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Interface 9840-400, Manual

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Interface 9840-400 Manual Download Page 62

I N T E R F AC E   M O D E L   9 8 4 0  

MO D E L   9 8 4 0

       P G   6 2  

P U B .

 

6 0 3 2 - 0 1

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 the right of the two resistors) connects the selected 
resistor between the Excite High and the Cell Output High. 

30 K

Ω

 

60 K

Ω

 

Cell Output High 

Sense High 

Excite High 

Excite Low 

Sense Low 

Cell Output Low 

LOAD 
CELL 

Summary of Contents for 9840-400

Page 1: ...Force Measurement Solutions Model 9840 400 Digital Process Monitor Interface Inc 7401 E Butherus Dr Scottsdale Arizona 85260 USA Tel 480 948 5555...

Page 2: ...ER DATA ENTRY 15 Base Area Entry 15 ANALOG OUTPUT 15 SENSOR SELECT 16 View Cal on Ch A B C D 16 View Sensor Data 16 Select Sensor Data 16 Delete Sensor Data 16 View TEDS OPT 16 SYSTEM OPTIONS 17 Auto...

Page 3: ...U 33 User Data View Command UV 33 User Data Area Command UA 33 User Data Length OPT Command UL 33 ANALOG OUTPUT COMMAND A 34 Analog Output View Command AV 34 Analog Output Set Command AS 34 SENSOR COM...

Page 4: ...NS COMMAND D 51 Display View Command DV 51 Display Filter Command DF 52 Display Decimal Command DD 52 Display Position OPT Decimal Command DP 52 Display Count By Command DC 52 Display Filter Window Co...

Page 5: ...r mV V Tare at any time The sum of the torques on both channels is also available Capture the load peak and valley display in pounds kilograms Newtons PSI MegaPascals kilo pounds kilo Newtons metric t...

Page 6: ...ocker 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 use the cabling supplied with...

Page 7: ...sensor is attached to that specific channel If it is blinking a non TEDS OPT sensor is attached The T is not displayed when the TEDS OPT feature is turned off To change the Item or Unit of any of the...

Page 8: ...load for that appropriate channel Channel A B as well as any other sum will only appear when both channels are attached to sensors of the same type load or torque Switching from a load to a torque cel...

Page 9: ...l If the annunciator is turned on a T TEDS annunciator is displayed when the TEDS is turned on It appears in the top right of each display It is on solid when a supported TEDS Template 33 sensor is at...

Page 10: ...and valley for all four channels at once Main Menu The Main Menu button allows the user to return to the Main Menu where the user can navigate to the Setup menu the Calibration mode or back to the Ru...

Page 11: ...Tons mV V grams Peak A B C D Load Pounds Kilograms Newtons PSI MegaPascals Kilo Pounds Kilo Newtons Metric Tons mV V grams Valley A B C D Load Pounds Kilograms Newtons PSI MegaPascals Kilo Pounds Kil...

Page 12: ...ce Units Full Zero Sensor Select View Calibration on Channel A View Calibration on Channel B View Calibration on Channel C View Calibration on Channel D View Sensor Data Sensor Select Sensor Data Chan...

Page 13: ...th options such as the base area used to display load in PSI in percent Analog Output is used to select the source and scaling for the standard analog output channel Sensor Select Lets you manually vi...

Page 14: ...cluding the decimal from the most recent entry and on until the entry box is empty Clear will delete all existing characters currently occupying the entry box Enter will store the number and either sa...

Page 15: ...gs must be reset for the new cell 1 Channel This asks the user for the Analog Output channel By default A and C are selectable These channel designations do not prevent you from using any source item...

Page 16: ...e option Select Sensor Data This option allows the user to change the calibration data a channel is currently using The user will be asked to scroll to find the channel they wish to change the data fo...

Page 17: ...til an AutoID equipped cell is attached at which point the t will go solid Note The TEDS OPT T annunciator will override the auto ID annunciator for both its blinking and solid states if TEDS is enabl...

Page 18: ...sensor will automatically load its calibration information into the M9840 after attachment Auto Tare The Auto Tare can be turned on or off in this menu When on it will perform an automatic tare when a...

Page 19: ...dow for that channel reset the units to Lb or LbI and set the window value to 0 The window must then be reset and re enabled by the user Decimal Select This lets you set the maximum number of digits t...

Page 20: ...Cal Check Channel Two Point mV V Channel Cell Type Calibration Steps Six Point mV V Channel Cell Type Calibration Steps Two Point Data Cal Channel Cell Type Calibration Steps Five Point Data Cal Chann...

Page 21: ...ting data is to delete the sensor first in the Setup Sensor Select menu and then perform a new calibration under the same sensor serial number If a cell with a new serial number or new AutoID is calib...

Page 22: ...asses or torques usually listed on the load cell calibration certificate After completing the basic data entry for the Model 9840 it will begin a series of entries for mass and milli volt per Volt sta...

Page 23: ...l but with added point measurement readings to total five One of the readings usually the first should still be zero and at the end of the point measurement process a shunt check is performed designat...

Page 24: ...r each method of communications Pinouts for the RS232 serial port communications are listed in Appendix B of this manual For older computers USB communication may require the installation of the USB d...

Page 25: ...nd 026 for unit twenty six The command itself will be a sequence of letters such as the XYZ shown above If the command requires a number as one of its parameters the number must be followed by the pou...

Page 26: ...specified address Example 123H Acknowledge 123 Interface Model 9840 Version 8 0 1 Serial 12345 Option 457977664 Hello Touch Screen Command HT This command operates the same as the hello command but al...

Page 27: ...the channel is set as a load channel the cell type implied is a LOAD CELL if the channel is configured as a torque channel the cell type implied is a TORQUE CELL These are the units for Load Peak and...

Page 28: ...command allows you to switch between the currently displayed item and unit and the alternate item and unit just as if you had pressed the View button Example 123FA Acknowledge 001 Active Display shows...

Page 29: ...ad A 120 45 Lb 123 Load A 125 29 Lb 123 Load A 137 81 Lb The value command for both channels is similar to the command for one channel with the following exceptions The item numbers available for two...

Page 30: ...readings like pressing the front panel Esc button These will be in the units that are currently selected on the numerical display The format is P repeat number where the repeat number must be 0 1 2 o...

Page 31: ...le 123R111111111111 Acknowledge 123 Reset Tare A Peak A Valley A Tare B Peak B Valley B Tare C Peak C Valley C Tare D Peak D Valley D Example 2 123R100100100000 Acknowledge 2 123 Reset Tare A Tare B T...

Page 32: ...brate by Mass 2 5 pt T see text for format Calibrate by Torque 2 5 pt S shunt value Lb Calibration by Shunt Value I Encoder OPT counts per Inch V View counts inch S number Set counts inch L lim Limits...

Page 33: ...d to view or set the options in the user data entry menu namely the base area used to calculate load in PSI or MPa and base length used to calculate position in This command has three subcommands User...

Page 34: ...of 10 0 volts and the zero scale number indicates the signal level assigned to zero volts analog output Note that when you change a cell type from load to torque or back again these settings must be...

Page 35: ...00 00 Lb 3 00150 mV v 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 Ch C Ch D S N 63220 100 00 Lb 2 99984 mV v 10 00 V Cal on O...

Page 36: ...ST The Sensor View TEDS ST T33 command is used to view an attached TEDS Template 33 sensor Example 123STB Acknowledge 123 Channel B TEDS 1 Mfg ID 59 2 Model Number 0 3 Version Letter 4 Version Number...

Page 37: ...k on the currently selected cell Note that the load cell should not be under load or torque when this check is run During the 10 second shunt calibration the front panel will show RS232 Cal Check Afte...

Page 38: ...he current date excitation should be a 0 for 5 00 volts or a 1 for 10 00 volts and calibration unit is the desired unit for this calibration and rated load is the maximum load or torque rating for the...

Page 39: ...for torque cell calibration as well Example 123CV4 5002 Acknowledge 123 Calibrate Command Reading for Shunt Check 10 seconds delay 123 Calibrate Command Completed Ch A S N 123456 1000 0 Lb 4 50020 mV...

Page 40: ...calibration or if this is the first calibration of the unit the unit will remain un calibrated At this point the unit is prompting the user for the first milli volt per Volt value of the calibration...

Page 41: ...alibrated according to the most recent calibration or if this is the first calibration of the unit the unit will remain un calibrated At this point the unit is prompting the user for the first milli v...

Page 42: ...mass Be sure you have placed the mass on the load cell before entering this command since reading will begin immediately Example 123CMP10 0 Acknowledge 123 Calibrate Mass 1 Command Reading 10 seconds...

Page 43: ...orques Example 123CT5 Acknowledge 123 Calibrate by Torque 5 Point Ready for CTP1 command Calibrate by Torque Point Command CTP The Calibration by Torque Point CTP command can have up to six parts CTP1...

Page 44: ...ion check command The format is CTP0 Example 123CTP0 Acknowledge 123 Calibrate Command Reading for Shunt Check 10 second delay 123 Calibrate Command Completed Ch A S N 123456 100 00 LbI 3 00150 mV v 3...

Page 45: ...ncoder counts per inch constant Example 123CIV Acknowledge 123 Encoder is 32000 counts per inch The Calibration counts per Inch Set CIS command allows you to change the current setting of the encoder...

Page 46: ...e set to 0 for disabled or 1 for enabled If the limit is disabled the rest of this command may be omitted see example 3 The item and unit numbers indicate which signal is to drive this limit The set p...

Page 47: ...atching limit that has been activated The format is L limit number R Example 123L1R Acknowledge 123 Reset Limit 1 System Options Command O The system Options command has 8 subcommands that are used to...

Page 48: ...in Tare is off Freeze Display is off RS232 End of Transmission Character is off Option Printer OPT Baud Rate Command OP The Option Printer Baud Rate OP command is used to select the printer baud rate...

Page 49: ...ption TEDS Enable OD command is used to turn TEDS on or off The format is OD 0 or 1 where 0 turns TEDS off and 1 turns TEDS on Example 123OD1 Acknowledge 123 TEDS Feature is Enabled Option Auto Tare O...

Page 50: ...Linefeed Command OL The Option com Linefeed OL command turns on or off the generation of linefeed characters when the Model 9840 sends information to your RS232 terminal The format is OL 0 or 1 where...

Page 51: ...e serial commands from both its USB port and its serial DB9 port via RS232 This command allows the user to switch between those two methods Example 123OS1 Acknowledge 123 Changing Communications Sourc...

Page 52: ...ere channel is A or B and the number must be between zero and 5 Example 123DDA0 Acknowledge 123 Channel A shows 0 decimal digits Display Position OPT Decimal Command DP The Display Position Decimal DP...

Page 53: ...iate unit will be entered The window must be enabled before a value can be entered Disabling the window sets this value to 0 The window once enabled and set will take effect immediately and will remai...

Page 54: ...up period with the milli volt per Volt reference attached is recommended at this time if the unit has just been turned on or the milli volt per Volt reference has just been attached Press any button t...

Page 55: ...vity Adjust 1mV V to 4 5 mV V Accuracy 0 01 of full scale 1 digital count CMRR 115 dB Additional Transducer Channel Auxiliary Channel optional D A Analog Output Full Scale Output 10 VDC nominal 0 5 VD...

Page 56: ...erface RS 232 Serial Setup Output Standard RS 485 Serial Setup Output Standard Multi drop RS 232 Optional USB Standard Printing OPT Optional Interface Type Serial Quantities Printed All displayed item...

Page 57: ...Characteristics Power Requirements 115 VAC 60 Hz Optional 230 VAC 50 Hz Fuse Requirements 115 VAC Fuse T 0 315A 250V 230 VAC Fuse T 0 160A 250V Power Consumption 12 W unloaded Transducer Excitation C...

Page 58: ...ace if you have questions or need assistance with these configurations Serial Port Connector Notes 1 Pins 1 through 4 are used for RS232 ASCII command set communications Use 8 data bits no parity 1 st...

Page 59: ...e changed you cannot enter Setup mode 4 The encoder inputs are intended for use with a 12 VDC quadrature encoder For single ended signaling use the CHA and CHB pins the CHA L and CHB L pins are provid...

Page 60: ...N 4 LO pin16 To accomplish this signal ISO IN 4 LO pin16 is tied to GND pin 25 A pushbutton switch is then installed across the signal ISO IN 4 HI pin 15 and the 12VDC pin 26 In parallel with the push...

Page 61: ...nalog output permanently connected to the load cell channel 3 If the 4 20 mA Option is purchased USB Connector Pin Name Description 1 VCC 5 VDC 2 D Data 3 D Data 4 GND Ground DB9 Male Pin Signal 2 ANA...

Page 62: ...shunt resistors The back panel switch shown to the left of the two resistors selects between 30 K and 60 K The shunt check relay shown to the right of the two resistors connects the selected resistor...

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