Hioki ST5520-01 User manual
ST5520･ST5520-01 Instruction Manual
INSULATION TESTER
ST5520-01
INSULATION TESTER
ST5520
Instruction Manual
Aug.2015 Revised edition 2
ST5520A981-02 15-08H
EN
i
Contents
Introduction........................................................................................1
Verifying Package Contents.............................................................1
Safety Notes.......................................................................................3
Usage Notes.......................................................................................7
1 Overview 15
1.1 Product Overview and Features ...........................................15
■Overview ............................................................................................15
■Features.............................................................................................16
1.2 Parts Names and Functions..................................................17
1.3 MeasurementWorkow.........................................................19
1.4 ScreenCongurationandOperationOverview ..................20
■Measurement screen..........................................................................20
■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 ConnectingtotheEquipmenttobeMeasured....................26
2.4 Turning the Power On and Off ..............................................26
■Turning on the power .........................................................................26
■Turning off the power..........................................................................26
2.5 Pre-OperationInspection ......................................................27
■Checking the insulation resistance test..............................................28
■Checking the contact check function..................................................29
3 Basic Settings 33
3.1 Setting the Test Voltage.........................................................34
ST5520A981-02
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Appx. Ind.
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Contents
3.2 Setting the Range...................................................................36
3.3 SwitchingtheMeasurementSpeed(FAST/SLOW) .............38
3.4 SettingtheTestDurationandResponseTime....................39
■Setting how long to apply the test voltage..........................................39
■Setting the response time...................................................................41
3.5 JudgingMeasuredValues(Comparatorfunction) ..............44
3.6 Setting the Test Mode............................................................46
3.7 AnnouncingtheJudgmentResultsUsingaBeepSound.47
4 Testing 49
4.1 Starting Measurements .........................................................49
4.2 During Measurement .............................................................51
4.3 MeasuredValueDisplay ........................................................52
4.4 CompletingMeasurement .....................................................53
4.5 AutomaticDischargeFunction .............................................54
5 Useful Functions 55
5.1 CheckingFaultyContactandContactStatus(Contact
checkfunction).......................................................................56
■Connecting test leads.........................................................................58
■Example of connection to equipment to be measured.......................58
■2-terminal contact check function.......................................................59
5.2 CheckingShortCircuitbeforeApplyingtheSetVoltage
(Shortcircuitcheckfunction) ...............................................60
5.3 Enabling/DisablingtheKeyOperations...............................65
5.4 SettingtheKeyOperationSound.........................................67
5.5 PreventingOperationErrorsattheStartofTesting
(Doubleactionfunction)........................................................68
5.6 AdjustingtheScreenContrast .............................................69
5.7 AdjustingtheBacklight .........................................................70
5.8 SettingtheFrequencyofPowerSupplyManually..............71
5.9 InitializingtheSystem(Reset) ..............................................72
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Contents
5.10 Default Setting List ................................................................73
6 Saving and Loading Measurement Conditions
(Memoryfunction) 75
6.1 Saving the Measurement Conditions
(Panelsavefunction) .............................................................76
6.2 Loading the Measurement Conditions
(Panelloadfunction)..............................................................77
6.3 Changing the Panel Name.....................................................78
6.4 Deleting the Panel Data .........................................................79
7 ExternalControl(EXT.I/O) 81
7.1 ExternalInput/OutputTerminalandSignals........................82
■Switching between current sink (NPN) and current source (PNP).....82
■Connector type and signal pinouts.....................................................83
■Signal descriptions.............................................................................86
7.2 Timing Chart...........................................................................88
7.3 InternalCircuitConguration ...............................................96
■Electrical specications ......................................................................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 UsingAnalogOutput ...........................................................104
■Connecting the output cord..............................................................105
■Setting the analog output .................................................................105
7.7 Interlock Function................................................................106
7.8 UsingtheSwitchedProbe...................................................108
■Connecting the 9299 Switched Probe..............................................109
7.9 AccessoryConnectorAssembly ........................................ 111
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Contents
8 Communications(RS-232Cinterface) 113
8.1 Interface Overview and Features........................................113
8.2 Using the RS-232C Interface...............................................114
■Setting communications conditions..................................................114
■Connecting the RS-232C cable........................................................115
8.3 AutomaticallyExportingMeasuredValuesattheEnds
ofTests(Dataoutputfunction) ...........................................117
8.4 ControllingtheInstrumentandAcquiringDatawith
Commands............................................................................119
■Remote and local states...................................................................119
■Displaying communications commands (Communications monitor
function)............................................................................................120
8.5 DataFormatTable ................................................................125
8.6 Command Reference ...........................................................126
9 Specications 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 specications..........................................................................162
■Accessories......................................................................................164
■Options.............................................................................................164
10 Maintenance and Service 165
10.1 Maintenance .........................................................................165
10.2 Troubleshooting ...................................................................167
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Contents
■Error display and solutions...............................................................171
Appendix Appx.1
Appx.1 BlockDiagram.......................................................Appx.1
Appx.2 ContactCheckFunction.......................................Appx.2
Appx.3 OutputVoltageandMeasurementResistance...Appx.3
Appx.4 InuenceofCapacitiveLoad ...............................Appx.4
Appx.5 InuenceofCableLength ....................................Appx.6
Appx.6 InuenceofNoise .................................................Appx.7
Appx.7 RackMounting ....................................................Appx.10
Appx.8 DimensionalDiagram .........................................Appx.14
Index Ind.1
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Contents
1
Introduction
Introduction
Thank you for choosing the HIOKI ST5520/ST5520-01 Insulation Tester. To obtain
maximum performance from the product, please read this manual rst, and keep it
handy for future reference.
The ST5520-01 is equipped with the BCD output function of the ST5520. The artwork
of the ST5520 is used in this manual.
Verifying 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
specications, contact your authorized Hioki distributor or reseller.
Check the package contents as follows.
ST5520 or ST5520-01
Insulation Tester .........................................1Power cord .................................................1
Instruction Manual......................................1
EXT.I/O connector (pin contacts)................1
EXT.I/O connector cover.......................1 set
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Appx. Ind.
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Verifying Package Contents
Options
The following options are 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)
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1
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