CAS NT-500 Series Page 6 Owner'S Manual Download

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3. Technical Specification

■

Analog Part & A/D Conversion

Load Cell Excitation Voltage

DC 9V, 8 x 350

Ω

load cells

Zero Adjustment Range

0.05mV 20mV

∼

Input Sensitivity

1.2

V/D (H-44,OIML)

0.6

V/D (Non H-44,OIML)

System Linearity

Within 0.01

％

of F.S.

A/D Internal Resolution

1 / 200,000

A/D External Resolution

5,000 dd (H-44,OIML)
10,000 dd (Non H-44, OIML)

A/D Conversion Speed

Maximum 50 times/sec

■

Digital Part

Span Calibration

Full Digital Calibration : SPAC

™

(Single automatic span calibration)

Display

VFD (7 digit) : 6.0(W) x 13.0(H) mm

Sub Display

(NT-505A)

VFD (12 digit) : 3.3(W) x 8.0(H) mm

Division

×1, ×2, ×5

Display Below Zero

Minus

Tare Subtraction

Full capacity

“ST”(Stable)

▼

LAMP

Weight is stable

“HIGH”

▼

LAMP

Displays on/off status of high limit relay –

Except NT-501A

“LOW”

▼

LAMP

Displays on/off status of low limit relay –

Except NT-501A

“HOLD”

▼

LAMP

Hold function is activated

“NET”

▼

LAMP

ON(net weight), OFF(gross weight)

“TARE”

▼

LAMP

Tare is activated

“ZERO”

▼

LAMP

Current weight is “0” kg

Summary of Contents for NT-500 Series

Page 1: ...2 ...

Page 2: ...pecification 7 4 Measure ofAppearance 9 5 Front Panel 10 6 Rear Panel 14 7 Installation Connection 15 8 Serial Communication RS 232C 17 9 Test Mode 20 10 Calibration Mode 24 11 Set Mode 29 12 Weighing Mode 46 13 Options 53 14 Sealing Method 59 15 Error Message Troubleshooting 60 ...

Page 3: ...play functions to be used easily Before using NT 500 Series It is recommended to read this manual carefully and to apply the functionprecautions Precautions Observe the following safety precautions Warning When anydamageordefect occurs contact your CAS authorized dealerimmediately forproper repair Insertplugfirmly to walloutletto preventelectric shock Scale mustbe grounded to minimize electricitys...

Page 4: ...lacethescaleonfirmand temperatureconsistent environment Keep the scal awayfromothe electromagneticgeneration devices This may interfere with accurate reading Our Dealers CAS feels that each of its valued customers should get the best service available Whether it s the initial installation of our product maintenance repair work or simply answering questions about our products CAS Corporation and al...

Page 5: ... Digital filter function AdjustableA D conversion speed 10 50 times sec Various printer connection serial parallel Serial interface RS 232C RS 422 RS 485 PC communication PC command mode Set point can save up to 50 batch operations Users can set the max weight and a division freely External input 4 relay Refer to SET mode F44 External output 4 relay zero high low final Except NT 501A Print date an...

Page 6: ... Maximum50times sec Digital Part SpanCalibration FullDigitalCalibration SPAC Singleautomaticspancalibration Display VFD 7digit 6 0 W x13 0 H mm SubDisplay NT 505A VFD 12digit 3 3 W x8 0 H mm Division 1 2 5 DisplayBelowZero Minus TareSubtraction Fullcapacity ST Stable LAMP Weightisstable HIGH LAMP Displayson offstatusofhighlimitrelay ExceptNT 501A LOW LAMP Displayson offstatusoflowlimitrelay Except...

Page 7: ...60Hz ProductSize 195 W x189 D x96 H TemperatureRange 10 40 ProductWeight Approx 2 5kg FuseCapacity T250mAL250V PowerConsumption Approx 10W Options Option1 RS 422 RS 485serialinterface Option2 BCDoutput Option3 Analogoutput I out 0 24mA V out 0 10V ...

Page 8: ...9 4 Measure of Appearance ...

Page 9: ...10 5 Front Panel ...

Page 10: ...mp lights up when the display shows net weight TARE lamp lights up when tare weight is stored ZERO lamp lights up when current weight is 0 kg 2 Sub display NT 505A HIGH It shows the high limit LOW It shows the low limit 3 Keyboard NT 501A NT 502A NT 505A Key Used to remove small variations in the indicator s zero user can set the zero range within 2 or 10 of the maximum capacity see F10 at page 29...

Page 11: ...tion tare weight is released Used to enter the CAL mode Key Except NT 501A Usedtoseethehighlimitonthedisplay orchangethehighlimit Key Except NT 501A Usedtoseethelowlimitonthedisplay orchangethelowlimit Key Except NT 501A Bypressingthe keyandthen or key highfalllimitorlowfalllimitisshownon thedisplay Key ManualPrintKey Designatedprintingformisprinted SetprintformatinSETmode SeeF31atpage32 or Key Ke...

Page 12: ...spreviouslyknownpressthiskey and enterthe tare weight byusing the numeric keys and then pressSETkeyregisterit UsedasMANUALTAREkey Key Use 1 Press ID keyandtypetheIDcodebypressingthenumerickeysandthen theIDcodeisregistered RangeoftheIDcodeis0to50 Use 2 Clearset pointbypressingthiskeyfor2seconds Key Use 1 Usedtoclearerroneousentries Use 2 Usedtoenterdecimalpoint Key Usedtosavecurrentconditionandexit...

Page 13: ...T 501A SERIAL RS 232C 422 FUSE 250mA250V fuse LOAD CELL Port for connecting 4 wires 6 wires load cell OPTION BCD output Analog output 0 24mAor 0 10V POWER Power ON OFF PIN COLOR 1 EXC RED 2 SEN BROWN 3 EXC WHITE 4 SEN BLACK 5 SIG GREEN 6 SIG BLUE 7 SHIELD SHIELD Each lead cable that comes with NT 500 series contains color coded wires as listed above ...

Page 14: ...n the backside of the indicator Connecting method Note 1 In case of 4 wires load cell connect EX with SEN and connect EX with SEN Note 2 Wire color can be different depending on the load cell s manufacturer or it s model Load cell output to Resolution 9Vimpressiontoloadcell Max loadcelloutput Recommendedresolution 2 4mV 1 2 000 Max 4 8mV 1 4 000 Max 6 0mV 1 5 000 Max ...

Page 15: ...TARERELEASE GROSSKEY 2 TARE PRINT NETKEY 3 GROSS PRINT HOLD STARTKEY 4 GROSS NET GROSS HOLDRELEASE STOPKEY COM KEYINPUTCOM KEYINPUT RefertoF44atpage 38 3 AC Power Adjusted to 220V 50 60Hz at factory 110V 220V jump wire is in the inner part of the indicator 4 Internal load cell output switch If the load cell output is too high turn ON the Dip Switch 1 If the load cell output is too low or negative ...

Page 16: ...nd ㅇ 8 Carrier Detect ㅇ 20 Data Terminal Ready ㅇ 6 Data Set Ready ㅇ 4 Request to Send ㅇ 5 Clear to Send 9 pin port Female 25 pin port Male RS 232C port of NT 500 Series Serial port of computer RXD 3 ㅇ ㅇ 3Transmit Data TXD 2 ㅇ ㅇ 2Receive Data GND 7 ㅇ ㅇ 5SignalGround ㅇ 1CarrierDetect ㅇ 4DataTerminalReady ㅇ 6DataSetReady ㅇ 7RequesttoSend ㅇ 8CleartoSend 9 pin port Female 9 pin port Male RS 232C port o...

Page 17: ... ASCII When data is sent to computer Set in SET mode See F22 at page 31 Format 22 byte of CAS DATA 8byte CR LF US Unstable GS GROSS weight Device ID Lamp condition byte Empty Unit kg t ST Stable NT NET weight OL Overload Device ID Transmit 1 byte so that the receiver can receive data selectively which indicator sent Device ID is selected in F23 Lamp condition byte Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit...

Page 18: ... 501A Change the high fall value to 00000 no decimal points and dd HE 00000 CR LF will be sent to PC ddLE00000CRLF Enterhighfallvalue ExceptNT 501A Change the low fall value to 00000 no decimal point and dd LE 00000 CR LF will be sent to PC ddPN00CRLF EnterID 00 50 Change the ID and dd PN 00 CR LF will be sent to PC ddOPCRLF UseasSTARTkey ExceptNT 501A If dd OP CR LF is received the indicator will...

Page 19: ...test TEST 2 VF Display test TEST 3 Load cell test andA D conversion test TEST 4 Serial interface test TEST 5 Printer test TEST 6 SRAM test TEST 7 External input output test TEST 8 BCD output test TEST 9 Analog output test TEST 1 FUNCTION Key test KEY VF DISPLAY SUB DISPLAY DESCRIPTION Menu selection mode Other keys Perform test 1 1 tESt KEY Press any key to test then the display shows its number a...

Page 20: ...88888888 TEST 2 is performed TEST 3 FUNCTION Load cell test and A D conversion test KEY VF DISPLAY SUB DISPLAY DESCRIPTION Menu selection mode 5500 tESt3 AnALoG The display shows digital value of current weight This value means converted digital value Note 1 Check whether the digital value is changing whenever you load or unload the weight on the platter If the digital value is fixed or zero is di...

Page 21: ... in indicator keyboard and check if PC receives no 1 Note 3 Do this test after baud rate is specified in SET mode See F20 at page 30 TEST 5 FUNCTION Printer test KEY VF DISPLAY SUB DISPLAY DESCRIPTION Menu selection mode Other keys Perform test Good CH 05 tESt5 Print No error in printer Check printer connector Note 1 Previously specify the printer which will be used in the conversion mode F30 Note...

Page 22: ...using external key and no 1 is entered oUt3 A state of external output It means output no 3 is on Note 1 In case of NT 501A only external input is possible TEST 8 FUNCTION BCD output test KEY VF DISPLAY SUB DISPLAY DESCRIPTION Menu selection mode Toggles between on and off oFF on tESt8 bCdoUt oFF Turn off BCD output on Turn on BCD output TEST 9 FUNCTION Analog output test 0 24 mA 0 10V KEY VF DISP...

Page 23: ... to CALOFF and perform the sealing See page 54 2 Available keys key used for moving to the next calibration menu key used for changing preset value 3 Calibration menu CAL1 CAL7 CAL1 Maximum capacity set CAL2 Minimum division Set CAL3 Setting Weight In Span Calibration CAL4 Zero calibration CAL5 Span calibration CAL6 Check if the calibration is done properly CAL7 Input weight constant calibration a...

Page 24: ...e CAL 2 FUNCTION Minimum Division Set Range 0 001 500 KEY VF DISPLAY SUB DISPLAY DESCRIPTION save and go to next menu set value change input the point d 1 d 0 2 d 0 05 d 0 001 CAL2 dlVl 1 kg 0 2 kg 0 05 kg 0 001 kg Note 1 The minimum division means the value of one division Note 2 External resolution is obtained by dividing the maximum capacity into the min division Set the resolution to be within...

Page 25: ...mum capacity the display shows error message CH 12 CAL 4 FUNCTION Zero Calibration KEY VF DISPLAY SUB DISPLAY DESCRIPTION zero calibration exit UnLOAd SUCCESS CAL4 ZEro Unload the tray and press SET under zero calibration Zero calibration is completed The program moves into Span calibration automatically Note 1 If Zero calibration is done without any error SUCCESS message is displayed and program ...

Page 26: ...n Check the weight Note 2 If the span is low Error message CH 13 is displayed In that case Calibrate with Lower resolution Please check the span value to be resolution 20 in TEST 3 CAL 6 FUNCTION Check if the calibration is done properly KEY VF DISPLAY SUB DISPLAY DESCRIPTION save and go to next menu exit from the CAL mode 5000kg CAL6 VErIFY 5000 kg Note 1 If the central lamp lights up as above VF...

Page 27: ...ter password finish the CAL mode PASS CAL7 FACtor Type the password Note 1 National code is n 0 Standard n 1 Tailand n 2 Turkey Note 2 Users do not have to use this menu since it is used for calibration test without a weight Note 3 If you press the key two times the display shows CALEND and then you can go to weighing mode ...

Page 28: ...n SET 07 11 33 3 Set menu F01 F65 Generalsetting F01 Date Year month day F02 Time Hour minute second F03 Displayconversionspeed 10 50times sec F04 Digitalfilter 1 50digitaverage F05 Stablecondition 00 99 F06 Automaticzerocondition 00 99 F07 Weightbackup OFF ON F08 Holdtype 0 1 averagehold peakhold samplinghold F09 Averageholdtime 0 1 9 9 0 1sec 9 9sec F10 OperationrangeofZerokey 0 1 2 10 F11 Condi...

Page 29: ...aracter F35 Linefeed 1 9linefeed Externalinput output F40 Relaymode 0 4 F41 Timer startdelayoffinishsignal 0 0 9 9 0 0sec 9 9sec F42 Timer enddelayoffinishsignal 0 0 9 9 0 0sec 9 9sec F43 Rangeofzerorelay 00 99digit F44 Externalinput 0 6 Option F60 Optionselection 0 2 none BCDoutput Analogoutput F61 Outputcurrentatzero 00000 24000 00 000mA 24 000mA F62 Outputcurrentatmaximumcapacity ofthescale 000...

Page 30: ...value 22 20 00 F02tlmE Exacttimeoftentwenty P M Note 1 Modify the time by pressing the key F03 FUNCTION Display conversion speed VF DISPLAY SUB DISPLAY DESCRIPTION 10 10times sec lowspeed 20 20times sec normalspeed Setvalue 10 50 50 F03 SPEEd 50times sec highspeed F04 FUNCTION Digital filter Speed control of weight display VF DISPLAY SUB DISPLAY DESCRIPTION 1 1timeaveragevalue 20 20timesaverageval...

Page 31: ...ero condition VF DISPLAY SUB DISPLAY DESCRIPTION 00 Nocompensation 23 Compensationforgradualchange below1divisionfor3sec Setvalue 00 99 99 F06AZEro Compensationforgradualchange below4 5divisionfor9sec Note 1 To have division divide the first number on the VF Display by 2 Note 2 The second number indicates a second on the VF Display F07 FUNCTION Weight backup VF DISPLAY SUB DISPLAY DESCRIPTION oFF ...

Page 32: ...old time VF DISPLAY SUB DISPLAY DESCRIPTION 01 0 1sec Setvalue 01 99 99 F09H tlME 9 9sec F10 FUNCTION Digital filter Speed control of weight display VF DISPLAY SUB DISPLAY DESCRIPTION 0 2 zerokeyisoperatedwithin 2 ofmaximumweight Setvalue 0 1 1 F10rAnGE 10 zerokeyisoperated within 10 ofmaximumweight F11 FUNCTION Conditions of zero and tare key stable unstable VF DISPLAY SUB DISPLAY DESCRIPTION oFF...

Page 33: ...SCRIPTION 0 8 9key START STOPkey Setvalue 0 1 1 F138 9KEy 8 9 key HOLD MANUAL TARE key Serial interface function F20 FUNCTION Baud rate VF DISPLAY SUB DISPLAY DESCRIPTION 0 1200bps 1 2400bps 2 4800bps 3 9600bps Setvalue 0 4 4 F20bAUd 19200bps F21 FUNCTION Display VF DISPLAY SUB DISPLAY DESCRIPTION 0 Databit8 stopbit1 noneparity 1 Databit7 stopbit1 evenparity Setvalue 0 2 2 F21PArlty Databit7 stopb...

Page 34: ...ansmitdataifyouinputDeviceID Note 1 The default value is set to 0 at factory Note 2 If F30 is set to 4 do not transmit weight data Note 3 When F22 is set to 3 Refer to 3 Command mode at page 16 Note 4 When F22 is set to 5 The device ID is the data demanding signal in seria Communication EX DeviceID InputSignal 03 03 10 0A F23 FUNCTION Device ID Identification of each indicator VF DISPLAY SUB DISPL...

Page 35: ...040Pparallel version 3 EPSONprinter LQ 550H LQ1550Hetc Setvalue 0 4 4 F30Print Serialprinter Note 1 The default value is set to 0 at factory Note 2 If F30 is set to4 F22 is automatically chanted from 0 F31 FUNCTION Print Form VF DISPLAY SUB DISPLAY DESCRIPTION 0 0 date time serial No ID No net weight 1 1 date time weighNo netweight 2 2 date time gross tare netweight 3 3 date time netweight 4 4 dat...

Page 36: ... 10 50 0kg No 11 100 0kg No 12 200 5kg Form2 Date Time Gross Tare Netweight Form3 Date Time Time Netweight 2002 1 1 12 30 Gross 1000 0kg Tare 0 0kg Net 1000 0kg 2002 1 1 12 30 10 10 Net 50 0kg 11 00 Net 100 0kg 12 30 Net 200 5kg Form4 Date Time IDNo Netweight Form5 Date Time SerialNo Netweight 2002 1 1 12 30 ID_11 Net 50 0kg ID_12 Net 100 0kg ID_19 Net 200 5kg 2002 1 1 12 30 001 1000 0kg 2002 1 1 ...

Page 37: ... ASCIIcode65 in12 th data P00 Setblankto0thcharactertoprint message This32thcodeisessentialtohead message CLRkey increase coordinates Numeric keys entercode number P18 F34ASCll Set255to18thcharacter Thiscodeindicatestheendof messagetobeprinted Note 1 You can add information such as company name and phone no in printing format Note 2 The range of coordinate is from 0 to 71 0th code determines wheth...

Page 38: ...6 37 5 53 E 69 U 85 e 101 u 117 38 6 54 F 70 V 86 f 102 v 118 39 7 55 G 71 W 87 g 103 w 119 40 8 56 H 72 X 88 h 104 x 120 41 9 57 I 73 Y 89 i 105 y 121 42 58 J 74 Z 90 j 106 z 122 43 59 K 75 91 k 107 123 44 60 L 76 92 l 108 124 45 61 M 77 93 m 109 125 46 62 N 78 94 n 110 126 47 63 O 79 _ 95 o 111 END 255 F35 FUNCTION Line feed of paper VF DISPLAY SUB DISPLAY DESCRIPTION 1 1linefeed 5 5linefeed Set...

Page 39: ...PackerMode Setvalue 0 4 4 F40rELAY Relayisnotused Limit Mode Note 1 When the scale is stable over the high limit Final relay is ON Note 2 When low fall limit and high fall limit are set Low limit relay is ON Weight Low limit Low fall limit High limit relay is ON Weight High limit High fall limit Note 3 Zero relay is ON depending on the set of F43 see page 38 ...

Page 40: ...start delay and then Off after passing the certain time of end delay Start delay time of finish relay is set in F41 and end delay time of finish relay is set in F42 Note 2 Zero relay is ON depending on the set of F43 see page 38 Limit Type Checker Mode Note 1 Zero relay is ON depending on the set of F43 see page 38 ...

Page 41: ...42 Packer Mode F42 F41 Except NT 501A FUNCTION Start delay time of finish relay VF DISPLAY SUB VFD DESCRIPTION 0 0 Nodelay 1 3 Delayfor1 3sec Setvalue 0 0 9 9 5 5 F41dELAY1 Delayfor5 5sec ...

Page 42: ...SCRIPTION 00 RelayisONatzero Setvalue 00 99 30 F43ZrELAY RelayISONwithin30division F44 FUNCTION Range of zero relay DESCRIPTION VF DISPLAY SUB VFD KEYINPUT1 KEYINPUT2 KEYINPUT3 KEYINPUT2 0 ZERO TARE NET GROSS 1 ZERO TARE PRINT GROSS NET 2 ZERO TARE HOLD HOLD CANCEL 3 ZERO TARE START STOP 4 ZERO PRINT START STOP 5 TARE CANCEL TARE START STOP Set value 0 6 6 F44 SELECt GROSS NET START STOP Note 1 ST...

Page 43: ...UNCTION Relay mode VF DISPLAY SUB VFD DESCRIPTION 00000 0mA 4000 4 000mA Setvalue 0 24000 4015 F61ZEro 4 015mA F62 FUNCTION Output current at maximum capacity of the scale VF DISPLAY SUB VFD DESCRIPTION 00000 0mA 20000 20 000mA Setvalue 0 24000 21315 F62High 21 315mA F63 FUNCTION Analog output data VF DISPLAY SUB VFD DESCRIPTION 0 Netdata Setvalue 0 24000 1 F63n 9 Grossdata ...

Page 44: ...RIPTION 01000 MaximumoutputofAnalogat 1000kg 20000 MaximumoutputofAnalogat 20000kg Setvalue 0 24000 21315 F64A CAPA MaximumoutputofAnalogat 21315kg F65 FUNCTION Logic of BCD output VF DISPLAY SUB VFD DESCRIPTION 0 PositiveLogic Setvalue 0 1 1 F65LoGIC NegativeLogic ...

Page 45: ...t Gross weight VF Display and use key Platform Description Step1 Container Anditem Anitemweight 13 00kg Tareweight 5 00kg Netweightisshownonthe display Step2 Pressthe key Step3 Container Anditem Grossweightisshownonthe displaynow Step4 Pressthe key Step5 Container Anditem Netweightisonthedisplaynow Note NET lamp is on when net weight is shown on the display NET lamp is off when gross weight is sho...

Page 46: ...m Weighingmode Step2 Pressthe keyfor3 seconds YoucangotoSETmode Step3 Item SETmode Step4 Pressthe or key SETMenu4 Step5 CurrentvalueofF04is5 5 5timesaverage Step6 Pressthe or key Change 5 to 9 9 9timesaverage Step7 Step8 Pressthe keytwo times Save Exit Step9 Item ReturntoWeighingmode ...

Page 47: ...ode VF Display and use key Platform Description Step1 Empty Step2 Putitem iron Step3 Pressthe key Step4 Step5 IDcodeof iron Step6 item iron Step7 SaveID Step8 item iron Gototheweighingmode Note The range of ID code is 0 50 ...

Page 48: ...Enterhighlimitvalue 500 0kg Step4 Pressthe key Save Step5 Empty Highlimitvalueissavedand subdisplayshows500 0kg Note After typing key and desired high limit value e g 500 0kg press the key To register 500 0 as the high limit value In case that a number with decimal point is input use the key For instance if 500 0kg is input as the high value press the key in the order from key to the key ...

Page 49: ... high_falllimitvalue Step3 Enterhigh_falllimitvalue 5 2 Step4 Step5 Empty High_falllimitvalueissaved Note After typing FALL HIGH and desired high fall limit value e g 5 2kg press the Key to register 5 2 kg as the high fall limit value If you want to enter decimal point press the key For instance if 5 2kg is input as the high fall value press the key in the order from key to the key ...

Page 50: ...learing is performed 8 How to print subtotal Assume that the current ID code is 10 VF Display and use key Platform Description Step1 Pressthe key Step2 Pressthe and key EnterIDcode 10 Step3 Pressthe key Step4 Pressthe and key Subtotalisprinted Note If printing is done the total weight and count of this ID number is set to 0 The print form is as belows SUB TOTAL DATE 2001 10 13 TIME 09 30 ID 10 COU...

Page 51: ...nd total VF Display and use key Platform Description Step1 Grandtotalprinting Note Grand total means the total weight of all ID cord The print form is as belows OVERALL TOTAL DATE 2001 10 13 TIME 16 30 COUNT 5 TOTAL 750 0kg ...

Page 52: ...e RS 485 port of NT 500series Serial port of computer OP 2 BCD Output Interface Parallel BCD output is the interface that transmits the weight as BCD code Inner circuit of input output circuit is electronically disconnected by photo coupler IN 1ㅇ ㅇ 2 Transmit Data OUT 4ㅇ ㅇ 15 Receive Data IN 5ㅇ ㅇ 14 Transmit Data OUT 6ㅇ ㅇ 3 Receive Data GND 7ㅇ ㅇ 1 Ground ㅇ 7 Ground ㅇ 4 5 6 8 Wire Connect ㅇ 16 17 1...

Page 53: ...1 102 35 N C 11 2 102 36 N C 12 4 102 37 ExternalVcc 13 8 102 38 N C 14 1 103 39 ExternalVcc 15 2 103 40 N C 16 4 103 41 N C 17 8 103 42 High Low 18 1 104 43 Decimalpoint 101 19 2 104 44 Decimalpoint 102 20 4 104 45 Decimalpoint 103 21 8 104 46 OverLoad 22 1 105 47 N C 23 2 105 48 N C 24 4 105 49 Busy 25 8 105 50 N C 50 pin connector CHAMP57 40500 Amphenol Female TTLOpen Collector Output SIGNALLOG...

Page 54: ...itive Negative logic 2 Polarity output High 3 OVER output OVER High 4 BUSYoutput BUSY High StandardAccessory Mating connector 57 30500 Amphenol Male 1EA Weight Data BCD output circuit BCD output circuit is Open Collector Type ...

Page 55: ...alog Output Interface 0 24mA 0 10V 1 Current output Specification OutputCurrent Max 0 24mA Resolutions Over1 1000 TemperatureCoefficient 0 01 Max LoadImpedance 500ΩMAX How to set switch Model NT 500 0 24mA Fixing ...

Page 56: ...0 05 case F61 4000 F62 20000 case F61 20000 F62 4000 How to use current to voltage If F61 is set to 4mA F62 is set to 20mA in SET mode and resistor is 250Ω the output will be 1V 5V Note You have to use high capacity of resistor If you add resistor 500Ω W I2 R 0 02 2 x 500 0 2W Therefore you have to use 1 2W or more capacity and low temperature coefficient resistor ...

Page 57: ...Resolution over 1 1000 Temperature coefficient 0 01 How to set switch Model NT 500 0 10V Fixing selection When the weight is 0 output voltage is 0V When the weight is maximum capacity is the scale output voltage is 10V Setting of Set mode F60 2 F61 0 F62 0 ...

Page 58: ...59 14 Sealing Method Rear panel sealing Load cell connector sealing ...

Page 59: ...Troubleshooting Check that there is nothing on the platform CH 04 Reason You pressed any key for long time or there is a problem in key part Trouble shooting If there is no problem in key part call your CAS dealer CH 05 Reason Failure of print connection Troubleshooting Check the connection between NT 505A Printer Over Reason The display weight is greater than the maximum capacity that you have se...

Page 60: ...han 10 or greater than 100 of the maximum capacity of the scale Troubleshooting The weight for span calibration should be within 10 100 of the maximum capacity of the scale in CAL3 CH 13 Reason Load cell output is too small or large at span calibration Troubleshooting Calibrate with lower resolution CH 14 Reason Load cell output is too small or large at zero calibration Troubleshooting Check wheth...

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