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Overview of the RS-232C Interface

IM 767361-01E

Overview of the RS-232 Interface

Connector and Signal Names

Pins 14–25 unused

Pins 8–13 unused

Pin 6

unused

RS-232 connector: DBSP-JB25S equivalent

The figure above shows the pin numbers on the RS-232 connector.

1 AA (GND: Protective Ground) : Grounded to the case of this instrument.
2 BA (TXD: Transmitted Data) : Data transmitted to a personal computer.

Signal

direction ........ Output

3 BB (RXD: Received Data)

: Data received from personal computer.

Signal

direction ........ Input

4 CA (RTS: Request to Send) : Signal used for handshaking when receiving

data from a personal computer.

Signal

direction ........ Output

5 CB (CTS: Clear to Send)

: Signal used for handshaking when

transmitting data to a personal computer.

Signal

direction ........ Input

7 AB (GND: Signal Ground)

: Ground for signals

Note

Pins 6, and 8 through 25 are unused.

Signal Direction

The figure below shows the direction of the signals used by the RS-232C

interface.

CA(RTS)

[transmission Request…Receive OK]

CB(CTS)

[transmission approved…preparation OK]

BA(TXD) [transmission data]

BB(RXD) [receive data]

MT200 Series

RS-232 Interface

Содержание MT210

Страница 1: ...IM 767361 01E 4th Edition Digital Manometer ...

Страница 2: ...asing YOKOGAWA products YOKOGAWA provides registered users with a variety of information and services Please allow us to serve you best by completing the product registration form accessible from our website http tmi yokogawa com PIM 103 04E ...

Страница 3: ...ithout prior notice as a result of improvements in the instrument s performance and functions Every effort has been made in the preparation of this manual to ensure the accuracy of its contents However should you have any questions or find any errors please contact your nearest YOKOGAWA representative as listed on the back cover of this manual Copying or reproducing any or all parts of the content...

Страница 4: ...strument the user must refer to an explanation in the user s manual or service manual Alternating current Direct current ON power In position of a bistable push control OFF power Out position of a bistable push control French À manipuler délicatement Toujours se reporter aux manuels d utilisation et d entretien Ce symbole a été apposé aux endroits dangereux de l instrument pour lesquels des consig...

Страница 5: ...connecting to the item under measurement or control unit Fuse To prevent fire be sure to use a fuse with the specified ratings current voltage and type Before replacing the fuse turn both the POWER switch and the MAIN POWER switch OFF and unplug the power cord Do not use any fuse other than the specified one Also do not short circuit the fuse holder Do Not Operate in an Explosive Atmosphere Do not...

Страница 6: ...de brancher le cordon d alimentation vérifier que la tension source correspond à la tension d alimentation nominale du cet instrument et qu elle est compatible avec la tension nominale maximale du cordon d alimentation Utiliser le cordon d alimentation et la fiche adaptés Pour éviter les risques de choc électrique ou d incendie utilisez le cordon d alimentation fourni par YOKOGAWA La fiche doit êt...

Страница 7: ...re en danger l utilisateur ou les instruments environnants Il est à noter que plus la pression est élevée plus le danger est important Ne pas mesurer des liquides inflammables toxiques ou corrosifs Une telle action peut s avérer dangereuse pour l utilisateur Limite de pression Appliquer une pression dépassant l entrée autorisée préconisée peut endommager l instrument En outre la pression appliquée...

Страница 8: ...e pressure 10 kPa includes DMM and 24 VDC output functions 767353 MT220 Gauge pressure 130 kPa includes DMM and 24 VDC output functions 767355 MT220 Gauge pressure 700 kPa includes DMM and 24 VDC output functions 767356 MT220 Gauge pressure 3000 kPa includes DMM and 24 VDC output functions 767357 MT220 Absolute pressure 130 kPa abs includes DMM and 24 VDC output functions 767361 MT210 Gauge pressu...

Страница 9: ...ries The following standard accessories are supplied with the instrument Make sure that all items are present and undamaged Power fuse 2 pieces a spare attached to the fuse holder A1113EF Current fuse 2 pieces a spare attached to the fuse holder A1341EF MT220 only Rubber feet 2 pieces A9088ZM UL CSA standard A1006WD VDE standard A1009WD BS standard A1054WD AS standard A1024WD D F R Q Power cord on...

Страница 10: ...ube B9984BW 1 For I O connection section code P2 Conversion connector JIS R1 4 Rc1 8 G9612BG 1 Conversion connector ANSI R1 4 1 4NPT female G9612BJ 1 Conversion connector G9612BW 1 ANSI R1 4 1 8NPT female Connector assembly for Rc for the Φ4 Φ6 vinyl tube For I O connection section code P1 B9984BY For I O connection section code P2 B9984BW Simple connector assebly B9310ZH Conversion connector JIS ...

Страница 11: ...to correct the interference Test conditions CHARGE START ON 24V DC ON LIGHT ON AC mode DC mode BATTERY PACK All other settings at factory default Cable conditions AC POWER Connector Connect the power cord A1009WD DC POWER SUPPLY connector Connect the DC power supply cable length 2 8 m OUTPUT connector Connect the DA output cable length 3 0 m DA OUTPUT connecto Connect the banana alligator cable 36...

Страница 12: ... Relative Display 32 Turning the Back Lighting ON OFF 33 Turning the ata Hold Function ON OFF 33 Trigger 33 D A Output DA Option 34 Comparator Function DA Option 36 Setting the Beep Sound 36 Keylock Function 36 Setting the Measurement Mode 37 Output Connector DA Option 38 Adjusting and Calibrating the Differential Pressure Transmitter using the MT220 Connecting the Differential Pressure Transmitte...

Страница 13: ...normality 62 Error Codes and Corrective Actions 62 Self Test Error When the Power is Turned ON 63 Calibrating the Pressure Measurement Function 64 Calibrating the DMM Function MT220 Only 64 Recommended Replacement Parts 66 Replacing the Fuse 66 Fuse Position and Replacement Method 67 Specifications Pressure Measurement Section 767351 767361 767381 767353 767363 767383 767355 767365 767385 68 Press...

Страница 14: ...g signal is input to the external input trigger There are three measurement modes normal medium speed high speeed on the MF210F In addition dynamic mode is availalble when the DA option is installed This mode provides high precision pressure measurements and high speed D A output at the same time The MT220 has a DMM function and a 24 VDC output function The DMM is controlled by the main CPU The in...

Страница 15: ...OFF using the POWER switch only It does not matter whether the MAIN POWER switch is ON or OFF When operating the instrument using the battery pack turn the power ON or OFF using the POWER switch only If commercial power is supplied to the instrument and the MAIN POWER switch is ON the batteries will be trickle charged In trickle charging the batteries are charged until natural discharge has been c...

Страница 16: ...ns Function GP IB or RS 232 Remote control and acquisition of measured data can be performed via the specified communications interface GP IB or RS 232 Data Hold Stops acquisition of data and puts the displayed data on hold Relative Display Pressure is displayed as relative values Averaging Function Turns ON OFF averaging for pressure data Response times differ as shown below depending on whether ...

Страница 17: ...e displayed in 4 1 2 digits A fuse is provided in each current terminal to protect against excessive current 24 VDC Power Supply Floating output The maximum output is 24 V 30 mA Input Display Pressure Displayed as a percentage relative to the specified full scale setting Current Voltage Displayed as a percentage with 1 to 5 V or 4 to 20 mA as 0 to 100 Error Display ERROR The difference between the...

Страница 18: ...NALS 42V PEAK MAX BETWEEN TERMINALS AND GND FUSE 250V T 100mA 24V OUTPUT 24mA 6V MAX MAX 30mA MAX HOLD TRIG INPUT A COM COM V POWER DISPLAY DMM 24V DC LIGHT COMP MEMORY DIGITS STORE RECALL DELETE No HI IN LO ENTER LOCAL MENU PARAMETER SET INPUT RANGE 10kPa 500kPa MAX MT220 Absolute Pressure Gauge Pressure Error AUTO 0 AUTO 100 1 2 3 4 5 6 7 8 9 10 11 12 15 16 17 18 Front Panel 1 LIGHT key Turns th...

Страница 19: ... on hold TRIG The trigger is activated once while the data is on hold 10 DMM keys DC5 V 20 mA Selects whether voltage or current is to be measured ON OFF Selects whether the DMM function is to be used or not 11 24 V output key Turns 24 V output ON and OFF 12 Pressure input port A pressure input port is also provided on the rear panel but it is not possible to use both ports at the same time 13 Pre...

Страница 20: ...AX 50 60Hz Do not operate without reading safety precaution in user s manual OUTPUT D A OUTPUT 6 25V MAX 2 4 5 7 1 6 3 Absolute Pressure and Gauge Pressure Models MT210 MT210F MT220 8 1 L H IEEE488 GPIB ON OFF INPUT MAIN POWER RANGE 10kPa 500kPa MAX WARNING DC POWER SUPPLY 10 15V DC 10VA MAX FUSE 250V T 3 15A 100 120 200 240V AC 45 65VA MAX 50 60Hz Do not operate without reading safety precaution ...

Страница 21: ...tion is installed A connector used for comparator output external trigger input both TTL level or D A output 6 D A output terminal only when the DA option is installed A connector used for D A output 7 Communications connector A GP IB or RS 232 used for connecting to a controller such as a PC with a communications cable 8 Pressure input port A pressure input port is also provided on the front pane...

Страница 22: ...self Always hold the plug and pull it If the power cord is damaged contact your dealer Refer to page 5 for the part number to reference when placing an order General Handling Precautions When moving the instrument disconnect the power cord and connecting cables Always carry the instrument by the handle located on the left side of the instrument Keep electrically charged objects away from the input...

Страница 23: ... higher If the instrument is moved allow it to acclimatize to its new environment for at least one hour before starting operation Never use the instrument in a place where it may be exposed to direct sunlight otherwise the temperature of the instrument will rise higher than the ambient temperature Never Use the Instrument in the Following Places Near heat sources Where an excessive amount of soot ...

Страница 24: ...outlet with a protective earth terminal Do not use an extension cord without protective earth ground The protective features of the instrument will be rendered ineffective French AVERTISSEMENT Avant de brancher le cordon d alimentation vérifier que la tension source correspond à la tension d alimentation nominale du DLM4000 et qu elle est compatible avec la tension nominale maximale du cordon d al...

Страница 25: ...f the external DC power connector is shown below Use a cord that matches the DC power to be used 1 3 2 Note Pins 1 and 2 are short circuited internally Power Rating Rated supply voltage range 10 to 15 VDC Permitted supply voltage range 9 to 16 5 VDC Maximum power consumption 10 VA MAX WARNING To prevent electric shock use a power supply not exceeding 60 VDC CAUTION Never short circuit the terminal...

Страница 26: ...the proper power is being supplied See page 18 Power Rating See page 39 Battery Pack Location of the Power Switches There are two power switches One is the MAIN POWER switch which is located on the rear panel The other is the POWER switch located at the lower left corner of the front panel For a description of the differences between these switches refer to page 9 Power Supply and Power Switch Tur...

Страница 27: ...eplaced immediately The batteries cannot be replaced by the user Contact your nearest YOKOGAWA representative as listed on the back cover of this manual Response and Display at Power ON The self test starts automatically when the POWER switch is turned ON The self test checks each memory location If the check results are satisfactory the opening messages will appear as shown on the following page ...

Страница 28: ...ower or the battery pack Power Switch ON When starting up with the GP IB and battery pack or using DC power Model Number Suffix Code Units of Pressure Communications Functions Ready for Measurement With the GP IB interface in addressable mode With the GP IB interface in talk only mode With the RS 232 interface in normal mode With the RS 232 interface in talk only mode ...

Страница 29: ...OI 4 Yes GP IB ON OFF OFF 7 No when using DC or battery power With RS 232 RS 232 mode Normal mode 4 Yes Handshake mode 0 4 Yes Format 0 4 Yes Baud rate 9600 4 Yes Delimiter 0 CR LF 4 Yes DA board D A output range 2V 5V 2V Yes Comparator output ON OFF OFF Yes Comparator lower limit 0 Yes Comparator upper limit Measuring range Yes D A board ON OFF OFF 7 No when using DC or battery power 1 Yes Backed...

Страница 30: ...f vacuum 2 After the reference pressure value has become stable hold down ZERO CAL for five seconds 3 Zero calibration is performed after the beep sounds for approximately one second However if the reference pressure value is 1 kPa higher or lower than the initial value factory setting zero calibration is not performed and error code 17 is displayed Refer to 54 for error code information Note Zero...

Страница 31: ...uge Up to 840 00 kPa 767356 2 7 kPa abs to4500 kPa gauge Up to 3600 00 kPa 767357 1 Pa abs to 500 kPa abs Up to 156 000 kPa abs 767361 2 7 kPa abs to 500 kPa gauge 12 0000 to 12 0000 kPa 767363 2 7 kPa abs to 500 kPa gauge 156 000 kPa or lower 767365 2 7 kPa abs to3000 kPa gauge 840 00 kPa or lower 767366 2 7 kPa abs to4500 kPa gauge 3600 00 kPa or lower 767367 1 Pa abs to 500 kPa abs 156 000 kPa ...

Страница 32: ...kPa ou moins 767367 1 Pa abs à 500 kPa abs 156 000 kPa abs or lower 767370 1 Pa abs à 50 kPa jauge 1 1 20000 à 1 20000 kPa 767371 2 7 kPa abs à 500 kPa jauge 12 0000 à 12 0000 kPa 767372 2 7 kPa abs à 500 kPa jauge 156 000 à 156 000 kPa 767373 2 7 kPa abs à 1000 kPa jauge 156 00 à 840 00 kPa 767381 2 7 kPa abs à 50 kPa jauge 12 0000 à 12 0000 kPa 767383 2 7 kPa abs à 500 kPa jauge 156 000 kPa ou m...

Страница 33: ...cluded with the unit near the input port The seal must state the nature of the fluid to be measured Connect the fluid tube properly so that no gas or liquid leakage occurs Switching the fluid to be measured from gas to liquid or vice versa may cause a measurement error It is recommended that use of the instrument be limited to either gas or liquid only Should the fluid to be measured be changed op...

Страница 34: ...490889E 1 inH20 3 386388 inHg 6 894757 psi Selecting the Number of Display Digits Measured pressure values can be displayed with the lowest digit masked This is useful when the lowest digit flickers and is difficult to read Pressing DIGITS causes the lowest digit to be masked and the display to show 4 1 2 digits Pressing DIGITS a second time unmasks the lowest digit and causes the display to show ...

Страница 35: ...the measured value as a percentage Data store recall Displaying ERROR as a percentage 1 Press the HOLD key HOLD is displayed as shown upper 2 To cancel data hold press the HOLD key again This causes HOLD to disappear from the screen Trigger When data hold is ON you can use the trigger function Pressure is measured one time after the trigger is activated The trigger can be activated in the followin...

Страница 36: ...000 ms 4 1 s 250 ms ON 2 6 s OFF 260 ms D A Output DA Option Converts pressure measurement results from digital to analog and outputs them When starting the instrument using DC power or the battery pack the D A output function is turned OFF Turn it ON before using the instrument Output range 2 V or 5 V D A conversion time 2 ms The relationship between pressure measurement values and the output vol...

Страница 37: ... press ENTER LOCAL Proceed to step 4 when using the AC power supply Proceed to step 3 when using the battery pack or DC power supply 3 Use the and to set the D A output function then press ENTER LOCAL Turns the function ON Turns the function OFF 4 Use the and to set the D A output range then press ENTER LOCAL Selects 2 V range Selects 5 V range 5 On the MT210F set dynamic mode using the and and pr...

Страница 38: ... and lower limits 4 Use the and to set the lower limit pressure value then press ENTER LOCAL 5 Use the and to set the upper limit pressure value then press ENTER LOCAL 6 To return to the normal measurement screen press MENU Note Set the reference value so that Hi Lo Setting the Beep Sound You can turn the beep and key clic sounds ON and OFF 1 Press MENU 2 Use the and to select then press ENTER LOC...

Страница 39: ...en press ENTER LOCAL 3 Use the and to set the measurement mode then press ENTER LOCAL Normal measurement mode Medium speed measurement mode High speed measurement mode If you specified normal mode proceed to step 4 If you specifiedmedium speed or high speed mode proceed to step 5 4 Use the and to set the pressure moving average and press ENTER LOCAL Enable pressure moving average Disable pressure ...

Страница 40: ...ands for No Connection Pin Number Signal Name Input Output Specification 1 EXT TRG Input Trigger rising edge pulse width 2 ms or more 2 BUSY Output Output upon change in comparator signal active H 3 NC 4 HI Output Comparator output active H 5 IN Output Comparator output active H 6 LO Output Comparator output active H 7 GND 8 D A OUT Output D A output 2 V or 5 V 9 D A GND D A ground connected to gr...

Страница 41: ...nstrument and injury to personnel may result DMM measurement terminal 18 Vpeak relative to ground CAUTION Do not apply an external voltage to the 24 VDC output connector Doing so may damage the instrument If the 24 VDC output terminals are short circuited or the load current exceeds the limit approx 40 mA OL is displayed and the output is turned OFF If the instrument is operated continuously from ...

Страница 42: ...charge pour la sortie de 24 VDC dépassant 20 mA la durée de vie des batteries diminuera rapidement N appliquez jamais aux bornes d entrée de la tension une tension dépassant le maximum autorisé Ceci pourrait endommager l instrument Tension d entrée maximum autorisée 30 VDC N appliquez jamais aux bornes d entrée de courant un courant dépassant le courant d entrée maximum autorisé Assurez vous que l...

Страница 43: ... displayed as a percentage 1 to 5 V or 4 to 20 mA being equivalent to 0 to 100 The display range for pressure and voltage current values is shown below Pressure 999 99 is displayed in the upper part of the screen if the value exceeds the specified number of display digits Current voltage 0 to 24 mA 0 to 6 V 25 to 125 is displayed at the lower part of the screen if the input exceeds this range Exam...

Страница 44: ...sure input to the differential pressure transmitter The ERROR value represents the value obtained by subtracting the input pressure value displayed as a percentage from the current voltage value displayed as a percentage The pressure values are shown under display and the DMM values are shown under ERROR display Example When 20 kPa is set as 0 and 100 kPa as 100 When the applied pressure is 40 kPa...

Страница 45: ...OCAL to proceed to the store mode setting screen 3 Press or to display then press ENTER LOCAL to select the mode 4 In the store rate setting screen use and to select the desired acquisition interval then press ENTER LOCAL 5 In the screen to set the number of data use and to set the number of data to be stored then press ENTER LOCAL 6 To return to the normal measurement screen press MENU Setting th...

Страница 46: ...uto store stops automatically when a memory number in which data already exists is reached If you want to store data in a memory in which data already exists delete the existing data first then store the new data All data stored in the internal memory will be backed up even if the power is turned OFF Data Recall Data stored in the internal memory can be recalled Specify the number of the data item...

Страница 47: ...the corresponding memory number and the other is used to delete all data at once 1 Press the DELETE 2 Press or to select partial delete or delete all data then press ENTER LOCAL 3 If is selected specify the delete start and stop memory numbers If is selected skip to step 4 Delete start memory Number setting screen Delete stop memory Number setting screen Use and to set both the start and stop memo...

Страница 48: ...es à l instrument assurez vous de mettre hors tension l interrupteur POWER à l avant du panneau puis l interrupteur MAIN POWER à l arrière du panneau et de retirer le cordon d alimentation de la prise secteur Lors du branchement du pack de batteries à l instrument utilisez uniquement les vis fournies avec le pack de batteries numéro de pièce Y9540LB L utilisation d autres vis est dangereuse car le...

Страница 49: ...king the Remaining Life of the Battery Pack When the instrument is operated from the battery pack it is possible to check the life remaining in the battery pack Hold down the BATTERY CHECK The red LED lights up and the remaining life of the battery pack is indicated as follows Two LEDs are lit Approximately 6 to 10 hours MT210 battery pack One LED is lit Approximately 3 to 6 hours MT210 battery pa...

Страница 50: ...entourant l unité libre de tout objet pour permettre l évacuation de la chaleur Si l interrupteur MAIN POWER est sous tension lorsque le pack de batteries est connecté à l instrument les batteries seront chargées lentement En charge lente les batteries sont chargées jusqu à ce que la décharge naturelle soit compensée Si vous avez l intention de ne pas utiliser l instrument pendant une longue pério...

Страница 51: ... the batteries be sure to turn OFF the POWER switch front panel then the MAIN POWER switch rear panel and remove the power cord from the AC outlet since there is the possibility of an accident or short circuit in the charging circuit Use only Ni Cd batteries manufactured by YOKOGAWA Model 269914 French AVERTISSEMENT Avant de remplacer le fusible assurez vous de mettre hors tension les interrupteur...

Страница 52: ...e next page Do not pull on the connector cable All three Ni Cd batteries must be replaced together 5 Plug in the connector all the way replace the blank connector cover then tighten the four screws When replacing the blank connector cover take care not to trap the connector cable Connector Screw Screw Ni Cd battery 3 Cover Note When disposing of the Ni Cd batteries follow the laws and ordinances o...

Страница 53: ...ear Remote mode can be cleared by pressing the ENTER LOCAL on the front panel However this is not possible if Local Lockout has been set by the controller Functional Specifications Function Subset Name Description Source handshaking SH1 Full source handshaking capability Acceptor handshaking AH1 Full acceptor handshaking capability Talker T5 Basic talker capability serial polling untalk on MLA My ...

Страница 54: ... To cancel remote mode press the ENTER LOCAL REMOTE will disappear from the screen indicating that the instrument is now in local mode However this is not possible if Local Lockout has been set Setting the Mode and Address The following operation modes are available for the GP IB interface provided with the instrument Setting the Mode Addressable Mode In this mode the instrument is controlled by c...

Страница 55: ...p pressing or until is displayed in the lower part of the screen then press ENTER LOCAL Proceed to step 2 when using the battery pack or DC power supply Proceed to step 3 when using the AC power supply 2 Use the and to set the GP IB function and press ENTER LOCAL Activates the function Deactivates the function 3 Press or to select addressable mode or talk only mode then confirm the selection by pr...

Страница 56: ... Synchronization Start stop system Baud Rate 1200 2400 4800 9600 Start bit 1 bit Data length word length 7 or 8 bits Parity EVEN ODD or OFF no parity Stop bit 1 or 2 bits Hardware handshaking User can select whether CA and CB signals will always be True or will be used for control Software handshaking User can select whether to control only transmission or both transmission and reception using X o...

Страница 57: ...a Data received from personal computer Signal direction Input 4 CA RTS Request to Send Signal used for handshaking when receiving data from a personal computer Signal direction Output 5 CB CTS Clear to Send Signal used for handshaking when transmitting data to a personal computer Signal direction Input 7 AB GND Signal Ground Ground for signals Note Pins 6 and 8 through 25 are unused Signal Directi...

Страница 58: ... 232 interface for transferring data between the instrument and a PC it is necessary to use certain mutually determined procedures to ensure the proper transfer of data The execution of these procedures is called handshaking There are many different handshaking methods corresponding to the different possible combinations of instruments and PCs so it s necessary choose the same handshaking method f...

Страница 59: ...he instrument s available buffer space reaches 64 bytes it transmits an X off code to the PC and when the buffer space reaches 192 bytes an X on code is sent CA RTS is fixed at True XON RTS Data Sending Control Software handshaking is carried out between the instrument and the PC If the instrument receives the X off code from the PC while the instrument is transmitting data the transmission is sto...

Страница 60: ...hen the free space in the buffer reaches 64 bytes Used 192 Bytes Free When this occurs the instrument waits until the free space in the buffer reaches 192 bytes and then resumes reception of data Used Regardless of whether handshaking is in use or not if the receive buffer becomes full the excess data will be lost Data Receiving Control Using Handshaking Setting the Data Format The RS 232 interfac...

Страница 61: ...00 4800 9600 Selecting Normal or Talk Only Mode The RS 232C interface for this instrument has two control modes normal mode and talk only mode Normal mode is equivalent to the addressable mode for the GP IB interface and enables reception of commands and transmission of data Measured or computed data is output on receipt of the OD command Talk only mode is equivalent to the talk only mode for the ...

Страница 62: ...d data format then press ENTER LOCAL RS 232 Specific Commands The following commands imitate the interface message function of the GP IB interface ESC S Terminator Equivalent to the GP IB s serial poll function The status byte is output when this command is received ESC R Terminator Equivalent to the GP IB s remote local control function The instrument is placed in remote status and the panel keys...

Страница 63: ...Settings Specify CR LF or EOI for the receive terminator The DL command is used to set the transmit terminator The default setting is CR LF For details see page App 5 Precautions when Programming A single line can contain multiple commands In this case make sure that command statements a command parameters are separated by a semicolon Note A space or tab between the command and parameter can be om...

Страница 64: ...command sent App 1 12 Parameter error Parameter value specified is outside allowed range Correct the value App 2 to App 11 14 Error in execution Attempted to execute a command not allowed during auto store or while in recall mode Make sure that the instrument is not in auto store or recall mode 36 37 App 2 to App 11 15 Error in Execution Attempted to execute a command not allowed in the instrument...

Страница 65: ... the screen Check whether the pressure percentage voltage and current values are all correctly displayed 34 35 Self Test Error When the Power is Turned ON No Type of Error Cause Corrective Action Page 60 Setting information backup error excluding communications settings Panel setting information other than communications settings were corrupted Initialize the settings 22 61 Communications settings...

Страница 66: ...rating the DMM Function MT220 Only Calibration in this section means an adjustment of accuracy based on the relationship between the values shown on the measuring instrument and those shown on the standards instrument Please note that it is up to the user to calibrate the DMM function as YOKOGAWA does not perform this service Pressure Standards for Calibration Digital multimeter DC voltage measuri...

Страница 67: ...operation 3 In the screen press or to display then press ENTER LOCAL to enter calibration mode Select to return to the normalmeasurement screen 4 Press or to select the calibration item current or voltage then press ENTER LOCAL With this operation the DMM measurement item changes automatically 5 Press or to select the calibration point then press ENTER LOCAL Set the calibration point in the order ...

Страница 68: ... for backlight B9320TN Approx 5000 hours under continuous use Lithium battery A1096EB Approx 5 years Replacing the Fuse WARNING To prevent fire only use a fuse of the specified rating Never use a fuse of any other rating and never short circuit the fuse holder to bypass the fuse Never operate the instrument if you have any reason to suspect any defect or problem with the fuse Before replacing the ...

Страница 69: ...board Service required Professional service is required Contact your nearest YOKOGAWA representative as listed on the back cover of this manual Fuse Position and Replacement Method Turn the fuse holder to the left and pull out the fuse holder Then replace with a new fuse Turn the fuse holder to the left and pull out the fuse holder Then replace with a new fuse Each current input terminal accommoda...

Страница 70: ...s or lower mode Medium speed 2 200 ms or lower 200 ms or lower 200 ms or lower measurement mode High speed 2 200 ms or lower 50 ms or lower 70 ms or lower measurement mode Resolution 0 0001 kPa 0 001 kPa 0 01 kPa Internal Capacity Approx 10 cm3 Approx 10 cm3 Approx 10 cm3 Input Tolerance 2 7 kPa abs to 500 kPa gauge 2 7 kPa abs to 500 kPa gauge 2 7 kPa abs to 3000 kPa gauge Up to 50 kPa gauge for ...

Страница 71: ... or lower 200 ms or lower measurement mode High speed 2 100 ms or lower 50 ms or lower measurement mode Resolution 0 01 kPa 0 001 kPa Input Tolerance 2 7 kPa abs to 4500 kPa gauge 1 Pa abs to 500 kPa gauge Internal Capacity Approx 10 cm3 Approx 10 cm3 Temperature Coefficient Zero drift 0 001 of FS C Zero drift 0 001 of FS C Sensitivity 0 001 of FS C Sensitivity 0 001 of FS C Effect of Inclination ...

Страница 72: ...OFF for the 767370 and ON for the 767371 Refer to Yokogawa s pressure standard 2 The difference between L and H is less than 50 kPa Pressure Measurement Section 767372 767373 Model Code 767372 767373 Pressure Type Differential pressure H input L input Differential pressure H input L input Measuring Range 0 to 130 kPa 0 to 700 kPa Accuracy guaranteed Maximum Display 156 000 to 156 000 kPa 156 00 to...

Страница 73: ...ted States DCV and DCA Measurement Section MT220 Only Measuring Range 0 to 5 V 0 to 20 mA Accuracy Guaranteed Range 0 to 5 25 V 0 to 21 mA Accuracy 1 30 days after calibration 0 01 of rdg 2 digits 90 days after calibration 0 03 of rdg 2 digits 6 months after calibration 0 05 of rdg 3 digits One year after calibration 0 07 of rdg 3 digits Display Range DCV 0 to 6 0000 V DCA 0 to 24 000 mA Maximum A...

Страница 74: ...dd 0 05 of FS to the pressure measurement accuracy Temperature influence 0 005 of FS C Output update rate Approx 2 ms Response time When dynamic mode is ON MT210F only Same as the specifications of the high speed measurement mode When dynamic mode is OFF Same as the specifications of the selected measurement mode Output resistance 0 1 Ω or less Load resistance 1 kΩ or more 1 0 7 of full scale for ...

Страница 75: ...ditions Charger Built in to the MT120 MT210F MT220 Charging time Approximately 12 hours Maximum power consumption Pressure measurement 25 VA max 100 VAC 40 VA max 200 VAC Charging 45 VA max 100 VAC 65 VA max 200 VAC When operated on DC power 10 VA max Insulation Resistance More than 20 MΩ at 500 VDC between AC power line and case Withstanding Voltage 1500 VAC for one minute at 50 60 Hz between AC ...

Страница 76: ...rance is 3 however tolerance is 0 3 mm when a dimension is below 10 mm MT220 Absolute Pressure Gauge Pressure DIGITAL MANOMETER PRESSURE ZERO CAL RELATIVE UNIT DC5V 20mA ON OFF ON OFF ALL TERMINALS 42V PEAK MAX BETWEEN TERMINALS AND GND FUSE 250V T 100mA 24V OUTPUT 24mA 6V MAX MAX 30mA MAX HOLD TRIG INPUT A COM COM V POWER DISPLAY DMM 24V DC LIGHT COMP MEMORY DIGITS STORE RECALL DELETE No HI IN LO...

Страница 77: ...T220 only DISm Selects display mode AL Sets 0 pressure automatically AH Sets 100 pressure automatically MLm n Sets 0 pressure manually MHm n Sets 100 pressure manually DMMn Sets DMM function ON or OFF DFm Selects current or voltage measurement VOm Sets 24 VDC output ON or OFF ST Selects manual store of measured data SOm Turns measurement data auto store ON or OFF SMm Selects the storage mode manua...

Страница 78: ...s the ON OFF for the beep sound setting 0 OFF 1 ON Communications Command List AG AG Turns the averaging function ON and OFF and queries the current setting Syntax AGm terminator m represents ON OFF for the averaging function For the MT210 MT210F 0 Averaging is OFF for pressure measurement 1 Averaging is ON for pressure measurement For the MT220 0 Pressure averaging OFF DMM averaging OFF 1 Pressur...

Страница 79: ...ation procedure refer to pages 57 and App 18 CAP CAP Sets the calibration points for the DC current 20 mA range and queries the current setting Syntax for setting CAPm terminator m represents the calibration point 0 After calibration the correction coefficient is calculated then the result is written to the EEPROM 1 0 mA 2 FS 20 0 mA 3 FS 20 mA Query CAP terminator Response Example CAP1 Descriptio...

Страница 80: ...r 21 occurs For the calibration value for calibration point 0 CVP1 set m to 0 For details regarding the calibration procedure refer to pages 57 and App 18 CVP CVP Sets the calibration points for the DC voltage 5 V range and queries the current setting Syntax CVPm terminator m represents the calibration point 0 After calibration the correction coefficient is calculated then the result is written to...

Страница 81: ...ot change in recall mode An error 14 occurs DIS DIS Sets display mode and queries the current setting Syntax DIS m terminator m represents the display mode 0 Normal measurement display 1 display 2 ERROR display possible only when the DMM function is ON Query DIS terminator Response Example DIS0 Description Cannot be changed while displaying the relative value An error 15 occurs DL DL Sets the comm...

Страница 82: ...inator interface message GET Description Only applicable when data is on hold An error 15 occurs H H Sets whether the header is added to the measurement data output via communications and queries the current setting Syntax Hm terminator m represents the header setting 0 OFF no header 1 ON header is added Query H terminator Response Example H1 HD HD Sets the data hold and queries the current settin...

Страница 83: ...r n is the same as that of the pressure measurement display see Specifications on page 60 This is the setting range when the units of pressure are kPa Query MLm terminator Response Example ML4 0 000 Description m in the query syntax also represents the unit of pressure as specified in the setting syntax MS MS Sets the measurement mode and queries the current setting Syntax MSm terminator m represe...

Страница 84: ...n PD PD Sets the number of display digits for the measured pressure value and the value to be displayed in and queries the current setting Syntax PDm terminator m represents the number of display digits 0 Measured pressure value in 5 1 2 digits value in 4 1 2 digits 1 Measured pressure value in 4 1 2 digits value in 3 1 2 digits Query PD terminator Response Example PD0 Description In the case of 7...

Страница 85: ...ent setting Syntax RELm terminator m represents the display setting 0 OFF 1 ON Query REL terminator Response Example REL0 Description When an overrange occurred in the measured pressure value and OL was displayed the relative display could not be turned ON An error 15 occurs The relative value cannot be displayed when in or ERROR display mode An error 15 occurs Cannot change in recall mode An erro...

Страница 86: ...Number of data items to be stored m 1 to 2000 Query SND terminator Response Example SND20 Description Cannot be changed during auto store An error 14 occurs SNO SNO Sets the store destination memory number queries the current setting Syntax SNO m terminator m represents the store destination memory Number m 1 to 9999 Query SNO terminator Response Example SN01 Description Cannot be changed during a...

Страница 87: ...not execute in recall mode An error 14 occurs SY SY Sets DMM calibration mode and normal measurement mode and queries the current setting Syntax SYm terminator m represents the system mode 0 Normal measurement mode 1 DMM calibration mode Query SY terminator Response Example SY0 Description DMM calibration mode cannot be set if the DMM function is OFF An error 16 occurs DMM calibration mode cannot ...

Страница 88: ...arameter error or execution error occurs The nature of the syntax error can be identified using the OE command Auto store END DIO 2 This bit is set to 1 when the measured or computed data has been stored in auto store mode Computation END DIO 1 This bit is set to 1 when computation has been completed and the display is updated Note After the status byte responds to the serial poll from the control...

Страница 89: ...corresponding bits set to 0 Data Output Format Output Format for Measurement and Computation Data Response to the OD Command Data Format Each data consists of a 4 byte header and 8 bytes of data You can specify whether a header is output using the H command Header Data Header Section The header section consists of four bytes h1 to h4 indicates a space h1 h2 h3 h4 h1 to h3 Data type h4 Data state K...

Страница 90: ...ere is no data is displayed h1 h2 h3 E 8 8 8 8 8 8 Data state on the DMM side when the DMM function is off h1 h2 h3 F 8 8 8 8 8 8 Output Format For the MT210 MT210F Pressure header Pressure data Terminator Output Examples KPAN 130 000 For the MT220 Pressure header Pressure data DMM header DMM data Terminator Output Examples Normal measurement KPAN 130 000 V N 04 0000 display PP N 0100 00 PV N 0075...

Страница 91: ...and For the MT210 MT210F 1st line Model software version number 2nd line Pressure setup information 3rd line Measurement condition 4th line Backlight and beep 5th line 1 D A output and comparator settings 6th line Output end 1 Line 5 is output only when the D A output option DA is installed Example of response MDL767313 REV1 01 REL0 PU4 PD0 HD0 AG1 BL0 BP1 DR0 CMP0 CMD0 000 130 000 END For the MT2...

Страница 92: ...ader present 170 PRINT IO DL0 Communications output delimiter CR LF EOI 180 190 FOR I 1 TO 10 read measured data ten times 200 INPUT WAIT 10 A wait random 210 PRINT IO OD measured data output request 220 LINE INPUT IO D read measured data 230 PRINT D display measured data 240 NEXT I 250 260 300 310 Program that reads data using trigger and serial poll GP IB 320 330 340 PRINT IO HD1 data hold 350 3...

Страница 93: ...0 360 PRINT 1 IM1 status byte mask 370 PRINT 1 CHR H1B S status byte initialization 380 LINE INPUT 1 B 390 400 FOR I 1 TO 10 read measured data ten times 410 PRINT 1 E activates trigger 420 PRINT 1 CHR H1B S read status byte 430 LINE INPUT 1 B 440 STB ASC LEFT B 1 450 IF STB AND H41 H41 THEN 420 check whether measurement has finished 460 PRINT 1 OD measured data output request 470 LINE INPUT 1 D r...

Страница 94: ...ibration point FS 420 PRINT Set standard equipment output to 5 V 430 INPUT Input the value output from the standard equipment K 440 PRINT IO CVD K INPUT WAIT 30 A set the calibration point value 450 GOSUB CHECKSYNTAX error check 460 LINE INPUT 1 D E MID D 5 8 read measured value 470 PRINT The current measured value is E V 480 PRINT OK Y N 490 Q INPUT 1 PRINT IF Q Y AND Q y THEN CAL3 500 CAL4 510 P...

Страница 95: ...rnal DC power supply 23 External dimensions 74 F Page Front panel 16 Fuse Position and Replacement Method 67 Fuse ratings 67 G Page GP IB interface Listener 51 Remote mode 52 Response to the serial poll App 12 Specifications 51 Status byte format App 12 Talker 51 Talk only function 53 H Page Handshaking 57 I Page Initializing settings 27 Input function 29 Input port 31 M Page MAIN POWER switch 13 ...

Страница 96: ...ing the units 32 Self test 25 Specifications 68 Standard accessories 7 Storing Data 43 SUFFIX 7 Suffix code 7 Supplying AC Power 22 Supplying DC Power 23 System Block Diagram 12 T Page Talk Only Mode 52 Terminator 61 Trigger 33 Turning the ata Hold Function ON OFF 33 Z Page ZERO CAL 28 Zero calibration 28 ...

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