Teac TD-240A Operation Manual Download

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1.FUNCTIONAL DESCRIPTIONS

1-2. Rear Panel

1-2-1. GUARD GROUND

This is a guard ground terminal block. Be sure to ground the guard ground terminal to

prevent electric shocks and failures due to static electricity.

（

The frame and the guard

ground terminal are conducted.

）

1-2-2. Frame Ground (Functional ground)

This is a F.G terminal of AC input.

（

The frame and the F.G terminal are conducted.

）

1-2-3. Options Slot

One option board can in stall in the option slot.

・

TD-2403

BCD Parallel data output

・

TD-2404

RS-232C Interface

・

TD-2407

D/A Converter

1-2-4. AC Power Input Terminal Board

Connect AC power code. The input voltage is 100V-240V AC.

The frequency is 50/60Hz.

1
2
3
4
5
6
7
8
9

12
13
14
15

AC IN

F.G.

SER. No.

MADE IN JAPAN

FRAME GROUND

SIGNAL

AC INPUT

OPTION SLOT

TERMINAL BOARD

INPUT/OUTPUT

GUARD GROUND

Summary of Contents for TD-240A

Page 1: ...TD 240A OPERATION MANUAL TEAC INSTRUMENTS CORPORATION Rev 1 35 2005 JUL ...

Page 2: ...e your kind purchase of TD 240A Digital Indicator To take full advantage of high performance of TD 240A Thoroughly read this operating manual first before use and understand the explanations contained herein for correct operating procedures ...

Page 3: ... surely follow divide into and and are indicated by the following documents Notes indicated here are the serious contents related safely Please use after understanding the contents well WARNING CAUTION WARNING Misuse may cause the risk of death or serious injury to persons CAUTION Misuse may cause the risk of injury to persons or damage to property ...

Page 4: ...for the sensor 10V is set when TD 240A is dispatched from us Do not disassemble the main body for modifications or repair Be sure to ground the protective ground terminal When smoke a nasty smell or strange sound please shut off a power supply immediately and extract a power supply cable Do not install in the following environments Placeｓ containing corrosive gas or flammable gas Where the product...

Page 5: ...minal block Use shielded cables for the connection of strain gauge type sensor displacement sensor External input and output or options Take adequate shielding measures when using at the following locations Near a power line Where a strong electric field or magnetic field is formed Where static electricity relay noise or the like is generated Do not install in the following environments Where the ...

Page 6: ...1 2 5 Signal Input Output Terminal Board 5 2 CONNECTION 7 2 1 Connecting to Cage Clamp Terminal Block 7 2 2 Connecting Strain Gauge Sensor 8 2 3 Connecting Power Input Terminal 9 2 4 Connecting SI F 10 2 5 Connecting High Low Limit Relays 11 2 6 Connecting Hold and Digital Zero Signals 12 2 7 Connecting Voltage Output VOL OUT 13 3 SETTING MODE CONFIGURATION 14 3 1 Selection of Setting Items 14 3 2...

Page 7: ...steresis 34 5 4 Digital Offset 37 5 5 Near Zero 38 5 6 Digital Filter 39 5 7 Analog Filter 40 5 8 Motion Detect 41 5 9 Zero Tracking 43 5 10 Hold Mode 45 5 11 Automatic Printing 46 5 12 Hold Value Printing 48 5 13 LOCK 49 5 14 Scale Division 50 5 15 Display Frequency 51 5 16 Excitation Voltage 52 6 HOLD FUNCTION 53 6 1 Peak Hold 53 6 2 Sample Hold Operation Digital Hold 56 7 DIGITAL ZERO FUNCTION ...

Page 8: ...d 64 9 1 2 Connector Pin Assignment 65 9 1 3 About Cables 65 9 2 Setting RS 232C Interface 66 9 3 Communication Mode 67 9 4 Communication Format 67 10 D A CONVERTER TD 2407 72 10 1 Obtaining Voltage Output Signal 73 10 2 Obtaining Current Output Signal 73 10 3 About Resolution 74 10 4 Setting D A Zero Full Scale 75 10 5 About D A Output Error 76 11 DC POWER SOURCE 77 12 OVERSCALE ERROR DISPLAYS 78...

Page 9: ...ion 81 13 3 TD 240A Block Diagram 83 14 DIMENSIONS 84 15 SPECIFICATIONS 85 15 1 Analog Section 85 15 2 Indicator Section 86 15 3 Setting Section 86 15 4 External Signals 86 15 5 Interface 86 15 6 Option 87 15 7 General Specifications 87 15 8 Accessories 88 16 CONFORMITY TO EC DIRECTIVES 89 ...

Page 10: ... on OK This LED turns on when the indicated value is smaller than the set value of the high limit and larger than the set value of the low limit low limit indicated value high limit LOW This LED turns on when the indicated value is smaller than the set value of the low limit indicated value low limit Operation of the low limit relay is on PEAK This LED is blinking when the Peak Hold function is ac...

Page 11: ...and operations Increments by one the numeric in the blinking digit of the setting item selection or set value Decrements by one the numeric in the blinking digit of the setting item selection or set value Enters the setting mode Setting mode F1 is indicated This key sets a decimal point in the span calibration Enters the actual load calibration mode Select the setting mode number and the blinking ...

Page 12: ...gain Forcibly resets the indicated value to zero digital zero function When the calibration LOCK is turned off the digital zero function is not activated using this key External DZ input is also disabled Cancels setting and returns to the indicated value display ENT HOLD ZERO ESC HOLD ESC setting in progress Indicated Value display ...

Page 13: ...is a F G terminal of AC input The frame and the F G terminal are conducted 1 2 3 Options Slot One option board can in stall in the option slot TD 2403 BCD Parallel data output TD 2404 RS 232C Interface TD 2407 D A Converter 1 2 4 AC Power Input Terminal Board Connect AC power code The input voltage is 100V 240V AC The frequency is 50 60Hz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 L N AC IN F G SER No MA...

Page 14: ...s no polarity and can connect up to three external devices Use parallel two core cables or captire cables 3 6 Output terminals of the high low limit relays 3 High limit relay N O 4 High limit COM 5 Low limit relay N O 6 Low limit COM Rating is 250V AC and 0 5A 㧿㧱㧾㧚㧺 10 11 12 13 14 15 SER N 1 11 12 13 14 15 2 3 4 5 6 7 8 9 10 SI F N O COM High limit relay Low limit relay Hold input COM DZ input Ana...

Page 15: ...tting digital zero signals Available in LOCK ON only 9 DZ input 8 COM 10 11 Terminal for output of a voltage proportional to the sensor input Output voltage is approx 2V per 1mV V sensor input 10 Voltage output 0 to Approx 6V 11 COM 12 15 Terminal for connecting a strain gauge sensor 12 EXC 13 SIG 14 EXC 15 SIG ...

Page 16: ...crewdriver into the upper hole and lift upward 4 Insert the twisted wires into the lower hole 5 Make sure cable is clamped securely and does not come out with a slight tug 0 2in Cable can be from 24 to 14AWG 0 2 to 2 5mm2 It is not necessary to solder the cable wires or to fix a solderless terminal If several cables to be inserted to the same hole twist those cable wires together and insert Reques...

Page 17: ...2 CONNECTION 8 2 2 Connecting Strain Gauge Sensor 4 wire sensor 6 wire sensor EXC EXC SIG SIG SHIELD IN OUT IN OUT 12 13 14 15 TD 240A EXC EXC SIG SIG SHIELD IN OUT IN OUT 12 13 14 15 TD 240A ...

Page 18: ... the back of the TD 240A and its negative side to the black screw side The input voltage is 12V 24V DC Before connecting cables to the terminal block put on climp style terminals M3 to the cables as shown in the figure so that the cables tips might not straggle Black White Green L N AC IN F G 6mm or less Red Black 緑 DC IN F G 6mm or less CAUTION Be aware that the voltage drops depending on the wir...

Page 19: ...l interface SI F for connecting printers and external display from TEAC This interface has no polarity and can connect up to three external devices Use parallel two core cables or captire cables Converter Display Printer SI F ２１ Inside Outside TD 240A ...

Page 20: ... as possible Connect a diode as near the load as possible Power Supply Power Supply N O COM ５６ Inside Outside TD 240A Low limit relay CAUTION Overvoltage and overcurrent may cause breakdown of the relay as well as shortening its life It is recommended to connect a spark killer etc to the connected load according to AC DC refer to the connection examples With a noise killer you can make the life o...

Page 21: ...ay switch Relay Contact Transistor 12V IN IN ON when IN is H TTL open 7 8 Outside TD 240A collect output Hold input Ic Approx 8mA COM Push switch 9 8 DZ input Connect 9 and 8 CAUTION Avoid applying external voltages to the signal Use external elements which withstands Ic 10mA Leakage current from external element must be 30μA or below ...

Page 22: ...cting Voltage Output VOL OUT Terminal for out put of a voltage proportional to the sensor input Output voltage is approx 2V per 1mV V sensor input 10 External device Load resistance 2kΩor above SIG GND Inside Outside 11 TD 240A ...

Page 23: ...is Digital Near Zero Digital Filter Analog Filter Motion Detect Motion Detect Zero Tracking Zero Tracking Hold Mode Automatic Printing Hold Value Printing Offset Setting Mode 2 UP DOWN DOWN UP DOWN UP UP DOWN SEL SEL High LowLlimit band time time band Comparison Mode P 31 P 31 P 34 P 37 P 38 P 39 P 40 P 41 P 41 P 43 P 43 P 45 P 46 P 48 P 33 ...

Page 24: ...5 LOCK Scale Display BCD Data Update Rate RS 232C D A Full Scale Setting Mode3 Setting Mode4 UP DOWN Excitation UP DOWN DOWN UP DOWN UP SEL D A Zero Setting Setting Frequency Division Voltage P 49 P 50 P 51 P 52 P 62 P 66 P 75 P 75 ...

Page 25: ...4 Motion Detect band 5 Zero Tracking time 6 Zero Tracking band 7 Hold Mode 8 Automatic Printing 9 Hold value Printing Blnking OFF HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW ...

Page 26: ...etting 3 3 List of Values Setting Mode1 HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK HI OK LOW HOLD PEAK Item Default Set Value LOCK Calibration LOCK 1 High Limit 075 00 2 Low Limit 025 00 3 High Low Limit Comparison Mode 0 4 Hysteresis 00 00 5 Digital Offset 000 00 6 Near Zero 001 00 ...

Page 27: ...1 5 4 Motion Detect band 05 5 Zero Tracking time 0 0 6 Zero Tracking band 00 7 Hold Mode 0 8 Automatic Printing 1 9 Hold Value Printing 0 Item Default Set Value LOCK Calibration LOCK 1 LOCK 0000 2 Scale Division 0 01 3 Display Frequency 3 4 Excitation Voltage 1 Item Default Set Value LOCK Calibration LOCK 1 BCD Data Update Rate 0 2 RS 232C 13010 3 D A Zero Setting 000 00 4 D A Full Scale Setting 1...

Page 28: ... high low limit and digital offset D A zero setting full scale setting press key SHIFT CAL Set Value is validated Setting Mode is terminated to return to F1 of setting Mode1 is displayed is displayed is displayed is displayed Select a setting item Select a setting item Select a setting item to prompt setting the indicated value display If one minute has elapsed after key is pressed without any key...

Page 29: ...be applied For example Gain will be automatically decided by registering the values indicated as follows for load 2 001mV V 100 0kgf for pressure 2 002mV V 10 00kgf cm2 and for torque 2 502mV V 15 00kgf m TD 240A Strain gauge sensor Rated output value mV V Indicated value A data sheet will be attached to a strain gauge sensor you buy On the data seat the following values are listed Capacity Load u...

Page 30: ...input calibration uses the following procedure Release the Calibration LOCK that inhibits calibration Set the minimum value of the digital change desired omissible if no desired value is present Set the rated output vale and zero point of the strain gauge sensor Set the calibration of ON to prevent misoperation TD 240A Strain gauge sensor Indicated value Actual load Releasing Calibration LOCK Sett...

Page 31: ...ode 3 2 Select calibration lock Use and key to set the calibration lock of OFF 0 then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT SEL UP DOWN ENT ESC Releasing Calibration LOCK Calibration LOCK 1 ON 0 OFF ...

Page 32: ... Select setting mode 3 2 Set the scale division Use and keys to set the scale division then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT Press twice UP DOWN SEL ENT ESC Setting of Scale Division Scale Division 001 to 100 ...

Page 33: ...t the rated value Use and keys to set the rated value then use key to validate the setting Press key at a blinking digit to place a decimal point immediately after the digit 4 Place the sensor without load and set the zero point Check that the sensor is unloaded then press and keys in this order If the indicated value following the display CAL2E is zero the equivalent input calibration is terminat...

Page 34: ...ode 3 2 Select calibration lock 3 Use and key to set the calibration lock of ON 1 then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT SEL UP DOWN ENT ESC Calibration LOCK 1 ON 0 OFF CalibrationLOCK ...

Page 35: ...tion Set the minimum value of the digital change desired omissible if no desired value is present Set the zero point of the strain gauge sensor Set the span gain point of the strain gage sensor Set the calibration of ON to prevent misoperation Releasing Calibration LOCK Setting of Scale Division Zero Calibration Actual Load Calibration Calibration LOCK ...

Page 36: ...ode 3 2 Select calibration lock Use and key to set the calibration lock of OFF 0 then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT SEL UP DOWN ENT ESC Calibration LOCK 1 ON 0 OFF Releasing Calibration LOCK ...

Page 37: ... then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT Press twice UP DOWN SEL ENT ESC Setting of Scale Division Scale Division 001to 100 1 Check that the sensor is unloaded then press keys in this order If the indicated value following the display CAL2E is zero the zero calibration is terminated ENT and ZERO Zero Calibration ...

Page 38: ...d Output of the strain gauge sensor is on the minus side Check to see if the SIG and SIG wiring if the sensor is reversed On completion of calibration turn on the calibration LOCK 1 Apply an actual load to the sensor and set the actual load value Use and keys to set the actual load value then key to validate the setting To move the decimal point press key at a blinking digit If the indicated value...

Page 39: ...de 3 2 Select calibration lock 3 Use and key to set the calibration lock of ON 1 then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT SEL UP DOWN ENT ESC Calibration LOCK 1 ON 0 OFF Calibration LOCK ...

Page 40: ...ereby the high output is turned on when the indicated value exceeds the high low output is turned on when it drops below the low limit HIGH LOW output conditions HIGH Indicated value High limit value LOW Indicated value Low limit value Time Indicated value High limit value Low limit value HIGH LOW OFF ON OFF ON ...

Page 41: ...ate the setting 3 Select low limit value Use and key to set the low limit value Press key to place a minus sign Press key to validate the setting To return to the indicated value display press key FNC DOWN ENT UP DOWN SEL SHIFT CAL ENT DOWN ENT UP DOWN SEL SHIFT CAL ENT ESC Setting of High Low Limit Value High Limit Value 00000 to 19999 Low Limit Value 00000 to 19999 ...

Page 42: ...hree times ENT UP DOWN ENT ESC High Low Limit Comparator Mode High Low Limit 3 Comparison is made at stable 2 Comparison is always made 1 Comparison is made in the 0 Comparison is always made Comparator Mode status except for near zero except for near zero stabl status Except for Mode 0 Comparison is always made of the High Low Limit Comparator Mode setting is closely related to Near Zero and Moti...

Page 43: ...he comparator is turned off when the indicated value is below the high limit value by the hysteresis setting This is effective in preventing chattering caused when signals are slightly varying vibrating Comparison conditions High limit ON conditions Indicated value High limit value OFF conditions Indicated value High limit value Hysteresis set value Low limit ON conditions Indicated value Low limi...

Page 44: ...operation High limit Low limit 0 Hysteresis range Time High limit relay HI LED Low limit relay LO LED OK LED Relay ON LED ON Relay OFF LED OFF Relay ON LED ON Relay ON LED ON Relay OFF LED OFF Relay OFF LED OFF Indicated value value value ...

Page 45: ...se and keys to set the hysteresis range then use key to validate the setting To return to the indicated value display press key FNC DOWN Press four times ENT UP DOWN SEL ENT ESC Setting of Hysteresis Hysteresis 0000 to 9999 Hysteresis setting is the same for high low limit ...

Page 46: ...o by unloading the equipment for some reason or when you want to give offset Indicated value to be displayed Actual indicated value Digital offset setting value 1 Select setting mode 1 2 Select digital offset Input an digital offset setting value with and keys and validate it with key Press key to put minus sign To return to the indicated value display press key FNC DOWN Press five times ENT UP DO...

Page 47: ...For details see High and Low Limit Comparator Mode on page 33 and Automatic Printing on page 46 1 Select setting mode 1 2 Select near zero Use and keys to set the near zero then use key to validate the setting To return to the indicated value display press key FNC DOWN Press six times ENT UP DOWN SEL ENT ESC Setting of Near Zero Near Zero 00000 to 19999 The Near Zero function operates at an absolu...

Page 48: ...d values The moving average count can be selected from 4 to 64 1 Select setting mode 2 2 Select digital filter Use and keys to set the digtal filter then use key to validate the setting To return to the indicated value display press key FNC SEL DOWN ENT UP DOWN ENT ESC Setting of Digital Filter 5 64 times 4 32 times 3 16 times 2 8 times 1 4 times 0 OFF Digital Filter ...

Page 49: ...pass filter cutout freguency is selectable in the 4 10 100 3k Hz 1 Select setting mode 2 2 Select analog filter Use and keys to set the analog filter then use key to validate the setting To return to the indicated value display press key FNC SEL DOWN Press twice ENT UP DOWN ENT ESC Setting of Analog Filter 3 3kHz 2 100Hz 1 10Hz 0 4Hz Analog Filter ...

Page 50: ...before fall within the specified range and the status last for a specified time indicated values are assumed stable Set 100mSec Time Set period Indicated value range Whether the indicated value is stable or not is closely related to Automatic Printing and High and Low Limit Comparator Mode For details see High and Low Limit Comparator Mode on page 33 and Automatic Printing on page 46 ...

Page 51: ...idate the setting 3 Select motion detect range Use and keys to set the motion detect range then use key to validate the setting To return to the indicated value display press key FNC SEL DOWN Press three times ENT UP DOWN SEL ENT UP DOWN SEL ENT ESC Setting of Motion Detect Motion Detect time Motion Detect range 00 to 99division 0 0 to 9 9s ...

Page 52: ...king Time Use and keys to set the zero tracking time then use key to validate the setting 3 Select zero tracking range Use and keys to set the zero tracking range then use key to validate the setting To return to the indicated value display press key FNC SEL DOWN Press five times ENT UP DOWN SEL ENT DOWN ENT UP DOWN SEL ENT ESC Setting of Zero Tracking Zero Tracking Time Zero Tracking range 0 0 to...

Page 53: ...ndicated value 02 corresponds to 0 5 scales and 12 3 scales If the time is set to 0 0 sec and range to 00 the Zero Tracking function does not work Boundary of zero track BAND COUNT the minimum digital scale 2 Indicated Value DELAY COUNT COUNT BAND 0 DELAY From the point when it returned within the range counting will be resumed The Zero Tracking works from where the indicated value is zero It does...

Page 54: ... signal and the Sample Hold function to hold and display an optional point 1 Select setting mode 2 2 Select hold mode Use and keys to set the hold mode then use key to validate the setting To return to the indicated value display press key FNC SEL DOWN Press seven times ENT UP DOWN ENT ESC Setting of Hold Mode 1 Peak Hold 0 Sample Hold Hold Mode ...

Page 55: ...abilization is set in the Motion Detect function The stabilized indicated value can be held for three seconds indicated value hold function Operation of the indicated value hold function Indicated Near zero 0 Stable Near zero ON ON ON ON OFF OFF OFF Automatic printing Hold 3 seconds Time ON Hold function Indicated value SI F Output signal HI LOW value If the state of Near Zero ON is not keeping fo...

Page 56: ...de 2 2 Select automatic printing Use and keys to set the automatic printing then use key to validate the setting To return to the indicated value display press key FNC SEL DOWN Press eight times ENT UP DOWN ENT ESC Setting of Automatic Printing 2 Automatic printing ON 1 Automatic printing ON Automatic printing 0 Automatic printing OFF Indicated value HOLD ...

Page 57: ...e 2 2 Select hold value printing Use and keys to set the hold value printing then use key to validate the setting To return to the indicated value display press key FNC SEL DOWN Press nine times ENT UP DOWN ENT ESC 1 Hold value printed when Hold 0 No printing Setting of Hold Value Printing Hold Value Printing is canceled If setting Hold Value Printing when the hold value canceled Automatic Printin...

Page 58: ... ENT UP DOWN SEL ENT ESC Setting of LOCK 1 LOCK 0 LOCK released Setting Value LOCK 1 LOCK 0 LOCK released Calbration LOCK Zero key operation 1 Invalid 0 Valid Hold key 1 Invalid 0 Valid operation For setting items locked by using set value LOCK and calibration value LOCK see the set value list on page 17 The Digital Zero function by using the key on the front panel is not effective when the Settin...

Page 59: ...igital change 1 Select setting mode 3 2 Select scale division Use and key to set the scale division then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT Press twice UP DOWN SEL ENT ESC Setting of Scale Division Scale Division 001 to 100 ...

Page 60: ...D conversion count is fixed to 100 per second 1 Select setting mode 3 2 Select display frequency Use and keys to set the display frequency then use key to validate the setting To return to the indicated value display press key FNC SEL SEL DOWN ENT Press three times UP DOWN ENT ESC Setting of Display Count 3 25 sec 2 13 sec Display Frequency 1 6 sec 0 3 sec ...

Page 61: ...h key To return to the indicated value display press key FNC SEL SEL ENT Press four times DOWN UP DOWN ENT ESC Setting Excitation Voltage Excitation Voltage 1 10 V 0 2 5V CAUTION Use a strain gauge sensor to be connected to the TD 240A whose maximum excitation voltage is above the bridge excitation voltage specified If the bridge excitation voltage is greater than the maximum excitation voltage of...

Page 62: ... FUNCTION 53 6 HOLD FUNCTION 6 1 Peak Hold Peak Hold Operation LED lighting Key input HOLD LED HOLD Peak hold start Peak hold reset Time Indicated value Sensor input value Peak hold section Peak hold release ...

Page 63: ...6HOLD FUNCTION 54 LED lighting Hold input HOLD LED Time Indicated value Sensor input value Peak hold section Peak hold release Peak hold start Peak hold reset ...

Page 64: ... A D conversion of the analog value t3 Time from the input of the hold input ON OFF to the reset of the analog peak hold value t4 The minimum tracking resetting time required for resetting the display of the held value Time t1 t2 t3 t4 Hold input Display and BCD output t1 MAX 25mS t2 MAX 10mS t3 MAX 25mS t4 MIN 25mS Indicated value Sensor input ...

Page 65: ...le Hold Operation Digital Hold Sample Hold Operation Hold section LED lighting Key input HOLD HOLD LED Hold section LED lighting HOLD LED Hold input Indicated value Sensor input value Time Time Indicated value Sensor input value ...

Page 66: ...he hold to the A D conversion of the hold value t3 Time from the input of the hold input ON OFF to the reset of the analog hold t4 The minimum tracking resetting time required for resetting the display of the held value Hold input t1 t2 t4 t3 Time t1 MAX 25mS t2 MAX 25mS t3 MAX 25mS t4 MIN 25mS Display and BCD output Indicated value Sensor input ...

Page 67: ...y operation 1 Perform digital zero 2 When the indicated value becomes zero digital zero is completed ZERO Setting of Digital Zero Digital zero will not work when the calibration value LOCK is turned off It only works when the calibration value LOCK is turned on If you turn off the power digital zero will be reset ...

Page 68: ...isolated 8 1 Connector Pin Assignment Amphenol Connector 36 Pin Compatible connector is DDK57 30360 or equivalent No Signal No Signal 1 COM 19 COM 2 Out 1 20 3 Out 2 21 4 Out 4 22 Out Near Zero 5 Out 8 23 Out Minus polarity 6 Out 10 24 Out OVER 7 Out 20 25 Out P C stable 8 Out 40 26 Out STROBE 9 Out 80 27 In BCD Data hold 10 Out 100 28 In Logic Switching 11 Out 200 29 12 Out 400 30 13 Out 800 31 1...

Page 69: ...t open the negative logic is used When COM and pin 28 are short circuited the positive logic is used 8 3 Equivalent Circuit Output The signal output circuit employs the TTL open collector output TD 240A Inside Vcc 5V COM Vext Vceo 30V max Ic 50mA max Internal transistor status Output data Negative Positive 0 OFF ON 1 ON OFF Output pin level Output data Negative Positive 0 ＨＬ 1 ＬＨ Through logic s...

Page 70: ...ox 6mA COM Switch Transistor 5V TTL open collector output Open OFF Short ON Outside 注意 Avoid applying external voltages to the signal input circuit Use external elements which withstands Ic 10mA or above Leakage current from external element must be 30μA or below 注意 Avoid applying external voltages to the signal input circuit Use external elements which withstands Ic 10mA or above Leakage curren...

Page 71: ...a 8 5 BCD Data Update Rate Selection BCD data OVER strobe range STROBE 0 1 1 Select setting mode 4 2 Set the update rate of BCD parallel data output FNC SEL DOWN ENT BCD Data Update Rate Selection 6 1 times sec Approx 500msec 5 2 times sec 250msec 4 5 times sec 100msec 3 10 times sec 50msec 2 20 times sec 25msec 1 50 times sec 10msec 0 100 times sec STROBE Range 5msec BCD Update Rate ...

Page 72: ...PUT TD 2403 63 Normaly BCD data update synchronous the A D conversion 100 times sec When the BCD input equipment is low ability and can not read out the high rate of 100 times sec set the BCD data update rate is low ...

Page 73: ...ocessing such as control aggregation recording and so on 9 1 Communication Specifications 9 1 1 Standard Signal level Based on RS 232C Transmitting distance Approx 15m Transmitting method Asynchronous Full duplex Transmitting speed 1200 2400 4800 or 9600bps selectable Bit configuration Start bit 1 Character length 7 or 8 bit selectable Stop bit 1or 2 bit Selectable Parity none odd or even selectab...

Page 74: ...evice connect pin to pin DTR to DTR DSR to DSR etc Cables should be prepared after checking connector type and pin assignments of the connected device Adaptable plug 25 pin D sub connector 1 FG 14 2 out TxD 15 3 in RxD 16 4 out RTS 17 5 in CTS 18 6 19 7 SG 20 out DTR 8 21 9 22 10 23 11 24 12 25 13 1 2 3 4 5 8 6 20 7 FG TｘD RｘD RTS CTS CD DSR DTR SG 1 2 3 4 5 8 6 20 7 FG TｘD RｘD RTS CTS CD DSR DTR ...

Page 75: ...indicated value display press key FNC SEL Press three times DOWN ENT Press twice UP DOWN SEL ENT ESC Setting of RS 232C Communication 2 Communication Mode 2 transmits when printed 1 Communication Mode 1 transmits continuously 0 Communication Mode 0 performs communication Stop Bit 1 2bit 0 1bit Parity Bit 2 Even number 1 Odd number 0 None Character Length 1 8bit 0 7bit Baud Rate 3 9600bps 2 4800bps...

Page 76: ...us 3 Communication Mode 2 This mode transmits the indicated values when they are printed 9 4 Communication Format 1 Communication Mode 0 Reading Out the Indicated Value the sign indicated value with 5 digits and decimal point Reading Out the Status seven digits Host TD 240A R A CR R A CR LF 1 0 0 0 0 Host TD 240A R D CR R D CR LF 0 0 0 0 0 0 0 1 ON 0 OFF 1 ON 0 OFF Near zero output signal 1 ON HI ...

Page 77: ... 1 W 0 0 0 0 0 CR LF 2 1 W 0 0 0 0 0 CR LF 3 1 W 0 0 0 0 CR LF 4 1 W 0 0 0 0 CR LF 5 1 W 0 0 0 0 CR LF 6 1 W 0 0 0 0 CR LF 7 1 W 0 0 0 0 0 CR LF 9 1 W 0 0 0 0 0 CR LF 8 1 W 0 0 0 0 0 Set value Set value Set value Set value Set value Set value Set value Set value Set value Set value Set value Set value Set value Set value Set value 0 In signed setting this will be recognized This will be recognized...

Page 78: ...bration Sign bit Max 5digits Do not put other than zero into a place which is set zero 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Set value No 0 In signed setting this will be recognized This will be recognized as minus as plus LOCK calibration LOCK calibration LOCK calibration LOCK calibration LOCK calibration LOCK calibration LOCK calibration LOCK calibration LOCK It is impossible to write Ｗ２４ and Ｗ３４ ...

Page 79: ...printed CR CR CR CR CR ＣＣＣＣＣＥＦＧＨＩ This is effective only when the calibration This will issue print a command value LOCK is 1 This is effective only when the calibration value LOCK is 1 onto SIF 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 G S 1 2 3 4 CR LF HEADER Five digits of the indicated Sign or value and decimal point 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 G S 1 2 3 ...

Page 80: ... LOAD OFL S Stable M Not Stable H Hold 1 Priority H O Ｓ or Ｍ 2 A Zero Tracking OFF T Zero Tracking ON 3 H High Limit ON L Low Limit ON G High Low Limit OFF N High Low Limit ON F Compare OFF 3 Priority N H or L F G 4 N Zero Near OFF Z Zero Near ON ...

Page 81: ...setting functions you can obtain from zero 0V 4mA to full scale 10V 20mA of analog output The output circuit and the main circuit are isolated The resolution is 1 3000 for the voltage from 0 to 10V and the conversion rate is 100 times per a second The output has an overrange of about 10 FS These are terminals to obtain voltage or current signal of the voltage current output terminal is for signal ...

Page 82: ...with load resistance of 2KΩ or more 10 2 Obtaining Current Output Signal Use and terminals of TD 240A connecting to them an external equipment with load resistance of 350Ω or less External equipment Load resistance 2KΩ or more SIG GND Inside Outside TD 240A External equipment Load resistance 350Ω or less SIG GND Inside Outside TD 240A ...

Page 83: ...the resolution of 1 3000 for 0 to 10V 4 to 20mA CAUTION The D A converter is an option Do not apply voltage externally If you do it will break down Do not short circuit the voltage output Short circuiting may cause failure Connecting a capacity load might cause oscillation ...

Page 84: ...y to put minus sign When you have made setting validate it with key 3 Set D A full scale Set D A full scale with and keys Press key to put minus sign When you have made setting validate it with key FNC SEL Press three times DOWN ENT Press three times UP DOWN SEL SHIFT CAL ENT DOWN ENT Press one times UP DOWN SEL SHIFT CAL ENT Setting D A Zero Full Scale D A Zero Value 00000 to 19999 ...

Page 85: ...s provided D A output is less than the range of output For current output 4mA 25 or less about 0mA or less For voltage output 0V 25 or less about 2 5V or less The D A output exceeds the range of the output For current output 20mA 25 or more about 24mA or more For voltage output 10V 25 or more about 12 5V or more ...

Page 86: ...240A and its negative side to the black screw side Input voltage range voltage between terminals of the F340A DC12 24V 15 Power consumption 15W max Red Black ＤＣＩＮ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DC IN F G SER No MADE IN JAPAN CAUTION Be aware that the voltage drops depending on the wire thickness and length Also never input an AC power source Doing so will cause a failure Use a source power or...

Page 87: ...er under 3 2mV V between SIG Plus overflow of the A D converter over 3 2mV V between SIG Indicated value overflowed indicated value 1999 Indicated value overflowed indicated value 1999 Span set value is 00000 Output of the strain gauge sensor does not reach the span Output of the strain gauge sensor is on the minus negative side adjustment range ...

Page 88: ... errors in the internal circuits and in programs and the Visual check Function to visually check the indicator The self check is completed in 30 seconds The display should appear then the indicate value should follow This ensures that the TD 240A is in normal operation 1 Turn off the power to the TD 240A 2 Turn on the power with key held down ESC Setting Method ...

Page 89: ...13 SELF CHECK FUNCTION AND INITIALIZATION 80 Self check Visual Check Sequence ...

Page 90: ...memory to the factory setting This operation resets all set values except calibrated values obtained through zero calibration and span calibration to the factory setting The initialization follows the self check 1 Turn off the power to the TD 240A 2 Turn on the power with and keys held down ESC ENT Setting Method ...

Page 91: ...13 SELF CHECK FUNCTION AND INITIALIZATION 82 Initialization Sequence ...

Page 92: ...ffer F G FRAME Serial Port Parallel Port Port Port Serial Port RAM 4Kbyte MPU 16bit Flash ROM 128K Watch Dog NOV RAM 1024bit Display Key Input HOLD DZ 2Line 2Line Parallel SI F D A RS 232C BCD HI LO SIF CPU 12V 12V 12V 5V VOL OUT GND 5V VCC Isolation SI F 用 FRAME Power Supply Unit LED Conversion Voltage Input Output Voltage L N AC IN F G ...

Page 93: ...ON BCO 232 DAC B V 10V 2 5V DIGITAL INDICATOR F340A 100 240V 50 60Hz 15W MADE IN JAPAN SI F HI LO HOLD DZ VOL OUT G EXC SIG EXC SIG F G 1 2 3 4 5 6 7 8 9 10 11 13 14 15 4 R3 以下 4 R5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 L N AC IN F G SER No MADE IN JAPAN TD 240A DIGITAL TRANSDUCER INDICATOR 12 OPTION BCO 232 DAC SI F HI LO HOLD DZ VOL OUT EXC SIG EXC SIG F G 1 2 3 4 5 6 7 8 9 10 11 13 14 15 B V 10V ...

Page 94: ...nput Actual load calibration range 0 5 3 0mV V Zero adjustment range 0 2 0mV V Analog input signal sensitivity 1μV count Accuracy Non linearity 0 02 FS of 3mV V input Zero drift 0 5μV Gain drift 25ppm A D converter 100 times sec Resolution 16 bits binary Analog filter 4Hz 10Hz 100Hz Initial 3ｋHz Changable by setting key pad Peak hold function high speed analog hold system Operation response speed ...

Page 95: ...ibration equivalent input calibration High limit value Low limit value High Low limit comparison mode Hysteresis Digital offset Near zero Digital filter Analogfilter Motion detect Zero tracking Hold mode Automatic printing Hold value printing LOCK Scale division Display frequency Excitation Voltage BCD data update rate RS 232C D A converter setting D A converter fullscael setting 15 4 External Sig...

Page 96: ...he request at the time of order Power consumption AC spec 15W max DC spec 15W max Rush current Typ 20A 2 5 msec 100V AC mean load state ordinary temperature at cold start time 40A 2 5 msec 200V AC mean load state ordinary temperature at cold start time Ambient conditions Temperature Operation 10 to 40 Storage 40 to 80 Humidity 85 RH non condensation Dimensions 96W 96H 135D mm excluding protrusions...

Page 97: ...CATIONS 88 15 8 Accessories AC power cord 1 Mini screwdriver for terminal board connection 1 Ferrite core 2 3P 2P conversion adapter 1 BCD Output connector 1 when BCD option is supplied TD 240A operational manual ...

Page 98: ...t be sure to install the TD 240A and fix to a panel or the like for use 2 Use the attached power cable 3 Use shielded cables for others load cell external I O option Attachment of a ferrite core It is necessary to twist a power supply cable and sensor cables such as a load cell around an attached ferrite core Common to AC spec and DC spec EN55011 EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN6...

Page 99: ...ng surge protect The cable of the EU outlet shape is required for connection of lighting serge protect Option MAINTRAB MNT 1Dis a trademark of PHOENIX CONTACT MAINTRAB MNT 1D TD 240A Lightning surge protect PT BE FM PT 2 PE S 24AC ST is a trademark of PHOENIX CONTACT PT BE FM PT 2 PE S 24AC ST DIN rail attachment type This lightning surge protect is not a standard accessory optionally available Pu...

Page 100: ...TEAC INSTRUMENTS CORPORATION 83 IMAIKAMIMACHI NAKAHARA KU KAWASAKI JAPAN Phone 044 711 5221 Fax 044 711 5240 ...

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Teac TD-240A, Operation Manual

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