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4. Operation

4.1 Precautions before Measurement

■ Checking the Contents of the Package

After receiving the product and opening the package, check the items described below.
If the wrong items have been delivered, if items are missing, or if there is a problem with
the appearance of the items, contact your nearest YOKOGAWA dealer.

■ Operation and Storage Precautions

CAUTION

• When inserting the batteries into the instrument, refer to section 7., “Replacing the

Batteries.”

• There is a blank cover on the upper part of the back casing.
Only remove it when connecting the USB adapter of the communication package (sold

separately).

• Do not use the instrument near devices that produce high levels of noise or in areas

subject to sudden changes in temperature. Doing so may result in unstable readings
and errors.

Cleaning

• Do not wipe the instrument using benzine, paint thinner, or any other solvent

(chemical).

Doing so may lead to discoloration and other problems. Use a dry cloth to clean the

instrument.

Storage

• Do not leave the instrument exposed to direct sunlight or in a hot and humid location,

such as the inside of a vehicle, for a significant length of time.

• If you do not intend to use the instrument for a significant period of time, remove its

batteries.

Содержание CA450

Страница 1: ...IM CA450 EN 2nd Edition Feb 2011 YMI Store this manual in a safe place for future reference CA450 Process Multimeter User s Manual ...

Страница 2: ...the preparation of this manual However should any errors or omissions come to the attention of the user please contact Yokogawa The contents of this manual are subject to change without prior notice because of improvement in performance or function All rights reserved No part of this manual may be reproduced in any from without Yokogawa s written permission ...

Страница 3: ...e Always observe the following instructions Failure to do so may impair the protection provided by the instrument and probes and may result in electrical shock or other dangers that may lead to serious injury or the loss of life Yokogawa is in no way liable for any damage resulting from the user s mishandling of the product Revision Information 1st Edition Oct 2010 2nd Edition Feb 2011 All Rights ...

Страница 4: ... essential for handling the instrument or should be noted in order to familiarize yourself with the instrument s operating procedures and or functions Tip This indicates supplemental information for explanations Danger Handle with Care This symbol indicates that the operator must refer to an explanation in the instruction manual in order to avoid risk of injury or death of personnel or damage to t...

Страница 5: ... you remove the case for example to change the batteries be sure to remove the test leads and lead cables from the instrument There are caps at the ends of the test leads To ensure safety safety standard EN61010 031 be sure to put the caps on the leads when you use them Casing Do not use the instrument if there is any damage to the casing or when the casing is removed Fuses Use fuses of the specif...

Страница 6: ...rises en compte afin de vous familiariser avec les procédures d utilisation et ou l es fonctions de l instrument Conseil Ce qui suit indique des informations supplémentaires pour les explications Danger Manipuler avec soin Ce symbole indique que l opérateur doit se reporter à une explicationdonnée par le manuel d instruction afin d éviter tout accident susceptible de provoquer des blessures au per...

Страница 7: ...t les câbles de dérivation du circuit en cours de mesure Lorsque vous enlevez le boîtier par exemple pour changer les batteries veillez à retirer les fils de test et les câbles de dérivation de l instrument Un chapeau est fourni sur le bout d un fil de test Utilisez un fil de test avec le chapeau placé dessus pour une bonne sécurité normes de sécurité EN 61010 031 Boîtier N utilisez pas l instrume...

Страница 8: ...22 4 3 4 Resistance Measurement Ω 23 4 3 5 Continuity Check 24 4 3 6 Diode Test 24 4 3 7 DC Current Measurement 26 4 3 8 Loop Power Measurement 27 4 3 9 Frequency Measurement Hz 28 4 3 10 Auto Hold Function 29 4 3 11 Peak Hold Function 29 4 3 12 Relative Value Display REL Δ 31 4 3 13 MIN MAX AVG Function 32 4 4 Output Instructions 33 4 4 1 Constant Current Output SOURCE mode 34 4 4 2 Constant Curr...

Страница 9: ...5 5 1 Calibrating Measurements 45 5 1 1 Peak Hold Calibration 47 5 1 2 Loop Power Calibration 47 5 2 Calibrating Output 48 5 3 What to Check after Calibration 50 6 Communication 51 6 1 Cable Connection and Interface Specifications 51 6 2 Communication Commands 52 6 3 Detailed Command Descriptions 54 6 4 List of Errors 72 6 5 Communication Command Validity Table 73 6 6 Status Byte Format 75 7 Repla...

Страница 10: ...Auto range hold Range Hold maximum minimum and average value recording and measurement zero adjustment Ω relative measured value display RELΔ REL and backlight Communication Optional PC communication set required Measurement data can be transferred to a PC through the use of a USB communication adapter and a USB cable Safety Conforms to IEC 61010 1 Safety requirements for electrical equipment for ...

Страница 11: ...of Test leads With Caps 1000V 10A CAT III 600V 10A CAT IV Without Caps 1000V 10A CAT II 600V 10A CAT II Measurement Category Description Remarks I CAT I For measurements performed on circuits not directly connected to MAINS Circuits not connected to a mains power source II CAT II For measurements performed on circuits directly connected to the low voltage installation Appliances portable equipment...

Страница 12: ... accuracy under the conditions in EN61326 1 and EN61326 2 2 The use of this instrument is limited to domestic commercial and light industry applications The instrument may malfunction if it is exposed to strong electromagnetic interference from nearby devices ...

Страница 13: ...urrent 25000 Frequency 19999 Other 6600 Subdisplay Displays supplemental information for various functions Polarity indicator Automatic display Only the minus sign appears Over range indicator OL Low battery indicator appears when the battery voltage is below the operating voltage Measurement cycle 2 5 to 5 times a second however frequency measurement takes place once a second Operating temperatur...

Страница 14: ...ence of radiated immunity In RF electromagnetic fields of 3 V m EN61326 1 AC voltage measurement 600 mV range 1 5 of range DC voltage measurement 600 mV range 1 of range DC current measurement all ranges 1 5 of range DC current output 1 5 of range EN61326 2 2 AC voltage measurement 6 V range or higher Within 5 times the accuracy DC voltage measurement 6 V range or higher Within 5 times the accurac...

Страница 15: ...V 0 1 V 1000 V 1 V 0 1 1 NMRR 60 dB or more 50 60 Hz 0 1 CMRR 120 dB or more 50 60 Hz Rs 1 kΩ Response time Within 1 second AC Voltage Measurement V mV AC coupling rms value detection sine wave Range Resolution Accuracy Input Impedance Maximum Input Voltage 50 60 Hz 40 Hz to 500 Hz 500 Hz to 1 kHz 600 mV 0 1 mV 0 5 5 1 5 1 5 5 10MΩormore 200pF 1000 VDC 1000 V rms AC 6 V 0 001 V Approx 11 MΩ 50 pF ...

Страница 16: ... 1 3 V 60 kΩ 0 01 kΩ 13µA 600 kΩ 0 1 kΩ 1 3µA 6 MΩ 0 001 MΩ 0 35 3 130 nA 60 MΩ 0 01 MΩ 1 2 2 1 The accuracy after ZERO CAL 2 For 40 MΩ to 60 MΩ the accuracy is 2 2 Response time Within 2 seconds for 600 Ω to 600 kΩ within 10 seconds for 6 MΩ to 60 MΩ Continuity Check Range Resolution Operating Range Measuring Current Open Loop Voltage Input Protective Voltage 600 Ω 0 1 Ω The buzzer sounds at resi...

Страница 17: ...z 0 4 to 600 Vrms Peak Hold P H Measurement Function Accuracy Minimum Detection Width DCV 100 digits 6 ms DC Output Range Resolution Accuracy Load Condition 20 mA 0 001 mA 0 05 of range SOURCE 0 to 20 mA Compliance voltage 28 V SIMULATE SINK 0 to 20 mA External power supply 15 to 48 V overrange up to 25 mA 10 mH 24 V Loop Power Supply LOOP POWER Range Load Condition 24 V 24 VDC typ load current 20...

Страница 18: ...sing Only remove it when connecting the USB adapter of the communication package sold separately Do not use the instrument near devices that produce high levels of noise or in areas subject to sudden changes in temperature Doing so may result in unstable readings and errors Cleaning Do not wipe the instrument using benzine paint thinner or any other solvent chemical Doing so may lead to discolorat...

Страница 19: ... SHIFT key MIN MAX key RANGE key HOLD key LIGHT key SELECT key RELΔ key Hz key Function switch Input and output terminal area Red Caps of Test leads Black With Caps 1000V 10A CAT 600V 10A CAT Without Caps 1000V 10A CAT 600V 10A CAT Lead cables 98064 70 VDC100 mA CAT ...

Страница 20: ...essing this key you can select different measurement modes when the function switch is at the positions listed below You can switch out of the selected mode by pressing the key again mV mV position AC voltage mV measurement AC SENSOR measurement in SENSOR mode Ω position Diode test LOOP POWER position The SELECT key turns the internal series resistor for HART communication on and off position Oper...

Страница 21: ...alues using numbers or percentages 1 Difference display RELΔ Δ appears on the display 2 Percentage difference display REL Δ and appear on the display Use this key during the zero adjustment of the resistance measurement function With the test leads shorted press the REL key to execute zero adjustment 7 MIN MAX key Use this key to display the minimum MIN maximum MAX and average AVG values within th...

Страница 22: ...abled Appears when the MIN MAX and AVG values are being measured Appears when the MAX value is being displayed Appears when the MIN value is being displayed Appears when the AVG value is being displayed Appears when user calibration is being performed Appears when the auto power off function is enabled Appears during rms value detection Appears when SHIFT has been pressed Shows the main value Show...

Страница 23: ...formed Appears in SENSOR mode 4 3 Measuring Instructions WARNING To avoid damaging the instrument and other equipment Before you start measuring make sure that the position of the function switch and position of the input terminals for connecting the test leads or lead cables are appropriate for the desired mode of measurement Check that they are appropriate for the measurement category Before you...

Страница 24: ...to a circuit the instrument will still display a value but measurement will not be adversely affected 4 3 3 Measuring Using Sensors SENSOR You can use this function to measure the output of a current sensor or other type of sensor that converts its measured values into voltages to convert the voltages into the original measured values and to display the converted values Before you perform measurem...

Страница 25: ...e 01 00 Unit A If you connect the sensor after configuring the above settings the current clamp sensor s output voltage in mV appears in the subdisplay and the current detected by the current clamp sensor appears in the main display You can read the values directly 4 3 4 Resistance Measurement Ω CAUTION To avoid damaging the instrument Before measurement turn off the circuit under measurement so t...

Страница 26: ...pplied 1 Turn the function switch to the position 2 Insert the test leads into the input terminals 3 Connect the test leads to the circuit under measurement whose continuity you want to check If the circuit is continuous less than approximately 50Ω the buzzer sounds Black Red Test leads 4 3 6 Diode Test CAUTION To avoid damaging the instrument Before measurement turn off the circuit under measurem...

Страница 27: ...approximately 0 5 V For an LED the reading should be approximately 1 5 V to 2 0 V Reverse Bias Diode Test Connect the black test lead to the anode and connect the red test lead to the cathode Normally OL appears If a voltage value appears the diode is defective Black Red Figure 1 Forward bias test Test leads Red Black Figure 2 Reverse bias test Test leads ...

Страница 28: ...hen it stabilizes Press the RANGE key to select a range 30 mA range Main display Subdisplay percentage of span When the range is 4 to 20 mA 100 mA range Main display Subdisplay percentage of span When the range is 10 to 50 mA Black Red Test leads Subdisplay Displaying and Configuring the Span In addition to the DC current value in the main display you can also display the span value as a percentag...

Страница 29: ...d value varies depending on the setting 0 100mA 10 50mA or 0 50mA made in section 4 6 Setup Function 4 3 8 Loop Power Measurement You can use this function to measure the current that flows when a constant voltage of 24 VDC is applied 24 V loop measurement can be used for transmitter loop testing You can connect the CA450 to the transmitter instead of connecting a transmitter or signal conditioner...

Страница 30: ...n the display Press SELECT again to turn the internal resistor off Tip The loop power is supplied at the typical value of 24 VDC Depending on different conditions such as the loop current value or whether there is a internal series resistor the voltage across the terminals may be greater than 24 V 4 3 9 Frequency Measurement Hz 1 Turn the function switch to the V position 2 Press the Hz key to sel...

Страница 31: ...V or ACmV measurement this includes SENSOR mode frequency measurement or during a continuity check You cannot use this function at the same time as the relative value display function or when the MIN MAX and AVG values are being recorded Unstable input signals measured values cannot be held 4 3 11 Peak Hold Function The CA450 always detects and updates the instantaneous peak value during DC voltag...

Страница 32: ...held Δ is displayed Main display value The current peak value the peak value when the REL key was pressed 2 Press the REL Δ key again The unit changes to Main display value The current peak value the peak value when the REL key was pressed the peak value when the REL key was pressed 100 3 To no longer show relative values press REL Δ again The Δ and display disappear and the CA450 returns to the n...

Страница 33: ...e value current span setting 100 For measurement types other than DCmA Main display value Measured value reference value Subdisplay value Reference value Percentage Difference Display REL The CA450 computes the value of Measured value reference value reference value and displays the result as a percentage 1 Measure input the reference value 2 Press REL Δ to confirm the reference value Δ is display...

Страница 34: ...units of seconds It shows times greater than 100 minutes in units of minutes To stop recording press the HOLD key D H appears on the display Checking the Recording Time You can check the recorded data by pressing the MIN MAX key to switch between the display of the current maximum MAX minimum MIN and average AVG values To restart recording press the HOLD key again To disable the MIN MAX AVG functi...

Страница 35: ...ithin the specified span WARNING Do not apply a voltage of 48 V or greater to the output terminals Doing so may lead to electric shock Also keep the voltage between the circuit and the ground below 48 V Always use the attached lead cables and lead cables Check that they are appropriate for the measurement category CAUTION In modes other than SIMULATE mode do not apply voltages to the output termin...

Страница 36: ...lue Black Red Lead cables Output Value Setting Key Output Setting Increase and decrease STEP 1 step 25 increase 1 step 25 decrease COARSE 0 1 mA increase 0 1 mA decrease FINE 0 001 mA increase 0 001 mA decrease For details about using the STEP key see Output Values for Each Step and Span Check Mode 5 Connect the lead cables to the circuit under test Tip Because the CA450 outputs current in SOURCE ...

Страница 37: ...is 4 to 20 mA When you hold down STEP or STEP for 1 second or longer SPAN appears and the CA450 enters into span check mode In this mode the output switches to 100 when you press STEP and to 0 when you press STEP Setting Key Output Setting STEP 20 000 mA 100 4 to 20 mA 4 000 mA 0 0 to 20 mA 0 000 mA 0 The COARSE 0 1 mA increase and decrease and FINE 0 001 mA increase and decrease keys can also be ...

Страница 38: ...wer source keep the voltage within the range of 15 to 48 V Set the polarity of the applied voltage as shown in the figure below and be careful not to apply voltage in the opposite direction Transmitter signal conditioner Distributor SIMULATE SINK Two wire system transmitter 4 to 20 mA Black Red 1 Turn the function switch to the position After you turn the function switch OUTPUT appears on the scre...

Страница 39: ...de automatically fluctuate between 0 and 100 of the current span setting 1 Turn the function switch to the position After you turn the function switch OUTPUT appears on the screen and the output starts rising from 0 of the current span setting If you turn the function switch from the position to the position the output value setting and SOURCE SIMULATE setting are retained 2 Press the SHIFT key to...

Страница 40: ... to 60 seconds long Fast 0 to 100 to 0 in 25 steps Each step is 5 seconds long Linear Mode Current Output Output current Span 100 0 Time s 40 15 Slow Fast Step Mode Current Output Output current Span 100 0 Slow 15 to 60 s Fast 5 s Time s Tip In slow step mode you can select 15 30 45 or 60 seconds See section 4 6 4 Setting the Slow Step Time ...

Страница 41: ...nges it to 0 to 20 mA If the current span was set to 0 to 20 mA this operation sets it to 4 to 20 mA The setting you make remains valid until you change it 4 5 Auto Power Off Sleep Function When the Auto Power Off Function Is Enabled AUTO OFF appears The CA450 has an auto power off function that automatically switches itself to sleep mode 20 minutes after the last key operation The buzzer makes a ...

Страница 42: ... off appears 3 The setting to configure changes each time you press the LIGHT or SHIFT key 4 To change a setting use the RANGE and REL keys 5 To save confirm a setting press the HOLD key SEt appears the setting is saved and the setting item is redisplayed 6 To return to normal measurement from setup mode hold down the LIGHT key for 1 second or longer Note To cancel a setting press the LIGHT key fo...

Страница 43: ...1 Press the LIGHT or SHIFT key to display the screen shown below The parameter that can be changed blinks Main display 1 Subdisplay 1 Subdisplay 4 Main unit Main decimal place Main display 4 Keep pressing the LIGHT key to switch between the following parameters Subdisplay 4 subdisplay 3 subdisplay 2 subdisplay 1 main display 4 main display 3 main display 2 main display 1 main decimal place and mai...

Страница 44: ...you select the 100 mA range in DCmA measurement mode you can change the current span 0 to 100 mA 10 to 50 mA or 0 to 50 mA Input Current Value Main display Subdisplay for the 100 mA Range 0 to 100 mA 10 to 50 mA 0 to 50 mA 110 00 mA 110 0 300 0 220 0 0 00 mA 0 0 25 0 0 0 10 00 mA 10 0 0 0 20 0 50 00 mA 50 0 100 0 100 0 100 00 mA 100 0 225 0 200 0 110 00 mA 110 0 250 0 220 0 1 Press the LIGHT or SH...

Страница 45: ... Default Values You can reset all the items that you have changed set in setup mode to their factory default values 1 Press the LIGHT or SHIFT key to display the screen for initialization which shows dEF HOLD 2 The settings return to their default values when you press the HOLD key After donE appears dEF will appear again 3 To return to normal measurement from setup mode hold down the LIGHT key fo...

Страница 46: ...CT All the LCD elements appear only while the SELECT key is pressed Section 4 7 1 HOLD The auto power off function is disabled Section 4 5 HOLD RELΔ The calibration data is returned to its factory default SELECT RANGE Calibration function Chapter 5 4 7 1 Making All the LCD Elements Appear If you hold down the SELECT key and turn the function switch from OFF to any position all the LCD segments and...

Страница 47: ... a reference device that fully satisfies the accuracy of the CA450 DC voltage and current generator or digital multimeter DMM Environment Temperature 23 5 C Humidity 45 to 75 RH no condensation Before you perform calibration leave the CA450 in the environment described above for 30 minutes or more 5 1 Calibrating Measurements Subdisplay Calibration point Main display Measured value Calibration mod...

Страница 48: ...other than RANGE and SELECT cannot be used Table 1 Calibration Table Measurements Function Range Calibration Point Input value AC voltage measurement 6 000 V 6 000 V 50 00 60 00 Hz 60 00 V 60 00 V 50 00 60 00 Hz 600 0 V 600 0 V 50 00 60 00 Hz 1000 V 1000 V 50 00 60 00 Hz 1 DC voltage measurement 6 000 V 6 000 V 60 00 V 60 00 V 600 0 V 600 0 V 1000 V 1000 V DC voltage measurement 600 mV 600 0 mV AC...

Страница 49: ...e value 8 To end calibration turn the function switch off Table 2 Calibration Table Peak Hold Function Range Calibration Point Input value Condition ZERO Full Scale DCV peak hold 6 000 V 0 V 6 000 V 5 1 2 Loop Power Calibration 1 In calibration mode when the CAL segment is displayed turn the function switch to the LOOP POWER position 2 Connect the CA450 to the reference device as shown in the diag...

Страница 50: ...cimal place Main display Up to the third decimal place Fourth decimal place Second decimal place Perform calibration according to Table 4 1 While holding down the SELECT and RANGE keys turn the function switch from the OFF position to the position The CAL segment will be visible 2 Connect the CA450 to the reference device as shown in the diagram 3 Start 5 calibration In the main display and the su...

Страница 51: ... main display and the subdisplay so that it is the same as the value read by the multimeter connected to the CA450 You can use STEP and STEP to adjust the second decimal place and you can use COARSE and COARSE to adjust the fourth decimal place 8 After you have finished adjusting the value press the Hz key to confirm it The calibrated range value is computed and saved in the internal memory The pr...

Страница 52: ...g the CA450 make sure through inspection that the calibration has been performed correctly and that the calibration values have been saved to the memory Inspection Method After calibration has finished turn off the CA450 Then turn on the CA450 and check the calibration in the normal output and measurement modes not calibration mode Use the reference device that you used for calibration to check th...

Страница 53: ...ate with a PC through USB 6 1 Cable Connection and Interface Specifications Cable Connection Remove the blank cover on the back of the CA450 and connect a USB adapter Model 92015 Communication Package sold separately USB adapter USB cable and software Configuring the RS232C Interface Baudrate 9600 bps Parity None Stop bits 2 bits Data length 8 bits Flow control None Terminator CrLf only ...

Страница 54: ...e MIN MAX AVG function Î CC Sets or queries whether the measurement mode is DCmV or ACmV DC sensor or AC sensor in SENSOR mode RG Sets or queries the auto range and range hold settings Î Output settings SF Queries the output function Î SR Sets or queries the output range span SD Sets or queries the output value Î AS Sets or queries whether the current output function is set to SOURCE or SIMULATE m...

Страница 55: ...r data OS Outputs setup data Î ESC C RC Initializes setup data Î ESC S Outputs the status byte H Sets or queries whether a header is attached to the output data OD IM Sets or queries whether the bits in the status byte are detected or masked BL Sets or queries whether the backlight is on or off Î HC Resets the peak hold value Î BZ Sets or queries whether the buzzer is on or off Î MP Sets or querie...

Страница 56: ...s Normal The command can be used during normal measurement and output Cal The command can be used during user calibration see chapter 5 The other conditions for each command are listed in section 6 5 Communication Command Validity Table AS Sets or queries whether the current output function is set to SOURCE or SIMULATE mode Normal Cal Command ASm CRLF Answer ASm CRLF Command AS CRLF Return ASm CRL...

Страница 57: ...e m 0 DC sensor measurement default 1 AC sensor measurement If the measurement mode is neither DCmV nor ACmV ERR13 is returned CD Confirms the output calibration value Normal Cal Command CD CRLF Answer CD CRLF In output calibration mode the current output settings are used as the output calibration values for the currently selected function range and calibration point FS 5 FS or 5 If the CA450 is ...

Страница 58: ...nt output current sweep output or continuity check function ERR13 is returned Î CP Sets the calibration point Normal Cal Command CPm CRLF Answer CPm CRLF Parameters m 0 FS calibration 1 Peak hold zero calibration or 5 output calibration 2 FS calibration 3 5 calibration FS calibration and 5 calibration are used to calibrate the SIMULATE output mode If FS calibration or 5 calibration is specified in...

Страница 59: ...es for the currently selected function range and calibration point FS or 0 If the CA450 is in an output mode ERR13 is returned Î CSF Queries the output mode being calibrated Normal Cal Command CSF CRLF Return CSFm CRLF Parameters m 14 Constant current output 15 Current sweep output If the CA450 is in a measurement mode ERR13 is returned Î CW Saves the calibration value Normal Cal Command CW CRLF A...

Страница 60: ...the CA450 is in any mode other than constant current output mode ERR13 is returned Î DW Decreases the mth digit of the output value by 1 Normal Cal Command DWm CRLF Answer DW OK CRLF Parameters m 1 to 5 1 is the least significant digit while 5 is the most significant digit If the CA450 is in any function other than constant current output function ERR13 is returned If the CA450 is in span check mo...

Страница 61: ...mat H Sets or queries whether a header is attached to the output data OD Normal Cal Command Hm CRLF Answer Hm CRLF Command H CRLF Return Hm CRLF Parameters m 0 Î header default 1 Header The changed setting is valid until the power is turned off HC Resets the peak hold value Normal Cal Command HC CRLF Answer HC OK CRLF When peak hold is not enabled ERR13 is returned Î ...

Страница 62: ...ut mode ERR13 is returned During MIN MAX measurement if HD1 is sent recording and the updating of the display of the elapsed time are stopped If HD0 is sent recording and the updating of the display of the elapsed time are resumed If HD1 is sent while peak hold is enabled ERR13 is returned To clear peak hold use the HC command During calibration only the HD3 command which switches the mode so that...

Страница 63: ...63 1 bit0 measurement completion is detected 2 bit1 output adjustment completion is detected 4 bit2 syntax error is detected 8 bit3 overrange is detected 16 bit4 24 V loop output error is detected 32 bit5 output error is detected Bits 6 and 7 of the status byte are fixed bits The default is m 63 no masking IO Sets or queries whether the internal resistor for HART communication is on or off Normal ...

Страница 64: ...isabled ERR13 is returned Î MF Queries the measurement function Normal Cal Command MF CRLF Return MFm CRLF Parameters m 0 DCV 2 Ω 5 Hz 7 ACV 8 DCmV 9 ACmV 10 Diode test 11 Continuity check 12 DCmA 13 LOOP POWER Î MH Switches or queries frequency measurement Normal Cal Command MHm CRLF Answer MHm CRLF Command MH CRLF Return MHm CRLF Parameters m 0 ACV measurement default 1 Frequency measurement If ...

Страница 65: ...recording starts If the CA450 is in an output mode ERR13 is returned Î MP Sets or queries the span setting for the 100 mA range for DCmA measurement Normal Cal Command MPm CRLF Answer MPm CRLF Command MP CRLF Return MPm CRLF Parameters m 0 0 to 100 mA default 1 10 to 50 mA 2 0 to 50 mA If the CA450 is in an output mode ERR13 is returned The changed setting is valid until it is changed again Î ...

Страница 66: ... Command MR CRLF Return MRm CRLF Parameters DCV m 1 6 V 3 60 V 4 600 V 5 1000 V DCA m 0 30 mA 1 100 mA ACV m 0 6 V 1 60 V 2 600 V 3 1000 V Ω m 0 600 Ω 1 6 kΩ 2 60 kΩ 3 600 kΩ 4 6 MΩ 5 60 MΩ DCmV m 0 600 mV ACmV m 0 600 mV Diode test m 0 2 V Continuity check m 0 600 Ω LOOP POWER m 0 30 mA ...

Страница 67: ... not appear if you specify 0 no header in the H command Data Area 10 bytes s sign _ plus or minus _ represents a space dddddd measured value 6 digits eee E 0 E 3 E 3 E 6 E 6 For overrange no data and burnout ddddddeee _99999 E 6 OE Outputs error data Normal Cal Command OE CRLF Return ERRm CRLF Outputs the most recent output error After a value is returned the saved error number is overwritten with...

Страница 68: ...V OHM FREQ ACV DCmV ACmV DIODE CONTINUITY DCmA LOOP POWER c measurement range 1000V 600V 60V 6V for DCV FREQ 600 mV for DCmV 600 mV for ACmV 60 MOHM 6MOHM 600kOHM 60kOHM 6kOHM 600OHM for OHM 2 V for diode test 600OHM for continuity check 100 mA or 30 mA for DCmA 30 mA for loop power d output ON or OFF e output function DCmA f output range 20 mA for DCmA g output value h output for 24 V loop measur...

Страница 69: ...s the auto range and range hold settings Normal Cal Command RGm CRLF Answer RGm CRLF Command RG CRLF Return RGm CRLF Parameters m 0 Auto range default 1 Range hold When the CA450 is in an output mode or DCmV ACmV diode test or continuity check mode ERR13 is returned Î RP Sets or queries the RELΔ display Normal Cal Command RPm CRLF Answer RPm CRLF Command RP CRLF Return RPm CRLF Parameters m 0 Norm...

Страница 70: ...ERR13 is returned Î SI Sets or queries the input voltage value for SENSOR mode Normal Cal Command SIm CRLF Answer SIm CRLF Command SI CRLF Return SIm CRLF Parameters m input voltage value 0000 to 9999 4 digits If the CA450 is in an output mode ERR13 is returned Because the decimal place of the input voltage value is fixed only the number is entered Î SL Sets or queries the decimal place for SENSOR...

Страница 71: ...CRLF Parameters m 0 SPAN check mode is disabled default 1 SPAN check mode is enabled When you switch to span check mode the previously output values are retained Change the output values using commands such as the UQ and DQ commands If the CA450 is in any mode other than constant current output mode ERR13 is returned Î SR Sets or queries the output range span Normal Cal Command SRm CRLF Answer SRm...

Страница 72: ...de ERR13 is returned Î ST Sets or queries the converted value for SENSOR mode Normal Cal Command STm CRLF Answer STm CRLF Command ST CRLF Return STm CRLF Parameters m converted value 0000 to 9999 4 digits If the CA450 is in an output mode ERR13 is returned Î SU Sets or queries the unit for SENSOR mode Normal Cal Command SUm CRLF Answer SUm CRLF Command SU CRLF Return SUm CRLF Parameters m unit 0 A...

Страница 73: ...5 1 is the least significant digit while 5 is the most significant digit If the CA450 is in any mode other than constant current output mode ERR13 is returned If the CA450 is in span check mode ERR13 is returned Î UQ Increases the output value by one step or sets the output value to 100 Normal Cal Command UQ CRLF Answer UQ OK CRLF Increases the output value by one step 25 Sets the output value to ...

Страница 74: ...Error in the power supply for LOOP POWER measurement ERR23 The output current or voltage has exceeded its limit ERR60 The saved setting data in the internal flash memory is not correct ERR61 The saved measurement calibration value data in the internal flash memory is not correct ERR62 The saved output calibration value data in the internal flash memory is not correct If error number 11 12 or 13 oc...

Страница 76: ... Î Î Î RG Î Î Î Î Î Î Î Î RP Î Î Î Î Î Î Î SD Î Î Î Î Î Î Î Î SF Î Î Î Î Î Î Î SI Î Î Î Î Î Î SL Î Î Î Î Î Î SM Î Î Î Î Î Î Î Î SP Î Î Î Î Î Î Î Î SR Î SS Î Î Î Î Î Î ST Î Î Î Î Î Î SU Î Î Î Î Î Î SY Î Î Î UP Î Î Î Î Î Î Î Î UQ Î Î Î Î Î Î Î Î There are communication commands that may not be executable depending on the selected mode and the status of the CA450 ...

Страница 77: ...ntil the status byte is read bit3 Becomes 1 if a measured value is outside of its limits overrange Becomes 1 if the CA450 switches to a higher range when auto range is enabled The data is held until the status byte is read bit2 Becomes 1 when a forbidden operation or command is processed when the CA450 cannot parse a command or when a parameter is outside of its range The data is held until the st...

Страница 78: ... measure while the case is open Doing so may lead to electric shock CAUTION Do not mix different types of batteries or mix old batteries with new batteries Insert the batteries with their polarities in the directions indicated by the holder Replacement Procedure 1 Remove the fastening screw on the back of the CA450 s case 2 Open the case 3 Replace each of the four batteries with a new battery 4 Re...

Страница 79: ...ay lead to electric shock To avoid damaging the CA450 be sure to use the specified fuses Fuse specifications rating maker and model number F1 and F2 440 mA 1000 V Littlefuse FLU 440 Model number 99042 Replacement Procedure 1 Remove the fastening screw on the back of the CA450 s case 2 Open the case 3 Remove the fuses from their holders 4 Insert the new fuses into the holders Check the ratings of t...

Страница 80: ...and Serial Number Disposing This Product This directive is only valid in the EU This product complies with the WEEE Directive 2002 96 EC marking requirement The label attached to this product indicates that you must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this product is classifi...

Страница 81: ...t Blank cover Back Serial number Serial number details No XXYMnnn Sequential number Production Month 1 Jan 7 Jul 2 Feb 8 Aug 3 Mar 9 Sep 4 Apr A oct 5 May B Nov 6 Jun C Dec Production Year K 2010 R 2016 L 2011 S 2017 M 2012 T 2018 N 2013 U 2019 P 2014 V 2020 Q 2015 W 2021 ...

Страница 82: ...voltage too low Check the external DCV power supply The output or measured values are strange Is it possible that the values are being affected by noise Control through the USB interface is not working Are the communication settings correct Err60 appears when the power is turned on The settings that were specified with the setup function are incorrect Refer to section 4 6 Setup Function to return ...

Страница 83: ... ASSY 导线 98073 98064 电池表示该部件的所有均质材料中的有毒有害物质的含量均在 SJ T11363 2006 标准中所规定的限量以下表示该部件中至少有一种均质材料中的有毒有害物质或元素的含量超过 SJ T11363 2006 标准所规定的限量要求选购 98073 98064 导线环保使用期限该标识适用于 2006 年 2 月 28 日颁布的电子信息产品污染控制管理办法以及 SJ T11364 2006 电子信息产品污染控制标识要求中所述在中华人民共和国销售的电子信息产品的环保使用期限只要您遵守该产品相关的安全及使用注意事项在自制造日起算的年限内则不会因产品中有害物质泄漏或突发变异而造成对环境的污染或对人体及财产产生恶劣影响注该年数为环保使用期限并非产品的质量保证期零件更换的推荐周期请参照使用说明书 Measures for A...

Страница 84: ...1000 Facsimile 31 88 4641111 YOKOGAWA ENGINEERING ASIA PTE LTD SINGAPORE YOKOGAWA MEASURING INSTRUMENTS KOREA CORPORATION KOREA Phone 82 2 551 0660 to 0664 Facsimile 82 2 551 0665 YOKOGAWA AUSTRALIA PTY LTD AUSTRALIA Phone 61 2 8870 1100 Facsimile 61 2 8870 1111 Phone 65 6241 9933 Facsimile 65 6241 2606 YOKOGAWA INDIA LTD INDIA Phone 91 80 4158 6000 Facsimile 91 80 2852 1441 YOKOGAWA SHANGHAI TRAD...

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