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Mutec MF3000 Ex, Руководство по обслуживанию

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11/2018 

 

 

 

 

 

23 

 

10.5. 

Analog output  

 

 

Fig. 24

 

 

 

Parameterization of the analog output: 

 

Range begin 

 

 

- 

0 % 

- value analog output signal    

Range end 

 

 

- 

100 % 

- value analog output signal   

Lower-limit 

 

 

- 

minimal output signal

 

Upper-limit 

 

 

- 

maximal output signal

 

Value 

 

 

 

- 

output signal in case of no connection to flow sensor 

Filter 

 

 

 

- 

Filter 1

st

 order, adjustable between 0.1 … 99.9 s 

 

Calibration 4mA/2V 

 

- 

After pushing the button 

adjust

 

calibration  

 

the analog value-1 can be adjusted to 4.000 mA or  

2.000 V and 

Calibration 20mA/10V

 

 

- 

the analog value-2 to 20.000 mA or 10.000 V.      

 

 

 

Changed parameters will be lost by leaving the screen mask. They will be transferred and stored in the 

MFI3000 by the instruction 

Extras/Program parameters

. 

 

 

 

Analog output with constant current:  

DIP-switch 3 OFF! 

Analog output with voltage signal: 

DIP-switch 3 ON! 

 

 

 

Содержание MF3000 Ex

Страница 1: ...ec Instruments GmbH Tel 49 0 4185 80 83 0 Email muetec muetec de Bei den Kämpen 26 Fax 49 0 4185 80 83 80 Web www muetec de D 21220 Seevetal Ramelsloh Service manual MF3000 Ex Mass flow measuring system for solids ...

Страница 2: ...s document as well as utilization and disclosure of its content are prohibited unless expressly permitted Any breach or infringement shall result in liability for damages The software described in this document is licensed and may only be used and copied in accordance with the terms of the license All rights reserved Disclaimer We have checked the content of the printed document for compliance wit...

Страница 3: ...Terminal connections 10 6 System structure 11 6 1 Jumper Configuration 12 6 2 Block Diagram of MFI 3000 12 7 Mounting and Assembly 13 8 Function Description 16 9 Calibration of Measured Value 17 10 Configuration Program MF SMART 18 10 1 Read device settings 18 10 2 Products measurement range 19 10 3 Products Input calibration 20 10 4 Products Digital outputs 22 10 5 Analog output 23 10 6 System 24...

Страница 4: ...onary measures are not taken CAUTION without a triangular warning sign means that material damage may occur if the appropriate precautionary measures are not taken ATTENTION means that an undesired result or state may ensue if the corresponding instruction is not followed NOTE denotes important information about the product handling of the product or the respective part of the documentation is aim...

Страница 5: ... time of printing It is subject to technical modifications in the course of further development DISCLAIMER All modifications to the device fall under the responsibility of the user unless expressly specified otherwise in the operating manual Qualified PERSONNEL are persons who are familiar with installation assembly repair and operation of the product and have the qualifications necessary for thei...

Страница 6: ...5 C Maximum surface temperature 135 C Da Db EPL Equipment Protection Level Very high high level of protection dust Identification in accordance with directive 2014 34 EU for use in gas explosive areas Explosion protected II Equipment group equipment for non mining applications 3 Equipment category normal level of protection G Type of explosive atmosphere gas vapor mist Identification of type of pr...

Страница 7: ...range specified in the technical data chap 4 The maximum permissible ambient temperature for the transmitter MFI3000 must not exceed the temperature range specified in the technical data chap 4 Type Area Identification Certificate no MFS3000 K ExD MFS3000 T ExD Dust Ex II 1 2D Ex ta tb IIIC T135 C Da Db KIWA 20ATEX0029 X MFS3000 K ExG Gas Ex II 3G Ex ec IIC T4 Gc KIWA 20ATEX0030 Installation and o...

Страница 8: ...lues Current supply circuit clamps 3 and 4 Voltage 16 24 VDC Current 25 mA RS485 interface current circuit clamps 1 and 2 Voltage 6 VDC Current 50 mA Applied standards EN IEC 60079 0 2018 EN 60079 7 2015 EN 60079 31 2014 Transmitter MFI3000 Analog output Current 0 20 mA Output value max 22 mA Load max 750 Ω Accuracy 0 02 of the final value Load influence 0 01 Response time 150 ms Damping filter 1s...

Страница 9: ...B mini for PC Notebook RS485 2400 4800 9600 or 19200 bps device address 1 255 Power supply Type energy supply class A C 3 or D C 4 by IEC 654 part 2 AC 24 VAC 20 to 20 50 60 Hz DC 24 VDC 20 to 30 Power consumption max 2 W Power LED green good condition of the supply Electromagnetic Compatibility This product meets the specifications according to the EMC directive 2014 30 EU More Data Fail LED red ...

Страница 10: ...11 2018 10 5 Terminal connections Fig 4 ...

Страница 11: ...are MF SMART The process interface is realized by the welding branch in which the sensor is screwed flush with the inside of the pipe The sensor is connected to the transmitter by a 4 wire cable The transmitter contains an analog output a pulse output an alarm relay output as well as a USB and a RS485 interface Fig 5 Flow Sensor MFS3000 Ex Fig 6 ...

Страница 12: ...ront panel the following switch positions can be used to make settings for the RS485 interface and analog output Fig 7 Switch 1 2 Switch to ON for RS485 interface termination Switch 3 Defines the analog output mode 4 20 mA DC current Schwitch 3 OFF or 0 10 V DC voltage Switch 3 ON Switch 4 not connected 6 2 Transmitter MFI3000 Block Diagram Fig 8 ...

Страница 13: ... needed for the installation Some important notes should be observed regarding the choice of the optimal installation position The welding branch can be installed into a horizontal transport line or into a vertical free fall line The assembly is always expedient into a free fall line The vertical line tracing has to be preferred upward in case of air conveying lines The distances of the inlet outl...

Страница 14: ...flush with the pipe wall so that it doesn t reach into the pipe The screwing of the flow sensor into the welding branch occurs up to the marked line The use of Teflon ribbon is recommended for the better insulation The polarization axis indicated on the type plate is aligned in parallel to the pipe axis A firm attracting of the jam nut wrench size 32 on the thread shaft fixes the flow sensor perma...

Страница 15: ...is should always carried out on the transmitter side For the wiring at the flow sensor the cable sheath and the shielded wiring must be removed With a piece of shrinkage tube slid over the end of the cable sufficient insulation of the shielded wiring to the screwed cable gland or housing is achieved and an undesired grounding contact can be avoided Fig 13 ...

Страница 16: ...t the flowing solid substances and lead to a frequency displacement Doppler effect of the reflected signal The intermediate frequency signals whose frequency and amplitude are proportional to speed and size of the solid substance parts will be collected and used as basis for the calculation of the solid substance quantity Deposits at the pipe wall will not influence the measurement Placed in a sta...

Страница 17: ...routine for the first calibration point will be started with the installed software MF SMART on the PC The measured raw value will be determined and assigned to the real mass flow the reference value For the second calibration point and the second quantity repeat the steps in the same way 2 point calibration linear characteristic curve Fig 15 Fig 16 Calibration of 3 points or more In case of pneum...

Страница 18: ...gram and calibration write in MFI3000 Online display display with layout of raw measuring values unfiltered filtered and integrator PC Settings USB Virtual serial interface COM1 COM10 Device address USB front socket MFI3000 device address direct RS485 Interface MFI3000 device address 1 255 Baud rate 19200 bps fixed Data logger File name File name for stored measuring values Acquisition rate 5 meas...

Страница 19: ... 3 xx MF SMART program version Device address MODBUS address direct or 1 255 COM1 19200 PC interface COM 1 with Baud rate 19200 bps Interface status Status of PC interface Data logger Data logger is off Device software Program version of MFI3000 Changed parameters will be lost when you leave the screen mask They will be transferred and stored in the MFI3000 by the instruction Extras Program parame...

Страница 20: ...essing another button in the screen mask Changed parameters and calibration values will be lost by leaving the screen mask They will be transferred and stored in the MFI3000 by the instruction Extras Program parameters and calibration Important information about sensor calibration The measured value is digitized by a 10 Bit ADC and consists of values between 0 and 1023 In order to avoid any distor...

Страница 21: ... characteristic curve the first calibration point should be next to the start of the measuring range and the second calibration point at about 90 of the measuring range Fig 22 Online mask Product Product name Measuring value Parameterized quantity to be measured Raw value 10 bit value of the measuring value Raw value filtered 10 bit value of the measuring value after filtering Output Analog value ...

Страница 22: ... 99 99 pulses per flow rate unit Time scale According to the time entered in the screen mask measuring range Example Measuring range 40 to 800 0 kg h Pulse per unit 10 pulses kg h Time scale hour Pulse rate min 400 pulses h to max 8000 pulses h or min 0 11 pulses s to max 2 22 pulses s The Pulse output should be parameterized in the way that at an averaged maximum flow rate a pulse rate of 10 puls...

Страница 23: ...Filter 1st order adjustable between 0 1 99 9 s Calibration 4mA 2V After pushing the button adjust calibration the analog value 1 can be adjusted to 4 000 mA or 2 000 V and Calibration 20mA 10V the analog value 2 to 20 000 mA or 10 000 V Changed parameters will be lost by leaving the screen mask They will be transferred and stored in the MFI3000 by the instruction Extras Program parameters Analog o...

Страница 24: ...on to a PC or process control system the terminals T5 T6 provide a system connection with RS485 interface MF3000 USB Interface With the program MF SMART it is possible to access all parameters and variables of the system via the USB front socket of the MFI3000 without the need for adjusting interface parameters The update of a changed baud rate will take place after a system reset by a short inter...

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