Page 2 - I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2; CONTENTS
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 CONTENTS CONTENTS .................................................................................................................................................. 1 INTRODUCTION .......................................................................
Page 4 - USB
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Option View Command (OV).................................................................................................................... 45 Option Printer Baudrate Command (OP) ......................................................................
Page 5 - INTRODUCTION
I N T E R F A C E M O D E L 9 8 4 0 V E R 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 featur...
Page 6 - Remote operation using standard; digital inputs; Other functions available as custom programmed options.
I N T E R F A C E M O D E L 9 8 4 0 V E R 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, ...
Page 7 - QUICK START
I N T E R F A C E M O D E L 9 8 4 0 V E R 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 p...
Page 10 - RUN MODE
I N T E R F A C E M O D E L 9 8 4 0 V E R 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 sec...
Page 11 - Item Button; Item; Tare Button; Tare
I N T E R F A C E M O D E L 9 8 4 0 V E R 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-Newt...
Page 12 - Reset Button
I N T E R F A C E M O D E L 9 8 4 0 V E R 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 follo...
Page 13 - Print Button; Print; Unit Button; Unit
I N T E R F A C E M O D E L 9 8 4 0 V E R 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...
Page 14 - SETUP MODE SUMMARY
I N T E R F A C E M O D E L 9 8 4 0 V E R 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 ║ ╚════════ >...
Page 15 - SETUP MODE; Enter
I N T E R F A C E M O D E L 9 8 4 0 V E R 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, Minu...
Page 16 - Entering Numerical Data
I N T E R F A C E M O D E L 9 8 4 0 V E R 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 ...
Page 17 - source you have chosen in the previous step.; Full
I N T E R F A C E M O D E L 9 8 4 0 V E R 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, positi...
Page 19 - Sensor Delete; Load or Torque; and press enter when
I N T E R F A C E M O D E L 9 8 4 0 V E R 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 t...
Page 20 - Point
I N T E R F A C E M O D E L 9 8 4 0 V E R 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...
Page 21 - Point; Select Limit X; -- This selection determines if the switch contacts are open; Set; point). It is specified in the units you chose in the previous step.
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 set the torque. When the Model 9840 is reading the cell it will display the “Reading...” message for about 10 seconds. During this time it is important that the masses or torque are not disturbed since all the readings taken are averaged together t...
Page 22 - -- Choosing source>set means that the limit will be activated; Rst
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 7. Trip if source < / > Set -- Choosing source>set means that the limit will be activated when the source becomes larger than the set point. Choosing source<set means the limit will be activated when the source becomes less than the set...
Page 23 - Level
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 >>Com Address This item allows you to set the address of this unit used for the RS232 ASCII command set. Valid values are 1 through 254. If the RS232 multi-drop option is installed you must be sure that all the attached units have different a...
Page 25 - REMOTE OPERATION; will Tare the Load or Torq to zero while it is in the On state.; USB Driver
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 REMOTE OPERATION Digital Inputs There are 4 digital inputs available on the Model 9840. They are accessible on the Digital I/O connector on the back panel (pins 9 - 16). These inputs are individually opto-isolated and include current limiting resis...
Page 26 - Communications Settings; must be; no parity; Communications Format; RS232 RUN MODE COMMAND SUMMARY
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Communications Settings The Model 9840 supports remote operation using a standard Remote interface consisting of ASCII characters and terminal emulation software package such as HyperTerminal or ProComm. The baud rate is set using the Com Baud rate...
Page 27 - RS232 RUN MODE COMMANDS; AB
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 RS232 RUN MODE COMMANDS The commands listed in this section mirror (and in some cases extend) the functions that are available from the front panel of the Model 9840 when it is in Run Mode. Each entry will include the name of the command, followed ...
Page 28 - Front Panel Pointer Control to Line 1 (F1)
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 These are the units for Velocity: 00 – I/M 01 – C/M Front Panel Display Command (F) This command is used to set the front panel display of the Model 9840 to a desired combination of item and unit. There are five subcommands: Front panel View (FV), ...
Page 29 - Front Panel Pointer Control to Line 2 (F2); Value Command (V) for one or both channels; Note
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 @123F1 Acknowledge: @123 Active Display shows Load A in Lb Other Display shows Peak A in Lb Front Panel Pointer Control to Line 2 (F2) The Front Panel Pointer Control to Line 2 (F2) assigns the view pointer control to display line 2 (lower line of ...
Page 31 - @123 Reset – Tare A
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 @123R1000000 Acknowledge: @123 Reset – Tare A Example 2: @123R0111000 Acknowledge 2: @123 Reset – Peak A Valley A Tare B Freeze Display Command (X) In Run Mode, the freeze display command will freeze and unfreeze the run mode numerical display and ...
Page 32 - RS232 SETUP MODE COMMAND SUMMARY
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 RS232 SETUP MODE COMMAND SUMMARY @(addr) ╠═ U User Data Entry ║ ╠═ V View current settings ║ ╠═ A (channel)(number) # Set Base Area ║ ╚═ L (number) # Set Base Length ║ ╠═ A Analog Output ║ ╠═ V View current settings ║ ╚═ S (item)(unit)(full)#(zero)...
Page 33 - RS232 SETUP MODE COMMANDS; @123 Setup is Locked - use Keylock to unlock
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 RS232 SETUP MODE COMMANDS The commands in this section allow you to change the setup of the Model 9840. You will notice that these commands form a menu which approximately duplicates the Setup Mode menu used during setup of the Model 9840 from the ...
Page 34 - @123 Analog Output A is Load A in Lb; Sensor View Channel A or B Command (SA or SB)
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Analog Output Command (A) This command is used to view or set the analog output of the Model 9840. There are two subcommands Analog View (AV) and Analog Set (AS). Analog Output View Command (AV) The Analog View (AV) command has the format AV. It wi...
Page 38 - Ready for Mass CMVM1 command
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Calibration Escape Command (CE) The Calibrate Escape (CE) command is used to cancel a calibration that was started with the Calibrate Begin (CB) command. This format is CE. Example: @123CE Acknowledge: @123 Calibrate Command - Canceled, Calibration...
Page 39 - The mass is entered using the
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Calibration by mV/V Mass 1 (CMVM1) command. The mass is entered using the following format: CMVM1(mass value)#. Entering this command will result in the unit prompting the user for the first milli-volt per volt command. Example: @123CMVM15.0005# Ac...
Page 40 - The torque is entered using the
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Calibration by mV/V Torque 1 (CMVT1) command. The torque is entered using the following format: CMVT1(torque value)#. Entering this command will result in the unit prompting the user for the first milli-volt per volt command. Example: @123CMVT15.00...
Page 41 - Calibrate by Masses Point Command (CMP); Calibrate Mass 1 Command - Ready for CMP2 or CE command
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Acknowledge: @123 Calibrate by Mass – 5 Point Ready for CMP1 command Calibrate by Masses Point Command (CMP) The Calibration by Masses Point (CMP) command can have up to six parts: CMP1 through CMP5 and CMP0. You must have already started a calibra...
Page 42 - Calibrate Torque 1 Command - Ready for CTP2 or CE command
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 10.00 V , Cal on Oct27-99, 49.532 Lb Shunt unused S/N 13368, 10.00 Lb , 3.00121 mV/v, 10.00 V, Cal on Oct27-99, 4.9292 Lb Shunt unused S/N 63220, 100.00 Lb , 2.99984 mV/v, 10.00 V , Cal on Oct27-99, 49.381 Lb Shunt Ch B = S/N 89991, 1000.0 Lb , 4.5...
Page 43 - @123 Calibrate Command Completed
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 from the cell before entering this command since it will perform the shunt calibration measurement that is recorded for use with the calibration check command. The format is CTP0. Example: @123CTP0 Acknowledge: @123 Calibrate Command - Reading for ...
Page 45 - @123 Limit Setup Command A – Ready for Command B
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 The limit number chooses which limit (1-4) you want to setup. The normal position should be set to 0 for normally open or 1 for normally closed. The enable should be set to 0 for disabled or 1 for enabled. If the limit is disabled the rest of this ...
Page 46 - Option Printer Baudrate Command (OP)
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 @123LE Acknowledge: @123 Limit Setup Command Canceled Limit Reset Command (LiR) The Limit Reset (LiR) command is used to manually reset a latching limit that has been activated. The format is L(limit number)R. Example: @123L1R Acknowledge: @123 Res...
Page 47 - Option Printer; Code Baudrate
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Example: Option Printer Command Code Baudrate 4 4800 5 9600 6 19.2K 8 57.6K 9 230.4K @123OP9 Acknowledge: @123 Printer Baud Rate is 230.4K Option Auto-Identify Command (OI) The Option auto-Identify (OI) command is used to turn auto-identification o...
Page 48 - Option Baudrate Command; Option End of Transmission Character (OE)
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Option Com Baudrate Command (OB) Option Baudrate Command Code Baudrate 0 300 1 600 2 1200 3 2400 4 4800 5 9600 6 19.2K 7 Special The Option com Baudrate (OB) command is used to change the communications baudrate for this unit. The format is OB(code...
Page 50 - Display Count by Command; Code Count
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Display Count By Command (DC) The Display Count by (DC) command sets the smallest number that the display will count by for the Load or Torq, Peak, and Valley measurements. The format is DC(channel)(code) where the code is selected from the table a...
Page 51 - @123 Filter Window A is On
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Disabling the window sets this value to 0. The window, once enabled and set, will take effect immediately and will remain in effect until the window is disabled. Note that changing a cell type on a channel will automatically disable the filter wind...
Page 52 - SYSTEM CALIBRATION MODE; Press any button to clear this display.
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 SYSTEM CALIBRATION MODE The following procedure should be followed to calibrate the Model 9840 itself. This calibration requires the use of a precision millivolt per volt reference which will be attached on the load cell connector. The resulting sc...
Page 56 - Load Cell Connectors; DB9 Female; Serial Port Connector; Pin Signal
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 APPENDIX B -- CABLES AND CONNECTORS Load Cell Connectors Notes: DB9 Female Pin Signal 1 EXCITE - HI 2 SENSE - HI 1 3 CELL OUTPUT - HI 4 CELL OUTPUT - LO 5 SENSE - LO 1 6 EXCITE - LO 7 AUTO ID - A 8 AUTO ID - B 9 CHASSIS GND 1. If the sense lines ar...
Page 57 - Digital I/O Connector; High Density 26 Female; Chart Rec. Connector; DB9 Male
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Digital I/O Connector Notes: High Density 26 Female Pin Signal 1 LIM 1 A 1 2 LIM 1 B 1 3 LIM 2 A 4 LIM 2 B 5 LIM 3 A 6 LIM 3 B 7 LIM 4 A 8 LIM 4 B 9 ISO IN 1 - HI 2 10 ISO IN 1 - LO 2 11 ISO IN 2 - HI 12 ISO IN 2 - LO 13 ISO IN 3 - HI 14 ISO IN 3 -...
Page 58 - USB Connector; Pin Name Description
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 USB Connector Pin Name Description 1 VCC +5 VDC 2 D - Data – 3 D+ Data + 4 GND Ground M O D E L 9 8 4 0 P G 5 7 P U B . 2 8 5 6 - 1 6
Page 59 - Precision Shunt Calibration Resistors
I N T E R F A C E M O D E L 9 8 4 0 V E R 6 . 0 . 2 Precision Shunt Calibration Resistors This diagram shows the connection of the precision internal shunt resistors. The back panel switch (shown to the left of the two resistors) selects between 30 K Ω and 60 K Ω . The shunt check relay (shown to th...
