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KMT - Kraus Messtechnik GmbH
Gewerbering 9 ● 83624 Otterfing ● Germany
h t t p s : / / w w w . k m t - t e l e m e t r y . c o m
Sophisticated multi-channel telemetry system
for rotating application, fully software
programmable with 18 bit resolution
INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY!
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2 to 256 channels
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Signal bandwidth up to 24000 Hz
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Inputs: STG, POT, IEPE, VOLT,
LVDT/RVDT, TH-K-J-S, RTD
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Auto offset compensation (
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4 Volt Bridge excitation
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STG Input ranges ±40 to ±0.3 mV/V
+49-8024-48737 Fax.-5532
i n f o @ k m t - t e l e m e t r y . c o m
MTP-NT
User Manual
)
STG/VOLT
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18-bit ADC
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Fully software programmable
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Inductive or battery powered
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Rugged housing, moisture protected
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Analog output +/- 10 V
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Digital Ethernet output for PC
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Summary of Contents for KMT MTP-NT Series
- Page 1 KMT - Kraus Messtechnik GmbH Gewerbering 9 ● 83624 Otterfing ● Germany +49-8024-48737 Fax.-5532 h t t p s : / / w w w . k m t - t e l e m e t r y . c o m i n f o @ k m t - t e l e m e t r y .
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Page 2: Safety Notes
The system can cause electromagnetic interferences when used in residential areas or environments. In this case the operator is responsible for establishing protective procedures. Further resources and the latest document versions MTP-NT Technical Resources Page: https://www.kmt-telemetry.com/support/mtp-nt/ MTP-NT User Manual: https://www.kmt-telemetry.com/support/mtp-nt/Files/MTP-NT-UM.pdf MTP-NT Software & Information Manual: https://www.kmt-telemetry.com/support/mtp-nt/Files/MTP-NT-SW.pdf MTP-NT Inductive Powering User Manual: https://www.kmt-telemetry.com/support/mtp-nt/Files/MTP-IND-PWR.pdf... -
Page 3: Short Description
Power supply (VBB): 6 to 9 Vdc Current consumption: 30 mA Current consumption: 100 mA (average) * Required is the KMT COMMUNICATOR 60 x 40 x 10 mm 60 x 40 x 10 mm handheld remote control Blue- Weight 42 grams... - Page 4 Common characteristics / Environment Vibration (random) 0.1 g²/Hz (20 Hz to 2 kHz) Operating temperature -40 to +85°C Vibration (sine) 20 g (20 Hz to 2 kHz) optional -40 to +125°C Shock (½ sine) 10000 g peak (11 ms) Storage temperature -40 to +125°C Static Acceleration 3000 g (depends of mounting!)
- Page 5 MTP-NT connection overview Page 5 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 6 MTP-NT connection cables MTP-NT-BUS-C (-L/-M/-S) MTP-NT-BUS-C-L = 220 mm MTP-NT-BUS-C-M = 170 mm MTP-NT-BUS-C-S = 120 mm Other lengths on request… Sensor cable with open end (2x 4-pin, STG or POT) – cut it to the riquired length! 220 mm or 500 mm MTP-NT-C-In-2x4 Signal cable 220 mm with open ends (2x 2-pin;...
- Page 7 MTP-NT connection cables Data coil cable 500 mm with open ends, shielded – cut it on the right length! Shield must connect on housing earth 500 mm shield cable with open ends MTP-NT-C-D-COIL-500 Power coil cable 500 mm with open ends – cut it on the right length! 500mm cable with open ends MTP-NT-C-P-COIL-500 RS232/USB-Adapter...
- Page 8 MTP-NT Bus connection Page 8 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 9 MTP-NT housing dimensions for 2- and 4-channels Page 9 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 10 MTP-NT Bock diagram Page 10 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 11 MTP-NT Bock diagram on shaft Page 11 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 12 MTP-NT Modules mounting Page 12 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 13 MTP-NT Modules mounting plate example for shaft diameters 100-200 or 150-250mm Page 13 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 14 MTP-NT – Setting of parameters or firmware update of all modules via RS232 All parameters are programmable over RS232, RS232/USB-adapter or wirelessly via *BLUE and *COMM (*requires MTP-NT Bluetooth module NT-BLUE & KMT COMMUNICATOR) Inductive data coil Inactive bus Active bus connection...
- Page 15 Range 5 to 20 m, depends on application and antenna Power supply: VBB = 6 to 9 Vdc Current consumption: 30 mA (average) * Required is the KMT COMMUNICATOR (handheld remote control Bluetooth device with USB connector) Pin antenna Status LED...
- Page 16 KMT COMMUNICATOR for wireless configuration of a remote MTP-NT system via USB to the Bluetooth module MTP-NT-BLUE (incl. wireless firmware update) Blue LED - Bluetooth connection Blinking (2Hz) = searching ON = Bluetooth connected (Please wait always until Bluetooth connection is established)
- Page 17 MTP-NT – Easy to connect with daisy-chain connection with the same MTP-NT-BUS-C cable The bus is extendable to several meters! AMP "Locking-Clip" crimp connectors withstand ultra-harsh vibration and shock environment Caution: Locking-Clip must be completly connected! GOOD �� BAD ☹ Page 17 (44) Version 2020-17.3...
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Page 18: Front Side View
MTP-NT-DEC8/16/24/32 Receiver unit for max 32 Channels output via 37 pol. D-sub Inductive transmission 45 MHz version up to 5000 Mbit (10000Mbit on special request!) Front side view Rear side view inductive power Female 37 pole D-sub for analog transmission signal output, CH 1 to 32 status LED IND-Pickup head... -
Page 19: System Parameters
MTP-NT-DIG-DEC-V2 Receiver unit with ethernet (LAN) output Inductive transmission 45 MHz version up to 5000 Mbit (10000Mbit on special request!) Field strength indicator LAN OUT Sync LED Error LED Low Batt. LED use! ON/OFF Active level LED of Pickup head ON/OFF switch IND-Pickup head... - Page 20 MTP-NT – Example mounting of second pick up at flat coil on shaft Page 20 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 21 MTP-NT – Example mounting of second pick up at coil ring Page 21 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 22 Picture of IND-PICKUP-HEAD 45MHz IND-PICKUP-HEAD 45MHz - cable rear side (radial to shaft) IND-PICKUP-HEAD 45MHz – cable right side (axial to shaft) Page 22 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 23 Dimensions of IND-PICKUP-HEAD 45MHz - cable rear side (radial to shaft) Page 23 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 24 Dimensions of IND-PICKUP-HEAD 45MHz – cable right side (axial to shaft) Page 24 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 25 MTP-NT-DIG-DEC-V2 - Range of digital values in TCP data stream: This is a table of the whole range of digital values: nt_digital_range.xlsb The column "decimal" shows the unsigned short value, coming in the TCP data stream. This values must be converted into signed short (by subtracting 32768). The column "bipolar"...
- Page 26 -NT-DIG-DEC-V2 ethernet data format: MTP-NT DEC4/8/16/24/32 with analog output via BNC (4/8) or Sub-D 16/24/32 (Output single-ended) 4 CH 8 CH 16/24/32 CH MTP-NT-DIG-DEC-V2 with ethernet output via LAN 2-256 CH Page 26 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 27 MTP-NT STG - Acquisition module for 2 channels strain gages (STG) MTP-NT-STG2 Acquisition module for 2 strain gauges Full or half bridge (≥ 120 Ω) Quarter bridge (120 Ω or 350 Ω) Fixed excitation voltage: 4.0 Vdc Offset compensation by auto zero Manual offset shifting after auto zero Input ranges ±40 to ±0.3 mV/V Shunt-calibration 75 kΩ...
- Page 28 Of course, all channels can be configured independently (e.g., Channel 1 = Full Bridge, and Channel 2 = Half Bridge). Page 28 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 29 MTP-NT IEPE - Acquisition module for 2 channels IEPE (ICP) sensor MTP-NT-IEPE2 Acquisition module for 2x ® IEPE/ICP sensors Excitation current: 4.0 mA Input ranges: 20 to 0.3 Vpp Signal bandwidth 3 Hz to 24000 Hz* (*see table of max. cut-off frequency) ADC Resolution: 18 bit Measurement uncertainty <...
- Page 30 MTP-NT VOLT - Acquisition module for 2 channels VOLT inputs MTP-NT-VOLT2 Acquisition module for 2x high level voltage inputs Input ranges ±10 to ±0.08 V Signal bandwidth 0 Hz to 24000 Hz* (*see table of max. cut-off frequencies) +4 V sensor excitation (max. 33 mA) ADC Resolution: 18 bit Measurement uncertainty <...
- Page 31 MTP-NT POT2 - Acquisition module for 2 potentiometer sensors MTP-NT-POT2 Acquisition module for 2x potentiometer sensors Potentiometer resistance ≥ 120 Ω Fixed excitation voltage: 4.0 Vdc Input resistance: 667 kΩ Signal bandwidth 0 Hz to 24000 Hz* (*see table of max. cut-off frequencies) ADC Resolution: 18 bit Measurement uncertainty <...
- Page 32 MTP-NT XVDT - Acquisition module for 2 channels LVDT/RVDT sensors MTP-NT-XVDT2 Acquisition module for 2x LVDT/RVDT sensors Excitation voltage = 4.096 Vpp, rounded rectangle Excitation frequency = 8 kHz (changeable by software) Sensor impedance ≥ 100 Ω (@ 8 kHz) Signal bandwidth 0 Hz to 200 Hz Programmable lowpass filter Power supply (VBB): 6 to 9 Vdc...
- Page 33 MTP-NT THERMO - Acquisition module for 2 channels THERMO inputs MTP-NT-THERMO 2 Acquisition module for 2x Temperature Sensor Inputs galvanically isolated (max. potential difference 32 Vdc) Lowpass filter 1 Hz to 32 Hz (programmable) RTD Sensor types: PT100, PT500, PT1000 Connection: 2-Wire and 3-Wire Excitation current: 1 mA Thermocouple Sensor types: K(NiCr-Ni), J(Fe-CuNi), E(NiCr-...
- Page 34 Of course, all channels can be configured independently (e.g., channel 1 = Thermo Couple, and channel 2 = RTD). Page 34 (44) Version 2020-17.3 Technical Data are subject to change without notice!
- Page 35 Coming Soon MTP-NT-ANALOG - Two Channel Acquisition Module for STG, VOLT, POT, IEPE MTP-NT-ANALOG Two Channel Acquisition Module for strain gauges*, high level voltage signals*, potentiometer sensors*, ® IEPE/ICP sensors*, external Sensor supply (12 Volt typ.) *The functionality is programmable by software ntconfig.exe. Power supply (VBB): 5 to 9 Vdc Current consumption: <160 mA (TBD)
- Page 36 MTP-NT CON-IND-Tx - Controller for 256 channels with integrated IND-Tx MTP-NT-CON-IND-Tx Controller 1-128 acquisition modules = 256 channels Output: PCM built-in inductive transmitter Programmable via RS232/USB adapter and remote software Power supply (VBB): 6 to 9 Vdc Current consumption: 100 mA RS232 connection for configuration Active I/O bus...
- Page 37 MTP-NT IND-PWR - AC/DC Module for inductive power transmission MTP-NT IND-PWR 6V AC/DC Module for inductive power Input: 30-60 kHz, 9-35 Vrms / 24-100 Vpp / 12-50 Vdc Output: 6.0 Vdc Output Current: up to 2400 mA (more on request) Weight: 42 grams Don’t power ON without connecting Analog modules like MTP-NT-STG, IEPE ……...
- Page 38 Instructions for adjusting the resonance The secondary coil for power transmission creates a parallel resonant circuit with a capacitor, which must be tuned to the frequency of the power generator, so that the best possible efficiency is achieved. This (switchable) capacitor is installed in the power module;...
- Page 39 Inductive transmission (2500kbit) with MTP-NT-IND-TX-RX with 45MHz carrier! With 45MHz carrier is only 1x winding necessary! Attach for electromagnetic insulation “Ferrite Tape” 2 x one layer around the shaft. Strip the isolation from the end of the wire with a skinning tool or heat up your soldering iron over 450°C to burn off the insulation from the wire!
- Page 40 MTP-NT CON-IND-TX with 45MHz carrier Pickup head (2500kbit) 5-50mm Inductive Pick-Up head mount in this position! Distance between head and Tx coil can be up to 50mm Distance depends of application!! CAUTION: If you want to install also an inductive power coil close to the data coil, the minimal distance must be >2mm! (distance between IND-DATA coil to IND-POWER coil) Page 40 (44) Version...
- Page 41 MTP-NT-DEC 8/16/32 Receiver unit for max 32 Channels output via 37 pol. Sub D (radio transmission version with HF BOX Quad with 4 receiver 1250 … 5000kbit) PCM OUT Pin 1 ----- Pin 2 = PCM + (pink wire) Pin 3 = PCM -- (blue wire) Pin 4/5 = common GND &...
- Page 42 Water protected, but not connectors! HF SMA HF LED antenna ON if OK connection Pins are for KMT internal use only! Typical connection Power and data Wire antenna for shaft application with SMA connector MTP-NT-Control with MTP HF-Tx MT32-IND-TX (Version until 2015) for MTP...
- Page 43 MTP 312.5 - 5000k Installation of the radio transmitter on a shaft For rotating application we normal recommend an inductive transmission instead of radio transmission! Cable Red = +5V Cable Black = GND (Ground) Cable Brown = PCM In Cable White = Wire antenna All cable connections should be soldered.
- Page 44 Recommend position of receiving standard magnetic foot antennas if the radio transmitter antenna is mount on top of end of shaft Page 44 (44) Version 2020-17.3 Technical Data are subject to change without notice!
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