...ing safety notes DANGER Mishandling during use could result in injury or death as well as damage to the instrument Be certain that you understand the instructions and precautions in the manual before use WARNING With regard to the electricity supply there are risks of electric shock heat generation fire and arc discharge due to short circuits If persons unfamiliar with electricity measuring instru...

Page 12: ...r malfunction IMPORTANT Indicates information related to the operation of the instrument or maintenance tasks with which the operators must be fully familiar Indicates a high voltage hazard If a particular safety check is not performed or the instrument is mishandled this may give rise to a hazardous situation the operator may receive an electric shock may get burnt or may even be fatally injured ...

Page 13: ... Indicates that the instrument conforms to regulations set out by the EC Directive Accuracy We define measurement tolerances in terms of f s full scale rdg reading and dgt digit values with the following meanings f s Maximum display value scale length The maximum display value or the full length of the scale This is usually the maximum value of the currently selected range rdg Reading or displayed...

Page 14: ...ould result in a severe accident and must be carefully avoided CAT II When directly measuring the electrical outlet receptacles of the primary electrical circuits in equipment connected to an AC electrical outlet by a power cord portable tools household appliances etc CAT III When measuring the primary electrical circuits of heavy equipment fixed installations connected directly to the distributio...

Page 15: ...any Before using the instrument the first time verify that it operates normally to ensure that no damage occurred during storage or shipping If you find any damage contact your authorized Hioki distributor or reseller Installation Installing the instrument in inappropriate locations may cause a malfunction of instrument or may give rise to an accident Avoid the following locations For details on t...

Page 16: ...pair the instrument Doing so may cause fire electric shock or injury CAUTION To avoid damage to the instrument protect it from vibrations and physical shock when transporting and handling Be especially careful to avoid physical shock from dropping To avoid damage to the instrument do not apply voltage or current to EXT SW terminal analog output terminal or maintenance terminal This instrument may ...

Page 17: ...elts Do not touch the heat sources To avoid electric shock and damage to the instrument observe the cautions listed below when connecting the analog output terminal RS 232C connector and EXT I O terminal Always turn off the power on the instrument and on any devices to be connected before making connections Be careful to avoid exceeding the rating of the analog output terminal RS 232C connector or...

Page 18: ...round outlet Use only the designated power cord with this instrument Use of other power cords may cause fire CAUTION To avoid damaging the power cord grasp the plug not the cord when unplugging it from the power outlet IMPORTANT Turn off the power before disconnecting the power cord Before connecting measurement leads DANGER To avoid electric shock and short circuit accidents turn off all power of...

Page 19: ...Be careful to avoid injury Before connecting data cables WARNING Failure to fasten the connectors properly may result in sub specification performance or damage to the equipment Always turn off both devices when connecting and disconnecting an interface connector Otherwise an electric shock accident may occur Before switching between current sink NPN and current source PNP CAUTION Do not operate t...

Page 20: ...xternal connectors CAUTION To avoid damage to the instrument observe the following cautions Do not short circuit ISO_5V and ISO_COM When connecting the relay coil to the EXT I O output terminal be sure to install diodes to absorb current electromotive force Before turning the power on WARNING While insulation resistance is being measured or the START key is pressed hazardous voltage may be generat...

Page 21: ...oise it is necessary to switch the power frequency setting on the instrument Set the frequency to the frequency of the commercial power supply to be used before starting the measurement In the manual setting a measured value does not stabilize unless the power frequency setting is switched properly Precautions during shipment Observe the following during shipment Hioki cannot be responsible for da...

Page 22: ...14 Usage Notes ...

Page 23: ...onents and equipment using direct current voltage The test duration is 50 ms at the fastest and high speed testing can be performed Because this Insulation Tester is equipped with selectable test voltages and EXT I O RS 232C interface and analog output terminal it can be used in various fields including production and inspection lines as well as laboratories 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 24: ...tings before the power is turned off are replicated p 76 External interface EXT I O outputs a signal according to the ST5520 ST5520 01 status The start stop signal input and test conditions can be selected Extended insulation resistance fluctuation can be recorded when analog output is used p 81 Equipped with RS 232C interface A personal computer PC can be connected for automated testing and recor...

Page 25: ...y COMP lamps p 44 U FAIL Upper limit value Measured value PASS Within judgment standard L FAIL Lower limit value Measured value Rear panel Power switch p 26 Maintenance terminal Do not use Analog output terminal p 105 For 9094 Output Cord RS 232C connector p 115 EXT I O terminal p 82 Refer to p 11 Measurement terminals p 24 Refer to p 11 Manufacturer s serial No Power inlet p 23 Refer to p 10 Cont...

Page 26: ...uld be stored in a safe place for future reuse Side panel When using the stand Extend the legs all the way Make sure to extend both legs of the stand When collapsing the stand Do not collapse the stand partway Be sure to collapse it all the way CAUTION When the instrument is set on the stand do not apply a strong force from above Doing so may damage the stand ...

Page 27: ...r manual range 2 MΩ 20 MΩ 200 MΩ 2000 MΩ 4000 MΩ or auto range p 36 Measurement speed Select either FAST or SLOW p 38 Test duration Set how long to apply the test voltage test duration function p 39 Set the response time p 41 Comparator upper lower limit values Set the upper lower resistance values p 44 Test mode Select from continuous mode FAIL STOP mode PASS STOP mode or forced termination judgm...

Page 28: ...urement screen Displays the test voltage setting Displays the resistance range setting Displays the measurement speed setting Measured value Moves to various settings screens Use the F keys at the bottom of the screen to select a screen Upper limit value Lower limit value The auto range is set Nothing is displayed in the manual range Voltage monitor value Test duration F key set items SET Moves to...

Page 29: ...tting the beep sound p 47 Setting the response time p 41 SYS screen Setting the contact check function p 56 Setting the short circuit check function p 60 Setting the key beeper p 67 Setting the double action function p 68 Setting the screen contrast p 69 Setting the backlight p 70 Setting the power frequency p 71 Initializing the system p 72 PANEL screen Setting the panel save panel load p 75 10 9...

Page 30: ...eration p 108 Setting the test signal OFF timing p 101 Setting the INTERLOC test function p 108 Setting the EXT I O test function p 103 IF screen Setting the RS 232C interface p 114 Setting the data output function p 117 Setting the communications monitor function p 120 INFO screen Version Model name Manufacturer s serial No ...

Page 31: ...ord supplied with the instrument Power switch Power inlet Outlet 1 Check that the instrument power switch rear panel is OFF 2 Check that the power supply voltage is within the display range 100 V to 240 V and then connect the power cord to the power inlet 3 Plug the power cord into the outlet 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 32: ...rminal measurements Connect the red plug to the inside HIGH terminal and the black plug to the inside LOW terminal Do not use the outside terminals on the both ends CAUTION When the HIGH terminal is short circuited to the ground the voltage of the LOW terminal will become high and it is dangerous for you to touch it Do not touch the equipment to be measured measurement leads HIGH terminals or LOW ...

Page 33: ... with the removable sleeves The test leads can be used without the sleeves Removing the sleeves Gently hold the bottom of the sleeves and pull the sleeves off Safely store the removed sleeves so as not to lose them Attaching the sleeves Insert the metal pins of the test leads into the holes of the sleeves and firmly push them all the way in Do not touch the tip of the pins 10 9 8 7 6 5 4 3 2 1 App...

Page 34: ...y our company with this instrument When other cords are used accurate measurement may not be possible because the connection becomes poor etc When charged equipment to be measured is connected the instrument may fail Connect the test leads after the equipment to be measured is completely discharged Example of connection to equipment to be measured 2 4 Turning the Power On and Off Turning on the po...

Page 35: ...zed Hioki distributor or reseller Is the probe coating ripped or torn or is any metal exposed Replace the probes with those specified by our company if damage is found as electric shock could result Instrument inspection Check item Action Is there any damage to the instrument If damage is found send out the instrument for repair Insulation resistance test inspection To ensure safe operation of the...

Page 36: ...voltage of the prepared resistor Test voltage Maximum working voltage of the prepared resistor Example 500 V 1000 V 3 Check that the value calculated from the test voltage and resistance is smaller than the rated power of the prepared resistor If the value calculated from the test voltage and resistance is larger than the rated power of the prepared resistor change the resistor or the test voltage...

Page 37: ...o avoid electric shock do not touch the metal ends of the test leads Check that the contact check function operates properly Check the following three items Checking HIGH side contact p 30 Checking LOW side contact p 31 Checking the operation of the contact check function p 32 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 38: ...As there is a step to start a tes in the check procedure set the test voltage low 1 Turn off the instrument power 2 Connect the test leads to the LOW terminals Do not connect the test leads to the HIGH terminals LOW Black HIGH For contact check 3 Turn on the instrument power 4 Set the contact check function to ON p 56 5 Allow the test leads to short circuit 6 Start a test 7 Check that a contact er...

Page 39: ...Do not connect the test leads to the LOW terminals LOW Red HIGH For contact check 3 Turn on the instrument power 4 Set the contact check function to ON p 56 5 Allow the test leads to short circuit 6 Start a test 7 Check that a contact error occurs If the test still starts even under these conditions the contact check function may not be ON or the instrument may be damaged 10 9 8 7 6 5 4 3 2 1 Appx...

Page 40: ... Red For contact check 3 Turn on the instrument power 4 Set the contact check function to ON p 56 5 Allow the test leads to short circuit Short circuit the black test leads and red test leads Do not short circuit the black test lead and red test lead 6 Start a test 7 Check that the test starts If the test does not start the test leads may be broken or the instrument may be damaged ...

Page 41: ... Switching the Measurement Speed FAST SLOW p 38 3 4 Setting the Test Duration and Response Time p 39 Setting how long to apply the test voltage p 39 Setting the response time p 41 3 5 Judging Measured Values Comparator function p 44 3 6 Setting the Test Mode p 46 3 7 Announcing the Judgment Results Using a Beep Sound p 47 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 42: ...ettings is switched automatically The test voltage can be set in the Measurement or the settings screen CAUTION Setting at improper voltage may damage equipment to be measured Setting the test voltage in the Measurement screen 1 Select VOLT Select VOLT 2 Change and then confirm the test voltage value Change the value Up Down keys Change the cursor position Left and right keys Confirm the value Can...

Page 43: ...t voltage value Change the value Up Down keys Change the cursor position Left and right keys Confirm the value Cancel the change When a voltage that is higher than the set test voltage is output set voltage 20 Output voltage Error is displayed on the screen The test is stopped and no further key operations can be performed Turn OFF the power switch on the rear panel Refer to 10 2 Troubleshooting p...

Page 44: ...time before a measured value is displayed as the range has to shift after a test starts To eliminate this time set the range manually according to the object to be measured Setting the manual range 1 Open the Settings screen Select SET 2 Set RANGE to HOLD Selection HOLD Return to the Measurement screen 3 Select the range Item selection Select the range Return to the Measurement screen When analog ...

Page 45: ...g the auto range 1 Open the Settings screen Select SET 2 Set RANGE to AUTO When the auto range is set AUTO is displayed in the Measurement screen p 20 Selection AUTO Return to the Measurement screen 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 46: ... it is difficult to read the value 1 Open the Settings screen Select SET 2 Set the test speed Selection SLOW FAST Return to the Measurement screen IMPORTANT The sampling time is 100 ms even when the measurement speed is set to FAST if the contact check function is ON The sampling time is 500 ms if the measurement speed is set to SLOW regardless of the function check setting If the test duration is...

Page 47: ...measured value to stabilize and set the test duration The measured resistance can become low over time depending on the equipment to be measured Example When the terminal to ground capacity is large etc Setting an improper test duration could result in erroneous judgment Carefully check the time required for a measured value to stabilize and set the test duration Measured values may not stabilize ...

Page 48: ...Time 3 Set TIMER to edit mode Selection Left and right keys Edit the value Return to the Measurement screen 4 Set the test duration Change the value Up Down keys Change the cursor position Left and right keys Confirm the value Cancel the change ...

Page 49: ...output is monitored and the measurement starts after the voltage is stabilized The time required for the voltage to stabilize varies depending on the equipment to be measured If the electrostatic capacity of the equipment to be measured is 1µF or more the AUTO function may not operate properly because it takes time to charge the equipment to be measured Check the time required for the value on the...

Page 50: ...ct SET 2 Set DELAY to MANUAL Selection MANUAL Return to the Measurement screen 3 Set DELAY to edit mode Selection Edit the value Return to the Measurement screen 4 Set the response time Change the value Up Down keys Change the cursor position Left and right keys Confirm the value Cancel the change ...

Page 51: ...43 Setting the Test Duration and Response Time Setting to AUTO 1 Open the Settings screen Select SET 2 Set DELAY to AUTO Selection AUTO Return to the Measurement screen 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 52: ...s externally output Refer to 7 External Control EXT I O p 81 There are the following three comparator judgment methods Upper lower limit value setting range 0 000 to 4000 MΩ Judgment by the lower limit value Example 100 MΩ PASS LOWER FAIL L FAIL Lower limit value MΩ Judgment by the upper limit value Example 100 MΩ PASS UPPER FAIL U FAIL Upper limit value MΩ Judgment by the upper and lower limit va...

Page 53: ...itch the upper and lower limit values Cancel the change When ON is selected When OFF is selected 3 Set and confirm the values Cancel the change Switch the upper and lower limit values Change the decimal point position Change the value Up Down keys Change the cursor position Left and right keys Confirm the value The upper limit value can be set to any value Set the upper limit value to perform a 2 ...

Page 54: ...ontinuous test mode Continues tests until the set test duration elapses and outputs the judgment result every sampling PASS PASS STOP mode Terminates a test and outputs the judgment result when PASS judgment is made FAIL FAIL STOP mode Terminates a test and outputs the judgment result when FAIL judgment is made SEQ Forced termination judgment mode Outputs the judgment result when the set test dura...

Page 55: ...a beep sound under the four conditions OFF PASS FAIL and END 1 Open the Settings screen Select SET 2 Set the conditions for the beep sound Selection OFF PASS FAIL END Return to the Measurement screen OFF No beep sound PASS Beeps for PASS judgment FAIL Beeps for FAIL judgment END Beeps when a measurement is completed 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 56: ...48 Announcing the Judgment Results Using a Beep Sound ...

Page 57: ...d each other in the instrument Do not touch the measurement terminals Do not touch the equipment to be measured the tip of the probes and measurement terminals immediately after tests are completed High voltage charge may cause electric shock To avoid electric shock use the discharge function on the instrument to release charge in pieces of equipmentS to be measured after tests p 54 1 Set the meas...

Page 58: ...ched probe in addition to the operation keys A test can be started and completed by different methods Check that the test leads are securely connected before starting a test A test does not start when the EXT I O STOP signal is LOW A test does not start when the interlock function is enabled ...

Page 59: ...ime indicator and the measured value indicator becomes blank no display The display during the response time is the same for both response time settings AUTO and MANUAL 3 After the response time has elapsed the resistance measurement is performed until the STOP key is pressed and the measured value is displayed Unit MΩ The elapsed time is counted and displayed up to 999 9 s but the resistance meas...

Page 60: ...ed ULFAIL no judgment is returned Extend the test duration When test terminates without the range having been determined while using auto ranging no measured value will be displayed Use a longer test time In the auto range the measured value may fluctuate between two ranges Set the range to MANUAL Over F overflow is displayed when the measured value exceeds the display range maximum value in the a...

Page 61: ...OP mode and a PASS judgment is made The test mode is set to PASS STOP mode and PASS judgment is made The RST or STOP command or a command related to test conditions TIMer DELay etc is sent from the RS 232C interface 2 The measured value and COMP lamp displayed immediately before the test is completed continue to be displayed 3 The TEST lamp may not turn off and continue to blink even after the tes...

Page 62: ...k A residual electric charge can be released through the internal circuit of the instrument After tests follow the procedure below to release any remaining charge 1 Complete the test without removing the test leads from the equipment to be measured 2 The charge remaining in the equipment to be measured is automatically released in this instrument 3 During discharge the TEST lamp blinks 4 When the ...

Page 63: ...cuit check function p 60 5 3 Enabling Disabling the Key Operations p 65 5 4 Setting the Key Operation Sound p 67 5 5 Preventing Operation Errors at the Start of Testing Double action function p 68 5 6 Adjusting the Screen Contrast p 69 5 7 Adjusting the Backlight p 70 5 8 Setting the Frequency of Power Supply Manually p 71 5 9 Initializing the System Reset p 72 5 10 Default Setting List p 73 10 9 ...

Page 64: ... display section and the test stops The ERR signal is output from EXT I O When this error is displayed check the probe contact and for any broken wires of the measurement cables The instrument needs to be repaired if the error does not disappear even when the measurement cables that are not broken are short circuited IMPORTANT Even if the measurement speed is set to FAST the sampling time takes 10...

Page 65: ...ecking Faulty Contact and Contact Status Contact check function 1 Open the Settings screen Select SET 2 Set CONTACT CHECK to ON Selection ON OFF Return to the Measurement screen 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 66: ... side terminals are for contact check LOW Black Red HIGH For contact check Example of connection to equipment to be measured IMPORTANT Securely connect the test leads for the contact check to the equipment to be measured When the test leads are not connected securely a contact error occurs and no test can start For the principles of the contact check function refer to Appx 2 Contact Check Function...

Page 67: ... the insulation resistance of the equipment to be measured is 100 MΩ Test voltage 500 V Upper limit value 110 MΩ Lower limit value 90 MΩ Test duration 1 s 1 Set the test voltage to 500 V 2 Set the lower limit value to 90 MΩ and the upper limit value to 110 MΩ 3 Set the test duration to 1 s 4 Connect the HIGH and LOW side test leads to the equipment to be measured 5 Start a test 6 When the measured...

Page 68: ...n can prevent a judgment error when short circuit disappears when a high voltage is applied if the equipment to be measured is short circuited by whiskers The short circuit check function determines whether the equipment to be measured is short circuited or not by applying direct current voltage and then measuring the current value During the period immediately after the check is started a differe...

Page 69: ...ion time When a correctly operating product is connected and a test is started the short circuit check finishes as soon as the effect of the charging current has disappeared and then the time taken is displayed Perform this process for multiple units of the equipment to be measured and then set the longest time displayed plus a little extra time after MANUAL is selected The time taken for the shor...

Page 70: ... 2 Set SHORT CHECK to ON When ON is selected the SHORT CHECK TIME setting is displayed below Selection ON OFF Return to the Measurement screen 3 Set SHORT CHECK TIME to AUTO Selection AUTO Return to the Measurement screen 4 On completion of the short circuit check following starting the measurement the short circuit check time is displayed ...

Page 71: ...T CHECK TIME is set to AUTO and the equipment to be measured is short circuited it takes 0 5 s for a short circuit check and SHORT CHECK 0 500 s is displayed Setting to MANUAL 1 Open the Settings screen Select SET 2 Set SHORT CHECK to ON When ON is selected the SHORT CHECK TIME setting is displayed below Selection ON OFF Return to the Measurement screen 3 Set SHORT CHECK TIME to MANUAL Selection M...

Page 72: ...Short circuit check function 4 Set SHORT CHECK TIME to edit mode Selection Edit the value Return to the Measurement screen 5 Set the test duration Change the value Up Down keys Change the cursor position Left and right keys Confirm the value Cancel the change ...

Page 73: ... lock function the key operations other than UNLOCK START or STOP can be disabled Disabling the key operations Key lock engaged 1 Execute the key lock function Key lock 2 LOCK is displayed at the upper right corner and the key operations other than START or STOPare disabled 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 74: ...ling the Key Operations Enabling the key operations Key lock cancelled 1 Cancel the key lock function Reset key lock hold down for 1 second 2 LOCK at the upper right corner disappears and the key operations are enabled ...

Page 75: ...peration Sound The key operation sound ON OFF can be selected In the default setting the key sound is set to ON beeps 1 Open the Settings screen Select SET 2 Set KEY CLICK to ON Selection ON OFF Return to the Measurement screen 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 76: ...hen the double action function is set to ON When the START is enabled is displayed in the Measurement screen Operation errors can be prevented since the STOP key must be pressed before the START key is pressed 1 Open the Settings screen Select SET 2 Set DOUBLE ACTION to ON Selection ON OFF Return to the Measurement screen When the double action function is set the beeper sounds and the Error scree...

Page 77: ...set between 0 and 100 in increments of 5 The screen may become difficult to see when ambient temperature changes 1 Open the Settings screen Select SET 2 Set the value for CONTRAST Selection Decrease the contrast Increase the contrast Return to the Measurement screen 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 78: ...stallation location The brightness can be set to 0 for communications Be aware that the display may be difficult to see when the brightness is set to 0 1 Open the Settings screen Select SET 2 Set the value for BACKLIGHT The smaller the value is the lower the brightness becomes Selection 1 2 3 Return to the Measurement screen ...

Page 79: ...not stabilize Even in the AUTO setting if the power supply frequency cannot be detected properly due to significant power noise an error ERR 097 is displayed when the power is supplied Set the frequency according to the power supply 1 Open the Settings screen Select SET 2 Set POWER FREQ When AUTO is set the automatically identified power frequency is displayed on the right Selection AUTO 50 Hz 60 ...

Page 80: ... screen With the power off turn on the power while pressing MENU and up cursor key at the same time Reset with the communication command RST command The interface setting is not initialized This section describes the procedure to reset in the System Settings screen 1 Open the Settings screen Select SET 2 Execute RESET Selection Execute Return to the Measurement screen 3 Select OK OK Cancel the cha...

Page 81: ...FF p 56 SHORT CHECK OFF p 60 KEY CLICK ON p 67 DOUBLE ACTION OFF p 68 CONTRAST 50 p 69 BACKLIGHT 2 p 70 POWER FREQ AUTO p 71 RESET EXEC p 72 Memory function 1 to 10 None p 75 EXT I O Settings screen I O ANALOG OUT RANGE FULL p 104 EXT SWITCH MODE CONT p 108 EXT I O TEST PIN SLOW p 101 INTERLOCK OFF p 106 EXT I O TEST EXEC p 103 Communications Interface Settings screen IF RS 232C SPEED 9600 bps p 1...

Page 82: ...74 Initializing the System Reset ...

Page 83: ...with the panel save function Test voltage Range including auto range ON OFF and resistance range for the fixed range Test speed Test duration Response time Comparator upper and lower limit values including comparator ON OFF Test mode Judgment beep sound Panel load function The measurement conditions saved by the panel save function are loaded The measurement conditions can be loaded by the operati...

Page 84: ...tion is displayed on the right side of the screen Selection Save the panel Return to the Measurement screen 3 Enter and confirm the panel name Selection Confirm the panel name Cancel saving the panel Key operations for entering a panel name Key Operation Moves the cursor Changes the characters and values Enters a number from 0 to 9 Enters a letter from A to Z or an underscore character _ Deletes a...

Page 85: ...the right side of the screen Selection Load the panel Return to the Measurement screen 3 Select OK in the confirmation screen Selection OK Cancel loading the panel 4 The panel name is displayed in the Measurement screen Measurement conditions can be loaded with the EXT I O control by using LOAD0 to LOAD3 or the communications commands Refer to p 126 for details on commands When the measurement con...

Page 86: ...ME Selection Edit the panel name Return to the Measurement screen 3 Change and confirm the panel name Confirm the panel name Key operations for entering a panel name Key Operation Moves the cursor Changes the characters and values Enters a number from 0 to 9 Enters a letter from A to Z or an underscore character _ Deletes a character ...

Page 87: ...ings screen Select SET 2 Select and delete the panel number The panel description is displayed on the right side of the screen Selection Delete the panel number Return to the Measurement screen 3 Select OK in the confirmation screen OK Cancel deleting the panel The panel data cannot be restored once it is deleted 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 88: ...80 Deleting the Panel Data ...

Page 89: ...ommodate either current sink output NPN or current source output PNP by the internal settings of the instrument Check the input output ratings and internal circuit structure understand the safety precautions for connecting a control system and use accordingly Signal output or input Check the controller input and output specifications Set the EXT I O mode switch NPN PNP on the instrument Operate th...

Page 90: ... switch NPN PNP allows you to change the type of PLC programmable controller that is supported The instrument ships with the switch set to the NPN position EXT I O mode switch NPN PNP setting NPN PNP Input circuit Supports sink output Supports source output Output circuit Non polar Non polar ISO_5 V output 5 V output 5 V output Current sink NPN on the left Current source PNP on the right CAUTION D...

Page 91: ...ment type Japan Aviation Electronics Industry Ltd EXT I O terminal instrument side 18 19 1716 1514 13 12 11 10 9 8 7 6 5 4 3 2 1 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 START Not used INTERLOCK LOAD1 LOAD3 Not used Not used ISO_5V ISO_COM ERR UPPER FAIL LOWER FAIL Not used Not used Not used Not used Not used Not used Not used STOP LOAD0 Not used LOAD2 Not used Not used Not used ISO_C...

Page 92: ...asurement Level 10 ERR OUT Contact check error Short circuit check error Output voltage error Level 29 Not used 11 UPPER FAIL OUT Comparator judgment Level 30 PASS OUT Comparator judgment Level 12 LOWER FAIL OUT Comparator judgment Level 31 Not used 13 Not used 32 Not used 14 Not used 33 Not used 15 Not used 34 Not used 16 Not used 35 Not used 17 Not used 36 Not used 18 Not used 37 Not used 19 Not...

Page 93: ...Short circuit check error Output voltage error Level 29 BCD8 OUT BCD Level 11 UPPER FAIL OUT Comparator judgment Level 30 PASS OUT Comparator judgment Level 12 LOWER FAIL OUT Comparator judgment Level 31 BCD9 OUT BCD Level 13 BCD1 OUT BCD Level 32 BCD10 OUT BCD Level 14 BCD2 OUT BCD Level 33 BCD11 OUT BCD Level 15 BCD3 OUT BCD Level 34 BCD12 OUT BCD Level 16 BCD4 OUT BCD Level 35 BCD13 OUT BCD Lev...

Page 94: ...tion LOAD0 to LOAD3 Saved test conditions can be selected While a LOAD signal is input the instrument enters the key lock state accepting no key operations 3 Output signals PASS This signal is output when the comparator judgment is PASS UPPER FAIL This signal is output when the comparator judgment is UPPER FAIL LOWER FAIL This signal is output when the comparator judgment is LOWER FAIL TEST This s...

Page 95: ...F ON ON ON 7 ON OFF OFF OFF 8 ON OFF OFF ON 9 ON OFF ON OFF 10 External switch or transistor status Decimal point output DP2 DP1 DP0 Decimal point output ON ON ON 2000 ON ON OFF 200 0 ON OFF ON 20 00 OFF ON ON 2 000 Internal photocoupler status BCD output BCD15 BCD12 BCD11 BCD8 BCD7 BCD4 BCD3 BCD0 Output example For 2 481 MΩ 2 4 8 1 MΩ BCD output 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 1 1 ON 0 OFF Decimal ...

Page 96: ...ts IMPORTANT When the START signal is input after the test voltage is changed a time of up to 500 ms is added to detect the START signal Example When the test voltage is changed by using the LOAD signal When the test voltage is changed by using the RS command Continuous test mode timing chart 1 When the test duration setting TIMER is OFF and the measurement is performed by the START signal or STOP...

Page 97: ...act check Measured value display PASS Output U FAIL L FAIL Output ERR Output Item Time t1 START STOP signal pulse width 5 ms MIN t2 START STOP signal detection time 5 ms MAX t3 Response time DELAY AUTO 5 ms to 999 9 s t4 Measurement time Contact check OFF 30 ms FAST 480 ms SLOW Contact check ON 80 ms FAST 480 ms SLOW t5 Measurement interval Contact check OFF 50 ms FAST 500 ms SLOW Contact check ON...

Page 98: ...F timing ON 45 ms to 999 9 s AUTO 5 ms to 999 9 s FAST Measurement stop Measurement 1 Measurement 2 Previous measured value Previous result Previous result Previous result 0 0 0 0 00 MΩ Measured value 1 Measured value 2 Measured value 2 result Measured value 2 result Measurement 1 contact check result Measurement judgment including contact check 10 V OFF OFF OFF START Input TEST Output Test voltag...

Page 99: ...ent t7 Test duration TIMER 45 ms to 999 9 s When the START signal is input after the test voltage is changed a time of up to 500 ms is added to detect the START signal PASS STOP mode timing chart When the test duration setting TIMER is ON and the measurement is performed by the START signal input from EXT I O or when the test duration setting TIMER is ON and the measurement is performed by the STA...

Page 100: ... check result Measurement judgment including contact check Item Time t1 START STOP signal pulse width 5 ms MIN t2 START STOP signal detection time 5 ms MAX t3 Response time DELAY AUTO 5 ms to 999 9 s t4 Measurement time Contact check OFF 30 ms FAST 480 ms SLOW Contact check ON 80 ms FAST 480 ms SLOW t5 Measurement interval Contact check OFF 50 ms FAST 500 ms SLOW Contact check ON 100 ms FAST 500 m...

Page 101: ... to OFF tests are performed continuously until a FAIL judgment is made Measurement 1 Measurement 2 10 V t1 t2 t6 t3 t5 t4 START Input TEST Output Test voltage Measured value display PASS Output U FAIL L FAIL Output ERR Output t7 Measurement end When the TEST signal OFF timing setting is SLOW When measured value 1 result is PASS When measured value 2 result is FAIL Previous measured value Previous ...

Page 102: ...below 10 V 20 ms MAX during pure resistance measurement t7 Test duration TIMER 45 ms to 999 9 s When the START signal is input after the test voltage is changed a time of up to 500 ms is added to detect the START signal Forced termination judgment mode timing chart When the test duration setting TIMER is OFF and the measurement is performed by the START signal or STOP signal input from EXT I O or ...

Page 103: ... 0 0 0 0 00 MΩ Measured value 1 Measured value 2 Item Time t1 START STOP signal pulse width 5 ms MIN t2 START STOP signal detection time 5 ms MAX t3 Response time DELAY AUTO 5 ms to 999 9 s t4 Measurement time Contact check OFF 30 ms FAST 480 ms SLOW Contact check ON 80 ms FAST 480 ms SLOW t5 Measurement interval Contact check OFF 50 ms FAST 500 ms SLOW Contact check ON 100 ms FAST 500 ms SLOW t6 ...

Page 104: ...ternal power to pin 8 ST5520 ST5520 01 Internally isolated common Isolate from the instrument protective ground Internally isolated power supply Use ISO_COM as the common terminal for both input and output signals If a high current flows to common wiring branch the output signal common wiring and input signal common wiring from the position close to the ISO_COM terminal When supplying power from a...

Page 105: ...put Common Zener voltage 30 V Do not connect external power to pin 8 ST5520 ST5520 01 Internally isolated common Isolate from the instrument protective ground Internally isolated power supply Use ISO_COM as the common terminal for both input and output signals When supplying power from an external device supply power to the external power supply shown in the above figure 10 9 8 7 6 5 4 3 2 1 Appx ...

Page 106: ... type Photocoupler isolated open drain output non polar Maximum load voltage 30 V DC MAX Maximum output current 50 mA ch Residual voltage 1 V or less load current 50 mA 0 5 V or less load current 10 mA Internally isolated power supply Output voltage Sink output 5 0 V 10 source output 5 0 V 10 Maximum output current 100 mA External power input None Isolation Floating from protective ground potentia...

Page 107: ...520 01 Input NPN ISO_COM Switch connections ST5520 ST5520 01 Input NPN ISO_COM Relay connections PLC output NPN output connections ST5520 ST5520 01 Input NPN ISO_COM PLC Output Common PLC output PNP output connections ST5520 ST5520 01 Input PNP ISO_COM PLC Output Common 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 108: ...O_COM Common Input PLC PLC input plus common input connections ST5520 ST5520 01 ISO_COM Output 50 mA max LED connections ST5520 ST5520 01 Output Output ISO_COM Wired OR ST5520 ST5520 01 Output ISO_COM 50 mA max Common Input PLC PLC input minus common input connections ST5520 ST5520 01 Output 50 mA max ISO_COM Common Input PLC PLC input plus common input connections ST5520 ST5520 01 Output ISO_COM ...

Page 109: ...ET 2 Select the operation mode for EXT I O TEST PIN Selection SLOW FAST Return to the Measurement screen SLOW After a test is completed LOW status during the test is maintained until the voltage of the equipment to be measured drops to approximately 10 V due to the discharge function FAST Regardless of the level of discharge the status returns to HIGH almost simultaneously after a test is complete...

Page 110: ...102 Setting the TEST Signal OFF Timing SLOW TEST Output STOP Input Test voltage Generated Approx 10 V FAST TEST Output STOP Input Test voltage Generated Stopped Approx 5 ms MAX ...

Page 111: ... operation mode for EXT I O TEST Selection Execute Return to the Measurement screen 3 Perform the EXT I O test Select the signal Turn ON the signal Turn OFF the signal Return to the EXT I O Settings screen Output signals Allows you to perform signal operations ON Reverse display OFF Normal display Input signals Displays the signal status ON Reverse display OFF Normal display Displays LOCK in rever...

Page 112: ...00 V V 1000 V 0 000 MΩ to 4000 MΩ 0 V to 4 V All measurement voltages Over F 4 V Under F 0 V 2 The voltage is output according to each resistance range EACH When the resistance range is set to HOLD the voltage is output as shown below When the maximum value in each resistance range is displayed 4 V is output When the resistance range is set to AUTO the voltage is output as shown in Table 1 For the...

Page 113: ...d CAUTION To avoid damage to the instrument or the output cord do not input voltage or current externally to the analog output terminal Do not connect the output cord plug to the measurement terminal of the instrument Setting the analog output 1 Open the Settings screen Select SET 2 Select ANALOG OUT RANGE Selection FULL EACH Return to the Measurement screen FULL 0 to 4 V is output within the all ...

Page 114: ...O screen of the EXT I O Settings screen the interlock function runs when Pin 3 of EXT I O INTERLOCK is ON 1 Connect pin 3 of EXT I O INTERLOCK to ISO_COM pin 9 pin 27 p 83 2 Check that LOCK at the upper right corner is not lit on the Measurement screen If LOCK is lit there is a possibility of a connection failure Check the connection performed in step 1 3 Open the Settings screen Select SET 4 Make...

Page 115: ...he interlock function is active When the interlock function is active LOCK is displayed at the upper right corner of the screen If a key is pressed in this status an error message appears LOCK is displayed when the interlock function is active The error message appears if a key is pressed when the interlock function is active When the interlock function is enabled and INTERLOCK of EXT I O is open ...

Page 116: ... TRIG Return to the Measurement screen CONT Continuous mode A test is performed only when the push switch is pressed When the push switch is released the test is terminated TRG Trigger mode Press the push switch to start a test The test continues even when the push switch is released When the push switch is pressed during the test the test is terminated For the operation of the ST5520 and ST5520 0...

Page 117: ...the switched probe is used one more measurement probe is required Prepare the extra L2200 black Connecting the Switched Probe 1 Connect the 9299 switch signal line plug to the EXT SW terminal on the front of the instrument Insert the plug completely until the metal part of the signal line plug is not exposed When the TEST lamp blinks press the push switch of the 9299 or the STOP key of the ST5520 ...

Page 118: ...110 Using the Switched Probe Disconnecting the switched probe IMPORTANT When disconnecting the switched probe from the instrument remove the switch signal line plug last Switch signal line plug EXT SW ...

Page 119: ...e Soldering iron Accessories A Cover 1 set 2 pieces B Screw 4 40UNC length 16 9 mm 2 pieces C Screw 4 40UNC length 12 6 mm 2 pieces D Screw 4 40UNC length 15 0 mm 2 pieces E Nut 4 40UNC 2 pieces F Retainer for cable 2 pieces G Retainer case protection 2 pieces H Connector 1 piece Assembly procedure 1 Solder the cable shielded cable to connector H of EXT I O 2 Attach retainers F to the cable using ...

Page 120: ... and bottom with same shape F Retainer for cable C Screw 4 40UNC length 12 6 mm H Connector A Covers top and bottom with same shape Shielded cable recommended D Screw 4 40UNC length 15 0 mm G Retainer case protection B Screw 4 40UNC length 16 9 mm D Screw 4 40UNC length 15 0 mm E Nut 4 40UNC ...

Page 121: ...controller The RS 232C transfer time can be approximated with the following formula where the transfer speed baud rate is N bps using 1 start bit 8 data bits no parity 1 stop bit for a total of 10 bits Transfer time T 1 character sec Baud rate N bps 10 bits Since measured values are 11 characters in length the transfer time for 1 piece of data is 11 T Example For a 9 600 bps connection 11 9600 10 ...

Page 122: ...onnecting or disconnecting the RS 232C interface connectors Setting communications conditions Make the following instrument settings 1 Open the Settings screen Select SET 2 Select the interface transfer speed baud rate for RS 232 SPEED Selection 9600 bps 19200 bps 38400 bps Return to the Measurement screen The transfer speed baud rate setting may not be usable with some computers due to a large ma...

Page 123: ...ly 1 2 3 4 5 6 7 8 9 Rear panel To connect the instrument to a controller DTE use a crossover cable compatible with the connectors on the instrument and the controller The I O connector is a terminal DTE configuration This instrument uses pin numbers 2 3 and 5 Other pins are not connected Pin No Signal name Signal Remarks Common EIA JIS 1 DCD CF CD Carrier detect Not used 2 RxD BB RD Receive data ...

Page 124: ...pin 9pin 1 8 m When connecting a controller with a 25 pin D sub port Use a crossover cable with a 9 pin D sub socket contacts and a 25 pin D sub pin contacts connector As in the figure shown below the RTS and CTS pins are shorted and crossed to the DCD in the other connector DCD 1 RxD 2 TxD 3 DTR 4 GND 5 DSR 6 RTS 7 CTS 8 9 2 TxD 3 RxD 4 RTS 5 CTS 6 DSR 7 GND 8 DCD 20 DTR 9 pin D sub female Instru...

Page 125: ...C interface If the START key is pressed with TYPE 1 or TYPE 2 selected do not send any commands to the instrument until the computer receives the measured values Doing so may cause measured values to be sent twice 1 Open the Settings screen Select SET 2 Set DATA OUT to ON Selection OFF Automatic exporting is disabled TYPE1 Automatic exporting in TYPE 1 format is enabled TYPE2 Automatic exporting i...

Page 126: ...easurement is performed the measured value is shown as N O C O M P 15 When DATA OUT is set to OFF the number returns to 1 O F 5 U F 6 C H i 7 C L o 8 C H L 9 S h o r t 10 1 The range is 2 MΩ 9 Fail result for the contact check on both the HIGH and LOW sides 2 The range is 20 MΩ 3 The range is 200 MΩ 10 Fail result for the short circuit check 4 The range is 2000 4000 MΩ 11 PASS judgment 5 Overflow ...

Page 127: ...he communications monitor function can be used to display commands and responses on the Measurement screen Remote and local states During remote control operation RMT is displayed on the Measurement screen and all operation keys except for the MENU and STOP keys are disabled Cancel the remote state Stop measurement When the MENU key is pressed the remote state is cancelled and the key operation is...

Page 128: ...ommunications monitor function The communications monitor function can be used to display communications commands and query responses on the screen 1 Open the Settings screen Select SET 2 Set CMD MONITOR to ON Selection ON OFF Return to the Measurement screen 3 The communications command is displayed ...

Page 129: ...ST CMD ERROR IMPORTANT If an illegal code is received the character code is displayed in hexadecimal notation enclosed in For example the character 0xFF is displayed as FF and 0x00 as 00 If only hexadecimal characters like this are displayed check the communications conditions or lower the communications speed If an RS 232C error occurs the following information is displayed Overrun error signal l...

Page 130: ...ely followed by the delimiter The meaning of the delimiter is to separate commands and data When the ST5520 receives the delimiter it starts analysis of the command A command can abbreviated The whole command form is referred to as the long form and the abbreviated form as the short form Although the short form is printed in upper case letters and the rest in lower case letters in this instruction...

Page 131: ...cter string data must always begin with an alphabetic character and the characters following can be either alphabetic characters or numerals Although in character data either upper case letters or lower case letters are accepted response message output by the 3154 are always in upper case letters Example 200M 2 Decimal data The numeric data values are all represented in decimal in three formats id...

Page 132: ...turned in a line with each responding data separated by a semicolon Writing multiple commands without inserting semicolons results in text error failing to complete command execution 2 Separator between command and parameter Use space in command with both command and parameter to separate command and parameter Example VOLTage 1000 3 Parameter separator Command with multiple parameters must be sepa...

Page 133: ...Flow 0000E 06 4 digits Error 1 0000E 10 4 digits 1 When a contact check error short circuit check error or output voltage error occurs otherwise no data are found Comparator upper lower limit values 2 MΩ or less 0 000E 06 to 2 000E 06 4 digits decimal point 20 MΩ or less 2 01E 06 to 9 99E 06 4 digits decimal point 10 00E 06 to 20 00E 06 4 digits decimal point 200 MΩ or less 20 1E 06 to 99 9E 06 4 ...

Page 134: ...ta example 12 23 34 NR2 Decimal data example 1 23 23 45 3 456 NR3 Floating decimal point index data example 1 0E 2 2 3E 4 data 2 M 20 M 200 M 2000 M 4000 M AUTO text data Reference Explains parameter data Example Set to 200 MΩ range PC MOHM RANGe 200M Reference Example of the use of the command PC indicates a command from the computer ST5520 indicates a response from the ST5520 Error An execution ...

Page 135: ...es test voltage p 133 Resistance range MOHM RANGe Sets resistance range p 134 MOHM RANGe Queries resistance range p 134 Measurement speed SPEed Sets measurement speed p 134 SPEed Queries measurement speed p 134 Timer TIMer Sets test duration p 135 TIMer Queries test duration p 135 DELay Sets response time p 135 DELay Queries response time p 136 Comparator COMParator LIMit Sets comparator upper low...

Page 136: ...acklight p 142 DISPlay BACKlight Queries LCD backlight p 142 Power frequency SYSTem LFRequency Sets power frequency p 143 SYSTem LFRequency Queries power frequency p 143 Save Load PANel LOAD Loads test conditions p 143 PANel SAVE Saves test conditions p 143 PANel SAVE Queries if conditions saved with designated number are to be saved p 144 PANel NAME Sets panel name p 144 PANel NAME Queries panel ...

Page 137: ...l value in NR1 format 0 to 7 data and then clears the event status register status No command header is included in response The register is configured as shown in the table below When an error occurs it returns data as a numerical value calculated in decimal notation based on each error Syntax ESR Response data 0 to 7 NR1 numerical data Example When all of bit0 Command error bit1 Execution error ...

Page 138: ... When this command is executed during a test the test is stopped and the setting is reset The saved test conditions are also cleared The interface setting is not initialized To reset the setting refer to 5 10 Default Setting List p 73 Syntax RST Example To execute resetting PC RST STARt Starts a test Syntax STARt Example PC STARt Error When this command is executed during tests an execution error ...

Page 139: ...Sure Queries the measured value When this command is received during a test the measured value is returned in NR3 numerical data data After the test is completed the measured value when the previous test was completed is returned No command header is included in response Syntax MEASure Response data data Measured value 8 5 Data Format Table p 125 Example To query the measured value when the measur...

Page 140: ...lue LFAIL Lower limit value Measured value ULFAIL Judgment is not possible the upper or lower limit value exceeds the range Example To query the judgment result when the judgment result is PASS PC MEASure COMParator ST5520 PASS MEASure RESult Queries measured value and judgment result During a test the measured value and then the judgment result at the time this command is received are returned as...

Page 141: ...tage monitor value is 25 V PC MEASure MONItor ST5520 25 VOLTage Sets the test voltage When the testing start command STARt is sent sequentially after the test voltage is changed a time of up to 500 ms is added until the test starts Syntax VOLTage data data Test voltage 25 to 1000 NR1 numerical data Example To set the test voltage to 100 V PC VOLTage 100 VOLTage Queries the test voltage The test vo...

Page 142: ...Example To query the resistance range when the resistance range is 200 MΩ PC MOHM RANGe ST5520 MOHM RANGE 200M when the HEADer command is ON ST5520 200M when the HEADer command is OFF SPEed Sets the measurement speed to FAST SLOW Syntax SPEed data data FAST SLOW text data Example To set the measurement speed to FAST PC SPEed FAST SPEed Queries the measurement speed The measurement speed setting FA...

Page 143: ... TIMer Response TIMER data or simply data data Test duration unit second 0 0 and 0 045 to 999 999 resolution 0 001 NR2 numerical data 8 5 Data Format Table p 125 Example To query the test duration setting when the test duration is 10 seconds PC TIMer ST5520 TIMER 10 000 when the HEADer command is ON ST5520 10 000 when the HEADer command is OFF DELay Sets the response time Set 0 0 when the response...

Page 144: ...imit value an execution error occurs Syntax COMParator LIMit data1 data2 data1 OFF text data or comparator upper limit value NR3 numerical data data2 OFF text data or comparator lower limit value NR3 numerical data Example To set the upper limit value to 15 MΩ and the lower limit value to 10 MΩ PC COMParator LIMit 15E 06 10E 06 COMParator LIMit Queries the comparator upper lower limit values The u...

Page 145: ...en the HEADer command is OFF COMParator BEEPer Sets the beep sound at the time of comparator judgment and at the end of the timed duration Syntax COMParator BEEPer data data PASS FAIL OFF END text data Example To set to beep at FAIL judgment PC COMParator BEEPer FAIL COMParator BEEPer Queries the beep sound setting at the time of comparator judgment and at the end of the timed duration The beep so...

Page 146: ...ontact check function is disabled Example To query the contact check function when the contact check function is enabled PC CONTactcheck ST5520 CONTACTCHECK ON when the HEADer command is ON ST5520 ON when the HEADer command is OFF CONTactcheck RESult Queries the contact check result No command header is included in the response Syntax CONTactcheck RESult Response data data NOCHK PASS HFAIL LFAIL H...

Page 147: ...OFF text data ON The short circuit check function is enabled OFF The short circuit check function is disabled Example To query the short circuit check function when the short circuit check function is enabled PC SHORtcheck ST5520 SHORTCHECK ON when the HEADer command is ON ST5520 ON when the HEADer command is OFF SHORtcheck TIME Sets the short circuit check time Set 0 0 when the short circuit chec...

Page 148: ...it check time is set to 0 0 AUTO is returned in NR2 numerical data data 0 000 is returned when the short circuit check function is set to OFF or MANUAL No command header is included in the response Syntax SHORtcheck TIME MONItor Response data NR2 numerical data data Short circuit check execution time unit second 0 000 to 1 000 resolution 0 001 Example To query the short circuit check execution tim...

Page 149: ... DOUBleaction Sets the double action function ON OFF Syntax DOUBleaction data data ON OFF text data ON The double action function is enabled OFF The double action function is disabled Example To set the double action function to ON PC DOUBleaction ON DOUBleaction Queries the double action function ON OFF setting The setting is returned in text data data Syntax DOUBleaction Response DOUBLEACTION da...

Page 150: ...is ON ST5520 60 when the HEADer command is OFF DISPlay BACKlight Sets the LCD backlight brightness 0 can be set only from communications The LCD backlight turns off when 0 is set Syntax DISPlay BACKlight data data 0 to 3 NR1 numerical data Example To set the brightness to 2 PC DISPlay BACKlight 2 DISPlay BACKlight Queries the LCD backlight brightness The setting is returned in NR1 number data data...

Page 151: ...EQUENCY data or simply data data AUTO 50 60 text data Example To query the power frequency setting when the power frequency is 60 Hz PC SYSTem LFRequency ST5520 SYSTEM LFREQUENCY 60 when the HEADer command is ON ST5520 60 when the HEADer command is OFF PANel LOAD Loads the test conditions with the specified number During a test the test is stopped and the test conditions are loaded Syntax PANel LO...

Page 152: ...tation marks Syntax PANel NAME data1 data2 data1 Test condition number 1 to 10 NR1 numerical data data2 Test condition name text data up to ten half width characters Example To set the test condition name for Test condition 1 to TEST1 PC PANel NAME 1 TEST1 PANel NAME Queries the test condition name The specified number is returned in NR1 number data data1 and the test condition name is returned in...

Page 153: ...ULL AOUT RANGe Queries the analog output setting The FULL or EACH setting is returned in text data data Syntax AOUT RANGe Response AOUT RANGE data or simply data data FULL EACH text data FULL Output in all measurement resistance ranges EACH Output in each range display area Example To query the output method when the setting is FULL PC AOUT RANGe ST5520 AOUT RANGE FULL when the HEADer command is O...

Page 154: ...UE when the HEADer command is OFF IO SIGNal Sets the timing for the TEST signal to return from LOW to HIGH when a test is completed Syntax IO SIGNal data data SLOW FAST text data Example To set the timing to FAST PC IO SIGNal FAST IO SIGNal Queries the timing for the TEST signal to return from LOW to HIGH when a test is completed The SLOW or FAST setting is returned in text data data Syntax IO SIG...

Page 155: ...ta Syntax IO ILOCk Response IO ILOCK data or simply data data ON OFF text data ON The interlock function is enabled OFF The interlock function is disabled Example To query the interlock function setting when the setting is ON PC IO ILOCk ST5520 IO ILOCK ON when the HEADer command is ON ST5520 ON when the HEADer command is OFF SYSTem KLOCk Sets the key lock Syntax SYSTem KLOCk data data ON OFF text...

Page 156: ... the reply data or not When the power is turned on the setting is reset to OFF Syntax HEADer data data ON OFF text data ON With a command header OFF Without a command header Example To set to ON PC HEADer ON HEADer Queries the setting of whether the command the instrument received is added to the head of the reply data or not The ON OFF setting is returned in text data data Syntax HEADer Response ...

Page 157: ...eference SYSTem LOCal Changes the communications remote state back to the local state The key operation is enabled Syntax SYSTem LOCal Example To cancel the remote state PC SYSTem LOCal 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 158: ...150 Command Reference ...

Page 159: ... voltage 100 V to 240 V AC Voltage fluctuations of 10 from the rated supply voltage are taken into account Rated supply frequency 50 60 Hz Anticipated transient overvoltage 2500 V Maximum rated power 25 VA Continuous operating time 1 hour Continuous short circuit state Dimensions Approx 215W 80H 166D mm 8 46 W 3 15 H 6 54 D Excluding protrusion Mass Approx 1 1 kg 6 8 oz Product warranty period 1 y...

Page 160: ... MΩ 0 V to 4 V 100 V V 500 V 0 000 MΩ to 2000 MΩ 0 V to 4 V 500 V V 1000 V 0 000 MΩ to 4000 MΩ 0 V to 4 V All measurement voltages Over F 4 V Under F 0 V 2 EACH 0 to 4 V is output according to each resistance range Resistance range Displayed resistance Output voltage DC 2 MΩ 0 000 MΩ to 2 000 MΩ 0 V to 4 V 20 MΩ 1 90 MΩ to 20 00 MΩ 0 38 V to 4 V 200 MΩ 19 0 MΩ to 200 0 MΩ 0 38 V to 4 V 2000 MΩ 100...

Page 161: ... 400 0 MΩ 0 1 MΩ 100 V V 500 V 2 MΩ range 0 000 MΩ to 4 000 MΩ 0 001 MΩ 20 MΩ range 1 90 MΩ to 40 00 MΩ 0 01 MΩ 200 MΩ range 19 0 MΩ to 400 0 MΩ 0 1 MΩ 2000 MΩ range 190 MΩ to 4000 MΩ 1 MΩ 500 V V 1000 V 2 MΩ range 0 000 MΩ to 4 000 MΩ 0 001 MΩ 20 MΩ range 1 90 MΩ to 40 00 MΩ 0 01 MΩ 200 MΩ range 19 0 MΩ to 400 0 MΩ 0 1 MΩ 4000 MΩ range 190 MΩ to 9990 MΩ 1 MΩ To display a value of 1000 MΩ or over ...

Page 162: ...MΩ to 2 000 MΩ 2 rdg 5 dgt 1 90 MΩ to 20 00 MΩ 19 0 MΩ to 200 0 MΩ 190 MΩ to 4000 MΩ 5 rdg 4010 MΩ to 9990 MΩ 25 rdg The temperature coefficient is based on Guaranteed accuracy p 154 Input Over voltage input protection 1100 V DC positive polarity only Guaranteed accuracy Conditions of guaranteed accuracy Warming up time 15 minutes or more Temperature and humidity for guaranteed accuracy 23 C 5 C 7...

Page 163: ...ied time after a test starts When OFF is set the test duration counts up after a test starts 999 9 s is displayed when the test duration exceeds the display range Guaranteed accuracy range 0 050 s 50 ms to 999 999 s Set resolution 1 ms Test duration accuracy 0 005 s setting range 0 045 s to 0 099 s 0 05 s setting range 0 100 s to 9 999 s 0 5 s setting range 10 000 s to 999 999 s Voltage V Set volt...

Page 164: ...t is detected Obtained by using RS command or EXT I O Sampling Sampling varies depending on the measurement speed setting FAST 100 ms SLOW 500 ms Comparator Display The upper and lower limit values are always displayed Judgment UPPER_FAIL PASS LOWER_FAIL UL_FAIL UPPER_FAIL Measured value Upper limit value PASS Upper limit value Measured value Lower limit value LOWER_FAIL Measured value Lower limit...

Page 165: ...age comparator upper and lower limit values including comparator ON OFF test mode judgment beep sound test duration response time no judgment time resistance range ON OFF of auto range including resistance range for fixed range and measurement speed Number of memory data units Maximum of 10 patterns can be saved and loaded Measurement speed FAST Sampling 30 ms time SLOW Sampling 500 ms time Data h...

Page 166: ...lay are held as they are at the end of the test Forced termination judgment mode The judgment result based on the upper and lower limit values is displayed after the setting time elapsed or at the time of STOP is input key RS command or EXT I O Judgment result is output on the display via RS command or via EXT I O The displayed measured value and judgment result display are held as they are at the...

Page 167: ...ck time automatic measurement function This function can be performed only when the short circuit check setting is ON AUTO setting A test starts after the automatic short circuit check has been completed The time required for the short circuit check is displayed on the screen When it takes 0 5 s or more the short circuit check will time out MANUAL setting The time to be taken for the short circuit...

Page 168: ...is ON when comparator UL_FAIL judgment is made LOWER FAIL The output transistor is ON when comparator LOWER FAIL judgment is made The output transistor is ON when comparator UL_FAIL judgment is made TEST The output transistor is ON during a test The output transistor is ON or OFF during discharge depending on the TEST signal OFF timing setting ERR The output transistor is ON at the time of a conta...

Page 169: ...s CONT and TRIG the instrument settings have priority Continuous CONT mode Measurement is performed only while the 9299 switch is being pressed Trigger TRIG mode A test starts and stops every time the 9299 switch is pressed RS 232C not isolated against the power supply protective ground terminal and isolated against the measurement terminals RMT is displayed at the top of the screen during communi...

Page 170: ...uration upper limit value comparator lower limit value comparator set voltage set range measurement speed panel name status display remote key lock short circuit check time Contrast adjustment 0 to 100 resolution 5 Backlight 0 1 2 3 1 Dark 2 Standard 3 Bright 0 OFF OFF can be set only via communications Resistance Display range 0 000 MΩ to 9990 MΩ Measured resistance value 4 digits Max 9990 counts...

Page 171: ...e disabled status has priority Input Status Key input Switched Probe 9299 START STOP UNLOCK LOCAL Others START STOP The EXT I O STOP signal is LOW The EXT I O INTERLOCK signal is LOW Remote Resets the remote Key lock Resets the lock TEST Input Status EXT I O RS command START STOP Others 1 START STOP Others The EXT I O STOP signal is LOW Execution error The EXT I O INTERLOCK signal is LOW Remote Ke...

Page 172: ...GH LOW EXT I O terminal contact check terminals RS 232C connector analog output terminal USB connector maintenance terminal Accessories Instruction manual 1 Power cord 1 EXT I O connector pin contacts 1 EXT I O connector cover 1 set Options L2200 Test Lead L9257 Connection Cord 9299 Switched Probe 9094 Output Cord analog output 9637 RS 232C Cable 9pin 9pin 1 8 m 9638 RS 232C Cable 9pin 25pin 1 8 m...

Page 173: ...r installation environment and that you request that calibration be performed periodically Transporting When shipping the instrument use the packing materials used when the instrument was delivered Pack the instrument so that it is not damaged during shipping and include a description of existing damage Hioki cannot be responsible for damage that occurs during shipping Cleaning To clean the instru...

Page 174: ...zed Hioki distributor or reseller for replacement parts The lifetime of the parts varies depending on the operating environment and frequency of use The recommended replacement timing is not guaranteed Part name Recommended replacement timing Remarks Conditions Electrolytic capacitor Approx 10 years The board on which the capacitor is installed is to be replaced LCD backlight Approx 10 years When ...

Page 175: ...defined Extend the test duration p 39 The voltage is not output The probe wires may be broken Use the contact check function or check the probe using a tester p 56 The set voltage is not output Check the resistance of the load The measurement current is limited to less than 2 0 mA The voltage cannot rise to the set voltage with the load carrying a current of 2 0 mA or more Example If the set volta...

Page 176: ...ot match Set the lower limit based on the set range s accuracy range p 44 External Control Symptom Cause and solution Reference Communications cannot be performed smoothly Check the RS 232C transfer speed p 114 Check the commands that are sent and received using the communications monitor function The areas where command and execution errors occur can be checked p 120 Control cannot be performed w...

Page 177: ...ment enters the key lock state accepting no key operations p 86 RMT is displayed Reset the remote p 119 LOCK is displayed Release the interlock How to release the interlock Turn on the power while pressing the MENU Down keys The interlock can also be released using the IO ILOCk OFF communication command p 106 The COMP lamp does not turn on When the measured value is displayed the upper or lower li...

Page 178: ...ay have occurred Contact your authorized Hioki distributor or reseller A voltage that is higher than the set voltage may be input during the test Check that the equipment to be measured has been fully discharged Example If the voltage applied during a pressure test is not fully released when the pressure test is performed before an insulation resistance test is performed ...

Page 179: ...f the measurement cable for the HIGH side contact check p 56 Check the contact check function p 29 ContLo LOW side contact check error Check the wiring of the measurement cable for the LOW side contact check p 56 Check the contact check function p 29 Short Short circuit check error The equipment to be measured may be short circuited Check the equipment to be measured p 60 ERR 001 LOW limit is high...

Page 180: ...rror conditions ERR 090 ROM check sum error Program ROM check sum error The instrument is malfunctioning Send the instrument out for repair ERR 091 RAM error CPU RAM error The instrument is malfunctioning Send the instrument out for repair ERR 094 Output voltage error Power off by rear power sw Output voltage error Turn off the power switch on the rear panel A voltage that is higher than the set t...

Page 181: ...standard IEC61010 the short circuit current is controlled under 2 0 mA B Any charge in the equipment to be measured can be released quickly C The voltage monitor is operating any time in addition to during tests the voltage between measurement terminals can always be monitored D As a contact check circuit is installed and contacts are always monitored the quality of an insulation resistance test c...

Page 182: ...terminal HIGH side and LOW side The principle of a contact check is shown below Principle HIGH side contact check Using output voltage monitor V1 and contact check voltage monitor V2 the voltage of the measurement terminal is measured and whether the output voltage is reliably applied to the terminal is checked Route 1 LOW side contact check Internal power supply DCV for a contact check on the LOW...

Page 183: ... 0 0 002 M 0 005 M 0 02 M 0 05 M 0 2 M 0 5 M 2 M 5 M 100 M 2000 M 4000 M 1000 V 500 V 200 V 100 V Measured resistance Ω Output voltage V Output voltage depends on measurement current 1 8 mA If the equipment to be measured carries 1 8 mA or more the voltage does not rise to the set output voltage 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 184: ...culated as follows CV it C Capacitance F V Voltage V i Current A t Time s Example If a test voltage of 500 V is applied to a 1 0 µF capacitor the time required for the output voltage to rise to 500 V is approximately 0 28 s calculated by 1 0 µF 500 V 1 8 mA If the equipment to be measured contains capacitive components extend the test duration Repeat accuracy Test condition Connect and measure the...

Page 185: ...7 1 8 3 7 0 05 µF 3 0 2 5 7 0 3 0 5 8 7 7 0 1 µF 5 8 4 5 14 0 6 8 11 5 53 0 SLOW Voltage Capacitance 25 V 50 V 100 V 250 V 500 V 1000 V 0 001 µF 1 0 1 0 1 0 1 0 1 0 1 0 0 01 µF 1 2 1 0 1 6 1 2 1 8 1 5 0 05 µF 1 5 1 2 2 2 2 0 2 8 1 4 0 1 µF 2 0 1 6 3 8 2 0 3 0 8 6 Variation may be different depending on the capacitor type 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 186: ...ppx 6 Influence of Noise p Appx 7 Cable UL1032 AWG18 Twisted wires 75 wires f0 12 mm extended optional L2200 Instrument settings Test voltage 1000 V Resistance range 4000 MΩ range Load 3600 MΩ cable coupling capacitance approx 250 pF Cable length Measurement speed 0 7 m 2 m 3 m 4 m FAST 0 1 0 4 0 7 0 9 SLOW 0 1 0 4 0 6 0 8 The values above indicate the repeat accuracy Cautions for measurement cabl...

Page 187: ...le of the power frequency is generally used Figure Noise caused by commercial power supply The measurement speed of this instrument is FAST or SLOW In a high resistance measurement the measured value may not be stabilized In such a case reduce the measurement speed or take appropriate measures to reduce noise If the instrument is used with a power frequency setting of 60 Hz in a 50 Hz area the mea...

Page 188: ...nd stop current spikes are generated in the power supply Due to the current spikes and power line wiring impedance significant voltage spikes are generated in the power line and power ground line which can affect measurement equipment Noise may be generated from the controller control line in the same manner The noise from the controller power or the DC DC converter inside the controller enters th...

Page 189: ...rter Isolation Common mode filter in the entry route Power line L N PE Different power line L N PE Isolation Separating the power line Figure Measures for conductive noise Separating the power line It is desirable to prepare a different power line for the power system welder etc Inserting a common mode filter EMI choke in the entry route Selecting and inserting several common mode filters with a h...

Page 190: ...en removing the Rack Mounting Plate to return the instrument to stand alone use replace the same screws that were installed originally Feet M3 6 mm Rack Mounting Plate template diagram and installation procedure Rack Mounting Plate EIA 44 4 φ5 4 2 C2 R3 5 Same shape at 4 locations 44 5 80 88 1 2 Cold rolled steel sheet t2 0 220 336 464 480 12 180 166 57 5 71 15 3 2 R Same shape at 4 locations 316 ...

Page 191: ...4 2 C2 R3 Same shape at 4 locations 50 80 99 2 Cold rolled steel sheet t2 0 216 336 450 480 17 5 44 180 166 57 5 71 15 3 2 R Same shape at 4 locations 316 336 350 44 8 4 M5 press nuts 60 120 Cold rolled steel sheet t2 0 32 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 192: ...ttom of the instrument and remove the four screws 2 Affix the Rack Mounting Plate with the M3 6 mm screws IMPORTANT When installing into the rack support the installation with a commercially available support stand M3 6 mm Rack Mounting Plate M3 6 mm ...

Page 193: ...Appx 13 Rack Mounting Screw location dimensional drawing 10 9 8 7 6 5 4 3 2 1 Appx Ind ...

Page 194: ...Appx 14 Dimensional Diagram Appx 8 Dimensional Diagram 166 2 215 1 14 1 80 1 ...

Page 195: ...pacitive load Appx 3 Initialization 72 Inspection 27 J Judgment results Beep sound 47 K Key operation Disable 65 Enable 66 Key operation sound 67 M Maintenance 161 Measured value Unstable Appx 4 Measurement lead 24 Make your own Appx 6 Measurement speed 38 O Option 2 160 P Panel Change the panel name 78 Delete data 79 Panel load 75 77 Panel save 75 76 Power Turn off 26 Turn on 26 Power cord 23 R R...

Page 196: ...Ind 2 Index T Test duration 39 Testing Completing measurement 53 During measurement 51 Starting measurements 49 Test mode 46 TEST signal 96 101 Test voltage 34 Timing chart 88 Troubleshooting 163 ...

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