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Advanced Force Measurement
Model 9840
Digital Process Monitor
Interface, Inc. 7401 E. Butherus Dr. Scottsdale, Arizona 85260 USA
Tel: (480) 948-5555, Fax: (480) 948-1924
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INTERFACE MODEL 9840 VER 6.0.2 CONTENTS CONTENTS .................................................................................................................................................. 1 INTRODUCTION ........................................................................................................................................ 4 QUICK START ......................................................................................................................................
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INTERFACE MODEL 9840 VER 6.0.2 Communications Settings ......................................................................................................................... 25 Communications Format.......................................................................................................................... 25 RS232 RUN MODE COMMAND SUMMARY....................................................................................... 25 RS232 RUN MODE COMMANDS.........................
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INTERFACE MODEL 9840 VER 6.0.2 Option View Command (OV).................................................................................................................... 45 Option Printer Baudrate Command (OP) ................................................................................................ 45 Option Auto-Identify Command (OI)........................................................................................................ 46 Option Auto-Zeroing Command (OZ) ..........
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INTERFACE MODEL 9840 VER 6.0.2 INTRODUCTION The Model 9840 is a CE compliant and versatile precision instrument intended for the digital readout of strain gage sensors such as load cells and torque cells. Optical encoders are also supported. Here is a quick listing of its features: • Full bi-polar 6 digit display ( ±999,999) using two line, 20 character, vacuum fluorescent display for clear, precise indication of measured quantities and limit status. • No knobs or dials. No inter
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INTERFACE MODEL 9840 VER 6.0.2 • Remote operation using standard RS232 ASCII command set. • Each unit is set up to interact with the InterView software that can save tests, export data to a spreadsheet, and much more. • Back panel digital inputs for tare, peak and valley reset, position reset, and print. Other functions available as custom programmed options. MODEL 9840 PG 5 PUB. 2856-16
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INTERFACE MODEL 9840 VER 6.0.2 QUICK START This section will help you get your Model 9840 set up and operating in just a couple of minutes. The back panel is shown below. You will need to make at least two connections here. First be sure that the power switch is off (the lower part of the rocker should be pressed in). Connect the AC power line and plug it in. MODEL 9840 BACK PANEL Next connect a load or torque cell to the 9 pin female connector labeled “Load A”. You should u
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INTERFACE MODEL 9840 VER 6.0.2 # Message Meaning 1 Interface X.Y.Z This is the version number. 2 Serial # 12345 This is the serial number. Option # 114236 This is the option number. 3 Last ID A LD90437 The serial number of the load cell on Ch A. Last ID B TQ12030 The serial number of the torque cell on Ch B 4 Ch A Max 4.00Lb Maximum rated load of the sensor on channel A. Ch B Max 4.00LbI Maximum rated torque of the sensor on channel B. 5 Ch A Cal 4.00000 mVv The mV/V constant us
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INTERFACE MODEL 9840 VER 6.0.2 The rightmost button will change the units that are being used. Repeated presses of this button will cycle through the list of units available for the currently displayed item. For example, with Load A showing you would see Lb, kg, N, PSI, MPa, Klb, kN, t, mV/V, grams, and then back to Lb. With Torq A, you will see LbI, NM, OzI, and mV/V. Switching from a load to a torque cell and back will automatically reset Analog, Limit, and Filter Window settings to
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INTERFACE MODEL 9840 VER 6.0.2 RUN MODE The Model 9840 has three modes of operation, Run mode, Setup mode, and System Calibration mode. At power-on it will be in Run mode. The first line of the display show an item label (Load A), a value (0.0000), and a unit label (Lb). The second line of the display can show the status of the 4 contact closure limit switches, show another display, show text, or be blank. The above example shows text (“INTERFACE MODEL 9840”). To change wh
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INTERFACE MODEL 9840 VER 6.0.2 The table below summarizes the options. Whether the user sees torque or load for each channel depends upon the cell type that was calibrated or selected for that channel. Load A/B Pounds, Kilograms, Newtons, PSI, MegaPascals, Kilo-Pounds, Kilo-Newtons, Metric Tons, mV/V, grams. Peak A/B Pounds, Kilograms, Newtons, PSI, MegaPascals, Kilo-Pounds, (Load) Kilo-Newtons, Metric Tons, mV/V, grams. Valley A/B Pounds, Kilograms, Newtons, PSI, MegaPascals, Kilo-Pou
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INTERFACE MODEL 9840 VER 6.0.2 The load or torque is always reset to zero. A single channel unit will automatically set Load A or Torque A to zero. Reset Button The Reset button brings up a list of things that you might want to set to zero: If this is a 2-channel unit, the following menu will appear: > Reset Ch A + Ch B will reset the peak and valley for channels A and B. > Reset Ch A Only will reset the peak and valley for channel A. > Reset Ch B Only will
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INTERFACE MODEL 9840 VER 6.0.2 Print Button If the Print option is purchased, the Print Button can be used to either print data or to freeze the display. If the Hold option is purchased, the functionality of the button is set using the System Setup options. Otherwise, the button can only control the ability to print data. In Run Mode, if the System Setup Options Print/Hold button is set to Hold, the Print button will freeze and unfreeze the run mode numerical display. Press once to fr
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INTERFACE MODEL 9840 VER 6.0.2 SETUP MODE SUMMARY The table below summarizes the setup mode menus. Detailed information about each individual item is presented in the following sections. Setup mode ╠══════ >User Data Entry ║ ╠════════ >>Base Area Ch A/B ║ ╚════════ >>Base Length ║ ╠══════ >Analog Output ║ ╚════════ Source → Units → Full → Zero. ║ ╠══════ >Sensor Select ║
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INTERFACE MODEL 9840 VER 6.0.2 SETUP MODE Setup mode is used to change the setup of the Model 9840. To enter setup mode press the two end buttons at the same time ( “<“ and “>“ ). The row of four buttons will now function as indicated by the lower set of labels (Plus, Minus, Enter, and Escape). If the optional keylock is in the locked position you will see “>Setup is Locked” when you try to enter setup mode. This prevents accidental or unauthorized changes to the setup of the unit.
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INTERFACE MODEL 9840 VER 6.0.2 Entering Numerical Data At times you will need to enter numerical data into the Model 9840. The method is consistent in all cases. A number is presented on the left side of the display with an underline cursor. • Left ( “<“ ) moves the cursor left one position. If you are on the leftmost digit a new zero will be added. Thus 10.000 will become 010.00 where the cursor has moved from the tens place to the hundreds place. • Right ( “>“ ) moves the cur
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INTERFACE MODEL 9840 VER 6.0.2 1. Source: -- This entry allows you to scroll through a list (using the left/right or plus/minus buttons) to select the source of the data that will drive the analog output. The standard list will include load or torque, peak, valley, gross, position, and velocity. Channel A+B is an option which, if chosen, will appear only if the cells on both channels are of the same type. Press enter to select the displayed item. 2. Units: -- This entry allows you to s
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INTERFACE MODEL 9840 VER 6.0.2 2. Full = 4.0000 Lb Zero = 4.0000 Lb (Input) Mv/V (Output)Volt (Output) MA 4 0v 12mA 3 -2.5v 10mA 2 -5.0v 8mA 1 -7.5v 6mA 0 -10.0v 4mA -1 -10.0v 4mA -2 -10.0v 4mA -3 -10.0v 4mA -4 -10.0v 4mA 3. Full = 2.0000 Lb Zero = 0.0000 Lb (Input) Mv/V (Output) Volt (Output) MA 4 10.0v 20mA 3 10.0v 20mA 2 10.0v 20mA 1 5.00v 16mA 0 0v 12mA -1 -5.0v 8mA -2 -10.0v 4mA -3 -10.0v 4mA -4 -10.0v 4mA 4. Full = 2.0000 Lb Zero = 2.0000 Lb (Inp
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INTERFACE MODEL 9840 VER 6.0.2 return to the setup mode main menu without changing the cell that is selected. The enter button will select the currently displayed cell and briefly display the rated load or torque, last calibration date, and excitation voltage. To add new cells to this list use the Calibration entry on the setup mode main menu described below. If you are using auto-id load cells this menu will allow you to see which cell is selected but will not allow you to change th
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INTERFACE MODEL 9840 VER 6.0.2 >>Cal Check Selecting this item will run a calibration check on the cell attached to Channel A or B. The Model 9840 will measure the shunt value of the cell and compare it to the shunt value that was recorded when the cell was last calibrated. The rated load or torque and last calibration date for the cell are displayed followed by the currently measured shunt value and the shunt value that was recorded when the cell was calibrated. Note that the M
