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Application examples

KM3701, KM3702 and KM3712

21

Version: 2.0.0

• enables monitoring and avoidance of overpressure

4.3

KM3712 - Application example

WARNING

Risk of injury through electric shock and damage to the device!

Bring the Bus Terminals system into a safe, de-energized state before starting mounting,
disassembly or wiring of the Bus Terminals!

Packaging plant for eggs

Fig. 13: EM3712 - Application example Packging plant for eggs

• controls suction

• Pressure deviations indicate leakages or positioning inaccuracies

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Содержание KM3701

Страница 1: ...Documentation KM3701 KM3702 and KM3712 Pressure Measuring Module 2 0 0 2017 11 20 Version Date...

Страница 2: ......

Страница 3: ...locking 16 3 3 Connection 18 4 Application examples 19 4 1 KM3701 Application examples 19 4 2 KM3702 Application example 20 4 3 KM3712 Application example 21 5 KS2000 Configuration software 22 5 1 KS2...

Страница 4: ...Table of contents KM3701 KM3702 and KM3712 4 Version 2 0 0...

Страница 5: ...sis of the data diagrams and descriptions in this documentation Trademarks Beckhoff TwinCAT EtherCAT Safety over EtherCAT TwinSAFE XFC and XTS are registered trademarks of and licensed by Beckhoff Aut...

Страница 6: ...o are familiar with the applicable national standards Description of symbols In this documentation the following symbols are used with an accompanying safety instruction or note The safety instruction...

Страница 7: ...KM3712 0000 Firmware Hardware Firmware Hardware Firmware Hardware 2 0 0 1G 09 1D 07 1E 09 1 2 0 1C 01 1B 01 1B 01 1 1 1 1C 00 1B 00 1B 00 1 1 0 1B 00 1A 00 1A 00 1 0 0 1B 00 1A 00 1A 00 The firmware...

Страница 8: ...o hose connections The pressure difference is available in the fieldbus with 16 bit resolution The measuring range is between 100 hPa and 100 hPa 100 mbar to 100 mbar The status LEDs indicate proper f...

Страница 9: ...7500 hPa 0 to 7 5 bar The relative pressure measuring module KM3702 enables direct measurement of two pressure values at the hose connections The pressure is determined as the difference to the enviro...

Страница 10: ...00 hPa 1 bar to 1 bar The relative pressure measuring module KM3712 allows the direct measurement of two negative pressure values on the hose connections The pressure is determined as the difference t...

Страница 11: ...t consumption from the K bus typically 15 mA Width of a bus terminal block Maximum 64 standard Bus Terminals or 80 cm a KM37xx is equivalent to 2 standard Bus Terminals Electrical isolation 500 V K bu...

Страница 12: ...e measurement takes place via a terminal module The pressure measuring modules convert the measured pressure into an electrical signal and make it available to the higher level controller with a resol...

Страница 13: ...nd 100 mbar between two hose connections The differential pressure can be measured up to an ambient pressure of 7500 hPa 7 bar between any points KM3702 Two channel relative pressure measuring module...

Страница 14: ...values directly Additional measuring devices are unnecessary This avoids connection systems and saves available space compared with the use of conventional measuring devices The installation of the pr...

Страница 15: ...g range 11 Under range red on The differential pressure is below the permitted measuring range 11 KM3702 KM3712 Fig 9 KM3702 KM3712 LEDs LED Display Run green off Data transmission on the K bus is not...

Страница 16: ...ess according to EN 60715 3 2 Mounting and demounting terminals with front unlocking The terminal modules are fastened to the assembly surface with the aid of a 35 mm mounting rail e g mounting rail T...

Страница 17: ...2 Attach the cables Demounting Remove all the cables Lever the unlatching hook back with thumb and forefinger 3 An internal mechanism pulls the two latching lugs 3a from the top hat rail back into the...

Страница 18: ...and KM3712 18 Version 2 0 0 3 3 Connection The air hoses are connected to push in fittings Technical Data Threaded push in fitting Type QSS 4 F Outer hose diameter 4 mm Nominal diameter 2 6 mm Thread...

Страница 19: ...d for flow measurement They can therefore be applied in areas such as process engineering systems engineering building services and heating ventilating and air conditioning Application examples for KM...

Страница 20: ...fference indicates the level of contamination 4 2 KM3702 Application example WARNING Risk of injury through electric shock and damage to the device Bring the Bus Terminals system into a safe de energi...

Страница 21: ...of injury through electric shock and damage to the device Bring the Bus Terminals system into a safe de energized state before starting mounting disassembly or wiring of the Bus Terminals Packaging p...

Страница 22: ...e Fieldbus Box Modules can be prepared before the commissioning phase Later on this configuration can be transferred to the terminal station in the commissioning phase by means of a download For docum...

Страница 23: ...s input and output images can be observed by monitoring Process values can be specified in the output image for commissioning of the output modules All possibilities in the online mode can be used in...

Страница 24: ...ndow contains a graphic display of the fieldbus station terminals In the tree structure of the left hand window click on the plus sign next to the module whose parameters you wish to change pos 2 in t...

Страница 25: ...2 and KM3712 25 Version 2 0 0 5 3 Register Under Register you can directly access the registers of the terminal module KM3701 in this example The meaning of the register is explained in the Register O...

Страница 26: ...field Fig 20 Value field Output values can be modified through direct input or by means of the fader control Fig 21 Value field CAUTION Danger for persons the environment or devices Note that changin...

Страница 27: ...ode the analog value is transferred in the input data word DataIN The output data word DataOUT is not used Representation of the analog values The terminal module displays the analog input values as f...

Страница 28: ...0 0x0000 7500 hPa 7500 0x1D4C KM3712 0000 Pressure Decimal Hexadecimal 1000 hPa 1000 0xFC18 0 hPa 0 0x0000 1000 hPa 1000 0x03E8 6 3 Control and Status Byte Channel 1 Process data mode Control byte 1 f...

Страница 29: ...on is active if SB1 0 and SB1 1 are set simultaneously Register communication Control byte 1 in register communication Control byte 1 CB1 is located in the output image and is transmitted from the con...

Страница 30: ...KM3701 KM3702 and KM3712 30 Version 2 0 0 6 4 Register overview The registers are used for the parameterization of the Bus Terminals and are available for each channel They can be read or written by m...

Страница 31: ...ec R W EEPROM R17 33 Vendor calibration Offset KM3701 KM3712 typically 0xF800 typically 63488dec R W EEPROM KM3702 typically 0xFE66 typically 65126dec R18 33 Vendor calibration Gain 0x0000 0dec R W EE...

Страница 32: ...000 0dec KM3702 R21 0x1D4C 7500dec R22 0xFF9C 100dec R32 0x0202 514dec R33 0x0000 0dec R34 0x0100 256dec R35 0x0000 0dec R36 0x0000 0dec Note Delivery state for all channels The command Restore Factor...

Страница 33: ...range limit This register contains the upper measuring range limit It can be activated by R32 8 33 in the feature register R22 Lower measuring range limit This register contains the lower measuring r...

Страница 34: ...o process data are received for 100 ms 0bin 1bin Watchdog timer is not active R32 1 enManScal 0bin Manufacturer scaling is not active 1bin 1bin Manufacturer scaling is active R32 0 enUsrScal 0bin User...

Страница 35: ...erminal returns the firmware version 0x3341 in the input data word byte 1 and byte 2 This is to be interpreted as an ASCII code ASCII code 0x33 represents the digit 3 ASCII code 0x41 represents the le...

Страница 36: ...tatus byte Byte 1 DataIN1 high byte Byte 2 DataIN1 low byte 0x9F 1001 1111bin 0x12 0x35 Explanation The terminal returns the value of the control byte as a receipt in the status byte The terminal retu...

Страница 37: ...erminal Byte 0 Status byte Byte 1 DataIN1 high byte Byte 2 DataIN1 low byte 0xA0 1010 0000bin 0x00 0x02 Explanation The terminal returns the value of the control byte as a receipt in the status byte T...

Страница 38: ...Beckhoff components there Beckhoff Headquarters Beckhoff Automation GmbH Co KG Huelshorstweg 20 33415 Verl Germany Phone 49 0 5246 963 0 Fax 49 0 5246 963 198 e mail info beckhoff com Beckhoff Suppor...

Страница 39: ...Fig 9 KM3702 KM3712 LEDs 15 Fig 10 KM3701 Application example for the fill level of tanks 19 Fig 11 KM3701 Application example for filter systems pipe restrictions 20 Fig 12 KM3702 Application exampl...

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