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KMT MTP-NT User Manual Download Page 20

Version 2018-14-CN 

20

 

Technical Data are subject to change without notice! 

 

MTP-NT STG  -  Acquisition module for 2 channels strain gages (STG)  

 

 
 
 
 
 

 
MTP-NT-STG2 

Acquisition module for 2 strain gauges 
Full, half and quarter bridge (≥ 350 Ω) 
Full, 

half and quarter bridge (120 Ω) 

Fixed excitation 4 Vdc 
Offset compensation by auto zero 
Manual offset shifting after auto zero 
Gain 62.5-8000 (40 to 0.3 mV/V) 
Shunt-

calibration 100 kΩ  0.1% 

Signal bandwidth 0 Hz to 24000 Hz*  
(*see table of cut-off-frequencies) 
ADC Resolution 16 Bit 
Gain uncertainty < 0.1% 
Power supply: VBB = 6 to 9 Vdc 
Current consumption (with full  
         bridge 350 Ohm)  90 mA

 

 

 

 

 

Status LED 

ON = OK 

Powering and 
digital bus I/O 

BUS I/O 

BUS I/O 

STG connection 

for 2 channels 

Summary of Contents for MTP-NT

Page 1: ... application fully software programmable with 16 bit resolution INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY 2 to 256 channels 16 bit ADC internal 18 bit Signal bandwidth up to 24000 Hz Fully software programmable Inputs STG IEPE VOLT THERMO Inductive or battery powered Auto offset compensation STG VOLT Rugged housing water protected 4V Bridge excitation Analog output 10V STG Input ranges 40 to 0 3 m...

Page 2: ...ts because this results in eddy currents which could overload the device and strong heat up small objects Also the probe could be destroyed No metallic objects other than the disc type coil should be 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 a...

Page 3: ...requencies ADC Resolution 16 Bit Measurement uncertainty 0 1 Power supply 6 to 9 Vdc Current consumption with two full bridges 350 Ohm 100 mA 60 x 40 x 10 mm Weight 40 grams MTP NT IEPE2 Acquisition module for 2 IEPE ICP sensors Current EXC 4mA Input ranges 20 to 0 3 Vpp Signal bandwidth 3 Hz to 24000Hz see table of cut off frequency ADC Resolution 16 Bit Measurement uncertainty 0 1 Power supply 6...

Page 4: ...Version 2018 14 CN 4 Technical Data are subject to change without notice MTP NT connection overview ...

Page 5: ...Version 2018 14 CN 5 Technical Data are subject to change without notice MTP NT housing dimensions for 2 and 4 channels ...

Page 6: ...Version 2018 14 CN 6 Technical Data are subject to change without notice MTP NT Bock diagram ...

Page 7: ...Version 2018 14 CN 7 Technical Data are subject to change without notice MTP NT Modules mounting plate example for shaft diameters 100 200 or 150 250mm ...

Page 8: ...ut notice MTP NT Setting of parameters or firmware update of all modules via RS232 All parameters are programmable over RS232 RS232 USB adapter or Bluetooth COM M require MTP NT Bluetooth module COM M BUS I O BUS I O RS232 connection Inductive data coil connection ...

Page 9: ...Version 2018 14 CN 9 Technical Data are subject to change without notice Download latest firmware windows config software user manual and other tools under https www kmt telemetry com support mtp nt ...

Page 10: ...ll MTP NT systems All MTP NT modules no matter what function they have work with the same firmware Therefore with a single operation a complete MTP NT system can be updated to the latest firmware version Just double click nt_update exe and the update will start Click with mouse on COM1 115200 E 8 1 and you can select ...

Page 11: ... select the COM port of your USB COM adapter e g COM3 baudrate must select 115200 parity must select EVEN data bits must select 8 bits stop bits must select 1 bits save settings permanently yes OK After your settings reset MTP NT system with power OFF ON and the setup will start automatically ...

Page 12: ...ows config software user manual and other tools under https www kmt telemetry com support mtp nt ntconfig zip Download ntconfig zip file and extract zip file to e g desktop Open ntconfig folder and start ntconfig exe This software must not install on windows You can start direct from this ntconfig folder ...

Page 13: ...ion 2018 14 CN 13 Technical Data are subject to change without notice Load and Save Configuration file function coming soon Setup your serial bus connection Select COM port of your USB COM adapter e g COM3 ...

Page 14: ...sion 2018 14 CN 14 Technical Data are subject to change without notice Now the setup will download from the MTP NT CONTOLER in real time Green frame This function coming soon Red frame is full in function ...

Page 15: ...ice 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 complete connected GOOD BAD ...

Page 16: ...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 connecto...

Page 17: ... x 65mm 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 Pick...

Page 18: ...Version 2018 14 CN 18 Technical Data are subject to change without notice MTP NT DIG DEC V2 ethernet data format ...

Page 19: ...x16 bit Data 32 bit reserved Frame Nr 1 CH1 Ch16 32 bit Barker Synch Code 16x16 bit Data 32 bit reserved Frame Nr 2 CH17 Ch32 For 64 Channels 32 bit Barker Synch Code 16x16 bit Data 32 bit reserved Frame Nr 1 CH1 Ch16 32 bit Barker Synch Code 16x16 bit Data 32 bit reserved Frame Nr 2 CH17 Ch32 32 bit Barker Synch Code 16x16 bit Data 32 bit reserved Frame Nr 3 CH33 Ch48 32 bit Barker Synch Code 16x...

Page 20: ...ridge 120 Ω Fixed excitation 4 Vdc Offset compensation by auto zero Manual offset shifting after auto zero Gain 62 5 8000 40 to 0 3 mV V Shunt calibration 100 kΩ 0 1 Signal bandwidth 0 Hz to 24000 Hz see table of cut off frequencies ADC Resolution 16 Bit Gain uncertainty 0 1 Power supply VBB 6 to 9 Vdc Current consumption with full bridge 350 Ohm 90 mA Status LED ON OK Powering and digital bus I O...

Page 21: ...Version 2018 14 CN 21 Technical Data are subject to change without notice ...

Page 22: ...T IEPE2 ICP Acquisition module for 2 IEPE ICP sensors Current EXC 4mA Gain 1 2 4 8 16 32 Signal bandwidth 3 Hz to 24000Hz see table of cut off frequency ADC Resolution 16 Bit Gain uncertainty 0 1 Power supply 6 to 9 Vdc Current consumption 120 mA BUS I O BUS I O ICP connection for 2 channels Status LED ON OK Powering and digital bus I O ...

Page 23: ...ion module for 2x high level inputs Input ranges 10 to 0 08 V Signal bandwidth 0 Hz to 24000 Hz see table of cut off frequencies 4 V sensor excitation max 20 mA ADC Resolution 16 Bit Measurement uncertainty 0 1 Power supply 6 to 9 Vdc Current consumption 60 mA VOLT connection for 2 channels Status LED ON OK Powering and digital bus I O BUS I O BUS I O ...

Page 24: ...urrent 1 mA Thermocouple Sensor types K NiCr Ni J Fe CuNi N NiCrSi NiSi E NiCr CuNi T Cu CuNi R Pt13Rh Pt S Pt10Rh Pt B Pt30Rh Pt6Rh Reference junction compensation internal external RTD sensor Other Sensor types NTC Thermistor customer specific Measuring range 273 15 C to 1635 2 programmable 817 6 408 8 Output resolution 20 Bit K 10 Bit K or 5 Bit K programmable Measurement uncertainty 1 K Sensor...

Page 25: ...Version 2018 14 CN 25 Technical Data are subject to change without notice ...

Page 26: ...ller for 256 channels with integrated IND Tx MTP NT CON IND Tx Controller 1 128 acquisition modules 256 channels Output PCM IND Transmitter included Programmable via RS232 USB adapter and remote software Power supply VBB 6 to 9 Vdc Current consumption 150 mA RF Data coil RF Data coil BUS I O BUS I O ...

Page 27: ...WR 6V AC DC Module for inductive power Input 30 60 kHz 10 40V AC Output 6 1 Vdc Current up to 2400 mA more on request Weight 40 grams Vibration 5 g Shock 3000 g Don t power ON without connected Analog modules like MTP NT STG ICP Otherwise you can damage it MTP NT IND PWR Pin assignment IND PWR COIL AC INPUT 30 60kHz VBB 6V OUT GND BUS I O BUS I O ...

Page 28: ...tage range between VMM and VBB 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 minimum v...

Page 29: ...oil with 1x winding and twisted the end of wire Use CUL 0 63 1 00mm wire CUL Enameled copper wire Fixed it with 3 layers mounting tape Extend the CUL wire flexible 0 14 0 25mm wire to decouple the inflexible 1mm wire at 0 63 not necessary Twisted also 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 with ...

Page 30: ...head 2500kbit Inductive Pick Up head mount in this position Distance between head and Tx coil can be up to 100mm Typical 50mm distance deepens of application CAUTION If you want to install also an inductive power coil close to the data coil the minimal distance must be 5mm distance between IND PWR coil to IND DATA coil ...

Page 31: ...n 2018 14 CN 31 Technical Data are subject to change without notice 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 32: ...Version 2018 14 CN 32 Technical Data are subject to change without notice Dimensions of IND PICKUP HEAD 45MHz cable rear side radial to shaft ...

Page 33: ...Version 2018 14 CN 33 Technical Data are subject to change without notice Dimensions of IND PICKUP HEAD 45MHz cable right side axial to shaft ...

Page 34: ...ntenna 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 con...

Page 35: ...cceleration 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 pic...

Page 36: ...t 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 fi...

Page 37: ...Version 2018 14 CN 37 Technical Data are subject to change without notice Recommend position of receiving standard magnetic foot antennas if the radio transmitter antenna is mount on top of end of shaft ...

Page 38: ...WER XL XXL and XXXL with flat COIL User Manual Inductive power supply set Picture shows standard Inductive Power Supply for diameter up to 300mm INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY 25 and 50mm mounting tape to fix coil on shaft Optional AC DC Adapter 120Watt 24V 5A IND PWR AC DC module Input AC from coil Output 6 1VDC 2400mA CUL 1 00 mm Enamelled copper wire Ferrite tape 30mmx3m Power Head w...

Page 39: ...tallic objects because this results in eddy currents which could overload the device and strong heat up small objects Also the probe could be destroyed No metallic objects other than the disc type coil should be 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 bet...

Page 40: ...WR 6V AC DC Module for inductive power Input 30 60 kHz 10 40V AC Output 6 1 Vdc Current up to 2400 mA more on request Weight 40 grams Vibration 5 g Shock 3000 g Don t power ON without connected Analog modules like MTP NT STG ICP Otherwise you can damage it MTP NT IND PWR Pin assignment IND PWR COIL AC INPUT 30 60kHz VBB 6V OUT GND BUS I O BUS I O ...

Page 41: ...tage range between VMM and VBB 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 minimum v...

Page 42: ...ite Tape 2x parallel and 1x in the middle over two layer around the shaft Make power coil with 3 18 windings for 1000 20mm diameter see diagram and twisted the end of wire Use 0 63 1 00 mm 1 00mm for diameter of 100 1000mm CUL wire Enameled copper wire Strip the isolation from the end of the wire with a skinning tool or head up you soldering iron over 450 C to burn off the insulation from the wire...

Page 43: ...power head in the max distance to the coil The output voltage must be 6 5 V The pins Coil are the AC power input from the coil On the pins 6 5 and GND you get a stabilized output voltage of 6 5V DC The max load current on the DC output is 2400mA The IND PWR converter will use instead battery pack Never use any battery together with the MTP NT IndPwr You should mount the power head at a fixed locat...

Page 44: ...ng capacity from 150nF up to 470nF Windings 1 nF Diameter mm 4 250nF 1000 5 150nF 600 6 150nF 490 8 150nF 205 9 150nF 160 10 150nF 135 12 150nF 95 15 150nF 40 18 150nF 35 21 150nF 25 23 150nF 20 Distance dependent of current consumption e g 2000mA at 5 10mm 500mA at 10 15mm 0 200 400 600 800 1000 1200 0 5 10 15 20 25 Diameter mm Windings Optimum windings for steel shafts Magnetic field Distance 5 ...

Page 45: ...heads Diameter 150mm 300mm 500mm 1000mm 4 Channel XL XL XL 2XL 8 Channel XL XL 2XL 3XL 16 Channel XL 2XL 3XL 3XL 32 Channel 2XL 3XL 3XL 4XL IND PWR HEAD XL and XXL IND PWR HEAD XXXL old version Caution for use of XXL and XXXL power heads Cable must unrolled for use otherwise it will warm up ...

Page 46: ...Version 2018 14 CN 46 Technical Data are subject to change without notice Dimensions of IND PWR HEAD XL and XXL ...

Page 47: ...Version 2018 14 CN 47 Technical Data are subject to change without notice Dimensions of IND PWR HEAD XXXL old Version ...

Page 48: ...Version 2018 14 CN 48 Technical Data are subject to change without notice Dimensions of IND PWR HEAD 3XL New Version ...

Page 49: ...Version 2018 14 CN 49 Technical Data are subject to change without notice Dimensions of IND PWR HEAD 4XL New Version ...

Page 50: ... the inductive power head Example of mounting Magnetic field Shaft with Cu wire Coil Don t use for mounting any kind metal in this area 25 30mm Otherwise magnetic energy will flow in the metal and decrease the distance between power head and coil on shaft 25 30mm Wrong Mounting only if metal plate cover the active area of inductive head ...

Page 51: ... generator for 3XL and 4XL with cooling rip Power output AC 25 35kHz for power head L XL XXL 3XL and 4XL Power input 10 30 V DC typical 24V Power consumption 100 Watt deepens of power head Dimensions 205 x 105 x 65mm Weight 1 275 kg 2XL 3 350 kg 4XL Environmental Operating 20 70 C Humidity 20 80 not condensing Vibration 5g Mil Standard Static acceleration 10g in all directions Shock 50g in all dir...

Page 52: ...Version 2018 14 CN 52 Technical Data are subject to change without notice IND Power generator for L XL and 2XL Powerhead Dimensions ...

Page 53: ...Version 2018 14 CN 53 Technical Data are subject to change without notice IND Power generator for 3XL and 4XL Powerhead Dimensions Mounting plate is an option ...

Page 54: ...t typical 24V 5A power head up to 100 WATT deepens of power head E have no function Powering and AC out Power Switch Power INPUT DC 10 30V typical 24V up to 100WATT LED flashing auto adjustment LED ON finish ON Inductive resonance freq of power head reached Can take up to 20sec Power control LED Control out of function AC 25 35kHz output for power head ...

Page 55: ... telemetry com MTP INDUCTIVE POWER with RING COIL User Manual Inductive power supply set INSTRUCTIONS FOR QUALIFIED PERSONNEL ONLY IND PWR AC DC module Input AC from coil Output 6 5VDC max 2400mA Power Head with 5m cable optional longer cable up to 25m Power supply for power head Inductive ring coil CUL 0 63 mm for IND PWR coil and IND DATA coil Enamelled copper wire DC power cable AC DC Adapter 1...

Page 56: ...tallic objects because this results in eddy currents which could overload the device and strong heat up small objects Also the probe could be destroyed No metallic objects other than the disc type coil should be 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 bet...

Page 57: ...WR 6V AC DC Module for inductive power Input 30 60 kHz 10 40V AC Output 6 1 Vdc Current up to 2400 mA more on request Weight 40 grams Vibration 5 g Shock 3000 g Don t power ON without connected Analog modules like MTP NT STG ICP Otherwise you can damage it MTP NT IND PWR Pin assignment IND PWR COIL AC INPUT 30 60kHz VBB 6V OUT GND BUS I O BUS I O ...

Page 58: ...tage range between VMM and VBB 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 minimum v...

Page 59: ...ical 5 50mm In ideal case upto 100mm IND PWR Head Distance to coil 5 30 mm IND Data Pickup Distance to coil 50mm IND Data Pickup Distance to coil 50mm Solder pins for data coil and wire to IND TX 45MHz Please use twisted wire If you use longer wires 100mm please use shied and twisted wire e g LAN cable CAT 7 max 1000mm recommend only shielded Solder pins for power coil and wire to IND PWR 6 5V Ple...

Page 60: ... COIL uncouple the 45MHz frequency from inductive data coil with ferrite core filter to reach better transmitting range Power wire from power coil Must not be shield Add Ferrite core not more necessary Data wire from data coil We recommend at longer wires 100mm to us shield cable ...

Page 61: ...mmend to fix the wire of coil with some epoxy resin data power coil Use shrink tubing Direct behind the solder pins the data wire must be twisted otherwise you can get data transmission problems Best use shield twisted pair cable or cover wire with aluminum foil Avoid this bad wiring Here you can get transmission problems Good Bad ...

Page 62: ...t notice Inductive power supply RING COIL Distance power head Distance 5 30mm PWR COIL 5 winding with CUL wire 0 63mm Enamelled copper wire Windings depends of diameter See label on RING Coil DATA COIL 1 winding with CUL wire 0 63mm Enamelled copper wire Distance 9mm ...

Page 63: ...Version 2018 14 CN 63 Technical Data are subject to change without notice Inductive power supply Example of a RING COIL with inner diameter 191mm ...

Page 64: ...Version 2018 14 CN 64 Technical Data are subject to change without notice Dimensions of IND PWR HEAD XXL ...

Page 65: ...Version 2018 14 CN 65 Technical Data are subject to change without notice Dimensions of IND PWR HEAD XXL ...

Page 66: ...Version 2018 14 CN 66 Technical Data are subject to change without notice IND PWR HEAD XXL Caution for use of power heads Cable must unrolled for use otherwise it will warm up ...

Page 67: ...Version 2018 14 CN 67 Technical Data are subject to change without notice Dimensions of IND PWR HEAD XXXL Old version ...

Page 68: ...Version 2018 14 CN 68 Technical Data are subject to change without notice IND PWR HEAD XXXL Old version Caution for use of power heads Cable must unrolled for use otherwise it will warm up ...

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