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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

 

info

@ kmt-

telemetry.co

 

 

 

MTP-NT 

User Manual 

Sophisticated multi

-

channel telemetry system 

for rotating application, fully software 

programmable with 18 bit

 

resolution

 

 

 

INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY!

 

 

 

2 to 256 channels 

 

18-bit ADC 

 

Signal bandwidth up to 24000 Hz 

 

Fully software programmable 

 

Inputs: STG, POT, IEPE, VOLT,  

 

Inductive or battery powered 

 

       LVDT/RVDT, TH-K-J-S, RTD 

 

Rugged housing,

 

moisture protected 

 

Auto offset compensation (

STG/VOLT

 

Analog /- 10 V 

 

4 Volt Bridge excitation 

 

Digital Ethernet output for PC  

 

STG Input ranges ±40 to ±0.3 mV/V   

 

 

Summary of Contents for MTP-NT Series

Page 1: ...cation fully software programmable with 18 bit resolution INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY 2 to 256 channels 18 bit ADC Signal bandwidth up to 24000 Hz Fully software programmable Inputs STG POT IEPE VOLT Inductive or battery powered LVDT RVDT TH K J S RTD Rugged housing moisture protected Auto offset compensation STG VOLT Analog output 10 V 4 Volt Bridge excitation Digital Ethernet outpu...

Page 2: ... located in the air gap of the power head The same applies to metallic parts within a radius of up to 50 mm in all directions Do not use damaged or faulty cables Never touch in the area between shaft and inductive head the rotating shaft itself or rotor electronic contacts during operation This is a Class A system suitable for operation in a laboratory or industrial environment The system can caus...

Page 3: ...certainty 0 1 Power supply VBB 6 to 9 Vdc Current consumption 80 mA 60 x 40 x 10 mm Weight 42 grams 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 Current consumption 130 mA wi...

Page 4: ... Hz 12000 Hz 31250 Hz 6000 Hz 15625 Hz 3000 Hz 7812 5 Hz 1500 Hz 3906 25 Hz 750 Hz 1953 125 Hz 5000 kbit s 24000 Hz 62500 Hz 12000 Hz 31250 Hz 6000 Hz 15625 Hz 3000 Hz 7812 5 Hz 1500 Hz 3906 25 Hz 750 Hz 1953 125 Hz 375 Hz 976 56 Hz 2500 kbit s 24000 Hz 62500 Hz 12000 Hz 31250 Hz 6000 Hz 15625 Hz 3000 Hz 7812 5 Hz 1500 Hz 3906 25 Hz 750 Hz 1953 125 Hz 375 Hz 976 56 Hz 190Hz 488 28 Hz 1250 kbit s 1...

Page 5: ...Version 2020 17 3 Technical Data are subject to change without notice Page 5 44 MTP NT connection overview ...

Page 6: ... S Other lengths on request Sensor cable with open end 2x 4 pin STG or POT cut it to the riquired length MTP NT C In 2x4 Signal cable 220 mm with open ends 2x 2 pin VOLT or IEPE cut it to the riquired length MTP NT C In 2x2 220 mm or 500 mm MTP NT BUS C L 220 mm MTP NT BUS C M 170 mm MTP NT BUS C S 120 mm 220 mm or 500 mm ...

Page 7: ... open ends shielded cut it on the right length MTP NT C D COIL 500 Power coil cable 500 mm with open ends cut it on the right length MTP NT C P COIL 500 RS 232 Connection cable 1 m to RS232 USB Adapter MTP NT Config C RS232 USB Adapter 500 mm shield cable with open ends 500mm cable with open ends Shield must connect on housing earth ...

Page 8: ...Version 2020 17 3 Technical Data are subject to change without notice Page 8 44 MTP NT Bus connection ...

Page 9: ...Version 2020 17 3 Technical Data are subject to change without notice Page 9 44 MTP NT housing dimensions for 2 and 4 channels ...

Page 10: ...Version 2020 17 3 Technical Data are subject to change without notice Page 10 44 MTP NT Bock diagram ...

Page 11: ...Version 2020 17 3 Technical Data are subject to change without notice Page 11 44 MTP NT Bock diagram on shaft ...

Page 12: ...Version 2020 17 3 Technical Data are subject to change without notice Page 12 44 MTP NT Modules mounting ...

Page 13: ...Version 2020 17 3 Technical Data are subject to change without notice Page 13 44 MTP NT Modules mounting plate example for shaft diameters 100 200 or 150 250mm ...

Page 14: ...ual for details https www kmt telemetry com support mtp nt Files MTP NT SW pdf All parameters are programmable over RS232 RS232 USB adapter or wirelessly via BLUE and COMM requires MTP NT Bluetooth module NT BLUE KMT COMMUNICATOR BUS I O RS232 connection Inductive data coil connection Optional radio transmitter connection Active bus with all functions Inactive bus only for VBB GND VBB GND ...

Page 15: ...UE Bluetooth module to transfer RS232 wirelessly Remote On Off concerns battery powered versions 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 Status LED ON OK Powering and digital bus I O Pin antenna Powering only ...

Page 16: ...on to PC Connected to PC or notebook Remote control for switch ON OFF battery on rotating part Press button once 1x ON LED on BLUE module rotor side is ON Press button twice 2x OFF LED on BLUE module rotor side is blinking Switching ON OFF of KMT communicator Press button long 4 seconds switching the communicator ON OFF powering of communicator with internal 9V Lithium battery If the communicator ...

Page 17: ... 17 44 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 18: ...4 Watt Dimensions 205 x 105 x 65mm Weight 1 25 kg without cables and data pickup head Overall measurement uncertainty sensor input decoder output 0 1 without sensor influences Environmental Operating 20 C to 70 C Humidity 80 not condensing 20 C Vibration 5g Static acceleration 10g in all directions Shock 100g in all directions Front side view Rear side view Power Switch 7 pole female TUCHEL connec...

Page 19: ...mm Weight 0 990 kg without cables and data pickup head Overall measurement uncertainty sensor input decoder output 0 1 without sensor influences Environmental Operating 20 C to 70 C Humidity 80 not condensing 20 C Vibration 5g Static acceleration 10g in all directions Shock 100g in all directions 7 pole female TUCHEL connector for power supply input 10 30V DC Field strength indicator IND Pickup he...

Page 20: ...Version 2020 17 3 Technical Data are subject to change without notice Page 20 44 MTP NT Example mounting of second pick up at flat coil on shaft ...

Page 21: ...Version 2020 17 3 Technical Data are subject to change without notice Page 21 44 MTP NT Example mounting of second pick up at coil ring ...

Page 22: ...20 17 3 Technical Data are subject to change without notice Page 22 44 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 23: ...Version 2020 17 3 Technical Data are subject to change without notice Page 23 44 Dimensions of IND PICKUP HEAD 45MHz cable rear side radial to shaft ...

Page 24: ...Version 2020 17 3 Technical Data are subject to change without notice Page 24 44 Dimensions of IND PICKUP HEAD 45MHz cable right side axial to shaft ...

Page 25: ...d input voltage 10 Volt digital value unsigned short 65472 bipolar value 32704 Temperature measurement The digital output resolution is 0 05K step 20 steps Kelvin This means that the bipolar value must be divided by 20 to get the temperature Example sensor temperature 100 C digital value unsigned short 34768 bipolar value 2000 sensor fault message sensor break Temperature value 999 0 C unreasonabl...

Page 26: ...ct to change without notice Page 26 44 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 27: ...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 25 5 kΩ 0 1 Signal bandwidth 0 Hz to 24000 Hz see table of max cut off frequencies ADC Resolution 18 bit Measurement uncertainty 0 1 Power supply VBB 6 to 9 Vdc Current consumption 100mA with two full bridges 350 Ω Status LED ON OK Powering and digi...

Page 28: ...Version 2020 17 3 Technical Data are subject to change without notice Page 28 44 Of course all channels can be configured independently e g Channel 1 Full Bridge and Channel 2 Half Bridge ...

Page 29: ...quisition 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 0 1 Power supply VBB 6 to 9 Vdc Current consumption 140 mA BUS I O BUS I O ICP connection for 2 channels Status LED ON OK Powering and digital bus I O ...

Page 30: ...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 0 1 Power supply VBB 6 to 9 Vdc Current consumption 80 mA VOLT connection for 2 channels Status LED ON OK Powering and digital bus I O BUS I O BUS I O ...

Page 31: ... 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 0 1 Power supply VBB 6 to 9 Vdc Current consumption 90 mA with two 1 kΩ potentiometers BUS I O BUS I O POT connection for 2 channels Status LED ON OK Powering and digital bus I O ...

Page 32: ...le 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 Current consumption 130 mA with 2x MHR500 XVDT connection for 2 channels Status LED ON OK Powering and digital bus I O BUS I O BUS I O ...

Page 33: ...sor types K NiCr Ni J Fe CuNi E NiCr CuNi T Cu CuNi R Pt13Rh Pt S Pt10Rh Pt B Pt30Rh Pt6Rh Reference junction measurement internal external RTD sensor Other Sensor types NTC Thermistor N NiCrSi NiSi customer specific Measuring range 273 15 C to 1635 2 C fullscale value reducible to 1000 C 500 C 250 C Output resolution 0 05K step 20 steps Kelvin Measurement uncertainty 1 K Sensor break detection me...

Page 34: ...Version 2020 17 3 Technical Data are subject to change without notice Page 34 44 Of course all channels can be configured independently e g channel 1 Thermo Couple and channel 2 RTD ...

Page 35: ...cquisition 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: ...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 RF Data coil RF Data coil Optional HF radio transmitter ti Active I O bus with all functions Inactive I O bus only for VBB GND RS232 connection for configuration ...

Page 37: ...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 Otherwise you could damage it MTP NT IND PWR Pin assignment VBB 6V OUT GND IND PWR COIL AC INPUT 30 60kHz max 60V AC BUS I O BUS I O Resonance Freq Adjustment via jumper or solder bridges Unregulated DC voltage in output Unregulated ...

Page 38: ...voltage range between VMM and VDC This voltage is the rectified internal operating voltage of the power module The absolute maximum value of this voltage is 60 volts DC and under no circumstances should it be exceeded Therefore during initial start up the power head should not be brought too close to the secondary coil and then slowly approached to the coil while observing the voltmeter The minimu...

Page 39: ...ng coil with 1x winding and twisted the end of wire Use CUL 0 63 0 75 or 1 00mm wire CUL Enameled copper wire Fix it with 3 layers mounting tape Extend the CUL wire flexible 0 14 0 25mm wire to decouple the inflexible 1mm wire at 0 75 not necessary Twist the flexible wire and solder it on the MTP NT IND Tx isolate all solder points with shrink tubing Strip the isolation from the end of the wire wi...

Page 40: ...ickup head 2500kbit 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 5 50mm ...

Page 41: ...d antenna Environmental Operating 20 70 C Humidity 20 80 not condensing Vibration 5g Static acceleration 10g in all directions Shock 100g in all directions Active DATA LED up to 2 receivers can be active If a fault data is identified it will switch automatically to a valid data from other receiver 4x SMA inputs for RX antenna Transmission error LED Fuse of powering defect LED 7 pole female TUCHEL ...

Page 42: ...ic acceleration 3000g Shock 10000g Water protected but not connectors Wire antenna for shaft application with SMA connector Pins are for KMT internal use only Typical connection Power and data MTP NT Control with MTP HF Tx MT32 IND TX Version until 2015 for MTP Inductive data transmission transmitter with 45MHz carrier Transmission rate 2500kbit s Distance up to 100mm typical 50mm between coil and...

Page 43: ...oint to point applications option Transmitting antenna 0dB with magnetic foot option Installation of quad antennas 4x Install about 1m far from shaft 1x up and 1x down side and 1x left and 1x right side About 1m distance to each other antenna Installation of diversity antennas 2x Install about 1m far from shaft 1x up and 1x down side Mount the cable antenna exactly one winding around the shaft and...

Page 44: ...ion 2020 17 3 Technical Data are subject to change without notice Page 44 44 Recommend position of receiving standard magnetic foot antennas if the radio transmitter antenna is mount on top of end of shaft ...

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