Home

- Yokogawa

1. 76 72 Replacing th Puses sodio mede PERIOD PERIERE Calibration and After Sales Service 78 Disposing This Product and Serial Number 78 Troubleshooting 80 1 Overview Display Main display 5 digit LCD Subdisplay 5 digit LCD Measured values other than current values are displayed with 4 digits Various Functions Measurement Functions DC voltage AC voltage DC current 24 V loop power supply possible resistance frequency continuity check and diode test Output Functions DC current constant output current sweep output and SIMULATE SINK function Additional Functions Data hold D H auto hold A H peak hold P H auto range Auto range hold Range Hold maximum minimum and average value recording and measurement zero adjustment Q relative measured value display RELA 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 measurement control and laboratory use Safety requirements for electrical equipment for measurement control and laboratory use This instrument uses a current input terminal shutter for preventing wrong input This instrument uses high performance UL standard fuses 2 Ope
2. 36 4 4 3 Current Sweep Output 4 4 4 Current Span Setting 4 5 Power Off Sleep Function 39 4 6 FUNCION 40 4 6 1 Turning the Buzzer On and Off 40 4 62 SENSOR Mode Input Display and Unit Settings 41 4 6 3 Current Span Setting for the 100 mA Range for DCMA Measurement 42 4 6 4 Setting the Slow Step Time 43 4 6 5 Returning the Settings to Their Factory Default Values 47 Additional Power on Functions 44 4 7 1 Making All the LCD Elements Appear eee 44 User Calibration Function intimes Ann iii 45 Sali Calibrating Measurements ode encre teet 45 511 Peak Hold 47 052 Loop Power Calibration inniti 47 5 2 Calibrating Output trei teer egeat 48 5 3 What to Check after Calibration restes 50 COMMUNI CATON 51 6 1 Cable Connection and Interface Specifications 51 6 2 Communication Commands erento ter 52 63 Detailed Command Descriptions nerit rrt 54 6 4 LAist of Enron nr 72 6 5 Communication Command Validity Table 73 6 6 Status Byte 44 13 Replacing the Batteries and 76 TL Replacing the Batteries
3. disappears the CA450 switches to SOURCE mode and current output starts 3 Connect the lead cables to the positive and negative SOURCE terminals 4 Use the output value setting keys to set the output value OUTPUT m a Output Value Output Setting Setting Key Increase and decrease SIMULATE _ 1 step 25 increase ep 1 step 25 decrease STEP SPAN COARSE FINE GS Gl ENS COARSE 0 1 mA increase v v 0 1 mA decrease UNE y FINE 0 001 mA increase 0 001 mA decrease ore For details about using the STEP key see Output Values for Each Step and Span Check Mode Lead cables Red Black 5 Connect the lead cables to the circuit under test Tip Because the CA450 outputs current in SOURCE mode it consumes more current than in other modes You can keep the current consumption down in SIMULATE mode Hold down the STEP COARSE or FINE key to increase or decrease each digit consecutively Output Values for Each Step You can press STEP or STEP to increase or decrease the output by one step 25 You can check the step value as a percentage in the subdisplay The output current appears in the main display 34 Step Output Value Subdisplay 4 to 20 mA 0 to 20 mA 25 0 000 mA 0 4 000 mA 0 000 mA 25 8 000 5 000
4. MF MH MI MP MR 73 Measurement Output Constant Current Sweep Command Normal RELA MIN MAX Cal SETUP Current Output Output Normal Cal Cal OD O O Q OE O O O O O os O O O x x x x x x x RG O R O O 5 SF x x x x 5 5 O x x x x SM SP x x x x x SR O O O O S O O x 5 O x 5 x x x 5 O x O O O U x x x x x x UQ There are communication commands that may not be executable depending on the selected mode and the status of the CA450 6 6 Status Byte Format Status byte format see the explanation of the ESC S command bit7 bit6 bits bit4 bit3 bit2 bit1 bitO Output 0 1 Output Measurement adjustment fixed fixed error completion bit7 Fixed at 0 bit6 Fixed at 1 bits Becomes 1 if an error occurs during output The data is held until the status byte is read bit4 Becomes 1 if an error occurs in the power supply for LOOP POWER measurement The data is held until the status byte is read bit3 Becomes 1 if a m
5. Fix AUTO n LN E Description Appears during DC measurement or output Appears during AC measurement Appears when the polarity is negative minus Appears during diode test mode Appears during continuity check mode Appears when relative values are being displayed Indicates that the measurement range is set to fixed Indicates that the measurement range is set to auto Indicates the present range Appears when data hold is enabled Appears when auto hold is enabled Appears when peak hold is enabled 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 Shows the input or output value A converted value is shown in SENSOR mode Indicates the main unit Indicates the subunits Shows the MIN MAX and AVG recording time Shows the input voltage unit in SENSOR mode Shows the subvalue Shows the MIN MAX and AVG recording time Shows the reference value during relative calculation 20 Appears when the range has been exceeded Appears when the battery voltage is low OUTPUT
6. 9 77 8 Calibration and After Sales Service Please direct questions about this product to the contact listed on the back of this manual or to your nearest YOKOGAWA dealer Calibration To use the CA450 properly we recommend that you calibrate it regularly Refer to the information about the user calibration function Recommended calibration period 1 year 9 Disposing This Product 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 classified as a Monitoring and Control Instrumentation product Do not dispose in domestic household waste When disposing products in the EU contact your local Yokogawa Europe B V office 78 m Serial Number Serial number can be found on back side of this product Serial number details No XXYMnnn E Sequential number I Production Year Production Month 2010 R 2016 2011 S 2017 2012 2018 2013 U 2019 P 2014 2020 Q 2015 W 2021 lt Back gt Blank cover Serial number 79 10 Troubleshooting What to Check When There
7. Setting Item Initial Setting Buzzer sound SENSOR mode Subdisplay Main display Unit The current span of the 100 mA range for DCmA measurement Slow step time setting 43 4 7 Additional Power on Functions Hold one of the keys below and turn the function switch from OFF to any position to configure various functions If the CA450 is in sleep mode hold down one of the keys below and the LIGHT key for 2 seconds or longer to configure various functions Configured Function Current output and measurement 30 mA range span Section 0 to 20 mA 4 to 20 mA key is pressed The auto power off function is disabled Section 4 5 HOLD RELA 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 marks are displayed The LCD segments and marks are only displayed while the SELECT key is held If the CA450 is in sleep mode hold down the SELECT and LIGHT keys for 2 seconds or longer to turn the entire LCD on 44 5 User Calibration Function To make sure that the CA450 is highly accurate we recommend that you calibrate it regularly You can use the user calibration function to perform calibration CAUTION To avoid electrical shock Make sure that specialized
8. 50 12 000 mA 10 000 mA 75 16 000 15 000 100 20 000 mA 20 000 mA 125 25 000 mA 131 2 25 000 mA For the method for setting the current span see section 4 4 4 Current Span Setting Span Check Mode You can switch the output current between 20 mA and 4 mA or 20 mA and 0 mA using just the STEP keys When the range is 4 to 20 mA AUTO OFF OUTPUT AUTO OFF innn nn uu mA When you hold down STEP or STEP V 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 A and to 0 when you press STEP V Output Setting 20 000 mA 100 STEP 4 to 20 mA 0 to 20 mA 4 000 mA 0 0 000 mA 0 The COARSE 0 1 mA increase and decrease and FINE 0 001 mA increase and decrease keys can also be used To exit span check mode hold down STEP or STEP V for 1 second or longer again SPAN disappears Tip Ifthe set current is 0 1 mA or more and the terminals are open appears in the main display and appears in the subdisplay 35 4 42 Constant Current Output SIMULATE mode When the SIMULATE SINK function is enabled the CA450 can sink the specified amount of current from an external voltage source such as a distributor through the SIMULATE terminal and you can use
9. Continuity check m LOOP POWER 64 Outputs measured values Normal Cal Command OD lt CRLF gt gt Return abbcsddddddeee lt CRLF gt Parameters Header 4 bytes voltage A current resistance T temperature F frequency S SENSOR mode bb DC direct current AC alternating current R3 resistance measurement c N normal O overrange E no data B burnout The header will 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 Outputs error data Command OE lt CRLF gt gt Return ERRm lt CRLF gt Outputs the most recent output error After a value is returned the saved error number is overwritten with ERROO lt CRLF gt Even if there is no error ERROO lt CRLF gt is returned Parameters m Error code See section 6 4 List of Errors 65 Outputs setup data Command OS lt CRLF gt gt Return Measure a lt CRLF Function b lt CRI Range c CRLF Source d lt CRLF gt Function e lt CRI Range f CRLF Data g lt CRLF gt 24V Output h lt CRLF gt Light i lt CRLF gt Charge j lt CRLF gt Parameters a measurement ON or OFF b measurement function DCV OHM FREQ ACV DOmV ACmV
10. MF lt CRLF gt gt Return MFm lt CRLF gt Parameters m 0 DCV 0 Hz ACV DCmV ACmV Diode test Continuity check DCmA LOOP POWER Switches or queries frequency measurement Command MHm lt CRLF gt Answer MHm lt CR Command MH lt CRLF gt gt Return MHm lt CR Parameters m 0 ACV measurement default 1 Frequency measurement If the CA450 is in any mode other than ACV mode ERR13 is returned 62 Sets queries the MIN MAX AVG function Command MIm lt CRLF gt gt Answer MIm lt CRLF gt Command MI lt CRLF gt gt Return MIm lt CRLF gt Parameters m 0 MIN MAX AVG recording is disabled default 1 MIN MAX AVG recording starts If the CA450 is in an output mode ERR13 is returned Sets or queries the span setting for the 100 mA range for DCmA measurement Command MPm lt CRLF gt gt Answer MPm lt CRLF gt Command MP lt CRLF gt gt Return MPm lt CRLF gt Parameters m 0 Oto 100 mA default 1 10 to 50 mA 2 Oto 50 mA If the CA450 is in an output mode ERR13 is returned The changed setting is valid until it is changed again 63 Sets or queries the measurement range Command MRm lt CRLF gt gt Answer MRm lt CRLF gt Command MR lt CRLF gt gt Return MRm lt CRLF gt Parameters DCV m DCA m ACV m DCmV m ACmV m Diode test m
11. ST lt CRLF gt gt Return STm lt CRLF gt Parameters m converted value 0000 to 9999 4 digits If the CA450 is in an output mode ERR13 is returned Sets or queries the unit for SENSOR mode Command SUm lt CRLF gt Answer SUm lt CR Command SU lt CRLF gt gt Return SUm lt CR Parameters m unit 0 A 1 mA 2 uA 3 C 5 MQ 6 T Q 8 kHz 9 Hz 10 uF 11 nF 12 13 Ix 14 none 15 V 16 mV If the CA450 is in an output mode ERR13 is returned 70 Sets queries whether the mode is normal mode or calibration mode Normal Command SYm lt CRLF gt gt Answer SYm lt CRLF Command SY lt CRLF gt gt Return SYm lt CRLF Parameters 0 Normal mode default 1 Calibration mode Increases the m digit of the output value by 1 Command UPm lt CRLF gt gt Answer UP OK lt CRLF gt Parameters m 1 to 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 Increases the output value by one step or sets the output value to 10096 Command UQ lt CRLF gt gt Answer UQ OK lt CRLF gt Increases the output value by one step 25 Sets the output value to 100 of the span in span check mode If t
12. See section 6 6 Status Byte Format Sets or queries whether a header is attached to the output data OD Normal Command Hm lt CRLF gt gt Answer Hm lt CRLF gt Command H lt CRLF gt gt Return Hm lt CRLF gt Parameters m 0 X header default 1 Header The changed setting is valid until the power is turned off Resets the peak hold value Command HC lt CRLF gt gt Answer HC OK lt CRLF gt When peak hold is not enabled ERR13 is returned 59 Sets queries the measured value display hold function Command HDm lt CRLF gt gt Answer HDm lt CRLF gt Command HD lt CRLF gt gt Return HDm lt CRLF gt Parameters m 0 Display update enabled default 1 Data hold 2 Auto hold 3 Peak hold If the CA450 is in an output 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 HDO 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 command which switches the mode so that peak hold calibration can be performed is valid 60 Sets queries whether the bits in the status byte are detected or masked Normal Command IMm lt CRLF gt gt Answer IMm
13. User s CA450 Manual Process Multimeter Store this manual in a safe place for future reference YOKOGAWA IM CA450 EN Yokogawa Meters amp Instruments Corporation 2nd Edition Feb 20116 Registered Trademarks HART is a registered trademark of the HART Communication Foundation m About This Manual Every effort has been made to ensure accuracy in 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 Thank you for purchasing our 450 Process Multimeter This user s manual describes the specifications and handling precaution for this Process Multimeter Before using this Process Multimeter thoroughly read this manual to get a clear understanding on proper use 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 Ist Edition Oct 2010 2nd Edition Feb 2011 All Rights Res
14. DIODE CONTINUITY DCmA LOOP POWER measurement range 1000V 600V 60 6V for DCV FREQ 600 mV for DCmV 600 mV for ACmV 60 6MOHM 600 60 6kOHM 600 for OHM 2 V for diode test 600 for continuity check 100 mA or 30 mA for 30 mA for loop power d output ON or OFF e output function f output range 20 mA for DCmA g output value h output for 24 V loop measurement ON or OFF i backlight ON or OFF j charging OFF always OFF 66 Sets or queries the current sweep output Command RAm lt CRLF gt gt Answer RAm lt CRLF gt Command RA lt CRLF gt gt Return RAm lt CRLF gt Parameters m 0 Slow Linear default 1 Fast Linear Slow Step Fast Step 2 3 When the CA450 is in a measurement mode or constant current output mode ERR13 is returned Sets or queries the auto range and range hold settings Command RGm lt CRLF gt gt Answer RGm lt CRLF gt Command RG lt CRLF gt gt Return RGm lt CRLF gt Parameters m 0 Auto range default 1 Range hold When the CA450 is in an output mode or DCmV diode test or continuity check mode ERR13 is returned Sets or queries the RELA display Normal Command RPm CRLF Answer RPm CR Command RP CRLF Return RPm CR Parameters 0 Normal measurement default 1 RELA display 2 REL display If the
15. Ifthe 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 m Operation and Storage Precautions N CAUTION When inserting the batteries into the instrument refer to section 7 1 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 Ifyou do not intend to use the instrument for a significant period of time remove its batteries 4 2 Components Panel description Test leads 98073 HAO YOKOGAWA 5 Display LCD 3 o SHIFT key MIN MAX key a RANGE key TNE HOLD x HOLD key Doer en
16. disappears 39 Restoring the Auto Power Off Function When the function switch is set to OFF or when the CA450 enters sleep mode the auto power off function is restored When the power is turned on or when sleep mode is cleared AUTO OFF appears 4 6 Setup Function You can use the setup function to 1 Turn the buzzer on and off 2 Configure SENSOR mode input display and unit settings 3 Set the current range of the 100 mA range for DCmA measurement 4 Set the slow step time 5 Return the settings to their factory default values 1 Press the SHIFT key Shift appears on the display 2 While Shift is displayed press the LIGHT key to switch to setup mode After SEtUP appears the screen for turning the buzzer on and off appears SHIP bEEP 3 The setting to configure changes each time you press the LIGHT or SHIFT key 4 change setting use the A 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 Toreturn to normal measurement from setup mode hold down the LIGHT key for 1 second or longer cancel setting press the LIGHT key for 1 second or longer without pressing the HOLD key or use the function switch to turn the power off You cannot enter setup mode from one of the current output modes constant current output or current sweep output
17. 100 to 0 in 40 seconds Fast rl Slow Fast 0 to 100 to 0 in 15 seconds 0 to 100 to 0 in 25 steps 0 to 100 to 0 in 25 steps Each step is 5 seconds long Linear Mode Current Output Fast Slow Each step is 15 to 60 seconds long o 8 5 5 6 a 100 pex 0 rl Step Mode Current Output 40 Time s 100 o 5 5 a 0 Pare 15 to 60 s Time s Fast 5s Tip See section 4 6 4 Setting the Slow Step Time nslow step mode you can select 15 30 45 or 60 seconds 4 44 Current Span Setting You can select one of the following two current spans The following two percentage displays vary depending on the selected range the output current value and the measured current value for mA measurement mode in the 30 mA range Current Span Output Current and Measured Current 30 mA range Notes Setting When the display is 090 When the display is 10096 4 to 20 mA 4 000 mA 20 000 mA Factory default 0 to 20 mA 0 000 mA 20 000 mA You can use the following method to set change the current span 1 Turn the function switch to the OFF position or put the CA450 into sleep mode 2 While holding down the RANGE key turn the function switch to any position If the CA450 is in sleep mode hold down the RANGE and LIGHT keys for 2 seconds or longer 3 After all the LCD ele
18. BAC LIGHT key SELECT key f RELA key Hz key Function switch sout rey yy Input and output terminal area mm Red Black With Caps 1000V 10A 600V 10A CAT IV Without Caps 1000V 10A CAT I 600V 10 CAT II Lead cables 98064 Es 70 VDC100 mA 1 Function switch Use this switch to turn the power on and off and to select the measurement mode Turns the CA450 off Continuity check AC voltage measurement and DC current measurement frequency measurement DC current output DC voltage measurement Constant current output DC AC voltage measurement nV mvV DC current output inmV ENSOR t tput nias and various SENSOR modes Ciment sweep outpu Resistance measurement m DC current measurement Diode test LOOP POWER power supply OQ If test leads or lead cables are connected to the current measurement and output terminals you cannot turn the function switch to the OFF position 2 SELECT key By pressing 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 position Diode test MALOOP POWER position The SELECT key turns the interna
19. CA450 is in an output mode ERR13 is returned 67 O Sets or queries the output value Command SDm lt CRLF gt gt Answer SDm lt CRLF gt Command SD lt CRLF gt gt Return SDm lt CRLF gt Parameters m output value 0 000 to 25 000 If the CA450 is in a measurement mode ERR13 is returned Queries the output function Normal Command SF lt CRLF gt gt Return SFm lt CRLF gt Parameters 14 Constant current output 15 Current sweep output If the CA450 is in a measurement mode ERR13 is returned Sets or queries the input voltage value for SENSOR mode O Normal Command SIm lt CRLF gt gt Answer SIm lt CRLF gt Command SI lt CRLF gt gt Return SIm lt CRLF gt 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 Sets or queries the decimal place for SENSOR mode O Normal Command SLm lt CRLF gt gt Answer SLm lt CRLF gt Command SL lt CRLF gt gt Return SLm lt CRLF gt Parameters m decimal place 0 X XXX 1 XX XX 2 XXX X 3 XXXX If the CA450 is in an output mode ERR13 is returned 68 O Sets or queries SENSOR mode Command SMm lt CRLF gt gt Answer SMm lt CRLF gt Command SM lt CRLF gt gt Return SMm lt CRLF gt Parameters m 0
20. SENSOR mode is disabled default 1 SENSOR mode is enabled If the CA450 is in a mode other than DCmV or DCmA mode ERR13 is returned Sets or queries SPAN check mode Normal Command SPm CRLF Answer SPm CR Command SP CRLF Return SPm CR 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 Sets or queries the output range span Command SRm lt CRLF gt Answer SRm lt CR Command SR lt CRLF gt gt Return SRm lt CR Parameters m 0 4 to 20 mA span factory default setting 1 Oto 20 mA span The changed setting is valid until it is changed again 69 Sets or queries the slow step time Command SSm lt CRLF gt gt Answer SSm lt CRLF gt Command SS lt CRLF gt gt Return SSm lt CRLF gt Parameters m 0 15 seconds default 1 30 seconds 2 45 seconds 3 60 seconds If you select slow step mode for current sweep output this command sets or queries the hold time of each step If the CA450 is in an output mode ERR13 is returned Sets or queries the converted value for SENSOR mode Normal Command STm lt CRLF gt gt Answer STm lt CRLF gt Command
21. Sets or queries the current sweep output O Sets or queries the slow step time 52 Other commands Command Description Sets or queries whether the mode is normal mode or calibration mode Queries the calibration item Sets the calibration point Queries the measurement mode being calibrated Confirms the measurement calibration value Queries the output mode being calibrated Sets the output calibration value Confirms the output calibration value Saves the calibration value Outputs error data Outputs setup data Initializes setup data Outputs the status byte Sets or queries whether a header is attached to the output data OD O IOI O JO O XI x x Sets or queries whether the bits in the status byte are detected or masked Sets queries whether the backlight is on off Resets the peak hold value Sets or queries whether the buzzer is on or off Sets or queries the span setting for the 100 mA range for DCmA measurement Sets or queries the input voltage value for SENSOR mode Sets or queries the converted value for SENSOR mode Sets or queries the decimal place for SENSOR mode Sets or queries the unit for SENSOR mode 53 6 3 Detailed Command Descriptions Configuration and Control Command The format for sending the command Answer The
22. averaged value that is displayed is the total of the recorded data divided by the number of recorded values When you press the MIN MAX key recording starts and MIN MAX and AVG appear on the display The AUTO OFF function is disabled Recording Time The timer starts and the time from the start of recording is displayed as well as the MIN MAX record update time The recorded time display shows times in the range of 0 seconds to 99 minutes 59 seconds in units of seconds It shows times greater than 100 minutes in units of minutes To stop recording press the HOLD key 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 function hold down MIN MAX for second or longer MIN and AVG disappear AK Note While recording is stopped removing the test leads does not affect the recorded data When an out of range input value is recorded the minimum or maximum value is displayed as OL and the average value data becomes inaccurate When you are measuring a widely fluctuating signal set the range to contain the maximum and minimum values so that these values are not displayed as OL 32 4 4 Output Instructions T
23. circuit under measurement and then read the value when it stabilizes DC Voltage Measurement V mV Turn the function switch to the S V or mV position Insert the test leads into the input terminals Connect the test leads to the circuit under measurement and then read the value when it stabilizes FUN Note adversely affected com 1 0 Test leads Black Red com 9 Test leads Black Red If the mV or mV range setting is selected and the test leads are not connected to a circuit the instrument will still display a value but measurement will not be 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 measurement you need to configure unit conversion and other settings See SENSOR Mode Input Display and Unit Settings in section 4 6 Setup Function 1 Turn the function switch to the mV position 2 Press SHIFT SELECT to switch to DC SENSOR mode To switch to AC SENSOR mode press SELECT again The input voltage appears in the subdisplay In the main display the value converted using the settings configured in SENSOR Mode Input Display and Unit Settings in section 4 6 appears
24. gt Parameters m 0 FS calibration 1 Peak hold zero calibration or 5 output calibration FS calibration 5 calibration FS calibration and 5 calibration are used to calibrate the SIMULATE output mode If FS calibration or 5 calibration is specified in measurement mode ERR13 is returned 56 x Sets the output calibration value Command CRm lt CRLF gt gt Answer CRm lt CRLF gt Command CR lt CRLF gt gt Return CRm lt CRLF gt Parameters m 18 0000 to 22 0000 for FS calibration m 0 9600 to 1 0400 for 5 calibration Confirms the measurement calibration value Normal Command CS lt CRLF gt gt Answer CS lt CRLF gt In measurement calibration mode the current measured values are used as the measurement calibration values for the currently selected function range and calibration point FS or 0 If the CA450 is in an output mode ERR13 is returned Queries the output mode being calibrated x Command CSF lt CRLF gt gt Return CSFm lt CRLF gt Parameters m 14 Constant current output 15 Current sweep output If the CA450 is in a measurement mode ERR13 is returned Saves the calibration value Command CW lt CRLF gt gt Answer CW OK lt CRLF gt normal completion Saves the data after a mode or range is calibrated If you turn off the CA450 without executing this command the calibrations made immediately before are discard
25. other dangers that may lead to serious injury or the loss of life Test Leads and Lead cables Use the products provided by Yokogawa for this device Do not use degraded or damaged test leads or lead cables Check the continuity of the test leads and lead cables When you attach or remove the test leads or lead cables or remove the case for example to change the batteries be sure to remove the lead cables from the circuit under measurement When 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 specified rating when the fuse is replaced Operating Environment Do not operate the instrument in an atmosphere where any flammable or explosive gas is present Avoid using the instrument if it has been exposed to rain or moisture or if your hands are wet Disassembly No person except personnel from Yokogawa is authorized to disassemble this instrument Concernant l usage en toute s curit de ce produit Symboles utilis s sur les appareils et dans le manuel d instruction A Avertissement Indique un danger Attire l attention sur une utilisation quipo
26. software Configuring the RS232C Interface Baudrate 9600 bps Parity None Stop bits 2 bits Data length 8 bits Flow control None Terminator CrLf only 6 2 Communication Commands Item Data acquisition Command OD Description Outputs measured values Queries the measurement function Sets or queries the measurement range Sets or queries the measured value display hold function Sets or queries SENSOR mode Switches or queries diode test mode Sets or queries whether the internal resistor for HART communication is on or off Sets or queries frequency measurement Sets or queries the RELA display Sets or queries the MIN MAX AVG function Switches or queries the MIN MAX AVG function Sets or queries whether the measurement mode is DCmV or ACmV DC sensor or AC sensor in SENSOR mode Sets or queries the auto range and range hold settings Queries the output function Sets or queries the output range span Sets or queries the output value Sets or queries whether the current output function is set to SOURCE or SIMULATE mode Increases the m digit of the output value by 1 Decreases the m digit of the output value by 1 Sets or queries SPAN check mode Increases the output value by one step or sets the output value to 100 Decreases the output value by one step sets the output value to 0 O
27. the CA450 to simulate a two wire system transmitter in a loop test You can connect the CA450 instead of a transmitter to test a transmitter or signal conditioner N CAUTION When sinking 20 mA from an external power 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 Two wire system transmitter Transmitter signal conditioner 4 to 20 mA Distributor Black SIMULATE SINK 1 Turn the function switch to the E mA position After you turn the function switch OUTPUT appears on the screen and the output is set to 0 of the current span setting If you turn the function switch from the A position to the 4 mA position the output value setting and SOURCE SIMULATE setting are retained 2 Press the SHIFT key SIMULATE appears Current sinking starts 36 3 Connect the lead cables to the positive and negative SIMULATE terminals Connect the positive SIMULATE terminal to the positive terminal of the external DCV power source Make sure that the power source voltage is within 15 to 48 V 4 Just as in SOURCE mode use the output setting keys to set the sink current value To enter span check mode hold down STEP A or STEP Y for one second or longer 5 Connect the lead cables to the circuit under test Press the SHIF
28. 00 Hz If the power supply frequency is 60 Hz calibrate using 50 00 Hz 30 000 mADC 30 000 mA 100 00 mADC 46 100 00 mA 5 1 1 Peak Hold Calibration 1 In calibration mode when the CAL segment is displayed turn the function switch to the V position 2 Press the HOLD key to enable peak hold mode 3 Use the test leads to connect the CA450 to the reference device 4 From the reference device apply the value under ZERO in Table 2 The calibration point appears in the subdisplay You can clear the peak value by pressing the MIN MAX key 5 Press the Hz key to confirm the value 6 From the reference device apply the value under Full Scale in Table 2 The calibration point appears in the subdisplay You can clear the peak value by pressing the MIN MAX key 7 Press the Hz key to confirm the value 8 To end calibration turn the function switch off Table 2 Calibration Table Peak Hold Calibration Point Input value diti ZERO Full Scale Condition Function Range D 6 000 OV 6 000 V peak hold 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 450 to the reference device as shown in the diagram 3 Set the reference device the sink to 30 000 mA The calibration point appears in the subdisplay 4 Adjust the reference device which was set to 30 000 mA
29. 001 1000 Vrms 0 01 kQ 0 2969 1 1 0 1 0 001 0 35993 0 01 MQ 1 2 2 51 The accuracy after ZERO CAL 2 For 40 MQ to 60 MQ the accuracy is 2 2 Response time Within 2 seconds for 600 to 600 within 10 seconds for 6 MQ to 60 MQ Continuity Check M i Open L Input Protecti Range Resolution Operating Range Current Voltage Voltage The buzzer sounds at 600 Q 019 resistances lower than lt 1 2 mA lt 3 5V 1000 Vrms 50 30 Q Diode Test FRE Open Loop Input Protective Range Resolution Accuracy Current Volt Volt oltage oltage Vf 0 6 V 8 8 Approx 0 5 Ir Frequency Measurement in Hz AC Coupling Input Voltage Range 10 00 Hz to 199 99 Hz 0 01 Hz 0 3 to 600 Vrms 90 0 Hz to 1999 9 Hz 0 1 Hz 0 005 1 0 900 Hz to 19 999 kHz 0 001 kHz 0 4 to 600 Vrms Peak Hold Minimum Detection Width DCV 100 digit DC Output 4 mA Resolution Accuracy Load Condition SOURCE 0 to 20 mA Compliance voltage 28 V SIMULATE SINK 0 to 20 mA External power supply 15 to 48 V 0 05 of range overrange up to 25 mA lt 10 mH 24 V Loop Power Supply LOOP POWER Range Load Condition 24V 24 VDC typ load current 20 mA 4 Operation 4 1 Precautions before Measurement m Checking the Contents of the Package After receiving the product and opening the package check the items described below
30. 22 DC SENSOR range AC SENSOR range ren AUTO OFF AUTOOFF com vo INA mv INF mv SENSOR Tu SENSOR Tu 0 SENSOR 3 Connect the sensor that you will use to the input terminals 4 Read the value when it stabilizes To return to normal mV measurement press SHIFT SELECT again Example of measurement when connecting a current clamp sensor with an input to output ratio of 10 mV A Use the setup function see section 4 6 to configure the following settings Instrument input voltage 10 0 mV Converted value decimal place 01 00 Unit A If you connect the sensor after configuring the above settings the current clamp sensor 8 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 N CAUTION To avoid damaging the instrument Before measurement turn off the circuit under measurement so that no voltage is applied lt E 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 and then read the value when it stabilizes Test leads Black Red 23 AK Note Zero adjustment for resistance We recommend that you perform zero adjustment to obtain accurate measurem
31. 6400 Facsimile 1 770 254 0928 YOKOGAWA EUROPE B V THE NETHERLANDS Euroweg 2 3825 HD Amersfoort THE NETHERLANDS Phone 31 88 4641000 Facsimile 31 88 4641111 YOKOGAWA AMERICA DO SUL LTDA BRAZIL Phone 55 11 5681 2400 Facsimile 55 11 5681 4434 YOKOGAWA ENGINEERING ASIA PTE LTD SINGAPORE Phone 65 6241 9933 Facsimile 65 6241 2606 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 YOKOGAWA INDIA LTD INDIA Phone 91 80 4158 6000 Facsimile 91 80 2852 1441 YOKOGAWA SHANGHAI TRADING CO LTD CHINA Phone 86 21 6239 6363 Facsimile 86 21 6880 4987 YOKOGAWA MIDDLE EAST S C C BAHRAIN Phone 973 17 358100 Facsimile 973 17 336100 YOKOGAWA ELECTRIC CIS LTD RUSSIAN FEDERATION Phone 7 495 737 7868 Facsimile 7 495 737 7869 2009 2
32. Appears during current output Shows the current sweep output or step output status Appears during slow linear output Appears during fast linear output Appears during slow step output Appears during fast step output Appears in loop power supply mode Appears when the internal resistor for HART communication is on Appears in SPAN check mode Appears when the SIMULATE operation is being performed 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 turn the function switch remove the test leads or lead cables from the circuit under measurement Before you use this instrument or use its indications as a reference for further procedures make sure that the instrument functions properly when used with a known power supply 21 4 3 1 1 2 3 4 4 3 2 1 2 3 AC Voltage Measurement V mV Turn the function switch to the CV or mV position If you turned the function switch to mV press SELECT is displayed Insert the test leads into the input terminals Connect the test leads to the
33. Is a Problem If the CA450 does not work properly even after you check the items below or you have a problem that is not listed below contact your nearest YOKOGAWA dealer Items to Check Even when the power is on nothing appears on the LCD Are the batteries inserted properly Have the batteries worn out Current output is not working Have the fuses melted blow out SOURCE mode When the current is output is the load resistance too high Open output terminals or leads SIMULATE mode 15 the input voltage too low Check the external DCV power supply The output or measured values are strange Control through the USB interface is not working Is it possible that the values are being affected by noise 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 the CA450 to its factory default settings Err61 or Err62 appears when the power is turned on The calibration data is incorrect Refer to section 4 7 Additional Power on Functions to return the calibration data to its factory defaults If after you perform the above operations errors still appear every time you turn on the power repairs are necessary 80 Measures for Administration of the Pollution Control of Electronic Information Product of
34. LA key Use this key to display the measured values as relative values you can display the differences between values using numbers or percentages 1 Difference display RELA A appears on the display 2 Percentage difference display REL A 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 the measurement period When you press the key recording starts and MIN MAX and AVG appear on the display The AUTO OFF function is disabled When peak hold is enabled press the REL key to reset the peak value 8 Hz key When the function switch is tumed to V use this key to switch between AC voltage measurement and frequency measurement Use this key in calibration mode to confirm the calibration value 9 SHIFT key If you press SHIFT while a measurement mode is selected Shift appears on the display In this state you can configure various settings by pressing the various keys SHIFT LIGHTkey mode SELECT key Switches from mV mode to SENSOR mode While an output mode is selected press SHIFT to switch between SOURCE and SIMULATE Display LCD Description AUTO OFF RMS 2 280 G2 CID EU 9718 AT E S ou as mowa DLL 8
35. Parameters m 0 OFF 1 On default Sets or queries whether the measurement mode is DCmV or ACmV Normal Command CCm lt CRLF gt Answer CCm lt CRLF gt Command CC lt CRLF gt gt Return CCm lt CRLF gt Parameters m 0 DCmV measurement default 1 ACmV measurement In SENSOR mode 0 DC sensor measurement default 1 sensor measurement If the measurement mode is neither DCmV nor ACmV ERR13 is returned Confirms the output calibration value O Normal Command CD lt CRLF gt gt Answer CD lt CRLF gt 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 in a measurement mode ERR13 is returned Queries the calibration item Command CL lt CRLF gt Return CLm lt CRLF gt Parameters 3 Output calibration 4 Measurement calibration 55 x Queries the measurement mode being calibrated Command CMF lt CRLF gt gt Return CMFm lt CRLF gt Parameters m 0 DCV 2 Q ACV DCmV 9 ACmV 10 Diode test 11 Continuity check 12 DCmA 13 LOOP POWER If the CA450 is in constant current output current sweep output or continuity check function ERR13 is returned Sets the calibration point Normal Command CPm lt CRLF gt gt Answer CPm lt CRLF
36. T key again SIMULATE disappears and the CA450 returns to constant current output SOURCE mode Tip Ifthe set current is 0 1 mA or more and the terminals are open appears in the main display and appears in the subdisplay 4 4 3 Current Sweep Output You can make the output current in SOURCE or SIMULATE mode automatically fluctuate between 0 and 100 of the current span setting 1 Turn the function switch to the A 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 4 mA gt position to the position the output value setting and SOURCE SIMULATE setting are retained 2 Press the SHIFT key to select the current output mode SOURCE or SIMULATE 3 Press the SELECT key to select an output mode When you change the output mode the current starts rising from the value currently being output according to the new mode 4 After you connect the lead cables to the appropriate terminals for the output mode SOURCE or SIMULATE connect them to the circuit under test Tip Ifyou want to stop a current sweep that is being output turn the function switch to m mA The constant current output value is set to the value of the current being output when the switch is turned 37 Operation Mode Slow Operation 0 to
37. age in the subdisplay Subdisplay for the 30 mA Range Input Current Value Subdisplay for the 30 mA Range Main displa 4 to 20 mA 0 to 20 mA 33 000 mA 0 000 mA 4 000 mA 20 000 mA 100 0 100 0 30 000 mA 162 5 200 0 33 000 mA 181 3 165 0 The displayed value varies depending on the setting 4 to 20 mA or 0 to 20 mA made in section 4 4 4 Current Span Setting 26 Subdisplay for the 100 mA Range Input Current Value Subdisplay for the 100 mA Range Main display 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 The displayed 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 Two wire system transmitter Transmitter signal conditioner x x Distributor Black LOOP POWER 27 1 Turn the function switch to the mA LOOP POWER position LOOP POWER appears on the display A constant voltag
38. ak value display is held You can reset the held peak value by pressing the MIN MAX key You can hold a new peak value 29 FUN Note Even if the polarity of the input signal DCV is negative minus as long as the peak change direction is positive the peak value can be measured While the peak value is being measured you can display relative values based on a measured reference value 1 Press the REL A key while the peak is held is displayed Main display value The current peak value the peak value when the REL key was pressed 2 Press the REL A 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 96 3 To no longer show relative values press REL A again The A and display disappear and the CA450 returns to the normal peak hold mode Youcan reset the peak value by pressing MIN MAX You can hold a new peak value 30 4 3 12 Relative Value Display REL A The CA450 can calculate and display relative values that represent the difference or percentage from a reference value In this display the range is fixed Difference Display REL A The CA450 shows the value of the measured value minus the reference value 1 Measure input the reference value 2 Press REL A to confirm the reference value is displayed a
39. 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 Test leads Test leads Black Red Red Black Figure 1 Forward bias test Figure 2 Reverse bias test 25 4 3 7 DC Current Measurement mA N 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 are appropriate for the desired mode of measurement The maximum input current for mA measurement is 110 mA 1 Turn the function switch to the position 2 Connect the black test lead to the COM input terminal mA COM and connect the red test lead to the mA input terminal Q 9 3 Connect the test leads to the circuit under measurement H and then read the value when it stabilizes Press the RANGE key to select a range Test leads Red Black Subdisplay percentage of span Subdisplay percentage of span When the is 4 to 20 mA When the iii i is 10 to 50 mA 1000 1000 1 A t t Main display Main display 30 mA range 100 mA range 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 percent
40. ccuracy of reading digits DC Voltage Measurement V mV Maximum Input Resolution Accuracy Input Resistance Voltage 0 09 2 10 or more Approx 11 MQ 1000 VDC 0 09 1 Approx 10 1000 Vrms 0 1 1 NMRR 60 dB or more 50 60 Hz 0 1 CMRR 120 dB or more 50 60 Hz Rs 1 kQ Response time Within 1 second AC Voltage Measurement V mV AC coupling rms value detection sine wave Accuracy Maximum Input Resolution 40 Hz to 500 Hz to Input 50 60 Hz Impedance 500 Hz 1 kHz Voltage 0 1 mV 10 MQ or more lt 200 pF 0 001 V Approx 11 lt 50 pF 0 01 V 0 5 5 0 1V Approx 10 50 pF 1V For a range of 5 to 100 the accuracy for the 1000 V range is 200 V to 1000 V CMRR 60 dB or more DC to 60 Hz Rs 1 KQ For nonsinusoidal waveforms whose crest factor is less than 3 add 2 of reading 2 of range 1000 VDC 1000 V rms AC to the accuracy For the 1000 V range the peak voltage is 1500 V or less Response time Within 2 seconds DC Current Measurement mA Voltage Drop 30 mA 0 001 mA 0 05 2 lt 0 3V 100 mA 1 0 01 mA 0 05 2 lt 0 8 V 1 Only the 30 mA range can be used during LOOP POWER output Response time Within 1 second Resistance Measurement Q Maxi Input aximum Open Loop npu Resolution Accuracy Measuring Protective Current Voltage Voltage 0 10 0 2992 0
41. device apply the values in Table 1 The calibration point appears in the subdisplay 45 4 Press the Hz key to confirm the value Press the calibration confirmation key after the reference device s value stabilizes 5 To calibrate other ranges press the RANGE key to switch the range check the function switch and the input terminals refer to table 1 and perform steps 3 and 4 again To perform peak hold and loop power calibration see section 5 1 1 Peak Hold Calibration and section 5 1 2 LOOP POWER calibration 6 To end calibration turn the function switch off FUN Note You cannot calibrate the continuity check Even in calibration mode normal measurement is performed Keys other than RANGE and SELECT cannot be used Table 1 Function AC voltage measurement Calibration Table Measurements Calibration Point Input value 6 000 V 50 00 60 00 Hz 60 00 V 50 00 60 00 Hz 600 0 V 50 00 60 00 Hz 1000 50 00 60 00 Hz 1 DC voltage measurement 6 000 V 60 00 V 600 0 V 1000 V DC voltage measurement mV 600 0 mV AC voltage measurement 600 0 mV 2 2 000 Resistance measurement 9 600 0 Q 600 0 Q 6 000 kQ 6 000 60 00 kQ 60 00 kQ 600 0 kQ 600 0 kQ 6 000 MQ 60 00 MQ 6 000 MQ 40 00 MQ DC voltage measurement mA 51 Ifthe power supply frequency is 50 Hz calibrate using 60
42. e of 24 VDC is output between the SOURCE and SOURCE measurement terminals 2 Connect the red test lead to SOURCE and the black test lead to SOURCE 3 Connect the test leads to the circuit under measurement and then read the values when they stabilize Just as in mA measurement the main display shows the measured value and the subdisplay shows the value of the measured value divided by the current span times 100 See chapter 4 3 7 4 Press SELECT to turn the internal 250 Q series resistor for HART communication on 250QHART appears on 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 39 Frequency Measurement Hz 1 Turn the function switch to the V position 2 Press the Hz key to select frequency measurement The measured frequency value and unit appear in the main display and the measured voltage appears in the subdisplay 3 Insert the test leads into the input terminals 4 Connect the test leads to the circuit under measurement 3 4 and then read the values when they stabilize COM vo Test leads Black Red Tip Note that range hold and selection operations performed using the Range
43. e ou l humidit ou si vos mains sont humides D montage Aucune personne except le personnel de Yokogawa n est autoris e d monter cet instrument Contents 8 Operating Environment ssiri N E Ea E EER 9 SPE CHICA ONS i EE E OTa 11 3 1 G neral 5 rri EaR E 11 3 2 Accuracy Operations nine a E ARAE R A A R REEERE 16 4 1 Precautions before Measurement 16 22 COMPONEMUS ase e E eT EEEE VIAE ETE E 17 4 3 Measuring Instructions hee rte ttn 21 4 3 1 AC Voltage Measurement V 22 4 3 2 DC Voltage Measurement V 22 4 3 3 Measuring Using Sensors SENSOR 4 3 4 Resistance Measurement 2 43 5 Continuity Check e i uec eet 24 43 6 Diode Test 24 437 DC Current Measurement mA 26 4 3 8 Loop Power Measurement 27 4 3 9 Frequency Measurement HZ 28 4 3 10 Hold Function sereine 29 4 3 11 Peak Hold Function 20 4 3 12 Relative Value Display REL A 96 eee 31 4 3 13 MIN MAX AVG Function 32 4 4 Output Instr cfiOlis 33 44 1 Constant Current Output SOURCE 34 44 2 Constant Current Output SIMULATE
44. easured 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 status byte is read Becomes 1 when output is on after the output value has changed and the output has stabilized The data is held until the status byte is read bitO Becomes 1 when measured data is confirmed during measurement The data is held until the status byte is read 75 7 Replacing the Batteries and Fuses 7 1 Replacing the Batteries When the battery voltage falls below the operating voltage appears on the display Follow the procedure below to replace the batteries WARNING To avoid electrical shock be sure to disconnect the CA450 from the circuit under measurement Remove the test leads and lead cables as well Turn the CA450 off Do not measure while the case is open Doing so may lead to electric shock N 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 ne
45. ed 57 Switches or queries diode test mode Command DIm lt CRLF gt gt Answer DIm lt CRLF gt Command DI lt CRLF gt gt Return DIm lt CRLF gt Parameters m 0 Resistance measurement default 1 Diode test If the mode is neither Q nor diode test ERR13 is returned Decreases the output value by one step or sets the output value to 0 Normal Command DQ lt CRLF gt gt Answer DQ OK lt CRLF gt Decreases the output value by one step 25 Sets the output value to 0 of the span in span check mode If the CA450 is in any mode other than constant current output mode ERR13 is returned Decreases the m digit of the output value by 1 Normal Command DWm lt CRLF gt gt Answer DW OK lt CRLF gt 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 mode ERR13 is returned Initializes setup data ESC ASCII 0x1B Command ESC C lt CRLF gt or Command RC lt CRLF gt However when this command is used to initialize the settings The output current span setting 0 to 20 mA or 4 to 20 mA is not initialized 58 Outputs the status byte ESC ASCII 0x1B Command ESC S lt CRLF gt gt Answer m lt CRLF gt Outputs the status byte as a decimal number
46. ents After you perform steps 1 and 2 above short the test leads and press the REL key When zero adjustment is performed the instrument will show a reading of 0 0 The zero adjustment value is used until the power is turned off 4 3 5 Continuity Check 1 N CAUTION To avoid damaging the instrument 1 2 3 Before measurement turn off the circuit under measurement so that no voltage is applied Turn the function switch to the e1 position e Insert the test leads into the input terminals com VQ Connect the test leads to the circuit under measurement Q whose continuity you want to check H If the circuit is continuous less than approximately 509 the buzzer sounds Test leads Black Red 4 3 6 Diode Test t N CAUTION To avoid damaging the instrument 1 2 3 Before measurement turn off the circuit under measurement so that no voltage is applied Turn the function switch to the position Press SELECT to switch to diode measurement com ye is displayed Q Insert the test leads into the input terminals Connect the test leads to the diode and then read the value Test leads when it stabilizes Black Red 24 Forward Bias Diode Test Connect the black test lead to the cathode and connect the red test lead to the anode For a silicon diode the reading should be approximately 0 5 V For an LED the reading should be
47. erved Copyright 2010 Yokogawa Meters amp Instruments Corporation 1 Regarding Safe Use of This Product For safe use of this product the following safety symbols are used on the product and manual N WARNING AN Tip 8 mo This indicates that the operator must refer to an explanation in the instruction manual in order to avoid the risk of serious injury or the loss of life CAUTION This indicates that the operator must refer to an explanation in the instruction manual in order to avoid the risk of injury or damage to the product Note This indicates information that is essential for handling the instrument or should be noted in order to familiarize yourself with the instrument s operating procedures and or functions 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 the instrument This symbol indicates double insulation or reinforced insulation This symbol indicates DC voltage current This symbol indicates AC voltage current This symbol indicates AC and DC This symbol indicates a fuse This symbol indicates a battery This symbol indicates ground earth WARNING m Always observe the following instructions Failure to do so may result in electrical shock or
48. format of replies to commands such as configuration and control commands that are not queries for information Some commands do not receive any reply When an error occurs the same error message that appears on the LCD ERRm where m is the error number is returned Queries Command The format for sending the command Return The format of replies to commands that are queries for information Mode Conditions 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 Sets or queries whether the current output function is set to Normal SOURCE or SIMULATE mode Command ASm lt CRLF gt gt Answer ASm lt CRLF gt O Command AS lt CRLF gt gt Return ASm lt CRLF gt Parameters m 0 SOURCE default 1 SIMULATE SINK This command returns ERR13 when the CA450 is in constant current output mode or current sweep output mode Sets or queries whether the backlight is on or off Normal Command BLm lt CRLF gt gt Answer BLm lt CRLF gt O Command BL lt CRLF gt gt Return BLm lt CRLF gt Parameters m 0 Off default 1 54 Sets queries whether the buzzer is on or off Command BZm lt CRLF gt gt Answer BZm lt CRLF gt Command BZ lt CRLF gt gt Return BZm lt CRLF gt
49. he CA450 can output DC current There are two output modes SOURCE mode Current is supplied from the CA450 SIMULATE mode SINK The CA450 sinks current from an external voltage source There are two configuration modes Constant current output The specified current is output continuously Current sweep output The output current is increased and decreased within the specified span N 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 N CAUTION In modes other than SIMULATE mode do not apply voltages to the output terminals Mistakenly applying voltage to the output terminals could damage the internal circuitry If the mark appears while you are using the current output function replace the batteries 33 44 1 Constant Current Output SOURCE mode 1 Turn the function switch to the 4 MA position After you turn the function switch OUTPUT appears on the screen and the output is set to 0 of the current span setting If you turn the function switch from the a A current sweep position to the 5 mA position the output value setting and SOURCE SIMULATE setting are retained 2 If SIMULATE is displayed press the SHIFT key
50. he CA450 is in any mode other than constant current output mode ERR13 is returned 71 O 6 4 List of Errors Number Description ERROO No errors ERR11 An undefined command has been received ERR12 The parameter specification for the command is incorrect ERR13 A command has been received that cannot be executed because of the status of the CA450 ERR16 An error was detected during calibration ERR20 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 error number 11 12 or 13 occurs during communication the error number appears in the LCD main display Ere When ERR13 appears in the main display 72 6 5 Communication Command Validity Table Output Measurement Current Sweep Output Cal Normal Constant SETUP Current Output Cal Normal Normal RELA Cal Command AS BL BZ CC CD CL CMF CP CS CSF CR CW DQ DI DW ESC C RS ESC 8 HC HD IM IO MC
51. in the previous step so that the DMM display value measured value is 3 0000 V 5 Press the Hz key to confirm the value 6 To end calibration turn the function switch off Table 3 Calibration Table Loop Power Calibration Point DMM Display Measured Value LOOP POWER 30 000 mADC 30 000 mA 3 0000 V 47 Connection Diagram Loop power Digital multimeter Calibration mode Load DMM 510 Q1 W c Jnnnn Subdisplay S H V mn Calibration 3 0000 30 Li Main display Measured value DC voltage and current generator LOOP POWER Sink function 5 2 Calibrating Output Gran Subdisplay OUTPUT 2 8 Fourth decimal place 190 0 Main display a Up to the third decimal place T am 1 STEP SPAN COARSE 89 Ce Y Second decimal place Fourth 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 mA 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 subdisplay 0 0000 mA appears The display in the subdisplay shows the value up to the fourth decimal place 48 4 Use STEP STEP V COARSE A and COARSE V to adjust the va
52. key only apply to the subdisplay measured voltages 28 4 3 10 Auto Hold Function The CA450 can automatically detect measured values and hold them according to the operation of the test leads 1 2 3 4 5 FUN Note During normal measurement press the HOLD key twice to select appears on the display Connect the test leads to the circuit under measurement When the measured value stabilizes the buzzer makes a beeping sound Remove the test leads from the circuit under measurement The measured value display is held down While is displayed you can repeat steps 2 through 4 as often as you want You cannot use this function during DCmV 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 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 voltage measurement DCV You can determine the peak value of a waveform 1 2 3 4 5 Set the function switch to V Connect the test leads to the circuit under measurement Press the HOLD key three times to select appears on the display and the voltage range is fixed The pe
53. l series resistor for HART communication on and off MA position Operation mode d and SLOW FAST switching 3 RANGE key Use this key to select the measurement range Fixed range Range Hold appears on the display The range increases each time you press RANGE AUTO range AUTO appears on the display To selectAUTO range hold down RANGE for 1 second or longer 4 HOLD key Use this key to hold the measured values Press HOLD to switch between data hold auto hold peak hold and no hold release Hold modes that are not supported for the selected measurement function are skipped Data hold The currently displayed measured values are held appears on the display Auto hold The measured values are automatically held according to the operation of the test leads appears on the display Peak hold The peak values are held appears on the display 5 LIGHT key Use this key to turn the backlight on and off Press the key once to turn it on Press it again to turn it off Use this key to control the sleep function During measurement or output Hold down LIGHT for 2 seconds or longer to put the CA450 in sleep mode While the CA450 is in sleep mode hold down the LIGHT key for 2 seconds or longer to clear sleep mode You cannot clear sleep mode immediately after the CA450 is put in sleep mode Wait at least 2 seconds after the CA450 is put in sleep mode before you clear it 6 RE
54. lt CRLF Command IM lt CRLF gt gt Return IMm lt CRLF Sets whether each of the bits in the status byte is detected or masked Querying is performed using the ESC S command See section 6 6 If you specify IMO all the bits are masked If you specify IM63 all the data bits reflect the current status Parameter to 63 1 080 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 Sets or queries whether the internal resistor for HART communication is on or off Command IOm lt CRLF gt gt Answer TOm lt CRLF gt Command IO lt CRLF gt gt Return TOm lt CRLF gt Parameters m 0 2500 resistor off default 1 250 resistor on If the CA450 is in any mode other than loop power measurement mode ERR13 is returned 61 Switches or queries the MIN MAX AVG function Command MCm lt CRLF gt gt Answer MCm lt CRLF gt Command MC lt CRLF gt gt Return MCm lt CRLF gt Parameters m 0 Measured value display default 1 value display 2 MIN value display 3 AVG value display If MIN MAX AVG recording is disabled ERR13 is returned Queries the measurement function Normal Command
55. lue that appears in the 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 A and STEP V to adjust the second decimal place values above the second decimal place are also affected and you can use COARSE A and COARSE V to adjust the fourth decimal place the third decimal place is also affected 5 After you have finished adjusting the value press the Hz key to confirm it 6 Start full scale calibration In the main display and the subdisplay 20 0000 mA appears The display in the subdisplay shows the value up to the fourth decimal place 7 Use STEP A STEP V COARSE A and COARSEV to adjust the value that appears in the 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 A and STEP V to adjust the second decimal place and you can use COARSE A and COARSE V 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 previous calibration data is overwritten 9 To stop calibration turn the function switch off 10 Perform steps 2 through 7 for the SOURCE and SIMULATE output modes AK Note You cannot calibrate current sweep output Even in calibration mode normal output is performed Keys other than SHIFT and SELECT cannot be u
56. m or less EMC standards EN61326 1 Class B EN61326 2 2 EN55011 Class B Group 1 Influence 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 Standard accessories Optional accessories Within 5 times the accuracy DC voltage measurement 6 V range or higher Within 5 times the accuracy AA size alkaline batteries 4 Test leads 98073 Lead cables 98064 1 set Fuses inside the CA450 440 mA 1000 V 99042 2 User s manual 1 Blank cover 1 Carrying case 93029 1 for carrying the CA450 the test leads and the lead cables Test leads 98073 Lead cables 98064 1 set Fuse 440 mA 1000 V 99042 1 Communication Package 92015 1 USB adapter USB cable and software 1 to SV Adapter set 99031 1 250 resistor terminal adapters and leads AC DC clamp on probe 96095 1 Clamp on probe for current 96001 1 12 3 2 Accuracy Standard test conditions 1 Ambient temperature 23 C 5 C 2 Relative humidity 45 to 75 RH no condensation 3 Orientation Horizontal or standing 4 External magnetic fields Terrestrial magnetic field only Each of the response times indicates the time it takes for the accuracy to fall within the specified range A
57. ments appear and then disappear release the key 4 After setting the current span turn the function switch to the OFF position or put the CA450 into sleep mode If the current span was set to 4 to 20 mA this operation changes 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 450 has an auto power off function that automatically switches itself to sleep mode 20 minutes after the last key operation The buzzer makes a beeping sound approximately 30 seconds before the CA450 enters sleep mode This period is referred to as the warning period f you press a key or switch during the warning period the time before auto power off is extended Youcan clear sleep mode by turning the function switch to the OFF position waiting 1 second or longer and then turning the switch to any position other than OFF You can also hold down the LIGHT key for 2 seconds or longer to clear sleep mode When the Auto Power Off Function Is Disabled 1 Turn the function switch to the OFF position or put the CA450 into sleep mode 2 While holding down HOLD turn the function switch to any position If the CA450 is in sleep mode hold down the HOLD and LIGHT keys for 2 seconds or longer The auto power off function is disabled and AUTO OFF
58. mode 4 6 1 Turning the Buzzer On and Off You can turn the buzzer beeping sound on and off Even if you turn the buzzer off it will sound when it is performing important functions such as those listed below Continuity check buzzer Excess input alarm buzzer Auto power off warning buzzer 40 1 Press the LIGHT or SHIFT key to display bEEP Turn the buzzer on and off in the subdisplay The initial setting is on on ON off OFF HOLD DEEP 1 2 Use the A RANGE and REL ae to select ON or OFF 3 Press the HOLD key to save the setting After SEt appears will appear again 4 return to normal measurement from setup mode hold down the LIGHT key for 1 second or longer 4 62 SENSOR Mode Input Display and Unit Settings For SENSOR mode mV position on the function switch you can set the input voltage and the corresponding main display and unit for that input voltage 1 Press the LIGHT or SHIFT key to display the screen shown below The parameter that can be changed blinks Subdisplay 4 Subdisplay 1 0 kd al Jes unit Mk QHz Main e 4 Um display 1 Main a place SENSOR 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 main unit You can press the SHIFT key to switch paramete
59. nd the range is held 3 Measure input the measured values The displayed values vary depending on the measurement function For DCmA measurement including loop power measurement Main display value Measured value reference value Subdisplay value Measured value reference value current span setting x 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 A to confirm the reference value is displayed and the range is held 3 Press REL A again appears 4 Measure input the measured values The displayed values vary depending on the measurement function For DCmA measurement including loop power measurement Main display value Measured value reference value current span setting 100 96 Subdisplay value Reference value e For measurement types other than DCmA Main display value Measured value reference value reference value x 100 96 Subdisplay value Reference value 31 4 3 13 MIN MAX AVG Function You can use this function to display the minimum MIN maximum MAX and average AVG values within the current measurement period In this display the range is fixed The
60. nt ventuellement s av rer mortelles r sultant de dangers tels que des chocs lectriques ou un pr judice au produit risquent de survenir Fils de test et c bles de d rivation Utilisez les produits fournis par Yokogawa pour ce dispositif N utilisez pas de fils de test ou de c bles de d rivation d grad s ou endommag s V rifiez la continuit des fils de test et des c bles de d rivation Lorsque vous fixez ou retirez les fils de test ou les c bles de d rivation ou que vous enlevez le boitier par exemple pour changer les batteries veillez retirer les fils de test et les c bles de d rivation du circuit en cours de mesure Lorsque vous enlevez le boitier par exemple pour changer les batteries veillez retirer les fils de test et les c bles de d rivation de l instrument Un chapeau est fourni sur le bout d un fil de test Utilisez un fil de test avec le chapeau plac dessus pour une bonne s curit normes de s curit EN 61010 031 Boitier e N utilisez pas l instrument s il y a un dommage quelconque au boitier ou quand le boitier est enlev Fusibles Utilisez les fusibles avec l valuation sp cifi e quand le fusible est remplac Environnement d op ration N utilisez pas l instrument l o un gaz ou de la vapeur atmosph re inflammable ou explosive quelconque est pr sente vitez d utiliser l instrument s il a t expos la plui
61. nt span appears in the subdisplay The default span is 0 to 100 mA 2 Use A RANGE and REL to select 0 to 100 mA 10 to 50 mA or 0 to 50 mA 3 Press the HOLD key to save the setting After appears SPAn will appear again 4 return to normal measurement from setup mode hold down the LIGHT key for 1 second or longer 42 4 64 Setting the Slow Step Time If you select slow step mode for current sweep output you can select the hold time in seconds of each step 1 2 3 4 Press the LIGHT or SHIFT key to display t Int 5 Use A RANGE and REL to select 15s 305 455 or 60s Press the HOLD key to save the setting After SEt appears t Int will appear again To return to normal measurement from setup mode hold down the LIGHT key for 1 second or longer 4 6 5 Returning the Settings to Their Factory Default Values You can reset all the items that you have changed set in setup mode to their factory default values 1 2 3 Press the LIGHT or SHIFT key to display the screen for initialization which shows dEF dE dont The settings return to their default values when you press the HOLD key After donE appears dEF will appear again To return to normal measurement from setup mode hold down the LIGHT key for 1 second or longer Initial Settings Default Values for the Setting Items
62. o 5 times a second however frequency measurement takes place once a second Operating temperature and humidity 20 C to 55 C 80 RH or less with no condensation Within the range of 40 C to 55 C the humidity must be 70 RH less Storage temperature and humidity 40 to 70 C 70 RH or less with no condensation Temperature coefficient typ In the ranges of 20 C to 18 C and 28 to 55 C Power supply Battery life add the accuracy of 23 C 5 C x 0 1 C Four AA size alkaline batteries 1 5 V LR6 When using alkaline batteries DC voltage measurement Approx 140 hours DC current output SIMULATE Approx 140 hours DC current output SOURCE 12 mA 500 Q load Approx 10 hours 11 Insulation resistance Withstand voltage External dimensions Weight Compliant standards Safety standards 100 or greater at 1000 VDC 6 88 kVAC for five seconds between the input terminals and the case Approx 90 x 192 49 D mm Approx 600 g including the batteries EN61010 1 and EN61010 031 Measurement Categories Vibration Shock Altitude 1000 V 600 V CATIV For current measurement and output 48 V max 100 mA max CAT I Lead cables 98064 70 VDC 100 mA CAT I Pollution degree 2 indoor use Sweep vibration frequencies 10 Hz to 55 Hz to 10 Hz Amplitude 0 15 mm peak value Duration 30 minutes 1 m drop test as defined by the safety standards 2000
63. rating Environment WARNING m Measurement Category of CA450 and Lead cables There are restrictions on the maximum voltage level at which the CA450 can be used These restrictions are based on the measurement categories specified by the safety standards AC DC 1000 V for AC DC 600 for The terminals for current measurement and output and the accessory lead cables 98064 fall under category I Do not use the above terminals and lead cables for measuring points that fall under measurement categories II III or IV Category of Test leads With Caps 1000V 10A 600 10A CAT IV Without Caps 1000V 10A CAT II 600V 10A Measurement Description Category For measurements performed on circuits not CANI directly connected to MAINS Circuits not connected to a mains power source For measurements performed on circuits CAT III directly connected to the low voltage installation Appliances portable equipment etc For measurements performed in the building installation Distribution board circuit breaker etc For measurements performed at the source of the low voltage installation Internal Wiring Distribution Board Cable Overhead wire cable systems etc FUN Note Radiation immunity affects electrical performance acc
64. rs in the opposite direction 2 Usethe RANGE and REL keys to set the various values the decimal place and the unit 3 Press the HOLD key to save the settings After 5 appears the setting screen will appear again 4 return to normal measurement from setup mode hold down the LIGHT key for 1 second or longer 41 Settings Subdisplay value 000 0 to 999 9 Main display value 0000 to 9999 Main display decimal place XX XX or XXX X Main display unit A mA uA C MQ kHz Hz nF Ix no unit V or mV Example For a current clamp sensor with an input to output ratio of 10 mV A Display set the subdisplay to 10 0 mV and set the main display value decimal 66 A place and unit to 01 00 A 1A Input 0 With these settings a maximum input of 660 0 mV will be displayed as 10 mV 660 mV 66 00 A 4 63 Current Span Setting for the 100 mA Range for DCmA Measurement When you select the 100 mA range in DCmA measurement mode mA you can change the current span 0 to 100 mA 10 to 50 mA or 0 to 50 mA Input Current Value Subdisplay for the 100 mA Range Main display 0 to 100 mA 10 to 50 mA 0 to 50 mA 110 00 mA 110 0 300 0 0 00 mA 0 0 25 0 10 00 mA 10 0 0 0 50 00 mA 50 0 100 0 100 00 mA 100 0 225 0 110 00 mA 110 0 250 0 220 0 1 Press the LIGHT or SHIFT key to display SPAn 0 60 IPAn GE The selected curre
65. sed Table 4 Calibration Table Output Calibration Point F ti t Directi Conditi Constant current SOURCE 1 0000 mA 20 0000 mA output SIMULATE 1 0000 mA 20 0000 mA 28 V external voltage Adjust at 596 of the range 49 Connection Diagram SOURCE SIMULATE Digital multimeter Digital multimeter DMM DMM Black DC voltage and current generator SOURCE SIMULATE SINK 5 3 What to Check after Calibration After you have finished calibrating 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 450 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 the calibration Refer to the calibration points 50 6 Communication You can configure the CA450 and check its settings measured values and other information from a PC Through the use of a communication adapter the CA450 can communicate 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
66. technicians calibrate the instrument using the proper equipment To connect the 450 to a signal generator reference device use the test leads and lead cables that come with the reference device Be sure to read the reference device s instruction manual before you calibrate the 450 When you switch measurement modes during calibration be sure to remove the test leads and lead cables first and then change the mode and terminal locations Calibration Conditions Reference device Use 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 Calibration mode AUTOOF RMS CAL angg V Subdisplay Calibration point 3 009 Main display pen Measured value Perform calibration according to table 1 1 While holding down the SELECT and RANGE keys turn the function switch from the OFF position to the ACV position The CA450 will start in calibration mode The CAL segment will be visible If the 450 is in sleep mode hold down the SELECT RANGE and LIGHT keys for 2 seconds or longer to start the CA450 in calibration mode 2 Use the test leads to connect the CA450 to the reference device 3 From the reference
67. the People s Republic of China The following are the provisions of Measures for Administration of the Pollution Control of Electronic Information Product of the People s Republic of China They are applicable only in the People s Republic of China BB E 7 EU BRE SR REX s Ho Cd Cr PBB PBDE raD o o PREIS ASSY SK 98073 98064 SSS RET SIT 11363 2006 RE OEM BER Valer tre RATS ABUL SI T1 1363 2006 FRERE NOIR SEP 98073 98064 2 YU ii 2006 2 H 28 ETS iis ee EE DR SJ T11364 2006 FER ius RAAIE 40 FRCS ET ESR EO Re Co ee ie ee A ERES ARRON HIET IAEE SPE 18 81 YOKOGAWA Yokogawa Meters amp Instruments Corporation Yokogawa Meters amp Instruments Corporation International Sales Dept Tachihi Bld No 2 6 1 3 Sakaecho Tachikawa shi Tokyo 190 8586 Japan Phone 81 42 534 1413 Facsimile 81 42 534 1426 YOKOGAWA CORPORATION OF AMERICA U S A Phone 1 800 888
68. uracy 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 3 Specifications 3 1 General Specifications Measurement functions Additional functions Output functions Additional functions Operation methods DC voltage AC voltage DC current resistance frequency continuity check diode test Data hold D H auto hold A H peak hold P H auto range Auto range hold Range Hold maximum minimum and average value recording and measurement zero adjustment Q relative measured value display RELA REL 24 V loop power supply internal resistor on off for HART communication 20 mA DC current for current output SOURCE and current output SIMULATE SINK Current span switching and current sweep output Measurement A modulation Output Multiplicative DA Display 5 digit LCD 7 segment Numeric display Measurement Output DC current 33000 DC current 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 Measurement cycle operating voltage 2 5 t
69. urrait engendrer des accidents susceptibles de provoquer des blessures qui peuvent ventuellement s av rer mortelles AN Attention Indique un danger Attire l attention sur une utilisation qui pourrait engendrer une blessure personnelle et ou tre pr judiciable au produit Remarque Indique les informations essentielles la manipulation de l instrument ou qui doivent tre prises en compte afin de vous familiariser avec les proc dures d utilisation et ou 1 es fonctions de l instrument Conseil Ce qui suit indique des informations suppl mentaires pour les explications Danger Manipuler avec soin Ce symbole indique que l op rateur doit se reporter une explicationdonn e par le manuel d instruction afin d viter tout accident susceptible de provoquer des blessures au personnel qui peuvent ventuellement s av rer mortelles ou de prot ger l appareil Ce sym Ce sym Ce sym Ce sym Ce sym Ce sym Ce sym iI 8 mo bole indique une double isolation ou une isolation renforc e bole indique une tension intensit C C bole indique une tension intensit C A bole indique le et le bole indique un fusible bole indique une batterie bole indique la masse terre N Avertissement m Les pr cautions suivantes doivent tre prises Dans le cas contraire des accidents susceptibles de provoquer des blessures qui peuve
70. w battery 4 Return the case to its original position and tighten the fastening screw Blank cover USB adapter attachment position Battery slots Screw position Back of the case With the case open 76 7 2 Replacing the Fuses During current range measurement the fuses may melt blow out because of excessive current If this happens replace the fuses WARNING To avoid electrical shock be sure to disconnect the CA450 from the circuit under measurement Remove the test leads and lead cables as well Turn the 450 off Do not measure while the case is open Doing so may lead to electric shock To avoid damaging the CA450 be sure to use the specified fuses Fuse specifications rating maker and model number 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 the fuses 5 Return the case to its original position and tighten the fastening screw F1 440 mA 1000 V F2 440 mA 1000 V Back of the case Screw ition With the case open

- Yokogawa

Contents

Download Pdf Manuals

Related Search

Related Contents