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Differential Pressure Meter
Media 6
Media 6 Z

Mounting and
Operating Instructions

EB 9527-3 EN

Firmware V3.03
Edition February 2007

Media 6 with attached valve block

Содержание Media 6

Страница 1: ...Differential Pressure Meter Media 6 Media 6 Z Mounting and Operating Instructions EB 9527 3 EN Firmware V3 03 Edition February 2007 Media 6 with attached valve block...

Страница 2: ...2 5 4 Equalizing tanks 15 2 5 5 Accessories for connection 15 3 Electrical connection 16 4 Operation 18 4 1 Display and operating elements 18 4 1 1 Switching display mode 19 5 Start up 20 5 1 Liquid l...

Страница 3: ...ing the memory pen 27 7 2 Communication using a PC 28 8 Troubleshooting 29 9 Servicing explosion protected devices 31 10 Dimensions in mm 32 Index 33 EC type examination certificates 35 Display with o...

Страница 4: ...o indicates information and in structions relating to safety Caution Disobeying instructions may result in prop erty damage Warning Disobeying instructions may result in prop erty damage or even perso...

Страница 5: ...ed to work on explosion pro tected devices in hazardous areas See also note in section 9 4 Any hazards that could be caused in the device by the process medium or the operating pressure are to be prev...

Страница 6: ...6 is set to 3 6 mA A2 11 B2 11 V3 02 LCD Use the and keys to switch the LCD on or off LCD ON or LCD OFF Gas and medium code Gas and medium code with up to 8 characters Error code Error code changed C...

Страница 7: ...EB 9527 3 EN 7 Firmware changes Changes of the device s firmware compared to previous version Old New...

Страница 8: ...micropro cessor 3 The microprocessor controls both the display 7 and D A converter 9 for the output signal which is issued as a 4 to 20 mA two wire transmitter signal at connector A The serial interf...

Страница 9: ...nnector B Min max alarm A2 or pulse output in Media 6 Z Serial interface Indicating unit with LCD 1 dp cell 1 1 Measuring diaphragm 1 2 Measuring springs 1 3 Lever 1 4 Elastic disc 1 5 Diaphragm axis...

Страница 10: ...with EN 60947 5 6 and pulse output3 Control circuit adjustable in steps of 1 Values correspond to connected switching amplifier according to EN 60947 5 6 e g KFA6 SR2 Ex2 W or KFA SR2 Ex1 W Switching...

Страница 11: ...sponsibility EB 9527 3 EN 11 Design and principle of operation Version 5006 0 5006 1 Two wire connection 4 to 20 mA output Permissible load RB in Ohm RB U 12 V 0 020 A B Output circuit Intrinsic safet...

Страница 12: ...nnect the differential pressure lines Depending on the device arrangement seal any connections left unused with plugs or vent plugs Carefully clean the connections before attach ing the differential p...

Страница 13: ...sing cushion Schematic drawing 3 Measurements on open vessels with low lying meter 1 1 1 Measuring liquids Measuring steam Measuring gases Orifice plate assembly Equalizing tank Separation chamber 1 S...

Страница 14: ...s sure regulators upstream of the assembly 2 5 1Accessories We recommend to install a shut off valve as well as an equalizing valve in the differential pressure lines They can be used to shut off both...

Страница 15: ...without screw fit tings oxygen versions are protected against contamination by four NBR blanking plugs Required screw fittings sealing or vent screws as well as screw joints with restrictions to dampe...

Страница 16: ...in the certificate must be adhered to Switching the assignment of the electrical terminals may cause the explosion protection to become ineffective Do not loosen enameled screws in or on the housing...

Страница 17: ...ammeter to the test terminals and to test the output signal during calibra tion While doing so the output signal of the two wire circuit is not interrupted Make sure the ammeter provides a load of 0 4...

Страница 18: ...contact Switching signal ON Function contact closed or output effectively conducting power consumption 3 mA High resistance contact Switching signal OFF Function contact open or output effectively no...

Страница 19: ...0 Max differential pressure P0 Min differential pressure PTANK Nominal tank pressure Value corresponds to the pressure assigned to the density liq uid according to the vapor pressure graph If MCN and...

Страница 20: ...m Make sure that the steam does not have direct contact with the measuring diaphragm of the device As a result screw off the differential pressure lines below the shut off valves or valve block and fi...

Страница 21: ...iquids 1 Open high pressure line by slow turn ing 2 Close equalizing valve or bypass of the valve block 3 Open low pressure line 4 Loosen vent screw on the dp cell and retighten it when the air has es...

Страница 22: ...ng to the positions for switches 1 and 2 as given in Fig 7 and the table below Gas 1 1 OFF 2 OFF Gas 2 1 ON 2 OFF Gas 3 1 OFF 2 ON Gas 4 1 ON 2 ON The gas code for the selected gas e g AR CO2 O2 N2 et...

Страница 23: ...X 0X mbar are displayed Current sig nal I indicates current value in mA 4 Press key to calibrate zero 4 Release key Display shows 0 mbar current signal I 4 mA 4 Reactivate write protection by setting...

Страница 24: ...redefined reference height total height or gauge pipe At p100 the output signal must be 20 mA To check the span connect the differential pressure meter as illustrated in Fig 5 Note When checking the s...

Страница 25: ...by setting both switch 4 and switch 3 to posi tion OFF 4 Press key five times Display shows p100 X XXX x1000 mbar 4 Use a precision regulator to apply a test pressure corresponding to the max differ e...

Страница 26: ...rite protection by setting switch 4 to position ON 6 6 Switching LCD ON OFF The LCD can be switched ON and OFF Press and hold and keys until after approx 3 s the LCD is either switched ON or OFF 6 7 A...

Страница 27: ...for previous Media 6 versions up to firmware version 2 11 are fully compatible with Media 6 devices with firm ware version V3 00 and higher Such records or configurations do not need to be loaded into...

Страница 28: ...of the display 4 Press key to start writing 4 Press key Display shows RUN Data have been saved to the memory pen when DONE is displayed Memory pen can now be removed 7 2 7 2 Communication using a PC M...

Страница 29: ...Errors are not saved only the current error switches the device to error mode For errors in Classes E1 and E2 the signal current is set to 3 6 mA EB 9527 3 EN 29 Troubleshooting Table 6 Error codes E...

Страница 30: ...or notebook PC connected over connecting cable Communication using a PC or notebook PC and the serial interface also functions in error mode As mentioned above you have approx 8 s after the error was...

Страница 31: ...ed components may only be replaced by original routine tested components from the manufacturer Devices that have already been used outside hazardous areas and are intended for future use inside hazard...

Страница 32: ...Dimensions Pressure gauge connections For NG 100 pressure gauge G B LH male thread with G coupling sleeve acc to DIN 16283 and 12x2 O ring For NG 63 pressure gauge G female thread with sealing ring Co...

Страница 33: ...easurement 19 Dimensions 32 DIN 43650 device connector 17 DIP switches 18 Display 10 Display elements 18 Display mode 40 Down key 40 dp cell 8 E EC type exam certificate 35 36 37 38 Electrical connect...

Страница 34: ...izing valves 15 Shut off valve 15 Software limit switches 17 18 Span 25 Span error 30 Span protection 22 Span checking 24 Start up 20 21 Storage temperature 11 Switching accuracy 10 T Tank capacity 40...

Страница 35: ...EB 9527 3 EN 35...

Страница 36: ...36 EB 9527 3 EN...

Страница 37: ...EB 9527 3 EN 37...

Страница 38: ...38 EB 9527 3 EN...

Страница 39: ...EB 9527 3 EN 39...

Страница 40: ...Serial interface Alarm A1 blinks Display mode Gas code and operating state tank identifier Units for pressure Units for level and flow rate 0 20 40 60 80 100 SERIAL INTERFACE SWITCHES 1 2 GAS SELECTI...

Страница 41: ......

Страница 42: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 9527 3 EN S Z 2007 02...

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