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TorqueTrak 10K 

Torque Telemetry System 

 
 
 

 

 
 

User’s Guide

 

 
 
 
 
 
 

869500-9_G

Содержание TorqueTrak 10K

Страница 1: ...TorqueTrak 10K Torque Telemetry System User s Guide 869500 9_G...

Страница 2: ...ansmitter 10 Figure 3 TX10K S Transmitter 10 RM10K Remote Control 12 Figure 4 RM10K Remote Control 13 Product Safety 16 Installation Procedure 16 Field Testing 17 Bench Testing 20 Calibration 21 Warra...

Страница 3: ...mulated transmitter inputs Simple keypad and LCD display for easy user interface TX10K S Transmitter High signal to noise ratio for excellent resolution Low temperature coefficient for accuracy from 2...

Страница 4: ...enna Magnetic Base with 25ft Cable RM10K Remote Control BH10K Battery Holder 110VAC 12VDC or 220VAC 12VDC Wall Plug Transformer 5 ft DB9 Cable 5 ft 2 Conductor Power Cable 10 ft 4 Conductor Ribbon Cab...

Страница 5: ...tted signal in numerical form on the left and in graphical form on the right Figure 1 The numeric value corresponds to the Voltage Output signal in millivolts For example an output signal of 8 450V wo...

Страница 6: ...he Voltage Output and pin 5 of the Com output are all internally connected Care must be taken in connecting the RX10K to external components in order to eliminate ground loop problems Such ground loop...

Страница 7: ...ontains a table listing the RF channels and their corresponding frequencies Along with the channel selection value a bar graph indicating the relative RF signal strength being received is displayed Th...

Страница 8: ...When turned On Input AutoZero On the existing input from the TX10K S becomes the input zero Before adjusting the Gain apply the AutoZero to the input signal In this way the zero 0V output will not ch...

Страница 9: ...justed on the RX10K The Transmitter Gain is set based on the microstrain e range expected during a given test see table below strain values assume a Gage Factor of 2 0 Transmitter Gain Setting Full Sc...

Страница 10: ...olts The adjustment range is from 12000mV to 12000mV 12V meaning the zero can be moved anywhere within the output range This adjustment affects the display output the Voltage Output signal and the dig...

Страница 11: ...ignal to display voltage output and digital output TX10K S Transmitter The TX10K S Transmitter is encased in a tough nylon housing with a V groove on the bottom for improved shaft alignment and an ind...

Страница 12: ...cycles through a startup sequence It transmits four reference signals the low and high strain values positive and negative and the green Status Indicator light on the TX10K S flashes Once the Status I...

Страница 13: ...NOTE Improper operation or damage to the transmitter can occur if operated outside its specified power input voltage range RM10K Remote Control The handheld RM10K Remote Control allows the user to co...

Страница 14: ...TX10K S by accidentally pressing a key on the RM10K It also reduces the chance of changing the configuration of other transmitters in a multiple transmitter installation The RM10K also has a high inf...

Страница 15: ...TANDBY Switches the TX10K S into a low power Standby mode to conserve the battery No signal is transmitted while in Standby mode The Status Indicator light on the TX10K S turns off The TX10K S ignores...

Страница 16: ...nnel is already at the minimum value the Status Indicator on the TX10K S will flash only once indicating the command was received but not carried out SENDING Light The SENDING light will come on for a...

Страница 17: ...rds Typically certain system components are strapped to a rotating shaft If sufficient care is not taken to properly secure these components or accessories connected to them they can be flung from the...

Страница 18: ...nsmitter Secure TX10K S and BH10K or battery to shaft using fiberglass reinforced strapping tape Align V groove on bottom axially with shaft and tape across indentation in top Do not cover TX10K S Inf...

Страница 19: ...for several days in this mode 5 Cut an appropriate length of 4 conductor ribbon cable as short as practical to avoid unwanted electrical noise and strip and tin ends Solder to gage per Appendix D or...

Страница 20: ...to help minimize this reduction in range For example if the initial offset is 1 6 V then the maximum output of the system will be 10 4 V after AutoZero is set This still allows for strain measurement...

Страница 21: ...hes TX10K S channel setting top line will quit flashing and bottom line will show the RF signal strength Change both units to desired channel and verify adequate signal strength To configure TX10K S s...

Страница 22: ...nnector on AC DC adapter into Power Input jack on the RX10K rear panel refer to Figure 2 on page 6 Plug adapter into appropriate AC power source i e wall socket Flip the RX10K power switch to On while...

Страница 23: ...een subject to misuse alteration or abnormal conditions of operation or handling This warranty is exclusive and in lieu of all other warranties expressed or implied including but not limited to any im...

Страница 24: ...ion reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the re...

Страница 25: ...sistor Reference 2 87370 0 1 25 ppm C Simulated torque strain 350 bridge GF 2 0 Shunt resistor Ref 1 100 microstrain e Shunt resistor Ref 2 500 microstrain e Note TX10K gain levels 500 1000 and 2000 a...

Страница 26: ...for Axial Strain Full Bridge 2 6 Active Arms TX10K S Gain Setting Full Scale Strain e Full Scale Input mV System Gain V V Min 0 25x Nom Max 4 0x 500 6154 20 125 500 2000 1000 3077 10 250 1000 4000 20...

Страница 27: ...x 2 50 25 mm x 41 mm x 64 mm Weight with battery 3 oz 85 grams typ Screw Terminal Connector 1 B Positive Battery output 2 B Negative Battery output RX10K Receiver Analog voltage output signal Nominal...

Страница 28: ...2 TXD Data output 3 4 5 GND Ground or common connection 6 7 8 9 PC COM Port Settings Bits per second 115200 Data bits 8 Parity none Stop bits 1 Flow control none Sample Protocol The output sample rat...

Страница 29: ...5 C Zero drift2 0 004 FS C max 0 50 C RF Channel Frequencies Table RF Channel Frequency MHz RF Channel Frequency MHz 1 902 62 9 914 62 2 904 12 10 916 12 3 905 62 11 917 62 4 907 12 12 919 12 5 908 62...

Страница 30: ...gage factor and Transmitter Gain setting Section B1 is specific to torque measurements on round shafts full bridge 4 active arms Section B2 applies to axial strain tension compression measurements on...

Страница 31: ...meters and TFS in N m the general equation is Where E 206 8 x 103 N mm2 Legend of Terms Di Shaft Inner Diameter in zero for solid shafts Do Shaft Outer Diameter in E Modulus of Elasticity 30 x 106 PSI...

Страница 32: ...ndicates 4 901 ft lb of torque or 490 1 ft lb volt Step 2 Scale the Full Scale Output If desired the Full Scale voltage output of the TX10K can be scaled so that it corresponds to a convenient torque...

Страница 33: ...ibrate the Output There are two ways to perform a calibration of the installation a deadweight calibration or shunt calibration Deadweight Calibration The most precise method is to perform a deadweigh...

Страница 34: ...es 100 microstrain e and Reference 2 simulates 500 e when using a 350 strain gage with a Gage Factor of 2 0 Alternatively precision resistors can be placed in parallel with one arm of the bridge to si...

Страница 35: ...the System Gain setting until the output matches this value The adjustment is typically small 0 5 The system is now ready to measure torque with the desired output scaling NOTE When the Gage Factor i...

Страница 36: ...Legend of Terms Di Shaft Inner Diameter in zero for solid shafts Do Shaft Outer Diameter in E Modulus of Elasticity 30 x 106 PSI steel GF Gage Factor specified on strain gage package GXMT Telemetry Tr...

Страница 37: ...h DO shaft Outer Diameter measured 2 25 inches GF Gage Factor from gage package 2 045 GXMT TX10K S Gain setting 4000 145 x 106 lb in2 2 25 in 2 PFS 89 739 lb 2 045 4000 so 10 V output from the RX10K i...

Страница 38: ...1 microstrain GF Gage Factor specified on strain gage package GXMT Telemetry Transmitter Gain user configurable typical is 4000 for 2000 microstrain range VEXC Bridge Excitation Voltage 2 5 volts VFS...

Страница 39: ...inimum level Rx Signal OverRange The output signal of the RX10K is greater than the maximum level Tx Rx Data Error The signal from the TX10K S is not being received properly by the RX10K NOTE The outp...

Страница 40: ...y one direction Each time you wipe use a clean area of the tissue to eliminate contamination 3 Rinse shaft this time by squirting with M Prep Neutralizer 5A Wipe the gaging area dry with a clean tissu...

Страница 41: ...w angle You should now have the gage attached to the tape POSITIONING THE GAGE 6 Using the small triangles located on the four sides of the gage place the taped gage on the shaft perpendicular with th...

Страница 42: ...ns of 75 F and 30 65 relative humidity NOTE The next three steps must be completed in sequence within 3 5 seconds Read through instructions before proceeding so there will be no delays Have Ready M Bo...

Страница 43: ...G THE GAGE 13 Tin each solder pad with a solder dot It is helpful to polish the solder tabs e g with a fiberglass scratch brush or mild abrasive before soldering Trim and tin the ends of the 4 conduct...

Страница 44: ...Binsfeld Engineering Inc 231 334 4383 www binsfeld com 869500 9_G Pg 43...

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