Tonghui TH2515 Operation Manual
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Tonghui TH2515 Operation Manual

Dc resistance meter
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  • Page 1 TH2515 DC Resistance Meter : : No.3, Tianshan Road, New District, Changzhou, Jiangsu （ （ ） ） ， ， （ ） ， （ （ ） ） （ ）...

  • Page 2: Table Of Contents

    TH2515 Operation Manual Contents Introduction to Instrument, Unpacking and Installing ............1 Introduction to Instrument................. 1 Unpacking ......................1 Power Connection ....................1 Fuse ........................2 Environment ....................... 2 Use of Test Fixture ....................2 Warm-up ......................2 Other Features ....................2 Introduction to Front and Rear Panels ................3...
  • Page 3 TH2515 Operation Manual 3.2.4 Compare Mode and SETTINGS of ABS & Percent Error ........13 <BIN DISP> ......................13 STATIS DISP ....................... 14 3.4.1 Edge Mode and Settings of Its Relevant Values ..........15 3.4.2 Status ON/OFF ....................15 3.4.3 Parameters of Statistic Analysis ...............
  • Page 4 TH2515 Operation Manual <File Manage> ....................30 4.2.1 Introduction to Save/Recall ................30 4.2.2 Structure of File Folder/File in a U Disk ............30 4.2.3 DHCP ......................... 34 4.2.4 IP ADDR ......................35 4.2.5 SUBNET MASK ....................35 4.2.6 GATEWAY ......................35 4.2.7...
  • Page 5 SCPI (Standard Commands for Programmable Instruments) ......46 LAN Remote Control System ................47 6.3.1 Access TH2515 through a Browser ..............49 6.3.2 Access TH2515 through the Software of a Upper Computer ......49 USBTMC Remote Control System ..............50 6.4.1 System Configuration ..................50 6.4.2 Install the Driver ....................
  • Page 6 TH2515 Operation Manual Package Contents and Warranty ..................89 Package Contents ..................... 89 Marks ........................ 89 Package ......................89 Shipping ......................90 Storage ......................90 Warranty ......................90 Declaration The descriptions contained in this manual may not cover all information about this instrument.

  • Page 7: Introduction To Instrument, Unpacking And Installing

    1.1 Introduction to Instrument TH2515 is a DC Resistance Meter with color LCD display and touch function. Its accuracy of 0.01% is able to meet general resistance test requirements. Better measurement result is obtained for temperature-sensitive resistors by the adoption of temperature compensation function.

  • Page 8: Fuse

    TH2515 Operation Manual 1.4 Fuse The fuse is a standard configuration, so use the included custom fuse please. 1.5 Environment Do not store or use the instrument where it could be exposed to many dusts, great vibration, direct sunshine and corrosive gas.

  • Page 9: Introduction To Front And Rear Panels

    TH2515 Operation Manual 2) Introduction to Front and Rear Panels This chapter will describe the basic operation of TH2515. Before using the instrument, please read this chapter carefully. 2.1 Introduction to Front Panel Figure 2-1 shows the front panel of TH2515.

  • Page 10: Introduction To Rear Panel

    There are four arrow keys: up, down, left and right arrow keys. 11) Trademark and Model Show instrument trademark and model. 12) POWER It is the power switch. 2.2 Introduction to Rear Panel Figure 2-2 shows the rear panel of TH2515. GPIB RS-232C S/N: R5-211-00001 110V-240V...

  • Page 11: Display Zone

    Please refer to the introduction of HANDLER in Chapter 8 for specific information. 2.3 Display Zone TH2515 adopts 24-bit 4.3-inch LCD touch screen with a resolution of 480*272. The display screen is divided into the following zones, as shown in figure 2-3.

  • Page 12: Introduction To Buttons On Front Panel

    <SYSTEM SETUP> <LAN SETUP> <MEAS DISP> 2.5 Simple Operation Simple operation steps for TH2515: Use [MEAS], [SYSTEM] or [FILE] or soft keys to enter into the page required to enter. (Refer  to figure 2-5) Use arrow buttons ([←] [↑] [→] [↓]) to move the cursor to desired zone.

  • Page 13: Starting Up

    Figure 2-4 shows the boot screen of TH2515, indicating product information such as instrument trademark, model and version.

  • Page 14: Basic Operation

    File manage (FILE)  Other tools (TOOLS)  Soft keys (used to enter into operation pages)  3.1.1 Measurement Functions Measurable parameters on TH2515 are as follows: R (Resistance)  R-T (Resistance and temperature)  T (Temperature)  LPR (Resistance tested at low voltage) ...

  • Page 15: Measurement Range

    Parameters of resistance range, current, resolution, etc. have been displayed in diagram 3-1-2. TH2515 has 11 DC resistance ranges: 20mΩ, 200mΩ, 2Ω, 20Ω, 200Ω, 2kΩ, 20kΩ, 100kΩ, 1MΩ, 10MΩ, 100MΩ. TH2515 has 4 DC low voltage resistance ranges: 2Ω, 20Ω, 200Ω, 2KΩ.

  • Page 16: Measurement Speed

    Operation steps for setting measurement speed: TH2515 displays the measurement result as a 6-digit number in the decimal point floating mode. In FAST mode, the result is shown as a 5-digit number while in MED and SLOW, as a 6-digit number and temperature as 4-digit.

  • Page 17: Comp Disp

    TH2515 Operation Manual 0 ADJ: Execute short correction. In this process, please ensure the test terminals have been  correctly shorted. Only by doing this, unexpected measurement errors could be avoided. OVC (ON/OFF): ON is to take over voltage compensation for measurement results. OFF is not ...

  • Page 18: File Manage

    TH2515 Operation Manual Figure 3-2 The following parameters can be set on this page: FILE  TOOLS  COMP ON/OFF  COMP MODE  HIGH (nominal value)  LOW (%)  3.2.1 File Manage Touch FILE, the following soft keys will be displayed: File manage: Touch this soft key to enter into the file manage page.

  • Page 19: Compare Mode And Settings Of Abs & Percent Error

    TH2515 Operation Manual compare function is in ON mode, count function can be enabled. OFF is to turn off this function. 3.2.4 Compare Mode and SETTINGS of ABS & Percent Error You can set the compare mode and concerned values by touching the screen or pressing keyboard.

  • Page 20: Statis Disp

    TH2515 Operation Manual OFF is to turn off the bin beep function. NG: Bin beep function is ON. When the result is not consistent with the bin setting, the beep will sound. GD: Bin beep function is ON. When the result is consistent with bin setting, the beep will sound.

  • Page 21: Edge Mode And Settings Of Its Relevant Values

    TH2515 Operation Manual 3.4.1 Edge Mode and Settings of Its Relevant Values Touch this key, two modes is available: ABS (high and low limits) and % (percent error mode). When ABS is selected, the adjacent two items on the same line will be high and low limits. Touch them to set the values.

  • Page 22: Tools

    TH2515 Operation Manual  When 1.33 > 1.00 , the working capacity is qualified.  When 1.00 , the working capacity is insufficient. --------------------------------------------------------------------------------------------------------------------------------- Hi (num): Be used to add up times that the measurement result exceeds the upper limit value.
  • Page 23 TH2515 Operation Manual Figure 3-5 Measurement Setup On this page, the following parameter can set: mR+b (ON/OFF): Press this touch key to turn on/off the function of this option. This function  indicates that the measured resistance value is linearly converted. The measured physical quantity of the resistance value can be converted into other user-defined physical meanings.
  • Page 24 TH2515 Operation Manual executed. Therefore, it is recommended to set the delay time being more than 1ms. ------------------------------------------------------------------------------- AVERAGE 1: Touch this key, a numeric keyboard will pop up. Input the average number  ranging from 1 to 255. The larger the average number is set, the better the accuracy will be obtained but the longer time it will cost to display the result.

  • Page 25: Tc/∆T Setup

    TH2515 Operation Manual 3.6 <TC/∆t SETUP> Touch the main menu. And then touch the soft key TC/∆t SETUP to enter into the TC/∆t setup page shown as figure 3-6. Figure 3-6 TC/∆t setup Temperature Correction 3.6.1 Temperature correction function: By this function, the resistance tested under the current environment temperature will be converted to a resistance value under the user-set environment temperature.

  • Page 26: Temperature Conversion

    TH2515 Operation Manual NOTE: Before measurement, it is necessary to warm up the instrument and the probe for about half an hour. The temperature sensor should be placed to the DUT as close as possible but cannot contact it. After the displayed result comes to be stable, you can read or record the result.

  • Page 27: Types Of Temperature Sensor

    TH2515 Operation Manual 0.80 to 0.85 Anti-corrosion alloy Nickel: 2.5 to 4.0 0.25 to 0.45 980 to 1770 Silicon: 0.5 to 1.0 Soft aluminum Aluminum>99.5 0.63 to 0.64 Hard-drawn Aluminum>99.5 0.60 to 0.62 aluminum Aluminum alloy Silicon: 0.4 to 0.6 0.50 to 0.55...

  • Page 28: Parameter Setting

    TH2515 Operation Manual ----------------------------------------------------------------------------------------------------------------------------- NOTE: V1 and V2 range from 00.00V to 02.00V while T1 and T2 range from -99.9℃ to 999.9℃. Parameter Setting 3.6.4 t0: Touch this key, the numeric keyboard will pop up and you can input the reference ...

  • Page 29: File

    TH2515 Operation Manual Figure 3-7 Bin Setup On this page you can set all parameters concerned with the bin comparator. There are 10 groups of parameters (high and low limits, nominal value, %) at most can be set. The following parameters can be set on this page: BIN: Touch this key, Previous Page and Next Page will be displayed in the soft key zone.
  • Page 30 TH2515 Operation Manual required mode. CLEAR: Clear all setting parameters of all bins.  BIN OUTPUT: Two formats-BCD (binary output) and BIN (bin compare result output) are  output through the HANDLER interface.

  • Page 31: System Setup And File Manage

    TH2515 Operation Manual 4) System Setup and File Manage 4.1 System Setup Entering the system setup page, you can press [SYSTEM] or touch MORE2/2 on any display page to select system setup function as shown in figure 4-1. Figure 4-1 System Setup On this page, the following functions can be set: TouchTone, Language, Password, Bus Mode, Baud Rate, Bus Addr, EOC (ms), Err.OUT and AC Freq.

  • Page 32: Password

    TH2515 Operation Manual Steps for setting the language Touch Language, the following soft keys will be displayed: English  Touch this soft key to set the language as English. Chinese  Touch this soft key to set the language as Chinese.

  • Page 33: Baud Rate

    TH2515 Operation Manual Touch GPIB to select the GPIB interface. NOTE: This mode is available only when the optional GPIB interface is bought and installed. Touch LAN to select the LAN interface. Touch USBTMC to select the USBTMC interface. The instrument communicates with PC through the USB interface on the rear panel.

  • Page 34: Err.out Signal

    TH2515 Operation Manual Diagram 4-1-7-1 Timing diagram of internal trigger: Diagram 4-1-7-2 Err.OUT signal 4.1.8 Diagram of measurement time:...

  • Page 35: Power Supply Frequency

    5ms, no measurement error signal will be output.). Power Supply Frequency 4.1.9 TH2515 supplies two power supply frequencies: 50Hz and 60Hz. Please select the correct frequency so as to eliminate the influence of the power noise on the instrument. Setting Time and Date 4.1.10...

  • Page 36: File Manage

    Touch this key, the cursor under the time will move right. 4.2 <File Manage> TH2515 series can save parameters that are set by user to the internal non-volatile memory in the file format. User can load the file to use these parameters instead of resetting.
  • Page 37 U disk. If the U disk memory exceeds 512M, it is recommended to use FAT32 standard to format the disk. 3. Before a U disk is connected to TH2515, you are recommended to save the data on it and Tonghui will not be liable for the data loss.
  • Page 38 TH2515 Operation Manual the external U disk. Touch [Exit] to exit the file manage page. External file page is shown as below: Four files’ information will be displayed in the internal file page or the external file page, including file names and time of being saved.
  • Page 39 U disk. Select  Touch “Select”, the file the cursor locates will be selected. TH2515 can simultaneously copy several files to a U disk. Touch “Select” once again, the selected file will be cancelled from selection. Save Measurement Results In the “MEAS DISP”...

  • Page 40: Dhcp

    TH2515 Operation Manual <LAN SETUP> Touch “SYSTEM” to enter into the system setup page. Choose “LAN SETUP” to enter into the <LAN SETUP> page. This page shows most LAN setups including DHCP, IP ADDR, SUBNET MASK, GATEWAY, DNS SERVER1 and DNS SERVER2.

  • Page 41: Ip Addr

    Move the cursor to DHCP, the following items will be displayed:  Enable the DHCP function. NOTE: For the sake that TH2515 will acquire correct network parameters, please ensure a DHCP server exists in the current network.  Disable the DHCP function.

  • Page 42: Performance Index

    LPR: Resistance tested at low voltage Measurement Groups 5.1.2 Five measurement groups are available: R, R-T, T, LPR, LPR-T Equivalent Mode 5.1.3 The equivalent mode of TH2515 is series. Range 5.1.4 Resistance Mode: AUTO, MANU (HOLD, UP, DOWN) Trigger 5.1.5 Internal, manual, external, bus Internal: Continuously test a DUT and then output and display the result.

  • Page 43: Mode Of Test Terminal

    TH2515 Operation Manual Mode of Test Terminal 5.1.6 4-terminal measurement mode DRIVE HI：Current-drive high terminal DRIVE LO: Current-drive low terminal SENSE HI：Voltage-sense high terminal SENSE LO：Voltage-sense low terminal Time Expenditure of Measurement 5.1.7 Time Instruction Offset voltage compensation Offset voltage compensation...

  • Page 44: Test Signal

    TH2515 Operation Manual 5.2 Test Signal Current range 5.2.1 Current range: 100nA -- Output Voltage of Open Circuit 5.2.2 Output voltage of open circuit: 5V , 2.6V , 13V , 60mV Maximum Display Range 5.2.3 Parameter Measurement Display Range 0.1uΩ –- 110MΩ...

  • Page 45: Basic Accuracy For Resistance Measurement

    TH2515 Operation Manual measurement accuracy. Temperature range: 23℃± 5℃ Relative humidity: ≤80％RH Basic Accuracy for Resistance Measurement 5.3.1 Basic Measurement Accuracy in one year of TH2515 (23±5℃, ≤80%RH) Range Maximum Current Open (ppm of Rd + ppm of Fs) display...

  • Page 46: Accuracy For Temperature Measurement (Pt500)

    TH2515 Operation Manual 110.00 ± 100M 8000+600 8000+600 8000+800 15000 + 100nA 13Vmax ---- Ω ±5% 02.000 M Ω Accuracy for Resistance Tested at Low Voltage Measurement Basic Measurement Accuracy in one year (23±5℃, ≤80%RH) Range Maximum Current Open (ppm of Rd + ppm of Fs)

  • Page 47: Temperature Correction Factor

    TH2515 Operation Manual Temperature correction factor 5.3.4 When the instrument is used under the following environmental conditions: 0℃~18℃, ≤80%RH; 28℃~40℃, ≤80%RH Measurement Accuracy: Multiply the basic measurement accuracy value listed in chapter 5.3.1 -5.3.4 by the temperature correction factor K in the following table.

  • Page 48: Remote Control

    EIA in 1969, which rules to send one bit in a data line every time. As most serial interfaces, the serial interface of TH2515 is also not strictly based on RS-232 standard but only uses the smallest subset of this standard. The signals are listed in the following table.

  • Page 49: Gpib Bus (Option)

    Up to 15 equipments can be connected on a same bus. TH2515 applies IEEE488.2 and the interface plate can be inserted in any one of the three expansion slots Control command system is open so that user can use the PC operation interface provided by TH2515 or take measurements by the control command system.
  • Page 50 TH2515 Operation Manual Figure 6-2 GPIB Connector/Pin Structure Test Instrument Piggyback Connector Figure 6-3 Typical GPIB System Interconnection for Double-piggyback Connector...

  • Page 51: Gpib Interface Function

    TH2515 Operation Manual Figure 6-4 Typical GPIB System Interconnection for 4-piggyback Connector GPIB Interface Function 6.2.1 The following cable shows the TH2515 GPIB interface functions: Code Capability Function Data Source Handshake Three-wire Shake Acceptor Handshake Three-wire Shake Basic Talker Transmit instrument data.

  • Page 52: Scpi (Standard Commands For Programmable Instruments)

     SERVICE REQUEST When TH2515 requires the controller to execute a task, it will send out a SRQ service request control signal. SRQ, deemed as an interruption, will inform the controller to prepare the transmitted data or that errors exist on the instrument. As soon as TH2515 sends a SRQ service request signal, it will set the status byte to 6.

  • Page 53: Lan Remote Control System

    (1) Access TH2515 by a browser. (2) Access TH2515 by software of upper computer. System Configuration TH2515 is connected to a PC by a crossover network cable. If TH2515 is connected to a router, peer to peer network cable should be used. Parameter Settings Touch <SYSTEM SETUP>...
  • Page 54 TH2515 Operation Manual Figure 6-6 Network Parameters of Host computer TH2515 LAN setup: Figure 6-7 TH2515 LAN Setup...

  • Page 55: Access Th2515 Through A Browser

    Access TH2515 through a Browser 6.3.1 When TH2515 is accessed through a browser, it acts as a WEB server. User can access TH2515 by Internet Explorer (IE6.0 or upgraded version). Procedures of the access to TH2515 trough a browser (assume that the instrument IP is 192.168.1.28.)

  • Page 56: Usbtmc Remote Control System

    Install the Driver 6.4.2 When TH2515 is first connected to a PC through a USB cable, the prompt information –Found New Hardware will show on the right bottom of the computer desktop, as is shown below: Figure 6-10 Procedure 1 of Installing USB Driver Click “NEXT”, dialogue 6-11 will pop up.

  • Page 57: Usbvcom Virtual Serial Port

    When “USBVCOM” is selected, the USB interface can be configured as a virtual serial port (VCom). System Configuration 6.5.1 Connect PC and TH2515 to the USB interface through a USB cable. Installing Driver 6.5.2 Methods of installing USBVCOM driver are the same with that of installing USBTMC driver. When the installation of driver is finished, user can see “usb VCom port”...
  • Page 58 TH2515 Operation Manual Figure 6-13 VCom Display of PC Device Manager Now, usb VCom port acts as a serial port. When PC has no serial port, the communication software based on this serial port can be used as USB virtual serial port.

  • Page 59: Scip Command Reference

    1. Data Conventions of This Manual NR1 ：integer, for example:123 NR2 ：fixed number, for example: 12.3 NR3 ：floating number, for example: 12.3E+5 NL ：CR character，integer: 10 ^END：EOI (end) signal of IEEE-488 bus. 7.1 TH2515 Subsystem Commands ●DISPlay ●TRIGger ●COMParator ●IO ●FUNCtion ●FETCh?
  • Page 60 TH2515 Operation Manual BSETup Set the display page to bin setup. TSETup Set the display page to temperature setup. Set the display page to statistics. STATistics Set the display page to system setup. SYSTem Set the display page to (internal) file list.

  • Page 61: Function Subsystem Commands

    TH2515 Operation Manual FUNCtion Subsystem Commands 7.1.2 FUNCtion subsystem commands are mainly used to set “function”, “range”, “measurement pattern”, “self-calibration mode”, etc.. The DISPlay:PAGE? qurey returns to the current page. Command Tree: The :IMPedance command sets the “function” parameters. The FUNCtion:IMPedance? query returns to the current “function” parameters.
  • Page 62 TH2515 Operation Manual Query syntax: FUNCtion:IMPedance? Return Format: <function><NL^END> If the current “function” is R-T, it will returns to RT. The :IMPedance:RES:RANGe command sets the instrument range in common resistance measurement pattern. The FUNCtion:IMPedance:RES:RANGe? query returns to the current range parameters in common resistance measurement pattern.
  • Page 63 TH2515 Operation Manual range values. Its data format is NR1, NR2, NR3, <value> = 0 to 2000. For example: WrtCmd(“FUNC: IMP:LPR:RANG 15”); Set the instrument range in resistance tested at low voltage measurement pattern as 20Ω. Query syntax: FUNCtion:IMPedance:LPR:RANGe? Return format: <value><NL^END>...
  • Page 64 TH2515 Operation Manual Returned value: <0 or 1><NL^END> 0: it indicates that the 0 ADJ has completed successfully and open 0 ADJ after the completion. 1: it indicates that the measured value of resistance exceeds 1,000 dgt, namely operation failed.

  • Page 65: Aperture Subsystem Commands

    TH2515 Operation Manual <NR1> = 1 or 0 1: the measurement fault detection time setup “AUTO” ON 0: the measurement fault detection time setup “AUTO” OFF The :CALibration:MODE command sets the instrument self-calibration mode selection. The :CALibration:MODE? query returns to the current self-calibration mode.

  • Page 66: Trigger Subsystem Commands

    TH2515 Operation Manual The :APERture command sets the instrument measurement speed. The :APERture? query returns to the current measurement speed. Command syntax: Command syntax: APER <FAST，MEDium，SLOW1 or SLOW2> For example: WrtCmd(“APERture SLOW1”); Set the instrument self-calibration mode as SLOW. Query syntax: APERture? Return format: <FAST，MEDium，SLOW1 or SLOW2>...

  • Page 67: Fetch? Subsystem Commands

    TH2515 Operation Manual The :SOURce command sets the mode of trigger source. The :SOURce? query returns to the current mode of trigger source. Command syntax: TRIGger:SOURce <INTernal, MANual, EXTernal 或 BUS> Where, INTernal Be automatically triggered by the instrument and be the defaut setting of the instrument.
  • Page 68 TH2515 Operation Manual The [:IMP]? query returns TH2515’s last measurement result to its output buffer. Query syntax: FETCh[:IMP]? The data got from the commands can be divided into three types according to different functions and display page. 1. On the measurement display page, compare display interface, bin display page and statistical interface and the measurement function is one-parameter mode (functions are R, T, LPR): Data format: <primary parameter>, <system status>;...

  • Page 69: Temperature Subsystem Commands

    TH2515 Operation Manual measurement result. TEMPerature Subsystem Commands 7.1.6 TEMPerature subsystem commands set the instrument trigger source and the delay time after triggering, and triggers instrument measurement. Command Tree: The :TEMPerature:CORRect:STATe command sets “ON” and “OFF” of the instrument temperature correction function.
  • Page 70 TH2515 Operation Manual <Temp. Coefficient> = -99999 to 99999(NR1) means “temperature coefficient”, unit： ppm/℃ For example: WrtCmd(“:TEMP:CORR:PAR 25,3390”); Set the instrument “reference temperature” and “temperature coefficient” as 25℃ and 3390 ppm/℃ respectively. Query Syntax: :TEMPerature:CORRect:PARameter? Return format: <Reference Temp.>,<Temp. Coefficient><NL^END>...

  • Page 71: Comparator Subsystem Commands

    TH2515 Operation Manual as above. The :TEMPerature:SENSor command sets the input mode selection of the instrument temperature sensor. The :TEMPerature:SENSor? query returns to the current input mode of the temperature sensor. Command syntax: :TEMPerature:SENSor <PT or ANALog> Where, PT : Using PT500 as the input signal of the temperature sensor...
  • Page 72 TH2515 Operation Manual The :COMParator[:STATe] command sets the status of instrument comparator function. The :COMParator[:STATe]? query returns to the current comparator state. Command syntax: :COMParator[:STATe] <ON(1) or OFF(0)> For example, WrtCmd(“:COMP:STAT ON”); Set the comparator function of the instrument as “ON”.
  • Page 73 TH2515 Operation Manual COMParator:MODE < ATOLerance or PTOLerance > Where, ATOLerance：set the limit mode of the instrument as absolute tolerance mode PTOLerance：set the limit mode of the instrument as proportional tolerance mode For example, WrtCmd(“COMP:MODE ATOL”); Set the limit mode of the instrument as absolute tolerance mode.

  • Page 74: Bin Subsystem Commands

    TH2515 Operation Manual Where, < Reference Resistance > = 0 to 110E+6 (NR3) the reference resistance of the comparator function unit: ” Ω” For example: WrtCmd(“COMP:REF 20E+3”); Set the reference resistance of the instrument comparator function as 20kΩ. Query Syntax: COMParator: REFerence? Return format: the format and unit of <...
  • Page 75 TH2515 Operation Manual The :BIN[:STATe] command sets the state of the instrument comparator. The :BIN[:STATe]? query returns to the current state of the bin comparator. Command syntax: :BIN[:STATe] <ON(1) or OFF(0)> For example：WrtCmd(“:BIN:STAT ON”); Set the bin comparator function as “ON”.
  • Page 76 TH2515 Operation Manual Command syntax: BIN:MODE < ATOLerance or PTOLerance > Where, ATOLerance：set the bin limit modeas absolute tolerance mode PTOLerance：set the bin limit mode as proportional tolerance mode For example: WrtCmd(“BIN:MODE ATOL”); Set the bin limit mode as absolute tolerance mode.
  • Page 77 TH2515 Operation Manual bin comparator result is “GD”. Query Syntax: BIN:COLOr:GD? Return format: <OFF, GRAY, RED or GREEN><NL^END> The :BIN:UPPer command sets the upper threshold of the instrument specific bin. The :BIN:UPPer? query returns to the upper threshold of the specific bin.
  • Page 78 TH2515 Operation Manual For example: WrtCmd(“BIN:REF 1,20E+3”); Set the reference resistance of bin 1 as 20kΩ. Query Syntax: BIN: REFerence?<Bin NO.> Return format: the format and unit of < Reference Resistance ><NL^END> are the same as above. Note: If the reference resistance does not exist, the returned value is “+9.90000E+37”...

  • Page 79: Statistics Subsystem Commands

    TH2515 Operation Manual STATistics Subsystem Commands 7.1.9 Statistics subsystem commands are used to set the statistics funtion of the instrument, including statistics state switch, statistics limit, limit mode and statistics data clear. Command Tree: The :STATistic [:STATe] command sets the statistics state of the instrument.
  • Page 80 TH2515 Operation Manual The :STATistics:MODE? query returns to the current limit mode. Command syntax: STATistics:MODE < ATOLerance or PTOLerance > Where, ATOLerance: set the limit mode of the instrument statistics function as absolute tolerance mode PTOLerance：set the limit mode of the instrument statistics function as proportional tolerance mode For example: WrtCmd(“STAT:MODE ATOL”);...
  • Page 81 TH2515 Operation Manual function. The :STATistics:REFerence? query returns to the current reference resistance. Command syntax: STATistics: REFerence<Reference Resistance> Where, < Reference Resistance > = 0 to 110E+6 (NR3) the reference resistance of the statistics function unit: “Ω” For example: WrtCmd(“STAT:REF 20E+3”); Set the reference resistance of the instrument statistics function as 20kΩ.
  • Page 82 TH2515 Operation Manual Returned value: 1.240E+01 The : STATistics:MAXimum command is used to query the maximum of the statistics results. Query Syntax: :STATistics:MAXimum? Return format: <Maximum (NR3), the corresponding data serial number of the maximum data (NR1)> NOTE: When the valid statistics numbers >= 1, it will returns to the valid value or “+9.90000E+37, 0”.

  • Page 83: Io Subsystem Commands

    TH2515 Operation Manual Return format: <Cp (NR2)>, <Cpk (NR2)> For example: WrtCmd(“:STAT:CP?”) Returned value: 0.86，0.14 IO Subsystem Commands 7.1.10 IO subsystem commands are used to output 8-bit binary data and input 2-bit binary data by handler port. Command Tree: The :IO:OUT command is used to output 8-bit binary data by Handler EXT I/O port.

  • Page 84: System Subsystem Commands

    TH2515 Operation Manual results. The :MEMory[:STATe]? query returns to the current save state. Command syntax： : MEMory [:STATe] <ON(1) or OFF(0)> For example: WrtCmd(“:MEM:STAT ON”); Set the save state of the instrument as “ON”. Query Syntax: : MEMory[:STATe]? Return format: <NR1><NL^END>...
  • Page 85 TH2515 Operation Manual The :SYSTem:BEEPer:STATe command sets the beeper switch state of the instrument. The :SYSTem:BEEPer:STATe? qury returns to the current beeper state. Command syntax： :SYSTem:BEEPer:STATe <ON(1) or OFF(0)> For example: WrtCmd(“:SYST:BEEP:STAT ON”); Set the save state of the instrument as “ON”.
  • Page 86 TH2515 Operation Manual Command syntax： :SYSTem:SAVE <Table NO.1 to 30>，<File name> Where, <Table NO.1 to 30> = 1 to 30 (NR1), the serial number of file to be saved <File name> the filename to be saved (no need with suffix.STA, the length of the file name should be no more than 15 characters) For example: WrtCmd(“:SYST:SAVE 9 filename”);...

  • Page 87: Gpib Common Commands

    TH2515 Operation Manual Query Syntax: :SYSTem:EXTernalout? Return format: < BIN or BCD ><NL^END> BIN: the current output of EXT I/O is “bin comparator results” BCD: the current output of EXT I/O is “BCD code of the measurement results” The :SYSTem:EOC:MODE command sets the EOC output mode of the instrument.
  • Page 88 For example: WrtCmd(“*IDN?”);  The *TST? query executes an internal self test and returns the test result as the sum of all existing errors codes. If there are no error TH2515 returns 0. Query syntax: *TST? Return format: 0<NL^END> Where, 0（NR1 format）...
  • Page 89 TH2515 Operation Manual For example: WrtCmd(“*ESE?”);  The *SRE （Service Request Enable command）command sets each open bit of the service status byte register. This command returns the current setups for each open bit of the status byte permission register. Command syntax: *SRE<value>...
  • Page 90 The *OPC command equals to set the OPC bit of the standard event status register when TH2515 finishes all parameter measurements. Ever since all pending operations have been completed, this command will inform the instrument to add a ASCII number “1” (decimal number: 49) into the output buffer.

  • Page 91: Handler Interface

    TH2515 Operation Manual 8) Handler Interface TH2515 DC Resistance Meter equips with a Handler interface which is mainly used to output the sorting result. When the instrument is applied to an automatic component sorting test system, this interface will output the handshake signal and the sorting result output signal. The sorting result output corresponds to the comparison result output of the current comparator bin.
  • Page 92 TH2515 Operation Manual Input Signal is used to load the internal files. It can load 30 kinds of files in all and the saved file is parameter file. is low-order, while is high-order. File Number NOTE: The file load could not be controlled through RS232 or GPIB...
  • Page 93 TH2515 Operation Manual while this signal transferred from high to low. (1) This signal will be ignored if the trigger of the measurement is internal trigger. (2) This signal will be ignored when it is not measurement interface. (3) This signal will be ignored while loading the file.
  • Page 94 File items. (3) Select the Update File to enter into the update file interface, you will see the appropriate update file names (the update file name of TH2515 is 2515_001), press "Ok" to confirm the upgrade. (4) After updating, the machine will automatically restart, which means the success of the update.
  • Page 95 TH2515 Operation Manual 9) Package Contents and Warranty 9.1 Package Contents Following items should be contained in the package. TH2515 DC Resistance Meter TH26050 4-terminal test cable PT500 Three-Wire power line Operation Manual Manufacturer Certificate Fuse of 2A Test Report Warranty Card Verify that you have received all above items and any optional accessories you may have ordered.
  • Page 96 This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs. Tonghui will, without charge, repair or replace, at its option, defective product or component parts.

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