1. Manuals
  2. Brands
  3. Longtec Manuals
  4. Transmitter
  5. TR700
  6. Instruction manual

Longtec TR700 Instruction Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

TR700 Instruction Manual
TR700
D I G I TA L L O A D C E L L T R A N S M I T T E R
INSTRUCTION MANUAL
V01.14
LONGTEC
I

Advertisement

Table of Contents
loading

Summary of Contents for Longtec TR700

  • Page 1 TR700 Instruction Manual TR700 D I G I TA L L O A D C E L L T R A N S M I T T E R INSTRUCTION MANUAL V01.14 LONGTEC...
  • Page 2 TR700 Instruction Manual Note：  Observe the instruction manual carefully before using the weighing indicator for the first time, where you can find answers for many questions existing in the site operation.  Check whether the other accessories of the weighing system match.

  • Page 3: Table Of Contents

    TR700 Instruction Manual CONTENT GENERAL INSTRUCTION ..........................1 1.1..............................1 NSTRUCTION TECHNICAL PARAMETERS .......................... 2 2.1..........................2 ENERAL PECIFICATIONS 2.2................................2 IGITAL 2.3................................. 2 NALOG INSTALLATION AND CONNECTION ......................3 ............................... 3 AUTION ..............................3 IMENSIONS ......................
  • Page 4 TR700 Instruction Manual DIAGNOSIS FUNCTION ..........................49 8.1..................49 PERATION ROCEDURE OF IAGNOSIS UNCTION 8.2........................50 IST OF IAGNOSIS UNCTION 8.3....................... 50 ESCRIPTION OF IAGNOSIS UNCTION 8.3.1. Display of the Mill volt Value......................50 8.3.2. Key-press Testing ..........................50 8.3.3.

  • Page 5: General Instruction

    1. General Instruction 1.1. Instruction TR700 strain load cell, digital transmitter (transmitter for short) is a kind of multi-purpose signal converter, integrating display, transmitting and control, with the function of serial digital signal output and analog output etc. It is small and light, adopting guide way installation. Besides, it is strictly tested by EMC, of high reliability, and adopts key operation and LED display at the same time.

  • Page 6: Technical Parameters

    TR700 Instruction Manual 2. Technical Parameters 2.1. General Specifications ： DC 24V (18V～30V) 1. Power s upply ： Max. 10W 2. Power c onsumption ： -5℃～to 45℃（23℉～117℉） 3. Operating temperature ： ≤90% relative humidity（no condensation） 4. Humidity ： Approx. 0.5kg 5.

  • Page 7: Installation And Connection

    TR700 Instruction Manual Digital output ： RS232 /RS485 Standard Accessory ： 0～5V，0～10V，1~5V, 0～20mA, Optional Accessory Analog out p ut 4～20mA optional 3. Installation and Connection 3.1 Caution  Avoid being exposed to direct sun shine, an abrupt change of temperature and vibration；...

  • Page 8: Wire Connection And Interfaces

    TR700 Instruction Manual 3.3 Wire Connection and Interfaces Charm 3-2 TR700 Wire Connection...
  • Page 9 TR700 Instruction Manual Number Definition Description ＋24V The positive polarity of the module’s power supply ， 24V(18V-30V), switch power supply The ground of the module’s power The protection of the module, for ground Reservation Digital input 1, Passive Connection Point...

  • Page 10: Display Panel

    TR700 Instruction Manual The amount of load cells of Wire of Wire of Wire of 350Ω connected together NO.24（m） NO.20（m） NO.16（m） 1200 （maximum） 3.4 Display panel Display Window It is six-bit LED display, mainly used to display weight data or the other functional parameters. After it is connected to the power supply, it displays ‘8.8.8.8.8.8.’for about 5 seconds, and then...
  • Page 11 TR700 Instruction Manual The unit is kilogram. Only one light of Kg or T is on in the weighing display The unit is ton state. 3, Key From left to right ： 、 、 、 、 Table 3-5 Function Description Menu 1）In the weighing status, enter the menu;...

  • Page 12: Basic Operation Diagram

    TR700 Instruction Manual 4. Basic Operation Diagram 4.1 Block Diagram Diagram 4-1 Block Diagram...

  • Page 13: Tr700 Operation Flow Chart

    TR700 Instruction Manual 4.2 TR700 Operation Flow Chart...

  • Page 14: Tr700 Function Tree

    TR700 Instruction Manual 4.3 TR700 Function Tree unit configure input 3 zero Function setting Input password FunC 00000 configure input 4 Zero tracking Motion detective conditional output configure Output 1 configure input 1 configure Output 2 filter coefficients display rewrite rate...

  • Page 15: General Function Setting

    TR700 Instruction Manual 5. General Function Setting 5.1. Steps ZERO ZERO FunC F 00 F00 XX MENU MENU FUNC ZERO TARE MENU F 01 F01 XX F02 XX F 02 F03 XX F 03 F 04 F04 XX F05 XX...

  • Page 16: Function Table

    TR700 Instruction Manual to input parameters，and press to save the parameters and enter the next function setting,. Press to get back to the former function setting without saving the parameters, and then go on pressing to get back to “FUNC”, and press again to get back to normal display.
  • Page 17 TR700 Instruction Manual Tare Distribution of Clear zero external control input Extend Functions Keyboard lock， only lock the “zero, tare, gr/nt” keys Gross/net Tare Distribution of Clear zero external control input Extended Functions Keyboard lock， only lock the “zero, tare and gr/nt”...

  • Page 18: Communication Parameters And Communication Protocol

    6.1. RS232/RS485 Communication Selections TR700 can be calibrated directly through interface that maybe choose one by switch. Two communication modes of the TR700’s serial interface 1, RS232 and RS485, are optional. It is chosen by the data-chosen-switch. Refer to the following chart.

  • Page 19: Communication Parameter Setting Of Serial Interface 1

    TR700 Instruction Manual 6.2. Communication Parameter Setting of Serial Interface 1 ZERO ZERO CoM1 C-0 XX MENU MENU FUNC ZERO TARE MENU C-1 XX C-2 XX TARE FUNC 通过 调整XX C-3 XX C-4 XX C-5 XX C-6 XX...

  • Page 20: List Of Communication Parameters Of Serial Interface 1

    TR700 Instruction Manual 6.3. List of Communication Parameters of Serial Interface 1 Number Name Default Setting C-XX Parameter Description range Communication 0-99 Communication address address 4800 bps 9600 bps Baud rate 19200 bps 38400 bps 57600 bps 115200 bps Parity bit...
  • Page 21 TR700 Instruction Manual Parity bit = 1（non, even or odd）; Stop bit = 1; Code standard = ASCⅡcode; Ending code = CR/LF. 7-bit odd parity, 7-bit even parity, 8-bit no parity, 8-bit odd parity and 8-bit even parity are optional.

  • Page 22: Modbus Protocol

    8-bit no parity, 8-bit odd parity and 8-bit even parity are optional. 6.4.3.2. Datagram Format TR700 Modbus protocol is in RTU ( Remote Terminal Unit) communication mode.。A byte (8 bits) in the message contains two 4-bit hexadecimal characters. RTU Mode...
  • Page 23 TR700 Instruction Manual (the 16 bits of the register) 40002 Display the lower 8 bits ( the lower 8 bits of the register) 40003 Meter’s status （the lower 8 bits of the register） 40004 DI status （the lower 8 bits of the register）...
  • Page 24 TR700 Instruction Manual 40023 Unit conversion （the lower 8 bits of the register） 40024 Reservation (the lower 8 bits of the register） 40025 Conditions of comparison output （the lower 8 bits of the register） 40026 The distribution of the external control input （the lower 8 bits of the register）...
  • Page 25 TR700 Instruction Manual （the lower 8 bits of the register） 40042 The higher 16 bits of the sensitivity （the higher 8 bits of the register） 40043 The lower 16 bits of the sensitivity （the lower 8 bits of the register）...

  • Page 26: Zero Calibration

    TR700 Instruction Manual When executing the function of clear zero, function code 06 is to be used and the 执行 read-in data must be 0xaa55. If the read-in data is not be 0xaa55 or the display value exceeds the range of clear zero, the fault code 0x03 will be got.
  • Page 27 TR700 Instruction Manual （hex） Address domain Address domain Function code Function code Setting address higher Setting address higher (bytes) (bytes) Setting address lower Setting address lower (bytes) (bytes) Setting data higher (bytes) Setting data higher (bytes) Setting data lower (bytes) Setting data lower (bytes) Function code：...

  • Page 28: Longtec Protocol

    TR700 Instruction Manual Function code Function code Setting address Setting address higher (bytes) higher (bytes) Setting address Setting address lower (bytes) lower (bytes) Setting data Setting data higher (bytes) higher (bytes) Setting data Setting data lower (bytes) lower (bytes) Take count of bytes...
  • Page 29 Meter address：The range is 0x01-0x63. Data length：The length of data domain Parity：The lower bits of the summation from the start up bit to the last bit of the data domain 6.4.3.3. Instructions of Longtec Protocol 6.4.3.3.1. Read the Actual Weighing Value Request：Master Response：Slaver...
  • Page 30 TR700 Instruction Manual 6.4.3.3.2. Read the Value of ad Request：Master Response：Slaver Domain name Data（hex） Domain name Data（hex） Beginning code Beginning code Address 01-63 Address 01-63 Function code Function code Length of data Length of data Checking Accumulation Mill volt value（MMSB）...
  • Page 31 TR700 Instruction Manual Length of data Length of data Checking Accumulation Status word of response Checking Accumulation  Description of Status Word of Response： = 0xaa，Successful; = 0x55，Failed. 6.4.3.3.5. Cancel Clearing to Zero Request：Master Response：Slaver Domain name Data（hex） Domain name Data（hex）...
  • Page 32 TR700 Instruction Manual Length of data Length of data Checking Accumulation Status word of response Checking Accumulation  Description of Status Word of Response： ： = 0xaa, Successful; = 0x55, Failed. 6.4.3.3.8. Net/Gross Weight Conversion Request：Master Response：Slaver Domain name Data（hex）...
  • Page 33 TR700 Instruction Manual  Description of Status Word of Response： If the higher four bits and the lower four bits are not in accord, get back to 0x75. If they are in accord, get back to the following table. b7 = b3...
  • Page 34 TR700 Instruction Manual Address 01-63 Address 01-63 Function code Function code Length of data Length of data Checking Accumulati Distribution of input 2 Distribution of input 1 Distribution of input 4 Distribution of input 3 Distribution of output 2 Distribution of output 1...
  • Page 35 TR700 Instruction Manual Checking Accumulati Baud rate Communication address Data bit Parity bit Communication rate Communication mode Communication protocol Checking accumulatio 6.4.3.3.14. Read the Hi-hi Limit Value Request：Master Response：Slaver Domain name Data（hex） Domain name Data（hex） Beginning code Beginning code Address...
  • Page 36 TR700 Instruction Manual Up limit value（MSB） Up limit value（LSB） Up limit lag value Checking Accumulation 6.4.3.3.16. Read the Low Limit Value Request：Master Response：Slaver Domain name Data（hex） Domain name Data（hex） Beginning code Beginning code Address 01-63 Address 01-63 Function code Function code...
  • Page 37 TR700 Instruction Manual Function code Function code Length of data Length of data Checking Accumulation Decimal point Scale division Capacity（MMSB） Capacity（MSB） Capacity （LSB） Checking Accumulation 6.4.3.3.19. Read the Calibration Coefficient Request：Master Response：Slaver Domain name Data（hex） Domain name Data（hex） Beginning code...
  • Page 38 TR700 Instruction Manual zero response Range of dynamic Accumulati Filtering coefficient detection Checking Unit setting Display updating rate Conditions of comparison output Sampling rate Checking Accumulati The meanings of the parameters are referred to Table 5-1.  Description of Status Word of Response：...
  • Page 39 TR700 Instruction Manual Function code Function code Length of data Length of data Communication Baud rate address Status of response Accumulati Data bit Parity bit Checking Communicatio n rate Communication mode Communication protocol Accumulatio Checking  Description of Status Word of Response：...
  • Page 40 TR700 Instruction Manual Function code Function code Length of data Length of data Hi-hi limit value（MMSB） Status of response Hi-hi limit value（MSB） Checking Accumulation Hi-hi limit value（LSB） Hi-hi limit lag value Checking Accumulation  Description of Status Word of Response：...
  • Page 41 TR700 Instruction Manual Checking Accumulation  Description of Status Word of Response： = 0xaa, Successful; = 0x55, Failed. 6.4.3.3.27. Lo-lo Limit Value Setting Request：Master Response：Slaver Domain name Data（hex） Domain name Data（hex） Beginning code Beginning code Address 01-63 Address 01-63 Function code...
  • Page 42 TR700 Instruction Manual = 0x55, Failed. 6.4.3.3.29. Calibration Coefficients Setting Request：Master Response：Slaver Domain name Data（hex） Domain name Data（hex） Beginning code Beginning code Address 01-63 Address 01-63 Function code Function code Length of data Length of data Calibration coefficient （MMSB） Status of response Calibration coefficient（MSB）...

  • Page 43: Calibration Of The Meter

    TR700 Instruction Manual Address 01-63 Address 01-63 Function code Function code Length of data Length of data Input weighing value（MMSB） Status of response Checking Input weighing value（MSB） Accumulation Input weighing value（LSB） Checking Accumulation  Description of Status Word of Response：...

  • Page 44: Significance Of The Calibration

    TR700 Instruction Manual Capacity For transmitters, A≥0.5μV/d. 7.1. Significance of the Calibration As a weight signal (mV) processor, the meter need to establish the correspondences between mV signals sent from load cells and the standard value, so that the calibration is needed. It contains Zero Calibration and Scale Division Calibration, and the latter could choose one point or multi-points to perform calibration.

  • Page 45: Operation Of The Calibration

    TR700 Instruction Manual ：Output signal of load cell when weighing system is at no load;. ：Output signal of load cell when weighing system is at a certain load; ：The display value of V input to the meter without calibration; ：The display value of V input to the meter without calibration;...

  • Page 46: Calibration In Kind

    TR700 Instruction Manual 7.2.2. Calibration in Kind Chart 7-2 Diagram of Calibration in Kind CAL1” is displayed ， and press to enter the first step. “ Step 1：Decimal Point Setting “C1.dECi” is displayed ， and press to jump over the decimal point setting; press 、...
  • Page 47 TR700 Instruction Manual division input and enter the third step, or press to enter the third step directly without saving the division input. Step 3：Capacity Setting C1.MAX”is displayed, and press to jump over the capacity setting; press 、 、 enter the capacity setting; press to input the capacity;...

  • Page 48: Digital Calibration

    TR700 Instruction Manual 7.2.3. Digital Calibration Chart 7-3 Diagram of Digital Calibration...
  • Page 49 TR700 Instruction Manual “CAL2” is displayed ， and press to enter the first step. Step1：Decimal Point Setting “C2.dECi” is displayed ， and press to jump over the decimal point setting ； press 、 to enter the decimal setting; press to select the position of the decimal point;...

  • Page 50: Modification Of The Calibration Coefficient

    TR700 Instruction Manual to save the capacity input （ If the sensitivity input setting is jumped capacity; press over ， the capacity will not be saved. ） and get back to the “CAL2” screen ， or press get back to the “CAL2” screen directly without saving the capacity input.

  • Page 51: Parameter List Of Calibration In Kind

    TR700 Instruction Manual 7.4. Parameter List of Calibration in Kind Table 7-2 Defaul Setting Name CAL1 Parameter range Descriptions 0：No decimal place 12345 1：1 decimal places 1234.5 C1.dEC Position 2：2 de cimal pl a ces 123.45 of decimal 3：3 de cimal pl a ces 12.345...

  • Page 52: Reminders Of Calibration Error

    TR700 Instruction Manual While the weight exceeds the above value, it can not be displayed. The voltage that is input from C2.ZEr Zero calibration 0.1mV 0.05uV-15mV the load cell at zero is decided in the zero calibration. The unit is C2.SEn...

  • Page 53: Diagnosis Function

    TR700 Instruction Manual 8. Diagnosis Function 8.1. Operation Procedure of Diagnosis Function Chart 8-1 Operation Procedure of Diagnosis Menu...

  • Page 54: List Of Diagnosis Function

    TR700 Instruction Manual In the normal display state ， press 、 to enter the menu; press to select “diAg”; press 、 , and “AdC.mV”will be displayed; press to select submenu; press to enter the submenu. 8.2. List of Diagnosis Function...

  • Page 55: Display Testing

    （2）When the product you’ve purchased is RS485 This menu can not be used to test RS485. An external RS485 interface in good state is needed to test the TR700 communication. 8.3.5. Display the Version Number “Edit”is displayed; press , and the version number will be displayed.

  • Page 56: Renew To The Default

    TR700 Instruction Manual stands for output testing, and the latter four bits correspond to the four outputs. ; there’s four outputs ， and “1111” is displayed on the LED. Use a multi-meter to test the Press four circuits separately. If the circuit is on, it can work properly.

  • Page 57: Explanation For Comparison Condition

    TR700 Instruction Manual 9. Explanation for Comparison Condition 9.1. Procedure of Parameter Setting Chart 9-1 Operation Diagram of Higher/Lower Limit Setting...
  • Page 58 TR700 Instruction Manual 、 In the normal display status, press to enter the menu, press to select “SET”, and press to enter the first step. Step 1：the Hi-hi Limit Value Setting “SEt-HH”is displayed, and press to jump over the hi-hi limit value setting; press 、...

  • Page 59: List Of Higher/Lower Limit Parameter Setting

    TR700 Instruction Manual 、 、 enter the hi-hi limit value setting; press to input the hi-hi limit lag; press to clear the hi-hi limit lag input, and enter the sixth step directly; or press to confirm the input and enter the sixth step.
  • Page 60 TR700 Instruction Manual Function Function name Default Setting The range of parameters Descriptio number SEt-HH Hi-hi limit 4000 0－999999 value SEt-H Higher limit 3000 0－999999 value SEt-L Lower limit 2000 0－999999 value SEt-LL Lo-lo limit 1000 0－999999 value LAg-HH Hi-hi limit lag 0－100...

  • Page 61: Switch In/Output

    Note：Input contact adopts the switch without power, and the circuit can not be short for less than 50 10.1.2. Connection between Input Interface and PLC In the charm, the DC V+ is provided by TR700 itself, and there is no need to add any power for the output.

  • Page 62: Control Output

    TR700 Instruction Manual Chart 10-2 Connection Drawing of External Input and PLC 10.2. Control Output 10.2.1. Description of Output Output method： Solid relay output，every output is individual. Max capacity： 60V DC/AC，0.4A current The rate of comparison output： 100 times per second...

  • Page 63: Analog Output

    TR700 Instruction Manual L output = the gross display value ≤L comparison set value; LL output = the gross display value ≤LL comparison set value. If the net weight is displayed, HH output = the net display value ≥HH comparison set value;...

  • Page 64: Attach

    TR700 Instruction Manual 11. Attach 11.1. Function Table 11.1.1. Parameter List of General Function Setting Number Setting Defaul Paramet Name Description Range ：Zero function off; Zero range 0-10 1-10 ：It is 1％-10％ of the capacity. 0-10 The display must be in zero tracking range Zero tracking range in 2s, and later it goes back to zero.
  • Page 65 TR700 Instruction Manual Distribution of external Clear zero control input 2 Extend Functions Keyboard lock， only lock the “zero, tare, gr/nt” keys Gross/net Tare Distribution of external Clear zero control input 3 Extended Functions Keyboard lock， only lock the “zero, tare and gr/nt”...

  • Page 66: Rs232/Rs485 Communication Parameter List

    TR700 Instruction Manual 11.1.2. RS232/RS485 Communication Parameter List Function NO. Function name Default Setting C - XX Parameter Description range Communication 00-99 RS232/RS485 Communication address address 4800 bps 9600 bps 19200 bps 38400 bps 57600 bps 115200 bps Parity bit...

  • Page 67: Parameter List Of Calibration In Kind

    TR700 Instruction Manual 11.1.3. Parameter List of Calibration in Kind Defaul Setting Name CAL1 Parameter range Descriptions 0：No decimal place 12345 1：1 de cimal pl a ces 1234.5 C1.dEC decimal point 2：2 de cimal pl a ces 123.45 3：3 decimal places 12.345...

  • Page 68: Parameter List Of Digital Calibration

    TR700 Instruction Manual 11.1.4. Parameter List of Digital Calibration CAL2 Setting Name Default Parameters’ Descriptions range 0：No decimal place 12345 1：1 de cimal pl a ces 1234.5 C2.dEC Position of decimal 2：2 de cimal pl a ces 123.45 point 3：3 de cimal pl a ces 12.345...

  • Page 69: List Of Standard Code Ascii

    TR700 Instruction Manual 11.2. List of Standard Code ASCII Character Hexadecimal Decimal code Name and the meaning code Null Character Start of Heading Start of Text End of Text End of Transmission Enquiring C haracter Acknowledgement Character Bell Character Backspace Character...

  • Page 70: Record

    TR700 Instruction Manual 12. Record...
  • Page 71 TR700 Instruction Manual ZHUHAI LONGTEC CO., LTD ADD: 2/F, B Bldg., No. 265 Changping Road, Xiawan, Zhuhai City G.D., P.R.C P.C.:519020 Tel: 0756-8155202 / 8155232 Fax: 86-0756-8155622 Http://www.longtec.com E-Mail:sales@longtec.com...

Table of Contents