Nakanishi E2530 SYSTEM User manual

OM-K0495E
E2530 SYSTEM
contents
１．Cautionsforhandlingandoperation
２．Features
３．Specifications
４．Torque/OutputCharacteristics
５．Nomenclature
６．Diagrams
７．InputVoltageSwitching
８．ChangingFuses
９．PowerCordConnection
10．BracketInstallation
11．MotorCordConnection
12．AirHoseConnection
13．OperationProcedures
14．
ExternalInput/OutputControlSignalSpecifications 
15．ProtectFunction
16．Break-InProcedure
17．TroubleShooting
18．E2530SystemChart
19．SettingofOperatingParameters
２
３
３
４
４
６
７
８
８
９
10
10
11
13
17
19
19
20
20
INSTRUCTIONSANDWARNING-ElectricDevices
1

1
Whenusingelectrictools,basicsafetyprecautionsshouldalwaysbefollowedtoreducetheriskoffire,electrical
shockandpersonalinjury,includingthefollowing.
Readalltheseinstructionsbeforeoperatingthisproductandsavetheseinstructions.
IMPORTANTINSTRUCTIONSANDWARNING-ElectricDevices

WARNING!

GROUNDINGINSTRUCTIONS
1.Intheeventofamalfunctionorbreakdown,groundingprovidesapathofleastresistanceforelectriccurrent
toreducetheriskofelectricshock.Thistoolisequippedwithanelectriccordwithagroundingconductor
andagroundingplug.Theplugmustbepluggedintoamatchingoutletthatisproperlyinstalledand
groundedinaccordancewithalllocalcodesandordnances.
2.Don'tmodifytheplugprovided-ifitwillnotfittheoutlet,havetheproperoutletinstalledbyaqualified
electrician.
3.Improperconnectionofthegroundingconductorcanresultinelectricshock.Theconductorwithinsulation
havinganoutersurfacethatisgreenwithorwithoutyellowstripesisthegroundingconductor.Ifrepairor
replacementoftheelectriccordorplugisnecessary,donotconnectthegroundingconductortoalive
terminal.
4.Checkwithaqualifiedelectricianorservicepersonifthegroundinginstructionsarenotcompletely
understood,orifindoubtastowhetherthetoolisproperlygrounded.
5.Useonly3-wireextensioncordsthathave3-pronggroundingplugsand3-polereceptaclesthatacceptthe
tool'splug.
6.Repairorreplacedamagedorworncordimmediately.
7.ThistoolisintendedforuseonacircuitthathasanoutletthatlooksliketheoneillustratedinSketchAin
Figure(below)(115V).ThetoolhasagroundingplugthatlooksliketheplugillustratedinSketchAinFigure
(below).
8.ForInstallationinMachineElectricalCabinetorwhenwiringdirectrytomachineinternalpowerterminalstrip:
1)Preaserefertothepindiagrambelowfortheproperwiringconfiguration.Theplugshownisthefemaleplug
thatattachestotheE2530mainpowerinlet.
2)Makesureyoutesteachindividualwiretoverifypropercircuitpriortoattachinganywiretotheterminal
block.Donotassumewirecolorsarethesameforallpowercords.
9.Installanovercurrentprotectivedeviceofmaximum10Ampon
theE2530mainpowercircuit.
10.USEPROPEREXTENSIONCORD.Makesureyourextensioncordisingoodcondition.Whenusingan
extensioncord,besuretouseoneheavyenoughtocarrythecurrentyourproductwilldraw.
Anundersizedcordwillcauseadropthelinevoltageresultinginlossofpowerandoverheating.
Table(below)showsthecorrectsizetousedependingoncordlengthandnameplateampererating.
Ifindoubt,usethenextheaviergage.Thesmallerthegagenumber,theheavierthecord.
!
GROUNDING
PIN
(A) (B)
COVEROFGROUND
OUTLETBOX
GroundingMethod Powercordconnector
AmpereRating
More
Than
Not
More
Than
0
6
10
12
6
10
12
16
Volts
120V
240V
Totallengthofcord
7.5m(25ft.)
15m(50ft.)
15m(50ft.)
30m(100ft.)
30m(100ft.)
60m(200ft.)
45m(150ft.)
90m(300ft.)
18
18
16
14
16
16
16
12
16
14
14
14
12
12
NotRecommended
OnlytheapplicablepartsoftheTableneedtobeincluded.Forinstance,
a120-voltproductneedincludethe240-voltheading.
Minimumgageforcord
LEN
L : Line
N : Neutral
E : Earth

2
1
■Readthesecautionscarefullyandonlyuseinthemannerintended.
■Safety instructions are intended to avoid potential hazards that could result in personal injury or
damage to the device. Safety instructions are classified as follows in accordance with the
seriousnessoftherisk.
ThankyouforpurchasingtheUltra-Precision,High-Speedspindlesystem,E2530.TheE2530System
wasdesignedforuseonCNClathes,robots,NClathesandspecialpurposemachines.Themotor,
spindleandcontrolunit aredesignedtoworkasan integratedsystemcapableof5,000-30,000min
− 1.
Thissystemutilizes air to cool themotorandprotectthespindle, please use an airlinekittoensure
clean,dry,properlyregulatedairissuppliedtothemotorandspindle.TheE2530systemiscapableof
beingusedwithcoolantsandcuttinglubricants.
PleasereadthisOperationManualcarefullypriortouse.
！
①
②
③
④
⑤
⑥
⑦
⑧
！
！
！
①
②
③
④
⑤
⑥

3
⑨
⑩-1
⑪
⑫
⑬
⑭
⑮
3
Input
※Note1
Output
※Note1
Model
Input
Output
OperatingTemperature
AmbientHumidity
OverVoltageCategory
PollutionDegree
SpeedRange
Control
Signal
ProtectionCircuits
Dimensions
Weight
ControlUnit
AC115V/230V,50/60Hz,1PHASE,1.0A/0.5A
AC12V,3PHASE,2.8A
0-40℃
MAX.85%
Ⅱ
2
5,000-30,000min
− 1(500min − 1forcenteringonly)
TransistorActivationConnections:5
AnalogConnections:2
TransistorActivationConnections:9
AnalogOutputConnections:3


3.6kg
W108㎜×D156㎜×H175㎜
Over-Voltage,Over-Current,OverLoad,SensorMalfunction,Overheat,Brake
Malfunction,SpindleLock,LowAirPressure,Start-UpError,Over-Speed
NE236
2
①TheE2530systemisdesignedto bemountedinaCNClathe,robot,NClathe or specialpurpose
machinefordrilling,milling,slitting,grindingorothersimilarapplication.
②Ahigh-speedbrushlessmotorisusedtoachieveamaximumspeedof30,000min-1andeliminatethe
nuisanceofbrushmaintenance.
③Speedcontrolandprotectionfunctionsutilizeahighperformancemicroprocessor.
④Automaticcontrolandmonitoringofspindlefunctionsarepossible.
⑤Widespeedrange,5,000-30,000min-1makeshighprecisionmachiningpossible.
⑥Compactcontrolunitdesignallowseasyinstallationinspacerestrictedmachines.Connectorsand
controlpanelarefrontmountedforeasyaccess.
⑦Control Unit is capable of being connected to 120V or 230V power sources. The control unit
incorporates a voltage selection switch; make sure this switch is set to the proper position for the
voltagebeingused.
※Note1:ProtectivelySeparated
・PowerCord・AirHosewithFilter・ConnectorCap・ConnectorCoverA・ConnectorCoverB
・Bracket(2pcs.)・NylonTensionRelief・Screw(7pcs.)・OperationManual
StandardAccessories

4
4
※Outputcurveshownis
intermittentuseCurve
− 1３
MotorSpeed（ｘ10min）
Torque(cN･ｍ)
Output(Ｗ)
E2530Characteristics
Output
IntermittentUseArea
ContinuousUseArea
Torque
Torque
７
２
３
０
４
５
2010
140
120
100
80
60
40
20
0
１
30
６

②
①
③ ④
⑤
⑥
⑦
⑩
⑧
⑨
5
（1）System
①Unit(NE236Shown)
②PowerSwitch
③FuseHolder
④MainPowerInlet
⑤ControlPanel
⑥MotorConnector
⑦AirInputJoint
Supply clean, dry, regulated air for motor cooling. 
Regulate air to between 0.15MPa-0.25MPa. Air
mustbesuppliedtooperatethesystem.
⑧Coolingairoutputjointformotor
Connect 4㎜ air hose from motor to output joint
using4㎜to6㎜adaptor.
Ifthispositionisnotbeingused,pleaseinstallthe
airplugtopreventcontamination.
⑨Input/OutputConnectorA
Connector for automatic control and monitoring of
motor/spindlesystem.
Whennotinusepleaseinstalltheconnectorcover
to prevent damage or contamination of connector
orpins.
⑩Input/OutputConnectorB
Whennotinusepleaseinstalltheconnectorcover
to prevent damage or contamination of connector
orpins.

5
（2）ControlPanel
⑪
⑫
⑬
⑭
⑱
⑳
⑲
@1
⑯ ⑮
⑰
⑪DigitalSpeedIndicator(Speed)
Preset Speed, Actual Speed, Warning and Error
Codesaredisplayedto2digits.Whenthemotoris
stopped the Preset Speed is displayed, when the
motorisrotatingtheactualspeedisdisplayed.The
displayalsodisplaystheerrorcodeswhenanerror
hasoccurred.
⑫Speedadjustmentknob
Steplessly adjustable speed control.  Rotating the
knobclockwisewillincreaserotatingspeed.Speed
isadjustablefrom5,000-30,000min-1.
⑬StartSwitch
Startsandstopsmotorrotation.
⑭Forward/ReverseSwitch
Right hand rotation(FWD) and left hand
rotation(REV) are as viewed with the cutting tool
facingtheoperator.Withthecuttingtoolfacingthe
operatorrighthandrotation(FWD)willbeclockwise
rotation.
⑮ControllerSwitch(Auto-Manual)
This switch selects motor/spindle control from the
ControlPanelorfromanexternalsource.
●MANUAL：ControlPanel
●AUTOqq：Externalcontrolthrough
theinput/outputconnector.
⑯CenteringModeSwitch(500min-1)
This switch activates the centering mode, which
maintains a constant 500min-1 spindle speed for
centeringthetool.
⑰ResetSwitch(Reset)
This switch resets and allows restarting of the
motor/spindle after an error has been corrected. 
Someerrorcodeswillnotallowtheunittobereset
untilafterthepowerswitchhasbeenturnedoff.
⑱LoadMonitorLED(Load)
Themotor/spindleloadisdisplayed by6LED,s (3
Green,2Yellowand1Red).Continuousoperation
ispossiblewithuptoall3greenLED,slit.Ifoneof
theyellowLED,sislitthemotor/spindlecanonlybe
runforashorttime.PleaserefertoSection⁄5 part
4ofthismanualforallowabledurationofhighload
operation.

6
6Diagrams
ControlUnitDiagram
Fig.3 Fig.4
When any of the yellow or red LEDs are lit the
warningLED(Warning)⑳willflash,ifthiscondition
iscontinuedbeyondtheallowableintervaltheerror
LED(Error)⑲willflash andthemotor/spindle will
beshutdown.
⑲ErrorLED(Error)
When a serious problem with the system is
detectedthisLEDblinks,the motor/spindleisshut
down and the Digital Speed Indicator ⑪ displays
theerrorcode.
⑳WARNINGLED(WARNING)
Theoperatingandworkingconditionsofthesystem
are constantly monitored and the warning LED
blinks when a hazardous condition has been
detected.Whenahazardousconditionisdetected
the warning LED blinks and the Digital Speed
Indicator ⑪ alternates between the warning code
and the actual or preset speed, depending on
whetherornotthemotor/spindleisrotating.
@1RotatingLED(RUN)
WhenthemotorisrotatingthisLEDwillflash.
Mountingbracketsareprovidedformountingthecontrolunit.
Thecontrolunitcanbemountedeitherverticallyorhorizontally.
PleasereviewthemountingcautionsonP9⁄00priortomounting
thecontrolunit.
Bracketsinstalled
onthebottom
207.6
193.8
25 20
219.8
68
108
174.8
25 25
156
174.8
10
206
10 156
108
4.5
4.5
68
Bracketsinstalled
ontherear

7
7
・TheControlUnitiscompatiblewith120V-230Vmainsupplyvoltageandisequippedwithaswitchfor
voltageselection.
・Beforeconnectingthecontrolunittothepowersupply,pleasecheckthemainfusesandverifythat
theyarecompatiblewiththevoltagebeingsupplied.Pleaserefertotheflowchartbelowforvoltage
switchingprocedures.
！
！
200/230V 100/115V
200/230V 100/115V
SwitchthemainpowerswitchonthecontrolunittoOFF
Disconnectthemainpowercordfromtheelectricaloutlet
InputVoltageSupply120V InputVoltageSupply230V
Fuse:T3.15A(250V) OrderNo.U195-152 Fuse:T1.6A(250V)OrderNo.U197-152
MovetheVoltageSelectionSwitch
totherighthandposition
MovetheVoltageSelectionSwitch
tothelefthandposition
Referto,ChangingFuses Referto,ChangingFuses
Concave Concave
※SwitchLocationDiagram
・Thevoltageselectionswitchis
locatedonthelower,rearportion
oftheleftsidepanel.
・Pleaseuseastandardscrew
drivertochangetheselector
switchposition.

8
8
9
・
・
・
！
！
・Pushontheclipsonthetopandbottomofthefuseholderandremovethefuseholderandfuses.
・Removethebadfuseorfusesandreplacewiththepropertypeandratingoffuseaslistedbelowand
determinedbytheinputvoltagebeingused.
Therearetwodifferenttypesoffusesdependingontheinputpowersourcevoltage.
115V Ｔ3.15Ａ(250V)U195-152
230V Ｔ1.6Ａ(250V)U197-152
・Replacethefuseholdercontainingthefusesintothefuseinletboxandmakesureitsnapsinplace.
・Insertthefemaleplugintothemainpowerinletbox④inthefrontoftheunit.
・Ascrewholeisprovidedonthelower,rightsideofthecontrolunitforattachingthetensionrelief.
UsetheprovidedNylonTensionRelieftoattachthepowercordtothesideofthecontrolunit.
cap

9
10 
・
・
！
・Twomountingbracketsareprovidedwiththesystem.
・Thebracketscanbeinstalledonthebottomoronthebackofthecontrolunit.
・Afterinstallingthebracketsyoucanusethescrewcutoutstomountthecontrolunit.
・Attachthebracketsusingthesixholeson
thebottomoftheunitusingtheprovided
screws.
・Attachthebracketsusingthesixholeson
thebackoftheunitusingtheprovided
screws.
①BottomInstallation
Wheninstalling2ormorecontrolunitsinthemachinecabinetmakesuretocheckthateachsingle
controlunithastheproperclearanceonallsides.
③ProperClearance
Bracket
②BackSideInstallation
Bracket
20㎜20㎜
30㎜
30㎜30㎜
30㎜ 30㎜ 30㎜ 30㎜
30㎜

10
12 
・
・
・
！
・Inserttheprovidedφ6㎜filteredairhosefromtheAL-0201airlinekitintotheinletjoint⑦onthe
frontofthecontrolunit.(IfyouarenotusingtheAL-0201airlinekit,makesurethattheincoming
airsupplyisdry,cleanair.)
・Insertoneendoftheprovidedφ4㎜coolingairhoseintothebackofthemotor.
・
Inserttheotherendoftheφ4㎜
coolingairhoseintotheoutputjoint⑧onthefrontofthecontrol
unitusingtheprovided6㎜to4㎜adaptor.
・Regulateairpressurebetween0.15-0.25MPa.
11 
・AligntheguidepinAonthemotor
plugwiththekeywayBonthemotor
socketonthefrontofthecontrolunit.
・ScrewinthecouplingnutCofthe
motorplugtothemotorsocketDon
thefrontofthecontrolunit. Ｃ
D
AB
⑦ ⑧
AirHosewithfilterAirHosewithfilter
Reducer
（φ６ ― φ4）
Reducer
（φ６ ― φ4）
AirHoseforthecoolantofmotor
（Outsidediameterφ4㎜,length4m）
AirHoseforthecoolantofmotor
（Outsidediameterφ4㎜,length4m）

11
13 
（1）Selectingcontrolmode
・Usingthecontrolswitch(⑮in )youcanselectbetweenManual(FrontPanelControl)orAuto
ExternalSignalSourcecanbeusedtocontrolMotorStart/Stop,RotationalDirection,
500min-1centeringrotation.










・ManualMode-FrontPanelOperation.
・AutoMode-ControlbyExternalSignalSource.

（2）RotationDirection,500min-1centeringrotation,MotorStart/Stop.
①ManualControlMode 
・Setrotationdirection Pushtherotationaldirectionswitch⑭

・Select500min-1centeringrotation 
Pushthe500min-1switch⑯ 
(Neveruse500min-1rotationforcutting,thismodeisonlyfor
centeringonamachiningcenter)

・MotorStart/Stop  PushStartswitch⑬,the'Start'LEDwilllightandthespindlewill 
rotate.PushtheswitchagaintostopthespindletheLEDwillturnoff
andthespindlewillstoprotating.

⑮ControlSwitch
⑯500min-1Switch
⑭RotationaldirectionSwitch
⑬StartSwitch
②AutoControlMode
UsetheInput/OutputConnectorA⑨toinputcontrolsignalstotheunit.
・Setmotorrotatingdirection InputthemotorrotatingdirectionsignaltoPinNo.2:DIRIN
RighthandrotationisOFF'Open'("F.W.D"LEDwilllight)
LefthandrotationisON'Closed'("R.E.V"LEDwilllight)
・Set500min-1rotation InputthecenteringrotationsignaltoPinNo.16:500min-1
500min-1LEDwilllight
Neveruse500min-1centeringrotationforcutting

12
・MotorStart/Stop  InputthemotorstartsignaltoPinNo.14:START
MotorrotatingisON'Closed'(STARTLEDwilllight)
MotorstoppedisOFF'Open'(StartLEDisOff)
IfthemotorstartsignalisON'Closed'andthepowerswitchis
turnedonorthecontrolmodeischangedfromMANUALto
AUTOerrorcode'EA'willbedisplayed.Thisisasafetyfeature
 topreventunintendedrotation.

（3）SettingMotorSpeed
①ControlModeissettoMANUAL
SetthespeedbyrotatingtheSPEEDKnob⑫.Clockwiseincreasesspeed,counterclockwise
decreasesspeed.











・MotorSpeedRangeis5,000-30,000min
− 1.
Iftheairpressureistoolowthecontrolunitwillnotoperate.
・Themotorspeedisdisplayedin1,000min-1.30equals30,000min-1
⁄9
・ ・ ・
・ ・
！
⑫Knob
②ControlModeissettoAUTO
InputExternalSignalSourcetoInput/OutputConnectorA⑨
・MotorrotationspeedissetbyvoltageinputtoMotorSpeedControlSignal(PinNo.23:VR1)
・0VDCequals5,000min-1andmorethan8VDCequals30,000min-1.
・Themotorspeedisdisplayedin1,000min-1.30equals30,000min-1.

（4）SettingotherMotorSpeedParameters
ThefollowingMotorSpeedParameterscanalsobepreset.
・Fixthemotorspeedofmotor.
・Setthemaximummotorspeedofmotor.
・WhenusingAUTOcontrolmodethemotorspeedofmotorcanbeseteitherelectronicallyorbythe
potentiometeronthefrontpanel.
・MotorStartCommandSignalMethod
・AirInputmonitoringoverride
・IfanerroroccursanerrorsignalisoutputtotheInput/OutputConnectors.Thedefaultsettingis
ON('Closed')andOFF('Open'),thissettingcanbereversedifdesired.PleaserefertotheSettingof
Parameterssectionofthismanualfordetailsonreversingthesesignals.

13
14 
①OutsideINPUT-OUTPUTConnectorSignalDetail
（1）Input/OutputConnectorA
Pin
No. PinName Description Input/
Output Signal Function
※1Theerrorsignaloutputcanbereversed.Pleaserefertothesettingofparameterssectionofthismanual.
※2
・
・
！
１ COM(+)

２ DIRIN

３ −
４ RESET

５ −
６ RUN

７ DIROUT

８ ERR

９ −
10 GND
11 VCC

12 MOTORI


13 GND
14 START

15 −
16 500min-1

17 OPIN
18 COM(-)
19 PULSE
20 WARNING

21 COIN



22 −
23 VR


24 LOAD


25 SPEEDV

24VDCPowerSourcefor
ExternalControlInputs

Rotationdirected
signal
NotUsed
ErrorReleaseSignal

NotUsed
RotatingSignal

RotatingDirection
Signal
ErrorSignal

NotUsed
PowerSourceGND
10VDCPowerSourcefor
ExternalControlInputs

MotorCurrentMonitor


PowerSourceGND
RotateCommand
Signal
NotUsed
RotatesMotorat
CenteringSpeed
ReservedSignal
ExternalPowerSourceGND 
RotatingPulse
WARNINGSignal

SpeedAchievement
Signal


NotUsed
MotorSpeedControl
Signal

TorqueLoadMonitor


RotatingSpeed
MonitorVoltage

PowerSourcetobeusedforExternalInputs.+24Vor0V
DC(*2).
Controlsthedirectionofrotationofthemotor.

NotUsed
Errorcodecanbereleasedandthesystemrestartedby
switchingthissignalOFFandON.
NotUsed
Voltageoutputshowsthatthemotorisrotating.

Voltageoutputshowsthedirectionthemotorisrotating.

Errorhasoccurred.(*1).
ErrorCodeisdisplayedontheDigitalSpeedDisplay.
NotUsed.
InternalGround(*2).
PowerSourceforExternalSpeedControlSignal.

VoltageOutputshowsthemotorcurrentconsumption.
Outputvoltageisproportionaltothemotorcurrent
consumption.
InternalGround.
StartsandStopsmotorrotation.

NotUsed
Maintainsconstant500min-1motorspeedforcentering

ReservedSignalDONOTUSE
ConnecttoGNDofexternalPowerSource
1revolutionofthemotorgeneratesonepulse.Duty50%
ThisoutputshowsaWARNINGhasoccurred.The
WARNINGCodeisshownontheDigitalSpeedIndicator
Voltageoutputshowsthatthemotorhasachievedmore
than90%ofthesetspeed.


NotUsed
SetsrotatingspeedofMotor
VoltageOutputisproportionaltothemotorspeed.

Voltageoutputshowsthetorquebeingappliedtothe
motor.Loadmonitorvoltagex20equalsthetorqueload%.
20V=Load%
VoltageOutputisproportionaltothemotorspeed

Input

Input

−
Input

−
Output

Output

Output

−
Output
Output

Output


Output
Input

−
Input

− 
Input
Output
Output

Output



−
Input


Output


Output


+24Vor0VDC

OFF(Open):FWD
ON(Closed):REV

ON(Closed)
OFF(Open)

ON(Closed):MotorRotating
OFF(Open):MotorStopped

OFF(Open):FWD
ON(Closed):REV
ON(Closed):Normal
OFF(Open):Error

InternalGND
+10VDC

0-10VDC
0V:0A
10V:20A
InternalGND
ON(Closed):Rotation 
ＯＦＦ(Open):Stop

ON(Closed):500 min-1 
OFF(Open):NormalOperation 
−
ExternalGround
1pulse/rotation
OFF(Open):NormalOperation 
ON(Closed):WARNING 
ON(Closed):Ordered
SpeedAchieved
OFF(Open):Ordered
SpeedNotAchieved

0-10VDC
0V:5,000min-1
8V:30,000min-1
0-10VDC
0V:0%
10V:200%
0-10VDC
1V：10,000min-1
3V：30,000min-1

14
②Input/OutputSignals
●InputSignal
Thereare4kindsofinputsignals:rotationcommand,rotationdirection,500min-1speedcommand.
Thesesignalsare+24VDcsignalsfromanexternalsignalsource.
Pleaseuseaseparatepowersourcethatiscapableofsupplying24VDC±10%,20mA(5mA/circuit).
RefertoFiguresbelowforconnections.

＋24Ｖ
1
0Ｖ
1
Thesideofunit Thesideofunit
COM：＋24V
PIN1(COM)connectedto+24VDC PIN1(COM)connectedto0VDC
COM：0Ｖ
＋24V
Thesideofunit
R
R
18
− COM：0V
●OutputSignal
Thereare6kindsofoutputsignals:rotating,rotatingdirection,rotatingpulse,rotatingspeed
achieved,warning,anderror.Thesesignalsarepulsedtransistoractivationsignals.
VoltageandCurrentSpecifications
AppliedVoltage(Vmax)≦30VDC
WorkingCurrent(Ip)≦100mA(RotationalPulse50mA)
Useanexternalpowersourceforoutputcircuits.Itisrecommendedtousethesame24VDCpower
sourceusedforinputsignals.Pleasereferto forconnections.

15
●MotorSpeedControlSignal
RefertoFig.21forconnections.
Fig.21
0V
10
11
Potentiometer
5ＫΩ
23
Thesideofunit
10VDCPowerSourcefor
ExternalControlInputs

MotorSpeedControlSignal
●MonitoringSignals
Thereare3kindsofanalogmonitoringsignals:
MotorCurrent,TorqueLoadMonitorandRotating
SpeedMonitor.PleaserefertoFig. 22for
connections.
Fig.22
Thesideofunit
Ｖ
Ｖ
Ｖ １ＫΩ
１ＫΩ
１ＫΩ
0V
13
25
24
12 MotorCurrent
Monitor
TorqueLoad
Monitor
RotatingSpeed
MonitorVoltage
Pin
No.
PinName Description Input/
Outpu Signal Function
１ −
２ MT − CNＡ

３ −
４ −
５ AUTO+

６ PWON+

７ −
８ −
９ −
10 MT − CNB

11 −
12 −
13 AUTO
− 

14 PWON − 

15 ―
NotUsed
MotorSignalConnect
ContactA
NotUsed
NotUsed
AUTOMode
Signal(+)
UnitPowerSource
Monitor(+)
NotUsed
NotUsed
NotUsed
MotorSignalConnect
ContactB
NotUsed
NotUsed
AUTOModeSignal(-)

UnitPowerSource
Monitor(-)
NotUsed
Whenthereiscontinuity,OFF,betweenPIN2andPIN10the
motorisconnected,ifnocontinuitythemotorisdisconnec-
tedorthemotorcordisbroken.
NotUsed
NotUsed
NotUsed
WhenAUTOModeisbeingusedthisPinisON(Closed)
NotUsed
Ifthemainpowersupplytotheunitisconnectedthisoutput
isON(Closed)
Whenthereiscontinuity,OFF,betweenPIN2andPIN10the
motorisconnected,ifnocontinuitythemotorisdisconnec-
tedorthemotorcordisbroken.
WhenAUTOModeisbeingusedthisPinisON(Closed)
Ifthemainpowersupplytotheunitisconnectedthisoutput
isON(Closed)
NotUsed
NotUsed
NotUsed
NotUsed
NotUsed
Continuity,OFF(Open),
betweenPIN2andPIN10
themotorisconnected.
AutoModeOperation
ON(Closed)
ON(Closed):MainPowerSup-
plyisconnected
OFF(Open):MainPowerSup-
plyisdisconnected
Continuity, OFF(Open) ,
betweenPIN2andPIN10
themotorisconnected.
AutoModeOperation
ON(Closed)
ON(Closed):MainPower
Supplyisconnected
OFF(Open):MainPower
Supplyisdisconnected

Output



Output

Output




Output



Output

Output
・When using 0V DO NOT connect to PIN10 or 13(Internal Ground) of Input/Output
Connector A.
！
※1
（2）Input/OutputConnectorB
①OutsideINPUT-OUTPUTConnectorBSignalDetails

Caution

16
＋24V
0V
TheSideofunit
13
10
2
5
0V
R
②Input/OutputSignals
●OutputSignal（PINNo.2-10,5-13,6-14）
Thereare3kindsofoutputsignals:MotorSignalConnectDetector,AUTOMODEandUnit
PowerSourceMonitoring.
Thesesignalsarepulsedtransistoractivationsignals.
VoltageandCurrentSpecifications
AppliedVoltage(Vmax)≦30VDC
WorkingCurrent(Ip)≦100mA(RotationalPulse50mA)
Useanexternalpowersourceforoutputcircuits.Itisrecommendedtouseaseparatepowerfrom
theoneusedforInput/OutputConnectorA.Pleasereferto forconnections.
R
R
0V
14
6R
（3）Input/OutputSignalConnectorSpecifications

Input/OutputConnectorA
PlugPartNumber：XM2A-2501OMRON(orothersimilarhigh-qualityproduct)
CoverPartNumber：XM2S-2511OMRON(orothersimilarhigh-qualityproduct)

Input/OutputConnectorB
PlugPartNumber：XM2A-1501OMRON(orothersimilarhigh-qualityproduct)
CoverPartNumber：XM2S-1511OMRON(orothersimilarhigh-qualityproduct)

・ThePlugandCoverarenotprovidedwiththesystem.Pleasepurchasethespecifiedplugandcover
fromlocalsuppliers.
・UseonlyshieldedcablestominimizeRFinterferenceandnoise.Connecttheshieldtotheplugcover.
・Differentmakersusedifferentnamesforthecover.
！

17
15 
（１）WARNINGFunction
Alwayscheckthecontrolunit,motor,spindleandtheconditionofthecoolingairpriortouse.This
willhelppreventsystemerrorsthatwillresultinundesiredoperatingconditions.
・TheWARNINGLED⑳willflash.
・TheWARNINGCode(listedinTable1)willbedisplayedontheDigitalSpeedIndicator⑪.
・A WARNING Signal is output to the WARNING Signal(PIN No. 20:WARNING) of Input/Output  
ConnectorA.
Note:WhenusingtheInput/OutputConnectorandexternalmonitoring,pleasecheckandresolvethe
sourceofthetroubleanytimeaWarningCodeisdisplayed.
WARNINGCode 
Ａ0
Ａ1
Ａ3
WarningFunction
MotorCord
LowAirPressure
OverLoad
Trouble
MotorCordorConnectorisdisconnectedormisaligned
LowAirPressure
MotorTorqueloadexceedingsafelimits
（2）Detectionofunsafeoperatingconditions
Alwayscheckthecontrolunit,motor,spindleandtheconditionofthecoolingairpriortouse.This
willhelppreventsystemerrorsthatwillresultinundesiredoperatingconditions.
・Motorstops
・TheErrorLED⑲willflash.
・ErrorCode(listedinTable2)willbedisplayedontheDigitalSpeedIndicator⑪.
・AnErrorsignalisoutputtotheErrorSignal(PINNo.8:ERR)ofInput/OutputConnectorA.

Table1
（4）Input/OutputConnectorA,BPinConfiguration
１
２
３
４
５
６
７
８
９
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
１
２
３
４
５
６
７
８
９
10
11
12
13
14
15
ConnectorＡ ConnectorＢ

18
（3）ResettingSystemafterErrorCodes
Thereare2methodsofreleasingerrorcodes.
・PushErrorResetSwitch⑰ RESETonthefrontpanel.
・SwitchthesignalonPIN4(RESET)ofInput/OutputConnectorAOFF(Open)-ON(Closed)-
OFF(Open).
（4）TorqueOverload
WhentheLoadMonitorLED(Load)⑱lights4ormoreLEDs(3greenLEDsand1ormoreyellow
LEDs)anoverloadconditionexists.Duringoverloadoperationthefollowoccurs.
・WARNINGLED(Warning)⑳ flashes
・WARNINGCodeA3isdisplayedontheDigitalSpeedIndicator⑪
・WARNING
SignalisoutputtotheWARNINGSignalPIN20(Warning)ofInput/OutputConnectorA
Overloadoperationisconsideredshorttermoperationmode.Theallowableoperationtimedepends
onthenumberoflightedLEDsontheLoadMonitorLED(Load)⑱.Theallowabletimeisdetailed
below.
・LoadMonitorLED4LEDs:40Seconds
・LoadMonitorLED5LEDs:20Seconds
・LoadMonitorLED6LEDs:10Seconds
Whentheallowabletimeisexceededthemotorwillstopandthefollowingoccurs.
・ErrorLED(Error)⑲flashes
・ErrorCodeE8isdisplayedintheDigitalSpeedIndicator⑪.
・ErrorSignalisoutputtotheerrorsignalPIN8(ERR)ofInput/OutputConnectorA.
ErrorCode
Ｅ１
Ｅ２
Ｅ３
Ｅ４
Ｅ５
Ｅ６
Ｅ７

Ｅ８
Ｅ９
ＥＡ
ＥＣ
ＥＨ
ProblemArea
ExcessCurrent
Overvoltage
MotorSensor
ControlUnitOverheat 
BrakeCircuitTrouble
RotorLock
LowAirPressure

TorqueOverload
TroublewithPowerSource 
ExternalControlSignalError 
InternalMemoryError 
OverSpeed

Trouble
MotorCurrentbeyondsafelimits.
MotorVoltagebeyondsafelimits.
Troublewiththesensorsignalinthemotor.
InternalTemperatureoftheControlUnittooHigh.
Troublewiththemotorbrakecircuit.
Motorstalledformorethan3seconds.
Inadequateairsuppliedformorethan4secondsduringrotation
orinadequateairsupplywhenmotorstartcommanded.
Torquelimitsexceededfortoolongaperiodoftime.See(4)onPage24. 
Troublewiththepowersourceinsidethecontrolunit.
Externalcontrolsequencingproblem.
Troublewithmemory(EEPROM).
Rotatingspeedisbeyondthesetspeedfortoolong.
Note:・WhenusingtheInput/OutputConnectorandexternalmonitoring,pleasecheckandresolve
thesourceofthetroubleanytimeaWARNINGCodeisdisplayed.
・ThefollowingErrorCodescannotbereleased:E4(ControlUnitOverheat),E5(BrakeCircuit
Trouble),E9(TroublewithPowerSource),EC(InternalMemoryError).Oncethesourceof
theerroriscorrected,turnthesystemoffandtheErrorCodewillbereleasedwhenthe
systemisturnedon.
！
Table2

19
16 
TheE2530isahigh-precision,high-speedmotor-spindle,thefollowingproceduremustbefollowedto
ensureproperoperationandlongevity.
During transportation, storage or installation the grease inside the bearings will settle. If the
motorspindle is suddenly run at high-speed excessive heat will cause bearing damage. After
installation, repair, initial operation, or long periods of non operation please follow the break-in
proceduredetailedinTable3.
2
10,000
10min
SpindleHousingno
hotterthan20℃.If
hotterthan20℃
checkinstallation
andrestartBreak-In
procedure.
SpindleHousingno
hotterthan20℃.If
hotterthan20℃stop
foratleast20
minutes,check
installationand
restartBreak-In
procedure.
SpindleHousingless
than20℃.
1
5,000
10min
NoAbnormalNoises
3
20,000
10min
4
30,000
15min
Steps
RPM（min-1)
RunningTime
ItemstoCheck
Table3
17 
Trouble Cause Inspect/CorrectiveAction
AbnormalVibration
orNoiseduring
Operation
HighRun-Out
Motordoesnot
reachthepreset
speed
MotorDoesNot
Run
Powerisnotsupplied ChecktheMainPowerInletconnectiononthefront
oftheunit
ControllerSwitchissettoMANUALbuttrying
tostartwithanexternalcommandsignalthrough
Input/OutputConnectorA
StartwiththeStartSwitchontheControlPanel,or
settheControllerSwitchtoAuto
ControllerSwitchissettoAUTObuttrying to
startwiththeStartSwitchontheControlPanel
Startwithanexternalcommandsignalorsetthe
ControllerSwitchtoManual
TooloutofBalance Changethetool
ColletNutisnotproperlypositioned Positionthecolletnutproperly
BallBearingsWorn SendtoNAKANISHIforRepair
ForeignParticlesstuckinthecolletchuckorspindle Cleantheinsideofthecolletchuckandspindle
MaximumMotorSpeedissetintheP4
parameters.
ChecktheP4parametersettingsandadjustas
needed.
MotorFixedSpeedissetintheP3parameters. ChecktheP3parametersettingsand
adjustasneeded.
500min
-1
CenteringRotationModeisselected.
Checkthefrontpanelsettingsandinputon
Input/OutputConnectorA
PINNo.16(500min
-1
)andcorrectasnecessary.
ErrorCodeIndicated CheckandcorrectthesourceoftheErrorCode
LowAirPressure Adjustairpressuretobetween0.15MPa-0.25MPa
MotorCordorConnectorDisconnected ConnecttheMotorCordtotheconnectororcheck
theMotorCable
ForeignParticlesintheballbearings.
BallBearingsWorn
SendtoNAKANISHIforRepair
AutoModeMotorSpeedControlsetting,inthe
'P2'parameters,issettoexternalcommand
signalandtryingtoadjustspeedwith
potentiometerorAutoModeMotorSpeedControl
setting,inthe'P2'parametersissetto
potentiometerandtryingtoadjustspeedwith
externalcommandsignal.
ResettheAutoModeMotorSpeedControl
parameters.