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EB 9527-3 EN

Operation

Further details on the display and operating controls can be found at the back of these in-
structions.

6.1.1

Switching over to display mode

Depending on the operating mode, each pressing of the



key allows you to switch between

the default display and up to eight other display readings.
After eight seconds or after the text has finished running across the display, the display auto-
matically returns to the default display.

GKZ

Default mode (e.g. gas code (O

) and actual content)

∆p

Current differential pressure

MCN

Max. capacity nominal

MCN/R

100 % tank volume or max. possible flow rate at 20 mA signal

SCN

Save capacity nominal. Geometric tank volume up to overflow/gauge pipe.

SCN/R

100 % tank volume at 20 mA signal

UCW

Useable capacity work

Δp100

Maximum differential pressure

Δp0

Minimum differential pressure

PTANK

Nominal tank pressure. Value corresponds to the pressure assigned to the density (liquid)

according to the steam pressure graph. If

MCN

and

SCN

are calculated on the basis of

1 bar, '1 bar' is displayed for

PTANK

TKZ

Tank/plant identifier

FLOW

Flow rate

ERROR

Error code automatically displayed in the event of an error (see section 10).

OFF

Special signal on opening the equalizing valve, I = 3.6 mA

LOW BAT

Special signals in battery operation

BAT MODE

Battery mode

EMS

Power-saving mode (ESM). 4 to 20 mA signal deactivated.

Содержание Media 6 Z

Страница 1: ...Translation of original instructions EB 9527 3 EN Firmware version 3 12 Edition October 2015 Differential Pressure Meters Media 6 Media 6 Z Media 6 with mounted valve block ...

Страница 2: ... s After sales Service Department aftersalesservice samson de The mounting and operating instructions for the devices are included in the scope of delivery The latest documentation is available on our website at www samson de Service Support Downloads Documentation Definition of signal words Hazardous situations which if not avoided will result in death or serious injury Hazardous situations which...

Страница 3: ...and equalizing valves 16 4 4 4 Compensation chambers 16 4 4 5 Accessories for connection 16 5 Electrical connection 17 5 1 Device connector 18 6 Operation 19 6 1 Display and operating controls 19 6 1 1 Switching over to display mode 20 7 Start up 22 7 1 Liquid level measurement 22 7 2 Flow rate measurement 22 7 3 Water drainage 23 8 Settings 24 8 1 Write protection 24 8 2 Selecting the gas type 24...

Страница 4: ...Battery operation 29 9 Memory pen communication 30 9 1 Data transmission using a memory pen 30 9 2 Communication with computer 32 10 Troubleshooting 33 11 Servicing explosion protected devices 35 11 1 Firmware update 35 11 2 Maintenance calibration and work on equipment 36 12 Dimensions 37 ...

Страница 5: ...riate use only use the device in applications where the operating pressure and temperatures do not exceed the specifications used at the ordering stage The Media 6 Differential Pressure Meter is not approved for measuring flammable gases or liquids in hazardous areas of Zone 0 The device is designed for use in low voltage installations For wiring and maintenance you are required to observe the rel...

Страница 6: ...d medium code can contain max 8 characters Error code Error code changed Changed response when confirming errors Device errors are logged in the error history Operating mode New operating modes counting flow rate differential pres sure Units for flow rate Units for flow rate are displayed in h or min Units for static pressure PTANK The following units were added mbar bar kPa psi mmH20 cmH20 mH20 i...

Страница 7: ...e version Firmware revisions Old New V3 10 3 11 Battery operation Error remedied on changing to power saving mode Small corrections made V3 11 V3 12 Error detection Detection and treatment of error codes 1 and 32768 changed ...

Страница 8: ...pressure chamber and converted into an electric signal by the travel sensor 2 Based on the evaluation of the data saved in the FRAM 4 the electric signal is processed by a microprocessor 3 It controls both the LCD 7 and the D A converter 9 for the output signal which is issued as a 4 to 20 mA two wire transmitter signal at con nector A The serial interface 10 allows the device to be configured wit...

Страница 9: ...el sensor 3 Microprocessor 4 Data memory FRAM 5 Operating keys 6 Four DIP switches for select ing gas type span protection and write protection 7 Indicating unit with LCD 8 Limit switch and pulse output 9 D A converter 10 RS 232 interface Connector B Min max alarm A2 or pulse output Media 6 Z Connector A UB 12 to 36 V DC IA 4 to 20 mA FRAM μP dp cell Valve block with pressure gauge 0 20 40 60 80 1...

Страница 10: ...depending on operating mode Deviation from terminal based linearity 1 0 to 2 5 including hysteresis depending on measuring span selected Sensitivity 0 25 or 0 5 depending on measuring span selected Effect of static pressure 0 03 1 bar Effect of ambient temperature in the range from 20 to 70 C on zero on span 0 2 10 K 0 2 10 K Limit contacts Two configurable software limit contacts or one software ...

Страница 11: ...n 7 Power supply 9 V DC 6 x 1 5 V LR6 alkaline batteries 1 A class accuracy of 0 6 can be expected in these measuring ranges with measuring spans 100 to 50 of the nominal range 2 The accuracy of class 2 5 can be exceeded when this measuring span is not reached 3 e g KFA6 SR2 Ex2 W according to EN 60947 5 6 4 MCN Maximum tank content SCN Tank content up to overflow 5 Pulse output only with Media 6 ...

Страница 12: ...nclud ed in the measurement As a result this height must be as low as possible The dimension K compensation height illus trated in schematic drawing 3 can be as large as required by the conditions in the plant 4 1 Arrangement of devices for flow rate measurement The decision whether the meter is to be mounted above or below the measuring point or whether compensation chambers are required depends ...

Страница 13: ...ignment of plus to plus and minus to minus remains unchanged Fig 2 Arrangement of devices h H z h H h K H Y H Measuring range h Measured height z Additional height K Compensation height 1 1 1 Orifice flange orifice plate assembly Compensation chamber Separation chamber Diagram 1 Measurements in cryogenic systems liquefied gases Diagram 2 Measurement on pressure vessels with condensing or non conde...

Страница 14: ...lest permissible bending radius is 50 mm Thoroughly flush the differential pressure lines before connect ing them to the device Make sure that the high pressure line is connected to the high pressure connection and the low pres sure line is to the low pressure connection 4 4 Orifice flange orifice plate assembly The direction of flow must correspond to the arrow on the orifice plate Unobstructed p...

Страница 15: ...ting unit when checking zero 4 4 2 Valve block A valve block comprising three valves see Fig 4 is available It is bolted directly to the bottom of the dp cell When measuring the flow rate of liquids and gases the SAMSON valve block can also be mounted upside down As a result the as signment of plus to plus and minus to minus remains unchanged Due to this reverse installation the pressure gauge con...

Страница 16: ...e the measuring point For gas measurements separation chambers are required for condensate separation when the indicating unit is installed below the measuring point 4 4 5 Accessories for connec tion The devices are delivered without screw fit tings oxygen versions are protected against contamination by four NBR blanking plugs Required screw fittings screw plugs or vent screws as well as screw joi...

Страница 17: ...tection to become ineffective Do not loosen enameled screws in or on the housing In hazardous areas only use an ammeter approved in accordance with ATEX to measure the current at the test connection TEST The serial interface is not approved for use in hazardous areas As a result only the intrinsi cally safe SAMSON memory pen must be connected to transfer data Selection of cables and wires Observe ...

Страница 18: ...947 5 6 Max values Ui 20 V Ii 60 mA Pi 250 mW Ci 5 3 nF Li 8 μH Media 6 Z includes only one software limit contact alarm 1 and one pulse output in stead of alarm 2 contacts 3 and 4 which is proportional to the tank capacity to control an external counter Test connection Connect an ammeter to the test terminals and to test the output signal during cali bration The output signal of the two wire cir ...

Страница 19: ...tance Low resistance High resistance High resistance Both limit contacts A1 A2 can be configured separately as minimum or maximum alarms Both limit contact outputs A1 and A2 are deactivated during battery operation Contact with low resistance Switching signal ON Function Contact closed or output effectively conducting power con sumption 3 mA Contact with high resistance Switching signal OFF Functi...

Страница 20: ...olume or max possible flow rate at 20 mA signal SCN Save capacity nominal Geometric tank volume up to overflow gauge pipe SCN R 100 tank volume at 20 mA signal UCW Useable capacity work Δp100 Maximum differential pressure Δp0 Minimum differential pressure PTANK Nominal tank pressure Value corresponds to the pressure assigned to the density liquid according to the steam pressure graph If MCN and SC...

Страница 21: ...pressure measurement Default readings Default mode GKZ GKZ GKZ GKZ Displayed values Filling level Flow rate Meter reading Differential pressure Further display modes 1 ΔP ΔP FLOW ΔP0 2 MCN R MCN R P P100 3 SCN R ΔP100 MCN R PTANK 4 UCW PTANK P100 TKZ 5 P0 TKZ PTANK 6 P100 TKZ 7 PTank 8 TKZ 1 Also for operating mode level measurement in transportation vehicles ...

Страница 22: ... steam does not have di rect contact with the measuring diaphragm of the device To prevent this screw off the differential pressure lines below the shut off valves or valve block and fill the device with water Alternatively make sure the shut off and equalizing valves or valve block are shut off and wait approx 20 min after start up of the plant steam in the system until condensate has collected i...

Страница 23: ...t of liquids 1 Slowly open the high pressure line 2 Close the equalizing valve or bypass of the valve block 3 Open the low pressure line 4 Undo the vent screw on the dp cell until all the air has escaped Retighten the screw 5 Check zero see section 8 3 and put the device back into operation 7 3 Water drainage When measuring gas drain condensed wa ter from the separation chambers from time to time ...

Страница 24: ...e required gas type over the posi tions of switches 1 and 2 see Fig 7 Table 6 Selecting the gas type Gas 1 1 OFF 2 OFF Gas 2 1 ON 2 OFF Gas 3 1 OFF 2 ON Gas 4 1 ON 2 ON Fig 7 DIP switches Switches 1 to 4 The gas code for the selected gas e g AR CO2 O2 N2 etc is indicated on the dis play Select the gas type at the DIP switches as indicated in the table The reading is not active only the selected ga...

Страница 25: ...pty Deactivate write protection by setting switch 4 to OFF Press and hold key until ZERO and X 0X mbar are displayed Current signal I indicates the current value in mA Press key to calibrate zero Release key 0 mbar is indicated on the display Current signal I 4 mA Activate write protection by setting switch 4 to ON Correction when the tank is filled Zero can also be checked while the system is run...

Страница 26: ...with the highest density The values for gases with a lower density are calibrated during this process as well To calibrate the currently used gas its read ing must be at least 85 of the adjusted up per measuring range value p100 Calibration of the span is subject to particu lar protection switch 3 to prevent the span from being changed unintentionally due to improper operation of the keys Checking...

Страница 27: ...ly use oil free air or other gases e g N2 Supply unit mA reading Supply air reducing station with oil filter and test pressure gauge Test pressure A B NOTICE Display p100 X XXX x1000 mbar Use a precision regulator to apply a test pressure corresponding to the max dif ferential pressure Δp100 while monitor ing the pressure gauge Press and hold key until the current mea sured value is displayed The ...

Страница 28: ...lable Both limit contacts are preset by the software to function as either min or max contacts A1MIN or A1MAX as well as A2MIN or A2MAX appear on the display Both con tacts must be set and confirmed separately Deactivate write protection by setting switch 4 to OFF Press and hold key for approx 8 s until UCW appears at the top of the display Press keys to switch between A1 and A2 contacts Press key...

Страница 29: ...t Activate write protection by setting switch 4 to ON 8 8 Battery operation The SAMSON battery supply unit order no 1400 9744 not approved for hazardous ar eas can be connected to connector A for supply over batteries The six 1 5 V LR6 alkaline batteries supply 9 V DC The BAT MODE battery mode is only possi ble in the operating modes for level mea surement and level measurement for trans portation...

Страница 30: ...emory pen must be con nected to the serial interface for data ex change 9 1 Data transmission using a memory pen The memory pen is used to store and transfer data It allows standardized data records tank type and associated gas data to be transferred to Media 6 devices on site with out requiring a computer by simply plugging the pen into the serial RS 232 interface A key tag can be attached to the...

Страница 31: ...witch 4 to ON Press to activate setting RUN appears on the display DONE in dicates that the data are saved to the Media 6 Remove the memory pen MEMRD activate write protection by set ting switch 4 to ON Transfer data from the memory pen to Media 6 Read only status Deactivate write protection by setting switch 4 to OFF Insert the memory pen into the serial inter face MEMRD appears on the top of the...

Страница 32: ...d using a computer connected to the serial interface and the TROVIS VIEW software Refer to Operating Instructions u EB 9527 2 for more details on operation The serial interface is not approved for use in hazardous areas Do not connect the device to a computer in this case See section 11 1 on page 35 NOTICE ...

Страница 33: ...he errors are not saved Only the error cur rently occurring causes the device to switch to the error mode The signal is switched to 3 6 mA when class E1 and E2 errors occur Table 8 Error codes Error code Description Class 1 Oscillating circuit of differential inductor failed E1 2 Checksum error in RAM E1 4 Checksum error in FRAM E1 8 Span outside permissible range E2 16 Error in tank characteristi...

Страница 34: ...ions in error mode After pressing the key to confirm the error error indication reappears after approx 8 s as described above When communicating with a connected computer the device is reset by copying da ta An error status can be reset directly in the Maintenance menu item in TROVIS VIEW Other errors These errors must be confirmed by pressing key to allow the device to continue oper ating normall...

Страница 35: ... according to the specifications in EN 60079 17 Explo sive Atmospheres Part 17 Electrical instal lations inspection and maintenance 11 1 Firmware update Firmware updates on differential pressure meters currently in operation can be per formed as follows When updates are performed by a service employee appointed by SAMSON the up date is confirmed on the positioner by the test mark assigned by SAMSO...

Страница 36: ...ust be connected to transfer data or proceed as described in section 11 1 11 2 Maintenance calibration and work on equipment Interconnection with intrinsically safe circuits to check or calibrate the equipment inside or outside hazardous areas is to be performed only with intrinsically safe current voltage calibrators and measuring instruments to rule out any damage to components relevant to explo...

Страница 37: ...s in mm Pressure gauge connections For NG 100 pressure gauge Male thread G B LH with coupling sleeve G DIN 16283 and 12x2 O ring For NG 63 pressure gauge Female thread G with seal Two Ø 8 5 mm holes for fastening at the back of the dp cell M8 screws Two Ø 8 5 mm holes for fastening to the valve block M8 screws Pressure gauge depend ing on manufacturer Pressure sensor depending on manufacturer Cont...

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Страница 44: ...splay and operating controls 19 Pushbuttons 8 E Electrical connection 17 Error codes 33 Explosion protection 35 F Firmware update 35 Firmware version 6 Firmware versions 6 Device firmware 6 Flow rate measurement 8 13 22 Gases 13 Liquids 13 Steam 13 G Gas measurement 13 Condensed water 23 Gas type 24 I Installation 12 L Limit contact 28 Software limit contacts 19 Limit switch and pulse output 9 Liq...

Страница 45: ...RS 232 interface 9 Serial interface 8 9 17 30 S SAMSON valve block 15 Serial interface 8 9 17 30 RS 232 interface 9 Settings 24 Shut off and equalizing valves 16 Software limit contacts 19 Start up 22 Cryogenic applications 22 Measurement 22 Steam 13 22 T Technical data 10 Terminal assignment 18 Two wire connection 18 18 48 18 48 18 48 18 48 18 48 18 48 V Valve block 15 SAMSON valve block 15 ...

Страница 46: ......

Страница 47: ...H2O mbar kg L ft Ibs h min m kPa psi x1000 cmH2O inH2O Display mode Gas code and operating state tank identifier Tank content Factor Alarm A2 blinks UCW blinks Tank capacity SCN DIP switches Alarm A1 blinks Units for pressure Serial interface Tank identifier Enter key Confirm execute Test connection Depending on display mode Tank content MCN SCN UCW Differential pres sure and error code Units for ...

Страница 48: ...2018 09 26 English SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 9527 3 EN ...

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