Binsfeld TorqueTrak TPM2 Manual
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Binsfeld TorqueTrak TPM2 Manual

With rs-485 modbus
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TorqueTrak TPM2 with RS-485 Modbus
Installation and Operation Manual

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Summary of Contents for Binsfeld TorqueTrak TPM2

  • Page 1 TorqueTrak TPM2 with RS-485 Modbus Installation and Operation Manual...
  • Page 2 For technical support, installation services or request for repair or more information contact: Binsfeld Engineering Inc. 4571 W. MacFarlane Road Maple City, MI 49664 USA Phone: +1-231-334-4383 Fax: +1-231-334-4903 Email: sales@binsfeld.com http://www.binsfeld.com TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 3: Table Of Contents

    Appendix A: TPM2 Specifications ........................24 Appendix B: Troubleshooting ........................27 Appendix C: Strain Gage Installation ......................28 Appendix D: Dimensions ..........................31 Appendix E: Maximum Shaft Speeds ......................39 Warranty and Service Information ......................... 40 TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 4: System Overview

    15-bit signed strain value, 16 bit signed speed value, and 24 bits of status information contained in every data sample. • Four dual color LEDs on stationary interface for system status and error indication in addition to status information contained in the RS-485 Modbus serial communications data. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 5: System Components

    The transmitter is powered inductively from the stationary ring. 1.1.2 Stationary Interface The stationary interface generates power for, and receives data from the transmitter. The stationary interface then communicates the data to a connected host device through a bi-directional RS-485 Modbus interface. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 6: Installation

    Each TPM2 is custom made to fit a certain shaft size range. Therefore the shaft diameter must be specified at time of order. Do not try to adapt the TPM2 to a shaft size outside its intended range of operation. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 7 All metal should be kept clear of the ring and collar, with the exception of the TPM2, shaft, and mounting bracket(s). (Distances shown below.) Mounting Bracket 2.50 (65) 2.50 (65) Figure 2: Metal-Free Area TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 8: Rotating Collar Installation

    If there is any damage to the rotating collar (gouges, chips, cuts, cracks, etc.) IMMEDIATELY DISCONTINUE USE, remove from the shaft, and contact Binsfeld for a replacement. The Rotating Collar must be installed on a smooth, clean area of the shaft.

  • Page 9: Stationary Ring And Stationary Interface Installation

    TPM2 (for instance between an intermediate junction box and a control cabinet). CAUTION: Do not connect or disconnect the COM cable while power is applied or damage due to arcing may occur and damage the connectors. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 10: Stationary Ring Installation

    S/N converter from B&B Electronics (Advantech); http://www.bb- elec.com. Any RS-485 interface should work but may not work with the standard Binsfeld TPM2 Modbus Configuration software (P/N 818007). Please see section 4 of this document for detailed communications protocol information.

  • Page 11: System Operation And Led Descriptions

    The Stator LED has two modes during normal operation. Typically it operates as an indicator for the status of Stator main regulated voltage, main regulator over current, power amplifier over temperature, and connected device communications. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 12: Rotor Led

    1.75Hz when frequency is increasing from below 0.88Hz. The low frequency threshold is approximately 0.88Hz when frequency is decreasing from above 1.75Hz. If the duration of speed pulses becomes too short or pulse frequency is erratic, the Speed LED flashes red (not green). TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 13: Transmitter Led Operation

    A 50% duty cycle 1.2Hz flashing rate indicates that the transmitter input signal is out of range, either common mode or differential mode. A 50% duty cycle 4.7Hz flashing rate indicates that the transmitter input reference signal is out of range. If the Transmitter LED is OFF, the transmitter voltage is very low. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 14: Communications Protocol

    32 (1mV/V) Zero speed threshold 60 RPM Binsfeld Engineering TPM2 Modbus Configuration software (P/N 818007) running on a Windows PC can be used for configuration. See TPM2 Modbus Configuration software manual P/N 818007-9 for more information. DATA BYTE FORMAT Each transmitted or received byte consists of 1 start bit, and 8 data bits. Baud rate, parity, and the number of stop bits is configurable.

  • Page 15: Tpm2 Modbus

    2 is '1' 0x0007 read 16 bit status byte0_1 (input unsigned reg) 0x0008 read 16 bit status (input unsigned byte2_checksum reg) 0x0100 16 bit 1 to 247 Modbus slave (hold unsigned default: 31 address reg) TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 16 0x0105 16 bit 0 to 3 Transmitter shunt (hold unsigned control b15 : b2 reg) b1 – shunt 2, 0 = OFF 1 = ON b0 – shunt 1, 0 = OFF 1 = ON TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 17: Strain Value (Modbus Register 6)

    Strain Value (Modbus register 6) The Strain Value is a 16 bit signed integer that is used to calculate the torque strain using the equation: є = (Val * 2) / (G * GF) xmtr TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 18: Shaft Rpm Value (Modbus Register 7)

    The Shaft Speed Value is updated once per shaft revolution. This new value is transmitted with the next sample and the RPM_NEW status flag is set to indicate a new shaft speed measurement. This same value is reported on subsequent samples until the shaft completes another rotation and a new speed is measured. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 19: Shaft Speed Count (Modbus Registers 4 & 5)

    P = (T * 2π * ω) / K P = power (watts or hp) 2π is radians/revolution ω = rotational speed (RPM) = units dependent power constant (for watts, K = 60: for hp K = 33,000) TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 20: Status Information

    3 GAGE_COM_ERR 1 = Gage common mode input of the transmitter is out of range. This error will also give a TRQ_RNG_ERR 0 = Gage common mode input of the transmitter is in range TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 21 0 = No Stator main regulated power supply problems are detected. bit 14 II_AMP_TEMP_WRN 1 = The II power amplifier temperature is at or nearing thermal shutdown. 0 = The II power amplifier temperature is OK. bit 15 STAT_TEST_MODE 1 = Stator in test mode. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 22 0 = Shunt 1 is OFF bit 12 Shunt 2 is ON 1 = Shunt 2 (1000uV/V) is ON. 0 = Shunt 2 is OFF bit 13 Not currently used bit 14 Not currently used bit 15 Not currently used TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 23: Checksum (Modbus Register 9 Low Byte)

    The effects of Transmitter Control Commands are delayed due to internal communications between the Transmitter and the TPM2. Transmitter control commands that modify either the gain or shunts require approximately 2.5 seconds to take effect. A command that modifies both gain and shunts at the same time requires 4 seconds. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 24: Appendix A: Tpm2 Specifications

    FS - Full Scale, PFS – Positive Full Scale, TC – Temperature Coefficient Strain using gage factor = 2.0 AC Specifications: Table 8: Typical Signal Bandwidth and Delay Sample Rate Bandwidth (Hz) Delay (ms) (samples/second) 9.375 1700 18.75 37.5 TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 25 >100 >100 >100 >100 >100 >100 37.5 >100 >100 >100 >100 >100 >100 >100 1200 2400 4800 Signal to Noise Ratio (in dB) is calculated as follows: S/N = 20 * log (NominalSignalRange / ResidualNoiseLevel) TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 26 Torque signal sampling rate 4800Hz (max) Shaft speed signal resolution 33.91nsec Shaft speed signal sampling rate 1 per revolution Operating temperature -40° to +70°C, 0 to 90% non- condensing humidity Specifications are subject to change without notice. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 27: Appendix B: Troubleshooting

    In addition to the status LEDs, some of the TPM2 Modbus registers hold status information. Please refer to section 5.2.4 of this manual. If during troubleshooting the collar connections have been loosened, it is recommended to cycle the main power (power off, power on) to reset the system. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 28: Appendix C: Strain Gage Installation

    8 APPENDIX C: STRAIN GAGE INSTALLATION View Binsfeld online Strain Gage Installation Training videos at: Training Videos (Also refer to instruction bulletin B-127-12 provided with GAK-2-200 Strain Gage Application Kit from Vishay Measurements Group, Inc., Raleigh, NC, 919-365-3800, www.measurementsgroup.com.) PREPARING THE SURFACE 1.
  • Page 29 12. Leave the Mylar tape on an additional five minutes to allow total drying then slowly peel the tape back directly over itself, holding it close to the shaft while peeling. This will prevent damage to the gages. It is TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 30 15. Paint the gage area (including the solder pads) with M-Coat A polyurethane and allow to air dry 15 minutes. This protects the gage from moisture and dirt. To further protect the gage, apply M-Coat J protective coating for protection against moisture, fluids and mechanical damage. Figure 6: Strain Gage Wiring TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 31: Appendix D: Dimensions

    9 APPENDIX D: DIMENSIONS Figure 7: General Dimensions TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 32 Figure 8: Stationary Interface Mounting Dimensions Figure 9: Stationary Interface Bottom Dimensions TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 33 Rotor to stator spacing is accomplished by aligning the non-transmitter side of the rotor collar with the front of the stationary interface. Figure 10: Collar Spacing TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 34 Figure 11: 0.75" to 6" Shaft Diameter Dimensions TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 35 Figure 12: 6" to 24" Shaft Diameter Dimensions TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 36 Figure 13: 24" to 40" Shaft Diameter Dimensions TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 37 Figure 14: 40" to 48" Shaft Diameter Dimensions TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...
  • Page 38 Figure 15: Stationary Ring Mounting Tab Dimensions TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 39: Appendix E: Maximum Shaft Speeds

    2100 27.5 1900 31.5 1500 35.5 1400 39.5 1003 1300 43.5 1104 1200 47.5 1206 1000 51.5 1308 1000 Valid only if rotating collar is properly installed with mounting bolts tightened to specified torque values. TorqueTrak TPM2 Modbus (866-620-9-D) www.binsfeld.com...

  • Page 40: Warranty And Service Information

    Binsfeld Engineering Inc.’s sole obligation under this warranty is, upon evaluation by Binsfeld Engineering Inc., and at Binsfeld Engineering Inc. ’s option, to repair or correct any defect or to replace or exchange the Product with a copy of the original invoice to Binsfeld Engineering Inc. at its own cost. Any repaired, corrected, replaced or exchanged Products shall be subject to the warranty and limitations set forth.

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