RS PRO RM-804 Instruction Manual
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RS PRO RM-804 Instruction Manual

D.c. milli-ohm meter
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Instruction Manual
RM-804 & RM-805
D.C. Milli-Ohm Meter
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Summary of Contents for RS PRO RM-804

  • Page 1 Instruction Manual RM-804 & RM-805 D.C. Milli-Ohm Meter...

  • Page 3: Table Of Contents

    Table of Contents Table of Contents SAFETY INSTRUCTIONS ............... 3 GETTING STARTED ............... 8 RM-804/805 Characteristics ..........10 Key Features ..............13 Model Lineup ..............14 Front Panel Overview ............15 Rear Panel Overview ............20 TFT-LCD Overview ............22 Set Up ................
  • Page 4 RM-804 & RM-805 Instruction Manual/English Command Syntax ............123 Command List ..............126 BINNing Commands ............130 Calculate Commands............139 Memory Commands ............151 Sense Commands ............153 Source Commands ............158 Status Commands ............160 System Commands ............162 Temperature Commands ..........

  • Page 5: Safety Instructions

    RM-804/805 in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the RM-804/805. WARNING Warning: Identifies conditions or practices that could result in injury or loss of life.
  • Page 6 Do not disassemble the instrument unless you are qualified as service personnel. (Measurement categories) EN 61010-1:2010 specifies the measurement categories and their requirements as follows. The RM-804/805 doesn’t fall under category II, III or IV.  Measurement category IV is for measurement performed at the source of low- voltage installation.
  • Page 7  Cleaning the Disconnect the power cord before cleaning. RM-804/805  Use a soft cloth dampened in a solution of mild detergent and water. Do not spray any liquid into the instrument.
  • Page 8 RM-804 & RM-805 Instruction Manual/English (Note) EN 61010-1:2010 specifies the pollution degrees and their requirements as follows. The RM-804/805 falls under degree 2. Pollution refers to “addition of foreign matter, solid, liquid, or gaseous (ionized gases), that may produce a reduction of dielectric strength or surface resistivity”.
  • Page 9 SAFETY INSTRUCTIONS Power cord for the United Kingdom When using the oscilloscope in the United Kingdom, make sure the power cord meets the following safety instructions. NOTE: This lead/appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow: Earth...

  • Page 10: Getting Started

    RM-804 & RM-805 Instruction Manual/English ETTING STARTED This chapter describes the RM-804/805 in a nutshell, including its main features as well as its front and rear panels. After going through the panel overview, follow the Power-up sequence before attempting to use the instrument.
  • Page 11 GETTING STARTED Rear Panel Overview ........... 20 TFT-LCD Overview ............22 Set Up ................. 24 Tilt Stand ................... 24 Power Up................... 25 4 Wire Kelvin Connection ............26 Zeroing (Relative Function) ............27 13/10/2016 Version No. 001...

  • Page 12: Rm-804/805 Characteristics

    Easy to Use Each test function on the RM-804/805 can be easily activated by Features pressing a single front panel key. All the settings and measurement results are displayed and set on the TFT-LCD panel at the same time making each function naturally intuitive to use.
  • Page 13 The ability to choose between high accuracy measurements at 10 samples/sec (full scale at 50000 counts) or high speed measurements at 60 samples/sec (full scale at 50000 counts), allows the RM-804/805 the flexibility to fulfill a number of different measurement roles. Advanced...
  • Page 14 RM-805 only. Automatic For automatic testing The RM-804/805 has a handler interface designed for automatic testing. The handler interface outputs the Testing status of PASS, FAIL, HI, LO, READY and EOT signals and inputs a trigger control signal.

  • Page 15: Key Features

    GETTING STARTED Key Features  Performance 50,000 counts Measurement Range: 50mΩ~5MΩ   Accuracy of up to 0.05%  Compare function  Binning function  Manual or Auto-ranging  Continuous or Triggered measurement modes  Temperature measurement, temperature compensation and temperature conversion ...

  • Page 16: Model Lineup

    ✔ ✔ ✔ Interface * The RM-804G is simply the RM-804 with the factory-installed GPIB option. Please note that the GPIB option cannot be user-installed on the RM-804. The option must be ordered prior to purchase. 13/10/2016 Version No. 001...

  • Page 17: Front Panel Overview

    GETTING STARTED Front Panel Overview Arrow keys, Function LCD display ESC key Enter keys Compare Binning terminal TEMP Enter TCONV Speed GUARD Scan Trigger GUARD terminal Display Local Diode Range Drive POWER SOURCE SENSE SENSE SOURCE Compare Binning TEMP Enter TCONV Speed Sense-, Source-...
  • Page 18 RM-804 & RM-805 Instruction Manual/English When measuring components with polarity, CAUTION connect Source+ to the positive potential and connect Source- to the negative potential of the component. Discharge any DUT before measurement to WARNING avoid damaging the RM-804/805. Connect the GND (ground) terminal to the GND Terminal earth ground.
  • Page 19 GETTING STARTED The TC key activates the TC (temperature compensation) function which calculates the resistance of a DUT at a specified temperature given the resistance of the DUT at the ambient temperature and the temperature coefficient of the DUT is known. TCONV The TCONV (Temperature Conversion) function calculates the temperature of a DUT...
  • Page 20 RM-804 & RM-805 Instruction Manual/English The Dry key is used to turn on the dry circuit measurement mode which allows the RM- 805 to measure the contact resistance of switches and connectors according to DIN IEC 512 and ASTM B539 standards. RM-805 only.
  • Page 21 Zero. In particular, the Zero setting can be used as a +/-10mV DC voltmeter to measure the EMF of passive components. RM-805 only. The drive signal is fixed to DC+ on the RM-804. Range Long pressing the Range key will activate the auto ranging mode.

  • Page 22: Rear Panel Overview

    RM-804 & RM-805 Instruction Manual/English Rear Panel Overview GPIB port RS232 port Handler/Scan/Ext I/O GPIB RS232 HANDLER / SCAN / EXT I/O 240V , 50 60Hz 25VA MAX TC SENSOR WARNING USB B TO AVOID SHOCK, REMOVE INPUTS BEFORE OPENING.
  • Page 23 GETTING STARTED USB device port for remote control. USB Device Port HANDLER / SCAN / EXT I/O Handler / Scan / The Handler / Scan / EXT I/O port is EXT I/O Port used to output pass/fail/high/low comparison results. This port is also used for the user-programmable EXT I/O pins.

  • Page 24: Tft-Lcd Overview

    RM-804 & RM-805 Instruction Manual/English TFT-LCD Overview Function mode Range Trigger mode Rate Remote mode Average Dry circuit Remote error Drive signal value Memory value number Function Main Control measuremen indicators tdisplay Function mode settings Secondary menus Function Control The function control indicators show all the currently active...
  • Page 25 GETTING STARTED Shows the relative (nominal) reference value Number of samples used for the Average function. Indicates that the dry circuit function is active Indicates a remote command error Indicates that the unit is in remote control mode Indicates which memory setting has been Mem No.

  • Page 26: Set Up

    RM-804 & RM-805 Instruction Manual/English Set Up Tilt Stand Tilt To tilt, pull the legs forward, as shown below. Stand Upright To stand the scope upright, push the legs back under the casing as shown below. 13/10/2016 Version No. 001...

  • Page 27: Power Up

    GETTING STARTED Power Up Ensure that the input AC power voltage is within the range of 1. Connection 100~240 V. Connect the power cord to the AC Voltage input. Ensure the ground connector of the power cord is connected to a CAUTION safety ground.

  • Page 28: Wire Kelvin Connection

    The display will light up and show the last setting used before the last shut down. Example: Resistance measurement mode 4 Wire Kelvin Connection Background The RM-804/805 uses 4 wire Kelvin connections for accurate measurements. SOURCE SENSE SENSE SOURCE Connection Diagram...

  • Page 29: Zeroing (Relative Function)

    Monitors the negative (-) potential. Guard Grounds the shielding layer of the test lead cables to reduce noise. Provides a reference ground for the RM-804/805. Zeroing (Relative Function) The Relative function is used to perform a zero adjustment on the Background test leads.
  • Page 30 RM-804 & RM-805 Instruction Manual/English The Relative function cannot be used with the Scan or Diode Note functions. Short the test cables together as shown in the diagram below: 1. Short the cables SOURCE SENSE SENSE SOURCE Source+ Source- /Sense+...

  • Page 31: Measurement

    MEASUREMENT EASUREMENT Compare Binning Enter TCONV TEMP Speed Scan Trigger Display Local Diode Drive Range Resistance Measurement ..........31 Select the Resistance Range ............ 32 Measuring Signal (Drive) Overview .......... 33 Select Measuring Signal (Drive) ..........36 Select Measurement Rate ............38 Display Mode ................
  • Page 32 RM-804 & RM-805 Instruction Manual/English Temperature Measurement .......... 57 Temperature Compensation ......... 59 Temperature Conversion ..........63 Measurement Settings ..........68 Average Function ..............68 Measure Delay ................69 Trigger Delay ................70 Trigger Edge ................72 Temperature Unit ..............73 Ambient Temperature ...............

  • Page 33: Resistance Measurement

    MEASUREMENT Resistance Measurement 1. Select the Press to access the Resistance measurement mode. Resistance function. Ohm measurement Resistance range 2. Resistance function indicator and mode mode display appears. Ohm measurement 3. Connect the 4-wire resistance: test lead and Use the SOURCE + and the SOURCE - terminal for measure measurement, and the SENSE +, and SENSE - terminal for sensing.

  • Page 34: Select The Resistance Range

    RM-804 & RM-805 Instruction Manual/English SOURCE SOURCE SENSE SENSE GUARD shielding When switching between measurement ranges, please allow a Note moment for the circuits to settle before measuring. Ohm range Select the Resistance Range Background The resistance range can be used with normal resistance measurement as well as the temperature compensation function.

  • Page 35: Measuring Signal (Drive) Overview

    DC+, DC-, Pulse, PWM, Zero. These 5 signals are described in below. . The Drive function is only applicable to the RM-805. The Drive Note signal for the RM-804 is fixed to DC+ 13/10/2016 Version No. 001...
  • Page 36 RM-804 & RM-805 Instruction Manual/English Default drive signal. Open circuit ~ +6.5V voltage Negative drive signal. Open circuit ~ -6.5V voltage Pulse This mode can be used to 50ms ~+6.5V eliminate the thermoelectric EMF formed on the contact between a ~-6.5V...
  • Page 37 MEASUREMENT Zero In this mode, RM-805 outputs no measuring signal on the Source loop; therefore, the Sense loop can be used as a voltage meter which can measure up to +/-10mV for thermoelectric EMF measurement. This function is useful for measuring the Vemf of thermocouple wires.

  • Page 38: Select Measuring Signal (Drive)

    Resistance measurement has 5 different measuring signals that can be applied to obtain a resistance measurement: DC+, DC-, Pulse, PWM, Zero. The Dive function is only applicable to the RM-805. The drive Note signal for the RM-804 is fixed to DC+. 13/10/2016 Version No. 001...
  • Page 39 MEASUREMENT The Drive function cannot be used with the Scan or Diode functions. In addition, the “Zero” drive setting is only available with the Ohm measurement function. Drive 1. Select Drive Press the key and use the up and down arrow keys to select a drive signal.

  • Page 40: Select Measurement Rate

    RM-804 & RM-805 Instruction Manual/English Select Measurement Rate Background The resistance measurement speed has 2 ranges: slow and fast. Slow speed is the most accurate with 10 measurements/second. Fast speed has 60 measurements/second. Both have the same measurement resolution. The rate selection function is not applicable in Diode measurement mode.

  • Page 41: View Real-Time Measurement

    MEASUREMENT Display 1. Toggle Press the key to toggle the display between normal Display mode and simplified. The display will change accordingly. Simplified Measurement mode Display Mode Example Measurement View Real-Time Measurement Background When measurements are smoothed using the averaging function, the RT key can be used to view the real-time results in addition to the averaged results.

  • Page 42: Dry-Circuit Measurement

    RM-804 & RM-805 Instruction Manual/English Real-time measurement Dry-Circuit Measurement Background The Dry Circuit measurement function is used where the maximum open-circuit voltage must be kept to a minimum for applications such as measuring the contact resistance of switches, relays and connectors. The RM-805 provides a maximum of up to 20mV in this mode.
  • Page 43 MEASUREMENT breakdown of any oxides that may be present on the contacts. In this mode the open circuit measuring voltage is limited <20mV, while modes like DC+ or pulse mode can have an open circuit measuring voltage as high as 6.5V. The Dry Circuit function cannot be used with the Scan or Diode functions.

  • Page 44: Using The Trigger Function

    Dry Circuit measurement mode indicator Using the Trigger Function Background The RM-804/805 can use internal or manual triggering for the Resistance, Temperature, Temperature Compensation, Temperature Conversion, Binning, Handler and Scan modes. By default the RM-804/805 is set to internal triggering mode.

  • Page 45: Diode Function

    MEASUREMENT trigger is active. Trigger source Trigger 2. Manually Short press the key each time you want to start a single Triggering measurement (when in the manual mode). Measurements Trigger 3. Internal Long press to return the triggering mode back to internal Triggering mode.
  • Page 46 RM-804 & RM-805 Instruction Manual/English Diode function indicator 2. Diode mode appears. Forward bias voltage 3. Connect the Connect the Sense+, Source+ to the anode. test lead and Connect the Sense-, Source- to the cathode. measure SOURCE SENSE SENSE SOURCE...

  • Page 47: Compare Function

    MEASUREMENT Compare Function Background The Diode function can be used to measure the forward bias voltage of a diode under test. The compare function compares a measured value to a “Reference” value that has an upper (HI) and lower (LO) limit. If the measured value is within the upper and lower limit, then the measured value is judged as IN.
  • Page 48 RM-804 & RM-805 Instruction Manual/English considered IN (pass), a value that falls below the lower limits is considered LO, and a value that falls over the upper limit is a HI. Lower Reference Upper limit value limit [Note that the reference value in the ABS mode is only for reference purposes and is not used to make a judgment.]...
  • Page 49 MEASUREMENT A measured value that falls within the upper and lower limits is considered IN (pass), a value that falls below the lower limits is considered LO, and a value that falls over the upper limit is a HI. Lower Reference Upper limit...
  • Page 50 RM-804 & RM-805 Instruction Manual/English considered IN (pass), a value that falls below the lower limits is considered LO, and a value that falls over the upper limit is a HI. Lower Reference Upper limit value limit For all the compare modes, IN, HI or LO will be shown on the display for each judgment.
  • Page 51 MEASUREMENT unit. Press Enter to confirm the setting. Move and edit Select and Enter confirm Reference 000.0001~ 999.9999 (mΩ/Ω/kΩ/MΩ) Range: After setting the Reference value, the displayed △, % or△% Note values will be changed to reflect the new Reference value setting. 4.
  • Page 52 RM-804 & RM-805 Instruction Manual/English The upper limit must be higher than the lower limit. Not setting the Note upper limit higher than the lower limit is not allowed. Likewise the lower limit cannot be set higher than the upper limit.

  • Page 53: Binning Function

    MEASUREMENT Binning Function Background The Binning function is used to grade DUTs into eight different bins according to 8 sets of upper and lower limits. Two compare modes can be used in this function, ABS and △% modes. Binning function Grading results indicator Upper and lower...
  • Page 54 RM-804 & RM-805 Instruction Manual/English Move Enter Toggle Mode setting ABS Mode The ABS mode allows you to set the upper and lower limits of each bin as absolute resistance values. △% The Delta % mode allows you to set the upper and lower limits of each bin as percentage value from the reference value.
  • Page 55 MEASUREMENT Range: 000.0001~ 999.9999 (mΩ/Ω/kΩ/MΩ) 4. Upper & lower Use the arrow keys to go to the upper limit of the first bin and limit settings press Enter. Use the Left and Right arrow keys to select a digit. Use the Up and Down arrow keys to edit the value of the selected digit and unit.
  • Page 56 RM-804 & RM-805 Instruction Manual/English Move Enter Toggle Beep setting Beep Setting: Off, Pass, Fail The Beep setting can also be set from the Note System>Utility>Beep>Binning menu. 6. To start The binning function starts automatically if you are in internal binning trigger mode.
  • Page 57 MEASUREMENT Grading results: Green = IN Red = OUT Measurement The Count display mode tabulates the results on the right-hand side of the display and shows the bin settings on the left. Tabulated result of each bin Overall results Clear results Upper and lower limits of Bin 1~8 To toggle the display mode, go to the Disp setting and press...
  • Page 58 RM-804 & RM-805 Instruction Manual/English Move Enter Toggle Disp setting 8. How to clear When in the Count display mode, press the key. Go to the result count the Clear setting and press Enter. The accumulated results will be cleared from the display.

  • Page 59: Temperature Measurement

    MEASUREMENT Temperature Measurement Background The temperature measurement function uses the optional PT-100 temperature probe. The measured temperature is displayed on the display. For more information on the optional PT-100 sensor, There is only one range for the temperature function. However the resistance measurement range can still be changed when in the temperature function.
  • Page 60 RM-804 & RM-805 Instruction Manual/English The temperature is displayed on the Ohm display. 2. Select the From the bottom menu, go to Meas. Setup>Temperature Unit and temperature select ºC or ºF. units 3. Ambient The Ambient temperature setting should be turned off when using Temperature the temperature function.

  • Page 61: Temperature Compensation

    MEASUREMENT Temperature Compensation Background If the resistance of a DUT at a particular temperature is needed, the compensation function can be used. This function can simulate the resistance of a DUT at a desired temperature. If the ambient temperature and the temperature coefficient of the DUT are known, it is possible to determine the resistance of a DUT at any temperature.
  • Page 62 RM-804 & RM-805 Instruction Manual/English mode The temperature-compensated resistance measurement will appear on the display. Temperature Extrapolated resistance compensation measurement at the desired function indicator (“correct”) temperature Ambient temperature source Ambient temperature Correct Temperature, Temperature Coefficient settings 2. Ambient The ambient temperature can be either measured with the PT- Temperature 100 sensor or be set manually.
  • Page 63 MEASUREMENT 3. Temperature Use arrow keys to go to Correct Temperature or to Temperature compensation Coefficient and press Enter to select the setting. To edit the setting values use the left and right arrow keys to select a digit and use the up and down arrow keys to edit the digit.
  • Page 64 RM-804 & RM-805 Instruction Manual/English 4. Temperature Sensor Connection: compensation GPIB RS232 HANDLER / SCAN / EXT I/O PT-100 temperature connection 240V , 50 60Hz 25VA MAX sensor TC SENSOR WARNING TO AVOID SHOCK, REMOVE INPUTS BEFORE OPENING. SER.NO. LABEL...

  • Page 65: Temperature Conversion

    MEASUREMENT Temperature Conversion Background The Temperature Conversion function allows you to determine the temperature change of a DUT at any given resistance, if the initial temperature, the inferred zero resistance temperature for the DUT and the initial resistance of the DUT are known. The displayed result can also be the extrapolated to calculate the final temperature (T) or the extrapolated temperature difference (△T)*.
  • Page 66 RM-804 & RM-805 Instruction Manual/English measured. T can either by manually measured with the PT-100 sensor or it can be manually set. (△T) Extrapolated temperature difference = T - T **“Constant” setting on the panel display is equivalent to the absolute value of the inferred zero resistance temperature.
  • Page 67 MEASUREMENT Temperature The temperature-converted measurement will appear on the compensation display. mode Temperature conversion function Resistance measurement indicator (Ambient) temperature source Extrapolated temperature difference or final temperature 2. Initial Use the arrows keys to go to Initial Resistance, Initial Resistance, Temperature or Constant (inferred initial resistance temperature) Initial and press Enter.
  • Page 68 RM-804 & RM-805 Instruction Manual/English 000.0001~999.9999 mΩ, Ω, kΩ, MΩ Initial Resistance Initial Temperature -50.0 ~ +399.9 ºC Constant 000.0~999.9 3. Display mode Use the arrow keys to go to Disp. Press Enter to toggle between the T and △T modes.
  • Page 69 MEASUREMENT DUT connection: 4 wire Kelvin SOURCE SENSE SENSE SOURCE GUARD shielding 13/10/2016 Version No. 001...

  • Page 70: Measurement Settings

    RM-804 & RM-805 Instruction Manual/English Measurement Settings Background The following measurement settings are used to configure the various measurement modes. Average Function Background The average function smoothes measurements using a moving average. The average function sets the number of samples used for the moving average;...

  • Page 71: Measure Delay

    MEASUREMENT Average settings Average OFF, ON: 2~100 Pressing ESC before pressing ENTER will exit the Average Note function settings. Measure Delay Background The Measure Delay setting inserts a delay time between each measurement. Measure delay is turned off by default. Measurement start with Measure delay time Test signal...

  • Page 72: Trigger Delay

    RM-804 & RM-805 Instruction Manual/English avoid the effects of transient disturbances that are usually seen when measuring reactive DUTs with a current source. 1. Select From one of the main screens, press the Meas. Setup menu icon Measure setting key so that the menu system at the bottom of the display has focus.
  • Page 73 MEASUREMENT Background The Trigger Delay setting adds a delay to when an external trigger signal is recognized. Normally the external trigger is recognized when there is no contact bounce in the signal for a fixed length of time, this time is known as the bounce monitoring window.

  • Page 74: Trigger Edge

    RM-804 & RM-805 Instruction Manual/English 1. Select Trigger From one of the main screens, press the Meas. Setup menu icon Delay setting key so that the menu system at the bottom of the display has focus. Move Go to Meas. Setup and press Enter.

  • Page 75: Temperature Unit

    MEASUREMENT 1. Select Trigger From one of the main screens, press the Meas. Setup menu icon Edge setting key so that the menu system at the bottom of the display has focus. Move Go to Meas. Setup and press Enter. Go to Trigger Edge and press Enter.

  • Page 76: Ambient Temperature

    RM-804 & RM-805 Instruction Manual/English 1. Select From one of the main screens, press the Meas. Setup menu icon Temperature key so that the menu system at Unit setting the bottom of the display has focus. Move Go to Meas. Setup and press Enter.

  • Page 77: Line Frequency

    MEASUREMENT 1. Select From one of the main screens, press the Meas. Setup menu icon Ambient key so that the menu system at Temperature the bottom of the display has focus. setting Move Go to Meas. Setup and press Enter. Go to Ambient Temperature and press Select menu Enter...

  • Page 78: Pwm Setting

    RM-804 & RM-805 Instruction Manual/English 1. Select Line From one of the main screens, press the Meas. Setup menu icon Frequency key so that the menu system at setting the bottom of the display has focus. Move Go to Meas. Setup and press Enter.
  • Page 79 MEASUREMENT 1. Select PWM From one of the main screens, press the Meas. Setup menu icon setting key so that the menu system at the bottom of the display has focus. Move Go to Meas. Setup and press Enter. Go to PWM and press Enter. Select menu Enter or setting...

  • Page 80: System Settings

    RM-804 & RM-805 Instruction Manual/English System Settings Background The System settings are used to view the system information, set the power on state, the remote interface, screen brightness, external interface and beep settings as well as access the calibration menu.

  • Page 81: Power On Status Setup

    MEASUREMENT System Information Pressing ESC will exit from the System menu. Note Power On Status Setup Background The Power On Status Setup allows you to either load the previous settings or the default settings on startup. 1. Select Power From one of the main screens, press the System menu icon On Status...

  • Page 82: Interface

    RM-804 & RM-805 Instruction Manual/English appears Power On Status Setup Power On Status Recall Previous Settings, Load Default Pressing ESC before pressing ENTER will exit the Power On Note Status Setup. Interface Background The remote interface can be set to RS232, GPIB or USB.

  • Page 83: Brightness

    MEASUREMENT 2. Interface Use the arrow keys to choose an interface and to set the baud setting appears rate (RS232) or primary address (GPIB). The EOL (end of line) character can also be set. Press Enter to confirm the settings. Interface Power On Status GPIB, Primary Address (1 ~ 30)

  • Page 84: User Define Pins

    RM-804 & RM-805 Instruction Manual/English 1. Select From one of the main screens, press the System menu icon Brightness key so that the menu system at setting the bottom of the display has focus. Go to System and press Enter.
  • Page 85 MEASUREMENT settings can be based on the pass, fail, high, low or bin grade results of the selected function. 1. Select From one of the main screens, press the System menu icon External I/O key so that the menu system at Setting the bottom of the display has focus.

  • Page 86: Handler Mode

    *The OFF operator sets the Logic as true when Operand1 is true. ** Bin O is defined as outside bin 1~ 8. The Bin logic settings are not available for the RM-804. Note Pressing ESC before pressing ENTER will exit from the selected External I/O setting.
  • Page 87 MEASUREMENT Clear example Clear: All result signals (PASS, Fail, High and Low) are cleared at the falling edge of EOT and the results from the current test are output at the rising edge of the EOT signal. EOT falling EOT rising edge edge Trigger...
  • Page 88 RM-804 & RM-805 Instruction Manual/English EOT falling EOT rising edge edge Trigger Ready Pass Fail High New results Previous Previous results results held 1. Select From one of the main screens, press the System menu icon External I/O key so that the menu system at setting the bottom of the display has focus.

  • Page 89: Beep

    MEASUREMENT Handler Mode Handler Mode HOLD, CLEAR Pressing ESC before pressing ENTER will exit from the Handler Note Mode setting. Beep Background The Beep setting will configure the beeper sound for the key presses, the Compare function and the Binning function. For the Compare and Binning function the beep can be configured to beep on a pass or fail judgment.
  • Page 90 RM-804 & RM-805 Instruction Manual/English 2. Beep menu Use the arrow keys to choose a beep setting and press Enter. appears Use the arrow keys to set the selected setting and press Enter to confirm. Key Click Setting Compare Setting...

  • Page 91: Handler/Scan Interface

    HANDLER/SCAN INTERFACE ANDLER/SCAN INTERFACE Handler Overview ............90 Pin Definitions for the Handler Interface ........91 Handler Interface for Binning and Compare Functions ..... 91 Scan Overview ............. 94 Pin Definitions for the Scan Interface ........95 Scan Interface ................95 Scan Setup ................

  • Page 92: Handler Overview

    RM-804 & RM-805 Instruction Manual/English Handler Overview Background The Handler interface is used to help grade components based on the Compare or Binning function test results. The appropriate pins on the handler interface are active when the Compare or Binning function is used.

  • Page 93: Pin Definitions For The Handler Interface

    HANDLER/SCAN INTERFACE High when the compare result is deemed LO. High when the compare result is deemed HI. HIGH High when the compare result is either HI or LO FAIL (fail). High when the compare result is IN (pass). PASS For the full pin definition, please refer to the table listed below.
  • Page 94 RM-804 & RM-805 Instruction Manual/English 1, 17 Reserved Trigger Trigger for a single measurement. 3, 14, 18 GND Ground. Fail High when the compare result is Compare either HI or LO (fail). High High when the compare result is Compare deemed HI.
  • Page 95 HANDLER/SCAN INTERFACE Ready High when the measurement has Ext trigger finished. The instrument is ready for mode the next trigger. Bin6 High when the binning sorting result Binning is within the bin6 setting range. High when the compare result is Compare deemed LO.

  • Page 96: Scan Overview

    RM-804 & RM-805 Instruction Manual/English Scan Overview Background The Scan function is used to automatically bin groups of up to 100 components. The associated pins in the handler interface are active when the Scan function is activated. There are a total of 6 outputs, 3 inputs as well as a GND and power (+5V) pin.

  • Page 97: Pin Definitions For The Scan Interface

    HANDLER/SCAN INTERFACE Pin Definitions for the Scan Interface As this interface is used for the handler and scan functions, the interface pinout depends on the function mode. The following pinout is only applicable when using the Scan function. HANDLER / SCAN / EXT I/O Scan Interface Name Description In/ Out...

  • Page 98: Scan Setup

    RM-804 & RM-805 Instruction Manual/English Relay Controls the relay output. STRB After all (up to 100) output groups are ready, the STRB signal will pulse high. Scan Setup Background The Scan function sequentially scans up to 100 channels and grades the resistance of the DUT on each channel to a reference value.
  • Page 99 HANDLER/SCAN INTERFACE Grading of each DUT is essentially the same as the compare function, the difference being the Scan function will compare up to 100 DUTs sequentially, whereas the Compare function will compare only one DUT at a time. The scan function compares a measured value to a “Reference” value that has an upper (HI) and lower (LO) limit.
  • Page 100 RM-804 & RM-805 Instruction Manual/English For both scan modes, the IN, HI or LO will be shown on the display for each judgment (if the time between each judgment is not too fast). Scan function Ready to start scan Display...
  • Page 101 HANDLER/SCAN INTERFACE 2. Select the Use the arrow keys to navigate to the Mode setting. Press the compare mode Enter key to toggle the compare mode. Move Toggle Enter Mode Abs, △% Range 3. Channel The Channel setting sets the number of DUT channels that are setting used.
  • Page 102 RM-804 & RM-805 Instruction Manual/English 4. Delay setting The Delay setting adds a pause between each channel measurement. The Use the arrow keys to navigate to the Delay setting and press Enter. Use the left and right arrow keys to select a digit. Use the up and down arrow keys to edit the value of the selected digit.
  • Page 103 HANDLER/SCAN INTERFACE Scan function Measured value indicator Pass/Fail judgment Change display view Reference, limits, scan mode, current channel, measurement delay 6. View Results After the last SCAN test has finished, press the key so View that the menu system at the bottom display results of the display has focus.
  • Page 104 RM-804 & RM-805 Instruction Manual/English Measurement Channel number results Pass/High/Low (P/H/L) judgment results Return to the previous window Previous Next results results page page 13/10/2016 Version No. 001...

  • Page 105: Scan Output

    HANDLER/SCAN INTERFACE Scan Output Background The timing diagrams for the scan output under different conditions are shown below. . Ready message displayed… After the manual trigger key is pressed…. Relay Relay Pass Pass High High Clock Clock STRB STRB Scan channel 1. Delay time has elapsed. Scan channel n. Delay time has elapsed. Relay Relay Pass...
  • Page 106 RM-804 & RM-805 Instruction Manual/English Data Relay Pass Pass 20us STRB 20us High 168us 38us Clock STRB 13/10/2016 Version No. 001...

  • Page 107: Configure Interface

    Configure Interface Overview The RS-232 and USB interfaces are standard for all models, however the GPIB interface is only applicable for the RM-804G and RM-805. The remote control interfaces allow the RM-804/805 to be programmed for automatic testing. Interface USB Device...

  • Page 108: Install Usb Driver

    Configure the interface to USB in System>Utility>Interface menu. USB driver Connect the Type A-B USB cable to the rear panel USB B port on the RM-804/805. Connect the other end to the Type A port on the PC. Go to the Windows Device Manager.

  • Page 109: Configure Rs-232 Interface

    The RM-805 and the COM port that it is assigned to will now appear in under the Ports (COM & LPT) node. Configure RS-232 Interface Background The RM-804/805 can also use an RS-232C connection for remote control. When connecting to a PC ensure the correct baud rate, 13/10/2016 Version No. 001...
  • Page 110 RM-804 & RM-805 Instruction Manual/English parity, data bits, stop bit and data control settings are used. Baud rate 1200, 2400, 4800, 9600, 19200, 38400, Settings 57600, 115200 Parity None Data bits Stop bit Data flow control None 1. Select the...

  • Page 111: Configure Gpib Interface

    HANDLER/SCAN INTERFACE Pin2 Pin2 Pin3 Pin3 Pin5 Pin5 Configure GPIB Interface Background The GPIB interface is SCPI-1994, IEEE488.1 and IEEE488.2 compliant. The GPIB interface is only available on the RM-804G and RM- Note 805. 1. Select the Configure the interface to GPIB and set the GPIB address in GPIB address System>Utility>Interface menu.

  • Page 112: Using Realterm To Establish A Remote Connection

    RM-804 & RM-805 Instruction Manual/English parity accordingly. To check the COM settings in Windows, see the Device Manager. For example, in WinXP go to the Control panel → System → Hardware tab. Run this query from the terminal. *idn? This should return the Manufacturer, Model number, and Firmware version.
  • Page 113 Download Realterm and install according to the instructions on Realterm the Realterm website. 2. Configure Connect the RM-804/805 via USB or via RS232. connection If using RS232, make note of the configured baud rate. Go to the Windows device manager and find the COM port number for the connection.
  • Page 114 Enter the Baud, Parity, Data bits, Stop bits and Port number configuration for the connection. The Hardware Flow Control and Software Flow Control options can be left at the default settings. Press Open to connect to the RM-804/805. 4. Test remote Click on the Send tab. 13/10/2016 Version No. 001...
  • Page 115 The terminal display will return the following: RS PRO, RMXXXX,V1.00 (manufacturer, model, serial number, version) 5. Errors or If Realterm fails to connect to the RM-804/805, please check all Problems the cables and settings and try again. 13/10/2016 Version No. 001...

  • Page 116: Gpib Function

    RM-804 & RM-805 Instruction Manual/English GPIB Function Background Please use the National Instruments Measurement & Automation Controller software to confirm GPIB/LAN functionality. See the National Instrument website, http://www.ni.com for details. 1. Operation Start the NI Measurement and Automation Explorer (MAX) program. Using Windows, press: Start>All Programs>National Instruments>Measurement &...
  • Page 117 HANDLER/SCAN INTERFACE Step b. Press the Scan for Instruments button. Step c. In the Connected Instruments panel the RM-804/805 should be detected as Instrument 0 with the address the same as that configured on the unit. Step d. Double click the Instrument 0 icon.
  • Page 118 RM-804 & RM-805 Instruction Manual/English Step h. The String Received text box will display the query return: RS PRO,RM805,GXXXXXXXX,V1.00 (manufacturer, model, serial number, version) RS PRO, RM805, GXXXXXXX, V1.00 The function check is complete. 13/10/2016 Version No. 001...

  • Page 119: Save/Recall

    The save function saves the current function as well the settings related to that function. There are 20 memory slots that can be used to save and recall settings on the RM-804/805 1. Enter the When you are in the desired function mode, press the...
  • Page 120 RM-804 & RM-805 Instruction Manual/English Function mode Memory setting Move Select menu Enter or setting The Recall/Save Setup menu will appear. 2. Save/ The No. setting should be already highlighted when entering the Recall/Clear Recall/Save Setup menu. If not, use the Left/Right arrow keys to...
  • Page 121 SAVE/RECALL Memory highlight the No. setting. No. setting Recall, Save, Clear settings Select and Move Enter confirm and edit Use the up and down arrow keys to select a memory space. Range 01~20 *If a memory space has been used before, the settings for that memory slot will also be shown on the display.
  • Page 122 RM-804 & RM-805 Instruction Manual/English Press Enter again when asked to confirm the selected operation. After saving the settings, press ESC to return to the current function mode. After recalling settings, the unit will automatically go to the recalled setting function.
  • Page 123 SAVE/RECALL Press Enter Enter Settings in selected memory slot Available memory slots in red. Used memory slots in black. The memory number can also be selected when in the above Note view using the arrow keys. 13/10/2016 Version No. 001...

  • Page 124: Command Overview

    RM-804 & RM-805 Instruction Manual/English OMMAND OVERVIEW The Command overview chapter lists all the programming commands in alphabetical order. The command syntax section shows you the basic syntax rules you have to apply when using commands. Command Syntax ............123 Command List ............

  • Page 125: Command Syntax

    COMMAND OVERVIEW Command Syntax Compatible IEEE488.2, 1992 (fully compatible) standard SCPI, 1994 (partially compatible) Command Structure SCPI (Standard Commands for Programmable Instruments) commands follow a tree-like structure, organized into nodes. Each level of the command tree is a node. Each keyword in an SCPI command represents each node in the command tree.
  • Page 126 RM-804 & RM-805 Instruction Manual/English Query A query is a simple or compound command followed by a question mark (?). A parameter (data) is returned. Example SENSe:RANGe? Command forms Commands and queries have two different forms, long and short. The command syntax is written with the short form of the command in capitals and the remainder (long form) in lower case.
  • Page 127 COMMAND OVERVIEW 3: parameter Common Input Type Description Example Parameters <Boolean> Boolean logic <NR1> integers 0,1,2,3 <NR2> decimal numbers 0.1,3.14,8.5 <NR3> floating point with 4.5e-1,8.25e+1 exponent <NRf> Any of NR1,2,3 1,1.5,4.5e-1 <string> ASCII text string TEST_NAME Message Terminator Marks the end of a command line. The following messages are (EOL) in accordance with IEEE488.2 standard.

  • Page 128: Command List

    RM-804 & RM-805 Instruction Manual/English Command List BINNing Commands ..............130 BINNing:COUNt:CLEar ............130 BINNing:COUNt:TOTal ............130 BINNing:COUNt:OUT .............. 131 BINNing<X>:COUNt:RESult ........... 131 BINNing<X>:LIMit:LOWer ............132 BINNing<X>:LIMit:UPPer ............132 BINNing<X>:PERCent:LOWer ..........133 BINNing<X>:PERCent:UPPer ..........134 BINNing:LIMit:BEEPer ............135 BINNing:LIMit:DISP ..............135 BINNing:LIMit:MODE ..............
  • Page 129 COMMAND OVERVIEW CALCulate:SCAN:LIMit:MODE ..........146 CALCulate:SCAN:LIMit:REFerence ........147 CALCulate:SCAN:LIMit:UPPer ..........148 CALCulate:SCAN:PERCent:LOWer ........149 CALCulate:SCAN:PERCent:UPPer ........149 Memory Commands ..............151 MEMory:CLEar ................ 151 MEMory:RECall ............... 151 MEMory:SAVe ................. 151 MEMory:STATe ............... 152 Sense Commands ..............153 SENSe:AUTo ................153 SENSe:DISPlay ..............
  • Page 130 RM-804 & RM-805 Instruction Manual/English SYSTem:BRIGhtness ............. 163 SYSTem:ERRor ..............163 SYSTem:HANDler ..............164 SYSTem:KEYClick:BEEPer ............ 164 SYSTem:LFRequency ............165 SYSTem:LOCal ............... 165 SYSTem:MDELay:DATa ............166 SYSTem:MDELay:STATe ............167 SYSTem:PWM:ON ..............167 SYSTem:PWM:OFF ..............168 SYSTem:SERial ..............168 SYSTem:VERSion ..............169 Temperature Commands ............
  • Page 131 COMMAND OVERVIEW TRIGger:DELay:STATe ............179 TRIGger:SOURce ..............180 Userdefine Commands .............. 181 USERdefine<X>:ACTive ............181 USERdefine<X>:FIRStdata............. 181 USERdefine<X>:LOGic ............182 USERdefine<X>:SEConddata ..........183 IEEE 488.2 Common Commands ..........184 *CLS ..................184 *ESE ..................184 *ESR ..................185 *IDN ..................185 *OPC ..................

  • Page 132: Binning Commands

    RM-804 & RM-805 Instruction Manual/English BINNing Commands Binning commands are only applicable to RM-805 . BINNing:COUNt:CLEar Query Description Clear all bin sorting function test result counts. Syntax BINNing:COUNt:CLEar Parameter <None> BINNing:COUNt:TOTal Query Description Returns the total number (count total) of test bin results.

  • Page 133: Binning:count:out

    COMMAND OVERVIEW BINNing:COUNt:OUT Query Description Returns the number of failed (judged OUT) test results for the bin sorting function test. Query Syntax BINNing:COUNt:OUT? Return Parameter <None> 0~999999999 Example BINN:COUN:OUT? >50 Indicates that the number of failed test results is 50. BINNing<X>:COUNt:RESult Query Description...

  • Page 134: Binning:Limit:lower

    RM-804 & RM-805 Instruction Manual/English BINNing<X>:LIMit:LOWer Query Description Sets or returns the lower limit value (absolute value) for the selected bin. Syntax BINNing<X>:LIMit:LOWer {<NRf>[,<String>]} Query Syntax BINNing<X>:LIMit:LOWer? Parameter <X> <NRf> 000.0000~999.9999 <String> mohm/ohm/kohm/maohm,unit If the unit is not set, the unit will be automatically set by the present range.

  • Page 135: Binning:Percent:lower

    COMMAND OVERVIEW Syntax BINNing<X>:LIMit:UPPer {<NRf>[,<String>]} Query Syntax BINNing<X>:LIMit:UPPer? Parameter <X> <NRf> 000.0000~999.9999 mohm/ohm/kohm/maohm,unit <String> If the unit is not set, the unit will be automatically set by the present range. 000.0000~999.9999E±X Return parameter <NR3> Example BINN1:LIM:UPP 0.95,maohm Sets bin1 upper limit value to 0.95MΩ. BINN1:LIM:UPP? >0.9500E+6 Returns the upper limt as 0.95MΩ.

  • Page 136: Binning:Percent:upper

    RM-804 & RM-805 Instruction Manual/English <NRf> 000.00~999.99 Return parameter <NR2> 000.00~999.99 Example BINN1:PERC:LOW 10.15 Sets the bin1 lower limit percent value to -10.15%. BINN1:PERC:LOW? >10.15 Returns the lower limit percentage value as -10.15%. BINNing<X>:PERCent:UPPer Query Description Sets or returns the upper value percentage value for the selected bin.

  • Page 137: Binning:limit:beeper

    COMMAND OVERVIEW Example BINN1:PERC:UPP 150.95 Sets the bin1 upper limit percent value to +150.95%. BINN1:PERC:UPP? >150.95 Returns the upper limit percentage value as +150.95%. BINNing:LIMit:BEEPer Query Description Sets or returns beeper mode for the bin sorting function. Syntax BINNing:LIMit:BEEPer {OFF|PASS|FAIL} Query Syntax BINNing:LIMit:BEEPer? Parameter/...

  • Page 138: Binning:limit:mode

    RM-804 & RM-805 Instruction Manual/English Parameter/ COMP The display is set to compare mode. Return parameter COUNT The display is set to count mode. Example BINN:LIM:DISP COMP Sets the bin sorting function display mode to compare. BINNing:LIMit:MODE Query Description Sets or returns the setting mode for upper and lower limits (absolute or Δ%).

  • Page 139: Binning:limit:result

    COMMAND OVERVIEW Syntax BINNing:LIMit:REFerence {<NRf>[,<String>]} Query Syntax BINNing:LIMit:REFerence? Parameter <NRf> 000.0001~999.9999 <String> mohm/ohm/kohm/maohm,unit If the unit is not set, the unit will be automatically set by the present range. Return parameter <NR3> 000.0001~999.9999E±X Example BINN:LIM:REF 100 Sets the limit reference value to 100Ω. BINN:LIM:REF? >100.0000E+0 Returns the reference as 100Ω.
  • Page 140 RM-804 & RM-805 Instruction Manual/English Example BINN:LIM:RES? >1 Indicates a pass for bin1. 13/10/2016 Version No. 001...

  • Page 141: Calculate Commands

    COMMAND OVERVIEW Calculate Commands CALCulate:COMPare:BEEPer Query Description Sets or returns the compare function beeper mode. Syntax CALCulate:COMPare:BEEPer {OFF|PASS|FAIL} Query Syntax CALCulate:COMPare:BEEPer? Parameter/ Return Turns the beeper off. parameter PASS The beeper will sound on a pass test result. FAIL The beeper will sound on a fail test result. Example CALC:COMP:BEEP FAIL Sets the beeper on when the test result is a fail.

  • Page 142: Calculate:compare:limit:mode

    RM-804 & RM-805 Instruction Manual/English <String> mohm/ohm/kohm/maohm,unit If the unit is not set, the unit will be automatically set by the present range. Return parameter <NR3> 000.0000~999.9999E±X Example CALC:COMP:LIM:LOW 0.123,maohm Sets the lower limit value to 0.123MΩ. CALC:COMP:LIM:LOW? >0.1230E+6 Returns the lower limit as 0.123MΩ.

  • Page 143: Calculate:compare:limit:reference

    COMMAND OVERVIEW Example CALC:COMP:LIM:MODE ABS Sets test results as absolute values for the compare function. CALCulate:COMPare:LIMit:REFerence Query Description Sets or returns the limit reference value for the compare function. Syntax CALCulate:COMPare:LIMit:REFerence {<NRf>[,<String>]} Query Syntax CALCulate:COMPare:LIMit:REFerence ? Parameter <NRf> 000.0001~999.9999 <String> mohm/ohm/kohm/maohm,unit If unit is not set, the unit will be automatically set by the present range.

  • Page 144: Calculate:compare:limit:result

    RM-804 & RM-805 Instruction Manual/English CALCulate:COMPare:LIMit:RESult Query Description Returns the compare function test result. Query Syntax CALCulate:COMPare:LIMit:RESult? Return parameter <NR1> 0: LO 1: IN 2: HI Example CALC:COMP:LIM:RES? >2 Indicates that the test result is HI. CALCulate:COMPare:LIMit:UPPer Query Description Sets or returns the upper limit value for the compare function.

  • Page 145: Calculate:compare:math:data

    COMMAND OVERVIEW Example CALC:COMP:LIM:UPP 0.95,kohm Sets the upper limit value to 0.95kΩ. CALC:COMP:LIM:UPP? >0.9500E+3 Returns the upper limit as 0.95kΩ. CALCulate:COMPare:MATH:DATa Query Description Returns the deviation value for the compare function. Query Syntax CALCulate:COMPare:MATH:DATa? Return parameter <NR3> ±0.0000~9.9999E±X. Example CALC:COMP:MATH:DAT? >+0.3658E+2 Returns the deviation as 36.58%.

  • Page 146: Calculate:compare:percent:upper

    RM-804 & RM-805 Instruction Manual/English Return parameter <NR2> 000.00~999.99 Example CALC:COMP:PERC:LOW 10.00 Sets the lower limit percent value to -10.00%. CALC:COMP:PERC:LOW? >10.00 Returns the lower limit as -10.00%. CALCulate:COMPare:PERCent:UPPer Query Description Sets or returns the upper limit percent value for the compare function.

  • Page 147: Calculate:scan:channel

    COMMAND OVERVIEW CALCulate:SCAN:CHANnel Query Description Sets or returns the channel for the scan function. Syntax CALCulate:SCAN:CHANnel <NR1> Query Syntax CALCulate:SCAN:CHANnel? Parameter/ <NR1> 1~100 Return parameter Example CALC:SCAN:CHAN 5 Sets the channel to 5. CALCulate:SCAN:DELay Query Description Sets or returns the interval delay for the scan function. Syntax CALCulate:SCAN:DELay <NR1>...

  • Page 148: Calculate:scan:limit:lower

    RM-804 & RM-805 Instruction Manual/English CALCulate:SCAN:LIMit:LOWer Query Description Sets or returns the lower limit value for the scan function. Syntax CALCulate:SCAN:LIMit:LOWer {<NRf>[,<String>]} Query Syntax CALCulate:SCAN:LIMit:LOWer? Parameter <NRf> 000.0000~999.9999 <String> mohm/ohm/kohm/maohm,unit If unit is not set, the unit will be automatically set by the present range.

  • Page 149: Calculate:scan:limit:reference

    COMMAND OVERVIEW Parameter/ The test results are judged from absolute values. Return parameter DPER The test results are judged from a reference value ± a percentage offset. (delta percent) Example CALC:SCAN:LIM:MODE ABS Sets compare mode to absolute values. CALCulate:SCAN:LIMit:REFerence Query Description Sets or returns the reference limit for the scan function.

  • Page 150: Calculate:scan:limit:upper

    RM-804 & RM-805 Instruction Manual/English Example CALC:SCAN:LIM:REF 10.00,mohm Sets the reference limit to 10.00mΩ. CALC:SCAN:LIM:REF? >10.0000E-3 Returns the reference limit as 10.00mΩ. CALCulate:SCAN:LIMit:UPPer Query Description Sets or returns upper limit of the scan function. Syntax CALCulate:SCAN:LIMit:UPPer {<NRf>[,<String>]} Query Syntax CALCulate:SCAN:LIMit:UPPer? Parameter <NRf>...

  • Page 151: Calculate:scan:percent:lower

    COMMAND OVERVIEW CALCulate:SCAN:PERCent:LOWer Query Description Sets or returns lower limit percent value for the scan function. Syntax CALCulate:SCAN:PERCent:LOWer <NRf> Query Syntax CALCulate:SCAN:PERCent:LOWer? Parameter <NRf> 000.00~999.99 Return parameter <NR2> 000.00~999.99 Example CALC:SCAN:PERC:LOW 10.00 Sets the lower limit percent value to -10.00%. CALC:SCAN:PERC:LOW? >10.00 Returns the lower limit as -10.00%.
  • Page 152 RM-804 & RM-805 Instruction Manual/English Example CALC:SCAN:PERC:UPP 90.00 Sets the upper limit percent value to +90.00%. CALC:SCAN:PERC:UPP? >90.00 Returns the upper limit as +90.00%. 13/10/2016 Version No. 001...

  • Page 153: Memory Commands

    COMMAND OVERVIEW Memory Commands MEMory:CLEar Query Description Clears the data from the selected memory slot. Syntax MEMory:CLEar <NR1> Parameter <NR1> 1~20 Example MEM:CLE 1 Clear data from memory slot 1. MEMory:RECall Query Description Recalls the settings from the selected memory slot. Syntax MEMory:RECall <NR1>...

  • Page 154: Memory:state

    RM-804 & RM-805 Instruction Manual/English Parameter <NR1> 1~20 Example MEM:SAV 1 Saves the settings to memory slot 1. MEMory:STATe Query Description Returns the status of all the memory slots. Syntax MEMory:STATe? 23 Characters composed of “N” or “F”, Return parameter <String>...

  • Page 155: Sense Commands

    COMMAND OVERVIEW Sense Commands SENSe:AUTo Query Description Sets or returns the auto-range state. Syntax SENSe:AUTo <NR1> | {OFF|ON} Query Syntax SENSe:AUTo? Parameter/ Return <NR1> 0:OFF. parameter 1:ON. Auto-Range is off. Auto-Range is on. Example SENS:AUT ON Sets auto-range mode on. SENSe:DISPlay Query Description...

  • Page 156: Sense:function

    RM-804 & RM-805 Instruction Manual/English Parameter/ Return <NR1> 0:OFF. parameter 1:ON. Display mode is normal. Display mode is simple. Example SENS:DISP OFF Sets the display mode to normal. SENSe:FUNCtion Query Description Sets or returns the function mode. Syntax SENSe:FUNCtion {OHM|COMP|BIN|TC|TCONV|SCAN|DIODE}...

  • Page 157: Sense:range

    COMMAND OVERVIEW Example SENS:FUNC OHM Sets ohm mode on. SENSe:RANGe Query Description Sets or returns the range of the present function. Syntax SENSe:RANGe <NRf> Query Syntax SENSe:RANGe? Parameter <NRf> 5E-2 ~ 5E+6 Return parameter <NR3> 5E-2 ~ 5E+6 Example SENS:RANG 0.05 Sets range to 50mΩ.

  • Page 158: Sense:rel:data

    RM-804 & RM-805 Instruction Manual/English FAST Measurement speed is fast. Example SENS:SPE FAST Sets measurement speed to the fast rate. SENSe:REL:DATa Query Description Sets or returns the relative value for the relative function. Syntax SENSe:REL:DATa <NRf> Query Syntax SENSe:REL:DATa? Parameter <NRf>...

  • Page 159: Sense:realtime:state

    COMMAND OVERVIEW Syntax SENSe:REL:STATe <NR1> | {OFF|ON} Query Syntax SENSe:REL:STATe? Parameter/ <NR1> 0:OFF. Return parameter 1:ON. Turn the relative function off. Turn the relative function on. Example SENS:REL:STAT OFF Sets the relative function off. SENSe:REALtime:STATe Query Description Sets or returns the real time function state. Syntax SENSe:REALtime:STATe <NR1>...

  • Page 160: Source Commands

    RM-804 & RM-805 Instruction Manual/English Source Commands SOURce:DRY Query Description Sets or returns the dry circuit test mode. Only applicable to the RM-805. Syntax SOURce:DRY {<NR1> | {OFF|ON} Query Syntax SOURce:DRY? Parameter/ Return <NR1> 0:OFF. parameter 1:ON. Turn dry circuit test mode off.
  • Page 161 COMMAND OVERVIEW Parameter/ Return <NR1> 1: the DC+ mode. parameter 2: the DC- mode. 3: the PULSE mode. 4: the PWM mode. 5: the ZERO mode. Example SOUR:DRIV 3 Sets the drive mode to pulse. 13/10/2016 Version No. 001...

  • Page 162: Status Commands

    RM-804 & RM-805 Instruction Manual/English Status Commands STATus:PRESet Query Description Sets the QUESTionable enable register to zero. Syntax STATus:PRESet <NONE> Parameter <None> STATus:QUEStionable:ENABle Query Description Sets or returns the Questionable Data Enable register. Syntax STATus:QUEStionable:ENABle <NR1> Query Syntax STATus:QUEStionable:ENABle? Parameter/ Return <NR1>...
  • Page 163 COMMAND OVERVIEW Query Syntax STATus:QUEStionable:EVENt? Return parameter <NR1> 0~32767 Example STAT:QUES:EVEN? >512 512 indicates that the Questionable Data Event register=0000001000000000. 13/10/2016 Version No. 001...

  • Page 164: System Commands

    RM-804 & RM-805 Instruction Manual/English System Commands SYSTem:AVERage:DATa Query Description Sets or returns the number of measurements used for the average function. Syntax SYSTem:AVERage:DATa <NR1> Query Syntax SYSTem:AVERage:DATa? Parameter/ Return <NR1> 2~100 parameter Example SYST:AVER:DAT 5 5 measurements are used to perform the average function.

  • Page 165: System:brightness

    COMMAND OVERVIEW Turn the average function on. Example SYST:AVER:STAT OFF Turns the average function off. SYSTem:BRIGhtness Query Description Sets or returns the brightness level. Syntax SYSTem:BRIGhtness <NR1> Query Syntax SYSTem:BRIGhtness? Parameter/ Return <NR1> 1(dim)~5(bright) parameter Example SYST:BRIG 4 Turns the brightness level to 4. SYSTem:ERRor Query Description...

  • Page 166: System:handler

    RM-804 & RM-805 Instruction Manual/English SYSTem:HANDler Query Description Sets or returns the handler state. Syntax SYSTem:HANDler {CLEAR | HOLD} Query Syntax SYSTem:HANDler? Parameter/ Return Clear It clears the last result before executing parameter measurement. HOLD It holds the test result and changes when a different result appears.

  • Page 167: System:lfrequency

    COMMAND OVERVIEW Example SYST:KEYC:BEEP OFF Sets the keyclick beeper off. SYSTem:LFRequency Query Description Sets or returns the frequency setting for the line filter. Syntax SYSTem:LFRequency {AUTO | 50 | 60} Query Syntax SYSTem:LFRequency? Parameter/ Return AUTO The frequency setting for the line filter is parameter automatically detected.

  • Page 168: System:mdelay:data

    RM-804 & RM-805 Instruction Manual/English Syntax SYSTem:LOCal Parameter <None> SYSTem:MDELay:DATa Query Description Sets or returns the measurement delay time. Syntax SYSTem:MDELay:DATa <NRf> Query Syntax SYSTem:MDELay:DATa? Parameter/ Return <NRf> 0.000~100.000 parameter Unit:ms For values under 1s, the unit resolution is 1ms.

  • Page 169: System:mdelay:state

    COMMAND OVERVIEW SYSTem:MDELay:STATe Query Description Sets or returns the measurement delay function state. Syntax SYSTem:MDELay:STATe <NR1> | {OFF|ON} Query Syntax SYSTem:MDELay:STATe? Parameter/ Return <NR1> 0:OFF. parameter 1:ON. Turn the measurement delay off. Turn the measurement delay on. Example SYST:MDEL:STAT OFF Turns the measurement delay function off.

  • Page 170: System:pwm:off

    RM-804 & RM-805 Instruction Manual/English Parameter/ Return <NR1> 3~99 parameter Unit: time units. For 60Hz LF, each unit is equal 16.6ms. For 50Hz LF, each unit is equal to 20.0ms. Example SYST:PWM:ON 5 Sets the duty ON time to 5 adc units.

  • Page 171: System:version

    COMMAND OVERVIEW Example SYST:SER? > GXXXXXXXX SYSTem:VERSion Query Description Returns the SCPI version of the device. Query Syntax SYSTem:VERSion? Return parameter <String> 10 characters Example SYST:VERS? >SCPI1994.0. SCPI version: 1994 13/10/2016 Version No. 001...

  • Page 172: Temperature Commands

    RM-804 & RM-805 Instruction Manual/English Temperature Commands TEMPerature:AMBient:DATa Query Description Sets or returns the user-set ambient temperature value for the temperature compensation and the temperature conversion function. Syntax TEMPerature:AMBient:DATa <NRf> Query Syntax TEMPerature:AMBient:DATa? Parameter/ Return <NRf> -50.0~399.9 (Unit: ºC) parameter <NR2>...

  • Page 173: Temperature:compensate:coefficient

    COMMAND OVERVIEW Syntax TEMPerature:AMBient:STATe <NR1> | {OFF|ON} Query Syntax TEMPerature:AMBient:STATe? Parameter/ Return <NR1> 0:OFF. parameter 1:ON. Disables the user-set ambient temperature. Enables the user-set ambient temperature. Example TEMP:AMB:STAT OFF Disables the user-set ambient temperature. TEMPerature:COMPensate:COEFficient Query Description Sets or returns the temperature coefficient for temperature compensation function.

  • Page 174: Temperature:compensate:correct

    RM-804 & RM-805 Instruction Manual/English TEMPerature:COMPensate:CORRect Query Description Sets or returns the reference temperature for the temperature compensation function. Syntax TEMPerature:COMPensate:CORRect <NRf> Query Syntax TEMPerature:COMPensate:CORRect? Parameter/ Return <NRf> -50.0~399.9 (Unit: ºC) parameter <NR2> -50.0~399.9 (Unit: ºC) Example TEMP:COMP:CORR 25.5 Sets the reference temperature to 25.5ºC.

  • Page 175: Temperature:conversion:disp

    COMMAND OVERVIEW TEMPerature:CONVersion:DISP Query Description Sets or returns the temperature display mode for the temperature conversion function. Syntax TEMPerature:CONVersion:DISP <NR1> Query Syntax TEMPerature:CONVersion:DISP? Parameter/ Return <NR1> 1:ΔT parameter Example TEMP:CONV:DISP 1 Sets the temperature display mode for the temperature conversion function is ΔT. TEMPerature:CONVersion:MATH:DATa Query Description...

  • Page 176: Temperature:conversion:resistance

    RM-804 & RM-805 Instruction Manual/English TEMPerature:CONVersion:RESistance Query Description Sets or returns the initial resistance for the temperature conversion function. Syntax TEMPerature:CONVersion:RESistance {<NRf>[,<String>]} Query Syntax TEMPerature:CONVersion:RESistance? Parameter <NRf> 000.0001~999.9999 <String> mohm/ohm/kohm/maohm,unit If the unit is not set, the unit will be automatically set by the present range.

  • Page 177: Temperature:data

    COMMAND OVERVIEW Syntax TEMPerature:CONVersion:TEMPerature <NRf> Query Syntax TEMPerature:CONVersion:TEMPerature? Parameter <NRf> -50.0~399.9 (Unit: ºC) Return parameter <NR2> -50.0~399.9 (Unit: ºC) Example TEMP:CONV:TEMP 25.6 Sets the initial temperature to +25.6ºC. TEMPerature:DATa Query Description Returns the PT-100 sensor temperature measurement in degrees Celsius. Query Syntax TEMPerature:DATa? Return parameter...

  • Page 178: Temperature:unit

    RM-804 & RM-805 Instruction Manual/English Parameter/ Return <NR1> 0:OFF parameter 1:ON Turn the temp function off. Turn the temp function on. Example TEMP:STAT ON Sets the temp function on. TEMPerature:UNIT Query Description Sets or returns the temperature unit. (Only used for the display readback.)

  • Page 179: Trigger Commands

    COMMAND OVERVIEW Trigger Commands READ Query Description Returns the measurement value. Query Syntax READ? Return parameter <NR3> ±0.0000~5.1000E±X Example READ? >+2.2012E+0 Returns the measurement. MEASure<X> Query Description Returns the PT-100 sensor temperature measurement in degrees Celsius. Query Syntax MEASure<X>? Parameter <X>...

  • Page 180: Show

    RM-804 & RM-805 Instruction Manual/English Example MEAS1? >1,+0.9978E+1 Returns channel 1 as 9.978Ω. SHOW Query Description Returns the judgments of all (up to 100) channels in the scan mode. Query Syntax SHOW? Return parameter <String> 100 characters 0:LO 1:IN 2:HI...

  • Page 181: Trigger:delay:data

    COMMAND OVERVIEW Syntax TRIGger:EDGE {RISING|FALLING} Query Syntax TRIGger:EDGE? Parameter/ Return RISING Select rising trigger. parameter FALLING Select falling trigger. Example TRIG:EDGE FALLING Sets the trigger to falling edge. TRIGger:DELay:DATa Query Description Sets or returns the trigger delay time. Syntax TRIGger:DELay:DATa <NR1> Query Syntax TRIGger:DELay:DATa? Parameter/ Return...

  • Page 182: Trigger:source

    RM-804 & RM-805 Instruction Manual/English Parameter/ Return <NR1> 0:ON parameter 1:OFF Turn the trigger delay function off. Turn the trigger delay function on. Example TRIG:DEL:STAT OFF Turns the trigger delay function off. TRIGger:SOURce Query Description Sets or returns current trigger source.

  • Page 183: Userdefine Commands

    COMMAND OVERVIEW Userdefine Commands USERdefine<X>:ACTive Query Description Sets or returns the active output state of the selected Userdefine pin. Syntax USERdefine<X>:ACTive <NR1> Query Syntax USERdefine<X>:ACTive? Parameter/ Return <X> Userdefine pin 1~2 parameter <NR1> 1:active low state 2:active high state Example USER1:ACT 1 Sets the userdefine1 pin IO to active low state.

  • Page 184: Userdefine:Logic

    RM-804 & RM-805 Instruction Manual/English parameter <NR1> 1~8:bin1~bin8 state 9:bin out state 10:hi state 11:low state 12:pass state 13:fail state Example USER1:FIRS 12 Sets first operand of userdefine1 as pass state. USERdefine<X>:LOGic Query Description Sets or returns operator for the selected user define pin.

  • Page 185: Userdefine:Seconddata

    COMMAND OVERVIEW USERdefine<X>:SEConddata Query Description Sets or returns the second operand for the selected user define pin. Syntax USERdefine<X>:SECondata <NR1> Query Syntax USERdefine<X>:SECondata? Parameter/ Return <X> parameter <NR1> 1~8:bin1~bin8 state 9:bin out state 10:hi state 11:low state 12:pass state 13:fail state Example USER1:SEC 3 Sets the last operand of userdefine1 as the state of the bin3...

  • Page 186: Ieee 488.2 Common Commands

    RM-804 & RM-805 Instruction Manual/English IEEE 488.2 Common Commands *CLS Query Description Clears the Event Status register (Output Queue, Operation Event Status, Questionable Event Status, Standard Event Status). Syntax *CLS Parameter <None> *ESE Query Description Sets or returns the ESER (Event Status Enable Register) contents.

  • Page 187: Esr

    COMMAND OVERVIEW Example *ESE 65 Sets the ESER to 01000001 *ESE? >130 ESER=10000010 *ESR Query Description Returns SESR (Standard Event Status Register) contents. Query Syntax *ESR? Return parameter <NR1> 0~255 Example *ESR? >198 SESR=11000110 *IDN Query Description Returns the manufacturer, model No., serial number and system version number.

  • Page 188: Opc

    RM-804 & RM-805 Instruction Manual/English Example *IDN? >RS PRO,RM805,GXXXXXXXX,V1.00. *OPC Query Description Sets or returns the operation complete bit (bit0) in SERS (Standard Event Status Register) when all pending operations are completed. Syntax *OPC Query Syntax *OPC? Parameter <None> Return parameter <NR1>...

  • Page 189: Sre

    COMMAND OVERVIEW *SRE Query Description Sets or returns the SRER (Service Request Enable Register) contents. Syntax *SRE <NR1> Query Syntax *SRE? Parameter/ <NR1> 0~255 Return parameter Example *SRE 7 Sets the SRER to 00000111 *SRE? >3 SRER=00000011 *STB Query Description Returns the SBR (Status Byte Register) contents.

  • Page 190: Trg

    RM-804 & RM-805 Instruction Manual/English Example *STB? >81 SESR=01010001 *TRG Query Description Manually triggers the instrument. Syntax *TRG Parameter <None> 13/10/2016 Version No. 001...

  • Page 191: Status System

    COMMAND OVERVIEW Status system The diagram below is a description of the status system. Questionable Data Status Register Event Enable Voltage Overload Not Used Not Used Not Used Output Not Used Buffer Temp Overload Not Used Not Used Not Used Ohms Overload Not Used Limit Test Fail LO...

  • Page 192: Faq

    +18°C~+28°C with a humidity not exceeding 80%. This is necessary to stabilize the unit to match the specifications.. For more information, contact your local dealer or RS PRO at www.rs-components.com. 13/10/2016 Version No. 001...

  • Page 193: Appendix

    APPENDIX PPENDIX Function Selection Combinations ........ 192 Function Combination Table ........... 192 Temperature Measurement ......... 193 Reference Temperature Table ..........193 RTD Sensors ................194 Optional Platinum Sensor ............194 Specifications ............197 Resistance Measurement ............197 Dry Resistance Measurement ..........199 Temperature Measurement.............

  • Page 194: Function Selection Combinations

    RM-804 & RM-805 Instruction Manual/English Function Selection Combinations Function Combination Table Function The following table shows which functions can be used with the Selection Relative, Drive and Dry Circuit functions. Combinations Function Dry(*1) Drive(*2) ✔ ✔ ✔ ✔ ✔ ✔...

  • Page 195: Temperature Measurement

    APPENDIX Temperature Measurement Reference Temperature Table Overview The International Temperature Scale (ITS) is based on the following table. The table has 17fixed calibration points as of Background 1990. Temperature Element Type ˚K ˚C (H2) Hydrogen Triple point 13.8033 -259.3467 (Ne) Neon Triple point 24.5561...

  • Page 196: Rtd Sensors

    RM-804 & RM-805 Instruction Manual/English RTD Sensors Overview Resistive Thermal Devices (RTDs) are commonly used as temperature sensors. RTDs change resistance linearly over a specific range of temperature. The table below shows some of the inherent features of RTDs compared to thermocouples.
  • Page 197 APPENDIX equation shown below: RRTD=R [1+AT+BT (T-100)] Where: RRTD is the calculated resistance of the RTD. is the known RTD resistance at 0˚C. T is the temperature in˚C A=alpha [I+(delta/100)] B=-I(alpha)(delta)(Ie-4) C=-I(alpha)(beta)(Ie-8) The Alpha (A), Beta (B), Delta (D) values for the PT-100 sensor are listed below: Ω...
  • Page 198 RM-804 & RM-805 Instruction Manual/English A=0.00391 B=5.77e-7 C=4.18e-12 The resistance of the RTD at 100˚C (R ) is then calculated as follows: : =R [1+AT=BT (T-100)] =100{1+[(0.00391)(100)]+[(-5.77e-7)(100 )+[(-4.18E- 12)(100 )(100-100)]]} =138.5Ω 13/10/2016 Version No. 001...

  • Page 199: Specifications

    APPENDIX Specifications Conditions The specifications are applicable under the following conditions: Background  A 1-year calibration cycle. An operating temperature of 18 to 28 ˚C (64.4 to 82.4˚F).   Relative humidity not exceeding 80%.  Accuracy is expressed as ±(percentage of reading + percentage of range).
  • Page 200 RM-804 & RM-805 Instruction Manual/English 500Ω 10mΩ ±(0.05%+0.008%) ~6.5V 5kΩ 100mΩ 100μA ±(0.05%+0.008%) ~6.5V 50kΩ 1Ω 100μA ±(0.05%+0.008%) ~6.5V 500kΩ 10Ω 10μA ±(0.05%+0.008%) ~6.5V 5MΩ 100Ω 1μA ±(0.2%+0.008%) ~6.5V *When the instrument is set to 50mΩ or 500mΩ ranges, the resistance value will be changed while connecting or disconnecting the test lead to the panel due to the different temperature between internal and external parts of the instrument.

  • Page 201: Dry Resistance Measurement

    APPENDIX Dry Resistance Measurement Range Measuring Current Accuracy 500mΩ 100mA ±(0.3%+0.05%) 5Ω 10mA ±(0.3%+0.05%) 50Ω ±(0.3%+0.05%) Temperature Measurement Temperature sensor (option) Platinum resistor.Lead length: 1.5m approx. -10˚C ~40˚C 0.3%±0.5˚C 0.3%±1.0˚C Other Temperature Correction Function Reference temperature range -50.0˚C~399.9˚C Thermal coefficient range ±9999 ppm Temperature range Accuracy of temperature compensation for 3930...

  • Page 202: Interface

    RM-804 & RM-805 Instruction Manual/English *The temperature coefficient for the other settings must be calculated individually according to different conditions. *If the temperature coefficient or the difference between the environmental temperature and the required temperature exceeds normal operation, after calculating the compensation, the variation to the reading value will be significant.

  • Page 203: Environmental

    APPENDIX Environmental Operation Environment Indoor use, altitude up to 2000m. Operation Environment: 0˚C to 40˚C. Temperature Range: 0 ~ 35˚C, Relative Humidity: <80%RH; >35˚C, Relative Humidity: <70%RH. Pollution Degree 2 Thermal coefficient range -10˚C to 70˚C. Temperature Range: 0 ~ 35˚C, Relative Humidity: <90%RH;...

  • Page 204: Dimensions

    RM-804 & RM-805 Instruction Manual/English Dimensions DC Milliohm Meter Compare Binning TCONV TEMP Enter Speed Scan Trigger GUARD Range Display Local Diode Drive POWER SOURCE SENSE SENSE SOURCE 275.5 214.0 282.9 222.8 13/10/2016 Version No. 001...

  • Page 205: Declaration Of Conformity

    APPENDIX Declaration of Conformity We declare that the below mentioned product Type of Product: DC Millohm Meter Model Number: RM-804, RM-805 satisfies all the technical relations application to the product within the scope of council: Directive: 2014/30/EU; 2014/35/EU; 2011/65/EU; 2012/19/EU...
  • Page 206 Some states or countries laws vary, so the above limitations or exclusions may not apply to you. For full terms and conditions, refer to the RS PRO website. 13/10/2016 Version No. 001...
  • Page 207 APPENDIX Africa RS Components SA P.O. Box 12182, Vorna Valley,1686 20 Indianapolis Street, Kyalami Business Park, Kyalami, Midrand, South Africa Asia RS Components Ltd. Suite 1601, Level 16, Tower 1, Kowloon Commerce Centre, 51 Kwai Cheong Road, Kwai Chung, Hong Kong China RS Components Ltd.

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