Mounting and Operating Instructions EB 9527-1
Contents
1. ayos Ajjo gt lsulyun pappa D o UGYIBUUGD Joy Ajuo I 21x33 BS gt 1sunyu Zuolpsjo4d jo sdA g JO 29uULIO3 SOLD PIAS puj BADAYOS pLOZ XILV 00 Ald 0514495 vo Dun Sd L 53 OY OF L ON WINPUSPPY ulpieg pun Gramussunoug did HP4SUBSSPUNG 3Y251UY3 Y981 0X1SAyd FP PP Seat Bramy35UnnIg SLLGl d 00 L aapesapung supsspung 34380473 451 0X 54yg HERUCSSPUNG BY3S1UY9 AP Ss pysAyg ay yo pAosddp soud ayy auinbos oys seBuoyp Jo spog papapul jnpayos ssfunyr Aus pnoy pud Aapua sp wi paanpaadaa aq Auo Anw spools voyou 0A 33 sy papasa Gud pas pun san puba noypi Sopp USAa ad 93 ejqiBi Bau 7 WES D ML d yugll ABZ n 7 19p8UU0 SENDA LUNLUIXDW paaa pu g BIRP PNP SMO O SO PaBUDY gt 24D oop ponpe sy WONSN4SUO gt pud UBISEp ay OF papja SUOLOIYIPOW sy SUOSDB DUSIIUN JO payipow SOA pina UL Hoda 4583 pa p130885D auf ul p gt yyuap su3wunIop UG B303 Sut par ssup d uos ul pasnpognunw aq Aow say B nsseig puusepa L 9005 bipaw jepow ayp aunyny uj SUOPIYIpow PUD SUOINPPP sy JO UOHNALIISSA UDWISS HNPUDIY PLEOS C E EIS NWSIEAA 5594ppy DY NOSWYS ABANPR NUDY 91 IN 9 JI OS Il 3 Buen JaW BINSS9 J PyusJepg L 9009 D payy japow juswdinbg PLOT XALY 00 Pid 94BI 18 uvoypumunxg adA JJ 044 OF 9 asna XUUY DI 6 P6 pag yha s2ubijdiuo ul LON WNANIGAV NOIILVISNYVYL unJag pun Gramupsunoig did HP4SUBSSPUNG 3Y251UY3 Y951 0X1SAyYd 33 EB 9527 1 EN 34 EB 9527 1 EN2. to Nominal pressure PN 50 overloadable on one side up to 50 bar Display LCD O 90 or LED O 3 Performance Output and reading linear to the tank contents Deviation from terminal based linearity lt 1 0 or lt 2 5 including hysteresis depending on the span selected Sensitivity lt 0 25 or lt 0 5 depending on the span selected Static pressure effect lt 0 03 5 1 bar Influence of ambient tempera ture in the range between 20 to 70 C On zero point lt 0 2 10K On span lt 0 2 10 K Dairies Two software contacts A1 and A2 configurable as minimum or maximum alarms according to EN 60947 5 6 Control circuit Rating according to connected switching amplifier according to adjustable in 1 steps EN 60947 5 6 e g KFA6 SR2 Ex2 W or KFA SR2 Ex1 W Hysteresis 1 based on maximum tank capacity MCN Range of inversion approx lt 0 6 Weight Approx 3 kg without valve block Approx 5 kg with valve block 1 A class accuracy of 0 6 can be expected for measuring ranges 1000 1600 2500 and 3600 mbar with spans lt 100 to gt 50 of the nominal range 2 The class accuracy of Class 2 5 may not be reached in cases where the span does not fall within this specified span Note All pressures stated as gauge pressures All errors and deviations stated in of the adjusted span The Media 6 Differential Pressure Meter is not certified for measuring flammable gas
3. 12x2 for pressure gauge NG 63 female thread G 1 4 with seal Two boreholes with 8 5 mm for fastening to the back of the measuring chamber for screws M 8 Two boreholes with 8 5 mm for fastening to the valve block Fig 8 Dimensions 30 EB 9527 1 EN Pisten Giamyssunesa ILLEE O 00 Bs es apung yesuesapung SYSSLA L SESS osuosapung aypsluysa Yyosioqisdyy au go joscudele soud ay aanbe joys s2810Y7 ao gapas PApN PU ajnpay gt s seBuay Aun nom PUD aaa sf ul paanposdal aq Aue ADU 2 0 gt 1 47 MODULUI Sl II SY PBA Gib bes pun ingpuBis sym Sap Joy oulu tg adi Da JoyaxpipsBunsaibay Jadauusuunyoy N u ig pas aanyoubis Jap o Ag 0007 sunf g Biemyosunnig z ny gt ssuos ldxz a jayss unsenz p ne 9L 3N 9 J OT N Bulmoyoy ay apnpu joys juswdinba ayp jo Bunapw ay ZL did ueg pun Biemypsunpug J HISUBSapuNg 3Y3SIUY72 051 bXI15AYd P0P9N05 929 kd Giamyssunesa 9LL2E 0 00 saesapung yesuesapung SYSSLA L SESS KU osuesapung ayasiuyaaL yosoyisiyg ay go Decade Joud aq auinka joys seuga ao gapps FljBsul SID bes pun ingpuBis NGL Sap SD WY OULU adi Da quawdinba ayy jo Ajddns pub a npppynupw ay 94 Ajddo aaypazig sy Jo syuaWaINbas ayung 9 q001 ddD 1 Juawdmba paynads ayp jo uoypnysuss pud uBisap ay oj Ajuo Seppe JIVDALAID NOLLYNIWYX3 JJAL 3 HYE 93 6 76 Bayaang 9y OF Bupoasay 3402141489 SIU op a npayas ayp ul payloads asn apps JO SUOIJIpuo jobads oj palq
4. 6 device Status Read only Write protection switch 4 to OFF Insert memory pen into the SERIAL INTERFACE jack The LED blinks rapidly Press key to start the data transfer the LED goes on You can remove the memory pen when the LED goes off Write protection switch 4 to ON Transfer data from the Media 6 device to the memory pen Status Write only Insert the memory pen into the SERIAL INTERFACE jack The LED blinks slowly Press key to start the data transfer the LED goes on You can remove the memory pen when the LED goes off 7 2 Connection to the PC Media 6 can also be operated over the SERIAL INTERFACE jack from a PC notebook using the TROVIS VIEW Configuration and Opera tor Interface Refer to the Mounting and Operating Instruc tions EB 9527 2 EN for operation Troubleshooting 8 Troubleshooting Errors that occur appear at the top of the LC display indicated by the word ERROR with the corresponding error code e g 16 below it The blinking sequence of the LED indicates the error code of Media 6 with LED For example error code 1 is signaled as follows JW UUUUUUUUUL long medium 9x short Refer to the table for the description of the er ror codes Reset or confirm errors by pressing the key Any new error messages then remain sup pressed for 8 seconds Troubleshooting using the memory pen If you have a SAMSON memory pen it can be used if necessary to transfer new
5. EB 9527 1 EN 35 SAMSON AG MESS UND REGELTECHNIK WeismullerstraBe 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 9527 1 EN S Z 2005 11
6. must be 4 mA when the differential pres sure Ap O mbar see test arrangement in Fig 7 Note When activating the gas column correction refer to section 4 2 2 in EB 9527 2 EN it is important to take into account that the gas col umns in the measuring lines reduce the differ ential pressure as they have an opposing ef fect on each other At a pressure equilibrium of Ap O mbar the meter readout is negative for the tank capacity and the output signal in dicates a value lt 4 mA In this case readjust the zero point as described in following so that the display indicates O 0000 when Ap O mbar The output signal changes but indi cates a value lt 4 mA in accordance with the gas column correction data Media 6 with LCD At a differential pressure of Ap O mbar the display must indicate O or 0000 Correction when the tank is empty Write protection switch 4 to OFF Press and hold down key ZERO and X 0X mbar appear on the display Current signal shows the present mA value Press key to adust the zero point Release key O mbar appears on the display Current signal 4 mA Activate the write protection switch 4 to ON Correction when the tank is filled IF the differential pressure lines are equipped with shut off and equalizing valves zero point can be checked even when the plant is in oper ation To achieve this place the valve block or equalizing valve in the test position to
7. national regulations governing the installation of electrical equipment and the national accident prevention regulations of the country of destination must be adhered to In Germany these are the VDE regulations and accident prevention regulations of the employer s liability insurance For assembly and installation in hazardous areas the following standards apply EN 60079 14 1997 VDE 0165 Part 1 8 98 Electrical apparatus for explosive gas areas and EN 50281 1 2 VDE 0165 Part 2 11 99 Electrical apparatus for use in the presence of combustible dust For intrinsically safe electrical apparatus that are certified according to the Directive 79 196 EEC the data specified in the certificate of conformity apply for connection of intrinsically safe circuits For intrinsically safe electrical apparatus that are certified according to the Directive 94 9 EC the data specified in the EC type examination certificate apply for connection of intrinsically safe circuits Note It is absolutely necessary to keep to the terminal plan specified in the certificate Reversal of the electrical connections may cause the explosion protection to be ineffective Do not tamper with screws inside or on the case which have been sealed with paint Note on the selection of cables and wires To run several intrinsically safe circuits in a multi core cable read paragraph 12 of EN 60079 14 VDE 0165 8 98 For generally used insulating materials for example poly
8. obtain the same pressure in both measuring cham bers 1 Close the shut off valve in the high pres sure line 2 Open the equalizing valve or bypass in the valve block 3 Close the shut off valve in the low pres sure line The valve block is in test position Settings Write protection switch 4 to OFF Press and hold down key ZERO and X X mbar appear on the display Current signal indicates the present mA value Press key to adjust the zero point Release key O mbar appears on the display Current signal 4 mA corresponding to the liquid level at O mbar differential pressure See note on gas column cor rection on page 18 Activate write protection switch 4 to ON Return valve block or equalizing valve to operating position Open the shut off valve in the low pres sure line 2 Close equalizing valve 3 Open the shut off valve in the high pres sure line Caution For devices used to measure oxygen the test medium must be free of oil and grease Supply air reducing station with oil filter and pressure gauge Fig 7 Test arrangement Ammeter Use air free of oil or other gases e g N2 EB 9527 1EN 19 Settings Media 6 with LED According to the test arrangement a current signal of 4 mA must be supplied at connector A or at the TEST connection at a differential pressure of Ap O mbar Correction when the tank is filled 1 Close the shut off valve in t
9. range span must be readjusted Checking the measuring range span First check zero as described in section 6 3 Write protection switch 4 to OFF Span protection switch 3 to OFF Press key five times Ap100 X XXX x1000 mbar appears on the display Use a precision regulator to apply a test pressure corresponding to the maximum differential pressure Ap 100 while moni toring the pressure gauge Keep key pressed down the current measured value is shown in the display Current signal shows the present mA value Press key the span is calibrated current signal goes to 20 mA The reading is equal to Ap 100 Settings Release key Write protection switch 4 to ON Span protection switch 3 to ON Media 6 with LED Checking the measuring range span First check zero as described in section 6 3 Use a precision regulator to apply a test pressure corresponding to the maximum differential pressure Ap100 while monitor ing the pressure gauge Set point values Ap O mbar 4 mA See also note on gas column correction on p 18 Ap100 XXXX mbar 20 mA If the reading and output signal do not corre spond with the indicated value Ap100 the upper range value of the measuring range span must be readjusted Checking the measuring range span Write protection switch 4 to OFF Span protection switch 3 to OFF Use a precision regulator to apply a test pressure corresponding to the maximum di
10. signal be tween 20 0 mA and 22 8 mA indicated Press key within 8 seconds and hold by an illuminated LED down output signal 20 0 mA Release key current signal indicates the mA value corresponding to the tank capacity The LED goes out Write protection switch 4 to ON Release key to change the signal be tween 20 0 mA and 22 8 mA Release key current signal indicates the mA value corresponding to the tank capacity Write protection switch 4 to ON 24 EB 9527 1 EN 7 Memory pen 7 1 Data transfer using memory pen The memory pen is a portable data carrier It transfers standardized data which corre sponds with the type of tank and the relevant gas data to Media 6 instruments on site over the RS 232 interface SERIAL INTERFACE without requiring a PC or a notebook to be connected A label tag can be attached to the memory pen for identification The customized data is transferred to the mem ory pen from a PC notebook using the TROVIS VIEW Configuration and Operator Interface see EB 9527 2 EN or the data can be copied from another Media 6 instrument The memory pen can be configured to write and read read only or write only depending on the status determined by TROVIS VIEW see table below Table 4 Memory pen status With LCD LED indicated by blinking sequence Memory pen Long blinking writing Short blinking reading MEMWR or MEMRD Memory pen N
11. tank design and position of the limit switches The data are used to convert the differential pressure into a value propor tional to the tank contents then used to display and issue the direct current signal from 4 to 20 mA Four types of gas and various write protection functions for stored data can be selected using the DIL switches 6 Several operating functions zero and span adjustment filling limit during operation limit switches and test function settings etc as well as operating states load save operating val ues can be set using three keys 5 Design and principle of operation Indicating unit with LCD or LED 9 Connection A Up 12 V to 36V DC o la 4t0 20 mA 8 Min max alarm A1 o Connection B O Min max alarm A2 SERIAL INTERFACE 10 4 Differential pressure cell Measuring diaphragm Range springs Lever Elastic disc Diaphragm axis Displacement sensor Microprocessor Memory Valve block with i DIL switch Keys pressure gauge Indicating unit with LCD or LED Limit switch D A converter 10 SERIAL INTERFACE Fig 1 Functional diagram EB 9527 1EN 7 Technical data 1 1 Technical data Table 2 Technical data Differential pressure meter O to Measuring range mbar 100 Adiustable measuring span in mbar from to Class 1 0 from to Class 1 6 from Class 2 5
12. D lights up The currently set A2 alarm is indicated at the ammeter Settings Press key to reduce the value in steps of 1 or press key to increase the value Press key to confirm new setting The LED goes off Write protection switch 4 to OFF EB 9527 1 EN 23 Settings 6 6 Ammeter function Media 6 with LED In order to check the functioning of connected Write protection switch 4 to OFF devices an output signal of 4 to 20 or 22 8 mA can be adjusted for a short time re Ammeter 4 mA gardless of the current liquid level in the tank Press and hold down key Media 6 with LCD Press key within 8 seconds and hold down output signal 4 0 mA indicated Write protection switch 4 to OFF by the LED blinking quickly Press key to change the signal be ENMEIL ma tween 4 0 mA and 22 8 mA indicated by Press and hold down key an illuminated LED Press key within 8 seconds and hold Release key current signal indicates down output signal 4 0 mA the mA value corresponding to the tank Release key to change the signal be capacity The LED goes out tween 4 0 mA and 22 8 mA Release key current signal indicates the mA value corresponding to the tank Ammeter 20 mA Press and hold down key capacity Press key within 8 seconds and hold down output signal 20 0 mA indi 20 mA ammeter cated by the LED blinking slowly Press and hold down key Press key to change the
13. Differential Pressure Meter Media 6 with LCD Media 6 with LED LED Media 6 with LCD and attached valve block left Media 6 with LED right Mounting and Operating Instructions EB 9527 1 EN C Ex Firmware A 2 11 LCD B 2 11 LED Edition November 2005 Contents Contents ma Pi AN Bono OO O RES O NINNNNN gt SAna Wh N NN 7 2 2 EB9527 1EN Design and principle of operation 6 Technical dala e s s s as mes oc mine 8 LIL gt ao 0 045 zu Oe OES naeh 10 Instrument setup UU 10 Media 6 Indicating Unit AG 10 Valve LOCK toe 00 2 0 A uw na Ay AA ho AA ea 10 Shut off and equalizing valves 22 2 2 2 ee 10 Accessories for connections 2 222 222 2 mm 11 Electrical connection 00cc occ 12 ODEIGHON 22242460 se re AG KG a ae AA 15 Display and operating elements 22222 2 nun 16 Changing over display mode for Media 6 with LCD 16 STUP sassi PA AA 17 SCWINGS 2 a u woe ne GAGA AKA SEE See eee ee Ss 17 Write protection ooa ee 17 Selecting the gas type 2 22 2 2 on nn 17 Checking the zero point 22222 2 2 nme 18 Checking the measuring range span 2 222 22222 20 Setting limit switches 22222 oo oo one 22 Max limit for filling limit during operation 2 222222 22 Alarms Al and A2 2 2 2 2 CE Emmen 22 Ammeter function a 24 Memory pen s 0 0 a nun pe WG a ae ne RSS SS 25 Data t
14. ates the maximum possible differential pressure Ap 100 in mbar for each type of gas and the predetermined reference height total height or gauge pipe The output signal of 20 mA must correspond to Ap100 Connect the differential pressure meter as shown in Fig 7 to check the measuring range Note It is useful to activate the gas with the largest density to adjust the span The values for gases with smaller densities are also calibrated with this calibration procedure Important To calibrate the gas currently available its in dicated value must be at least 85 of the ad justed upper range value of Ap 100 Note The span calibration is protected switch 3 to prevent the span from being adjusted by in correct operation of the keys Media 6 with LCD Checking the measuring range span IF the key is pressed five times Ap100 which is the value for the maximum differential pressure appears on the display First check zero as described in section 6 3 Press key five times Ap100 X XXX x1000 mbar appears on the display Use a precision regulator to apply a test pressure corresponding to the maximum differential pressure Ap 100 while monitor ing the pressure gauge Set point values Ap O mbar 4 mA See also note on gas column correction on p 18 Ap100 XXXX mbar 20 mA If the reading and output signal do not corre spond with the indicated value Ap100 the up per range value of the measuring
15. d for a certain measuring span and the indicating unit is equipped with either an LCD liquid crystal display or an LED light emitting di ode to indicate important operating condi tions The differential pressure Ap p1 p2 acts on the measuring diaphragm 1 1 which is coun terbalanced by the range springs 1 2 The movement made by the measuring diaphragm and lever 1 3 which is proportional to the dif ferential pressure is led by the elastic disc 1 4 out of the pressure chamber and converted by the displacement sensor 2 into an electric signal This signal is compared with the data stored in the EEPROM 4 and processed in the micro processor 3 which controls both the display 7 LCD or LED and the D A converter 9 for the output signal which is issued at connector A as a two wire 4 to 20 mA transmitter signal The SERIAL INTERFACE 10 enables the de vice to be configured using a special memory pen or a connecting cable and a PC which has SAMSON s TROVIS VIEW Configuration and Operator Interface installed 6 B 9527 1 EN The user specific data are saved in the EEPROM 4 Data can also be saved in this manner and kept until they are overwritten again The operating data of Media 6 can also be uploaded to the memory pen and downloaded to the device on site The memory pen can be configured on a PC with the corresponding TROVIS VIEW soft ware using the operating data e g type of gas gas density
16. data to the instrument within this time Troubleshooting using a PC or notebook Communication with a PC or notebook over the SERIAL INTERFACE jack functions even in the error mode Hardware errors These errors are saved in the EEPROM and re set over the SERIAL INTERFACE after repair at the manufacturer s EB 9527 1 EN 27 Troubleshooting Table 5 Error codes Error code Number on LCD LED blinking sequence Description Hardware error 1x long medium 9x short Oscillatory circuit differential inductor faulty Return device to SAMSON for repair 1x long 1x short medium 8x short RAM checksum error RAM is defective Return device to SAMSON for repair 1x long 2x short medium 7x short EEPROM checksum error Return device to SAMSON for repair Calibration or measuring ra nge error or error in the tank characteristic 8 1x long 3x short medium 6x short Ap not within permissible range The permissible range is between 20 and 110 of the nominal range of dp cell Reset error and load other tank or gas data or use a suitable dp cell 16 1x long 4x short medium 5x short Error in the tank characteristic The coordinates for the tank characteristic must be strictly monotonic increasing 32 1x long 5x short medium 4x short Calibration Ap sensor Zero and span adjustment produce values outside of the permissible range These
17. e Press key to reduce the value in steps of 1 or press key to increase the l value Press key to confirm new setting Press key to confirm new setting Write protection switch 4 to ON Press and hold down key 8 seconds long until UCW appears at the top of the display Press or key to switch over to the second alarm that needs to be set Confirm selected alarm and set as de scribed above Write protection switch 4 to ON 22 EB9527 1 EN Media 6 with LED Connect an ammeter to the power supply at connector A Fig 7 or to the TEST terminal Both limit switches are already set over the software as either min alarm or max alarms and are displayed to the assigned differential pressure corresponding to a current between 4 and 20 mA Both alarms need to be set and confirmed separately Write protection switch 4 to OFF Alarm Al Press and hold down key 8 seconds long until the LED starts to blink slowly Press key to display the currently set A1 alarm at the ammeter The LED lights up Press key to reduce the value in steps of 1 or press key to increase the value Press key to confirm new setting The LED goes off Alarm A2 Press and hold down key 8 seconds long until the LED starts to blink slowly Press or key to switch to the A2 alarm indicated by the LED which starts to blink quickly Press key to confirm the selected alarm The LE
18. ection for standardized 4 to 20 mA signal Cable socket Order no 8831 0503 Connector connections for cable O 8 to 10 mm Connection B Software limit switches Cable socket Order no 8831 0500 Fig 4 Terminal assignment of DIN 43650 connector form A EB 9527 1EN 13 Electrical connection Table 3 Summary of functions of both software limit switches Al and A2 at connector B Proximity switch Gas tapping Tank filling Gas tapping for 1 min 1 max alarm 2 min alarm Alarm contact Al A2 Al A2 Tank filling 2 max alarms Value falls below limit High resistance Low resistance High resistance High resistance Low resistance Low resistance Value exceeds limit Low resistance High resistance Low resistance Low resistance High resistance High resistance Both limit switches Al A2 can be configured separately to function as maximum or minimum alarms Contact assumes low resistance Switching signal ON Function Contact closed or output effectively conducting power consumption 2 3 mA Contact assumes high resistance Switching signal OFF Function Contact open or output effectively non conducting power consumption lt 1 mA 14 EB 9527 1 EN Operation 4 Operation Gas type and operating status Tank capacity Tank ID Factor Alarm Al blinking Tank capacity MCN SCN UCW differential pressure and error code Unit of quantity tank ca
19. es or liquids in Zone O areas 8 EB 9527 1 EN Version Output Technical data 4 to 20 mA Permissible load Rg in ohm _Us 12V B 0 020 A Output current circuit Supply voltage Up two wire transmitter Intrinsically safe Media 6 with LCD and LED Refer to PTB 00 ATEX 2074 in appendix 12 to 28 V DC only in combination with an intrinsically safe circuit 12 to 36 V Permissible ambient temperature T6 max 60 C 40 to 70 C T5 max 70 C Permissible storage temperature 40 to 80 C Degree of protection IP 65 according to DIN VDE 0470 and EN 60529 Materials Version Standard version Housing CW617N brass or CrNi steel Measuring diaphragm and seals ECO others on request Range springs Diaphragm plates and functioning parts Lever CrNi steel Indicating unit Note Polycarbonate polyamide Devices intended for oxygen service are labeled Oxygen Keep free of oil and grease These versions are cleaned and assembled by the manufacturer under special conditions Appropriate gloves need to be worn on replacing parts that come into contact with oxygen e g measuring springs When returning devices designed for oxygen service to the manufacturer for repair the sender assumes full responsibility that the handling of the devices to be repaired meets the require ments specified in VBG 62 or equivalent regulations unti
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21. eth ylene the radial thickness of the conductor insulation has to be at least 0 2 mm The diameter of a single wire in a flexible conductor shall not be smaller than 0 1 mm The conductor ends are to be protected from unlaying e g by using wire end ferrules 12 EB 9527 1 EN Connector A Two wire connection for 4 to 20 mA signal perm load Rg Us 12V IT HOA S The supply voltage is usually 24 V DC It may be between at least 12 and maximum 36 V DC while considering the supply lead s resistance directly at the connecting terminals of the connector Connector B Connection for two software limit switches in type of protection Intrinsic Safety EEx ia IIC for control circuits conforming with NAMUR to switching amplifiers as per EN 60947 5 6 Maximum values Ui 20 V li 60 mA Pi 250 mW Ci 5 3 nF Li negligible Power supply unit Electrical connection Test connection An ammeter can be connected to the test ter minals and for checking the output signal on calibration The output signal of the two wire circuit is not interrupted Make sure that there is a load of lt 0 4 V DC at the ammeter for the test connection Caution If the cable socket is removed from the connec tor the degree of protection IP 65 becomes in effective Protect the connector from moisture during in stallation work and transport by keeping the cable socket part screwed on and sealed Connection A Two wire conn
22. fferential pressure Ap100 while monitor ing the pressure gauge Keep key pressed down current signal shows the present mA value LED starts to blink rapidly Press key The span is calibrated current signal goes to 20 mA The LED is lit continu ously for approx two seconds Release key the LED goes out Write protection switch 4 to ON Span protection switch 3 to ON EB 9527 1EN 21 Settings 6 5 Setting limit switches 6 5 2 Alarms Al and A2 6 5 1 Max limit for filling limit du Media 6 with LCD ring operation Alarm Al and A2 markers Both limit switches are already set over the Note o software either as min or max alarms The filling limit during operation set over the AjJMIN or AIMAX as well as A2MIN or software can only be changed over the keys in 49MAX appear onthe displays Boh limi the Media 6 version with LCD switches must be set and confirmed sepa rately UCW Marker Write protection switch 4 to OFF Writ tection switch 4 to OFF LG PEATE tara er Press and hold down key 8 seconds Press and hold down key 8 seconds long until UCW appears at the top of the long until UCW appears at the top of the display display and underneath the associated l Gale Press or key to switch between alarm Al or A2 Press key to confirm the display 4 es Press key to confirm selected alarm Press key to reduce the value in steps of 1 or press key to increase the valu
23. he high pres sure line 2 Open the equalizing valve or bypass in the valve block 3 Close the shut off valve in the low pres sure line The valve block is in test position Write protection switch 4 to OFF Press and hold down key LED starts to blink rapidly Current signal indicates the present mA value Press key to adjust the zero point Current signal 4 mA corresponding to the liquid level at O mbar differential pressure For gas column correction the following applies lt 4 mA See also the note on gas column correc tion on page 18 The LED is lit continuously for approx two seconds Release key Return valve block or equalizing valve to operating position 1 Open the shut off valve in the low pres sure line 2 Close the equalizing valve 3 Open the shut off valve in the high pres sure line the LED goes off 20 EB 9527 1 EN Activate the write protection turn switch 4 to ON 6 4 Checking the measuring range span A basic calibration with a linear characteristic based on the upper range value of the dp cell was performed at the factory default setting The instrument adopts the tank characteristic based on the entered tank and gas data and calculates values proportional to the tank ca pacity to indicate and issue the output signal from 4 to 20 mA using the gas data for the gas selected In exactly the same way the differential pres sure meter calcul
24. l the devices are handed over to the manufacturer Otherwise SAMSON AG will not accept any responsibility EB 9527 1 EN 9 Installation 2 Installation Fig 2 Set up for liquid level measurement The example shows the standard set up in a cryogenic application 2 1 Instrument set up 2 1 1 Media 6 Indicating Unit Make sure that the high pressure line is con nected to the high pressure connection and the low pressure line to the low pressure con nection Note Special fittings are required to connect mea suring lines In addition depending on the in strument set up connections left unused must be fitted with plugs or vent plugs see sec tion 2 2 on accessories for more details 10 EB 9527 1 EN Clean the connections carefully prior to connecting the measuring lines Do not clean the instrument using compressed air or pressurized water Secure the instrument at the place of instal lation to a pipe wall or mounting plate free of vibration For attachment to vertical or horizontal pipes use a mounting component with clamp For wall mounting use a mounting component without clamp See the dimen sional drawing on page 30 for mounting in control panels Note We recommend installing one shut off valve in each measuring line and additionally an equalizing valve or a SAMSON valve block as a compact assembly to shut off both mea suring lines Additionally the zero point can be checked at the i
25. ndicating unit by bypassing the circuit 2 1 2 Valve block The three valves combined in a valve block with test and pressure gauge connections Fig 3 which are flanged directly onto the bottom of the dp cell are available as accessories 2 1 3 Shut off and equalizing valves As an alternative to the SAMSON valve block both shut off valves as well as the bypass valve equalizing valve can also be installed as shown in Fig 3 1 2 2 Accessories for connections Open product connections are protected against contamination by NBR plugs Required screw fittings sealing or vent plugs and screw joints with restrictions used to dampen vibrations caused by the process me Liquid level measurement Media 6 Installation dium especially when measuring gases must be ordered separately The screw fittings and SAMSON valve blocks are listed together with their order numbers in the Data Sheet T 9555 EN ee eee Flow rate measurement From the point of measurement Test connection eee valve lead sea Pressure gauge connection able To indicating unit 1 Shut off valve 2 Equalizing valve Connection for measuring lines Fig 3 SAMSON valve block Fig 3 1 Shut off valves and equalizing valves separate or combined in a block schematics EB 9527 1EN 11 Electrical connection 3 Electrical connection A As far as the electrical installation of the device is concerned the relevant
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27. ote Memory pens with data sets or existing config urations which were created with earlier TROVIS VIEW software versions 1 02 to 2 20 are not 1 1 compatible with Media 6 devices with firmware versions A 2 10 or B 2 10 They must first be loaded and converted over TROVIS VIEW software version 2 30 or higher Memory pens must be configured to suit the Media 6 firmware version Media 6 with LCD Data transfer from Media 6 to memory pen upload and from memory pen to Media 6 download Status Write and read Insert memory pen into the SERIAL INTERFACE jack MEMWR appears at the top of the display Press or key to switch between MEMWR Write data from Media 6 de vice to the memory pen and MEMRD Read data from the memory pen to the Media 6 device Procedure Write data from Media 6 to the memory pen or read data from the Media 6 device to the memory pen MEMRD Short blinking Read data from the memory pen to the Media 6 device MEMWR Long blinking Write data from Media 6 device to the memory pen EB 9527 1 EN 25 Memory pen MEMRD write protection switch 4 to OFF Press key to activate selection RUN appears on the display When the data are saved DONE appears on the display You can remove the memory pen MEMRD write protection switch 4 to ON Transfer data from memory pen to the Me dia 6 device Status Read only Write protection switch 4 to OFF Insert memory
28. pacity Interface Open 1 2 GAS SELECTION PROTECTION 3 ON SPAN equalizing 4 ON WRITE valve Tank ID DIL switches Up key Down key Enter key Test connection LED Span Start Value End Valvue mi Ar XX X mbar XXXX X mbar Insertable label for gas types and A Op XX X mbar XXXX X mbar measuring ranges N XX X mbar XXXX X mbar pok CO XX X mbar XXXX X mbar Note A quick guide is located behind the label of the Media 6 with LED Fig 5 Indicating unit with LCD top and LED bottom EB 9527 1 EN 15 Operation 4 1 Display and operating elements All the necessary information and measured data stored in the instrument s memory are shown on the display of Media 6 with LCD Although the Media 6 with LED version does not have such a digital display important op erating conditions are indicated by the LED Three keys are used to operate the differential pressure meter Up key Down key Enter key and a DIL switch with four switches to select the type of gas and write protection function 4 1 1 Changing over display mode for Media 6 with LCD Press the key to change over from the stan dard display to seven other display modes After 8 seconds or after the message has fin ished running across the display the display returns automatically to the standard display 02 e g gas name and current tank AP current differential pressure MCN Max capacity nominal max
29. pen into the SERIAL INTERFACE jack MEMRD appears at the top of the display Press key to start the data transfer RUN appears on the display When the data are saved in the Media 6 device DONE appears on the display You can remove the memory pen Write protection switch 4 to ON Transfer data from the Media 6 device to the memory pen Status Write only Insert memory pen into the SERIAL INTERFACE jack MEMWR appears at the top of the display Press key to start the data transfer RUN appears on the display When the data are saved in the memory pen DONE appears on the display You can remove the memory pen 26 EB 9527 1 EN Media 6 with LED Transfer data from the Media 6 device to the memory pen or from the memory pen to the Media 6 device Status Write and read Insert memory pen INTERFACE jack The LED blinks in short sequence to indicate that data are being read from the memory pen and blinks in a slow sequence to indicate that data are being written to the memory pen Press or key to switch between writing data from the Media 6 device to the memory pen and reading data from the memory pen to the Media 6 device the SERIAL into On selecting read from the memory pen write protection switch 4 to OFF Press key to activate selection The LED illuminates Remove the memory pen when the LED goes off Write protection switch 4 to ON Transfer data from memory pen to the Me dia
30. perating functions can be carried out and switched ON again afterwards 6 2 Selecting the gas type The required gas type can be selected using the positions of switches 1 and 2 according to the table and diagram below 1 3 4 L Write protection Span protection 2 Gas type Fig 6 DIL switch with switches 1 to 4 EB9527 1EN 17 Settings Media 6 with LCD The gas formula of the gas chosen e g AR CO2 O2 N2 etc appears on the display Select the gas type according to the table using the DIL switch The display is not activated just the selected gas is shown Press to confirm the new gas type The dis play is reactivated Media 6 with LED The four selectable gas types are listed down ward from 1 to 4 or specified with their desig nation on the insertable label Use the switches 1 and 2 of the DIL switch to select the gas type also refer to the table and Fig 6 The gas type selected is indicated by the num ber of times the LED blinks Gas 1 Pause Blinks x1 Pause etc Gas 2 Pause Blinks x2 Pause etc Gas 3 Pause Blinks x3 Pause etc Gas 4 Pause Blinks x4 Pause etc Press to confirm the new gas type The LED goes out 18 EB 9527 1 EN 6 3 Checking the zero point On checking the zero point the pressure must be equal in both measuring chambers at at mospheric pressure Thas means the current signal at connector A or at the TEST connec tion
31. ransfer using memory pen 2 22 2 nme 25 Connection to the PC 2 2 Con 27 Troubleshooting 44 20 sa ANG sense gene 27 Servicing explosion protected versions 29 Dimensions in MM 30 Test certificate 2220 oo 31 Safety instructions Safety instructions A Assembly commissioning and operation of the device may only be performed by trained and experienced personnel familiar with this product According to these mounting and operating instructions trained personnel is referred to persons who are able to judge the work they are assigned to and recognize possible dangers due to their specialized training their knowledge and experience as well as their knowledge of the relevant standards Explosion protected versions of this device may only be operated by personnel who have undergone special training or instructions or who are authorized to work on explosion protected devices in hazardous areas See section 9 for more details Any hazards which could be caused by the process medium and the operating pressure in the instrument are to be prevented by means of appropriate measures Make sure that the instrument is only used where temperatures and operating pressure do not exceed the sizing data specified in the order The Media 6 Differential Pressure Meter is not certified for measuring flammable gases or liquids in Zone O areas Proper shipping and appropriate storage are assumed No
32. start the transfer of new data from the memory pen The instrument is automatically reset on re moving the memory pen With communication using a PC or notebook the instrument is automatically reset after the data is transferred Other errors Confirm errors by pressing key to allow the instrument to continue working Servicing explosion protected versions 9 Servicing explosion protected versions In the event that a component of the Media 6 on which the explosion protection is based must be serviced the instrument must not be put back into operation again until an expert has inspected the device according to explo sion protection requirements has issued a cer tificate stating this or given the device a mark of conformity Inspection by an expert does not have to be carried out if the manufacturer performs a routine test on the device prior to taking it into operation again and the success of the rou tine test is documented by attaching a mark of conformity to the device Explosion protected components may only be replaced by original checked components from the manufacturer EB 9527 1 EN 29 Dimensions in mm 10 Dimensions in mm Pressure sensor depending on manufacturer Control panel N LL Pressure gauge depending on Pressure gauge connections manufacturer f for Paa gauge NG 100 Male thread G 72 B LH with clamping sleeve G 2 DIN 16283 and O ring
33. tank capacity 16 EB 9527 1 EN MCN R SCN SCN R UCW AP100 PTANK X TANK 16 ERROR OFF 100 capacity assigned to 20 mA signal Save capacity nominal geometric capacity up to overflow gauge pipe 100 capacity assigned to 20 mA signal Useable capacity work Maximum differential pressure Nominal tank pressure Indicated value corresponds to the pressure assigned to the density liquid according to vapor pressure diagram If the calculations for MCN and SCN are based on density at 1 bar then 1 bar is shown for PTANK e g tank ID as running text Error message displayed automatically when an error occurs see section 8 on troubleshooting Special signal on opening the equalizing valve 3 6 mA refer to section 4 1 of EB 9527 2 EN 5 Start up 1 Open the equalizing valve 2 Slowly open the high pressure line 3 Close the equalizing valve or the bypass of the valve block 4 Open the low pressure line Note Check the zero point at the dp cell if neces sary as described in section 6 3 and restart the instrument Start up 6 _ Settings 6 1 Write protection The instrument has two write protection func tions WRITE PROTECTION to prevent the operating data from being changed unintentionally SPAN PROTECTION as an additional write protection for the span setting The write protection at switch 4 of the DIL switch must first be switched OFF before vari ous o
34. te Devices with the CE mark meet the requirements specified in the Directive 94 9 EC and the Directive 89 336 EEC The Declaration of Conformity is available on request EB 9527 1EN 3 Firmware modification Table 1 Device firmware versions Modifications in device firmware compared to the previous version Previous version New version A 2 03 B 2 03 A 2 10 B 2 10 The limit switches Al and A2 are configured over software as minimum Limit switches and maximum alarms They can be adjusted separately over the keys on the device Filling limit during The filling limit during operation UCW can be set over the keys on the operation device independently of the limit switches A 2 10 B 2 10 A 2 11 B 2 11 Error code The current output of the Media 6 device is switched to lt 3 6 mA 4 EB 9527 1 EN Firmware modification Modifications in device firmware compared to the previous version Previous version New version EB 9527 1EN 5 Design and principle of operation 1 Design and principle of operation The Media 6 Differential Pressure Meters mea sure and indicate the differential pressure or measured variables derived from the differen tial pressure They are designed for gases and liquids for example for liquid level measure ment in pressurized vessels The measuring device consists of a dp cell and an indicating unit The cell has a measuring diaphragm and range springs designe
35. tl SL 91 Bun sanjnasd ag juaiquip a qissIiwiag sspp gt ainpiadway MOD alqo aU UI UMoUs si Buo sInjpladway pegue Sjgissiwisd pub VW0 63jIss0p sinjDJectwus usampaq VO b aJl0 ay SUONDIOL SNOPIDZDY LOU PUD SAGPIBZDU Ul pasn 2g Aw BAP aul papasa JOU SIR g PUD Jo sanpa WnWxow 2 qissiuiad ay Paplacid SnD 840S Ajpa sungu paya jo 04 PPPFUUO gt ABW Loy yoman puao BAssod O S AJW ANSSI PUMAYAG 9005 VIJIW SPOW ayl spinbij Jo sssp6 Ul WOW PAAUSp SS IDUDA poinspaw Jo ounssdid jpyussayip ayy Buyompu pub Buunspal 104 Sovuas sapayy Sunssaag PUHH L 9006 VIdIW PPOW sy juswd nbz jo wo ds gt PLOZ XILV 00 Ald ON ILV141183 NOILUVNIWUXI IdAL 34 iy a npsy3Ig tel unJag pun Gramupsunoig did HP4SUBSSPUNG 3Y2510Y73 Y981 0X1SAyd EB 9527 1 EN 32 Bramy35UnnIg Fi lgg d 00 L 22 fjos9pung msunsspung 34380423 451 0X 54yg YERUDSSPUNg BYS1UYF9 481 0x154Y4 ay Jo ppaorddo soud ay au nba oys saBuny gt Jo spog papapul jnpayos sabuna Aus pnoy pun Aapua sp u paanpaadau aq Auo Anw Spools voyou 60A 33 sy papasa aa pas pun san puba noypi Sopp USAa Sd 93 Jeg8441psBunsaiGay JsAawsuuryor N Buy Ng ipes ls nynu s Japio Ag Logz eunr zo Bieaussunpig ZINYISSUEISO Axq a e SSHuNsaIZYIYS7 09017 10 XA ald Modos so L ON Lunpuappy siy o osjo eBunu gt Inoyjim Adde mop Ja j0 ayy ity ajqibyBeu 7 J4UE G gt MW OG d yu gg l ADZ n 159N DA WINLUIXDW prn
36. values are not saved in the EEPROM Check zero and span adjustment taking the Ap into account Otherwise return device to SAMSON for repair Other errors 64 1x long 6x short medium 3x short Error in floating point Check tank or gas data 1x long 7x short medium 2x short Memory pen invalid The memory pen ID is incorrect or faulty Data cannot Be read however writing to the memory pen is still possible Use a memory pen suitable for the Media 6 device 1x long 8x short medium 1x short Memory pen checksum error Confirm error and transfer data again to memory pen If error still occurs replace the memory pen Note 1x long 9x short medium Error in RS 232 communication The USART has detected an error or there is a buffer overflow Confirm error and check communication Error codes might refer to an addition of all the errors for example ERROR 24 gt Error code 8 and error code 16 When an error code appears on the display the current output signal of the Media 6 device is switched to lt 3 6 mA 28 EB 9527 1 EN Calibration and measuring range error or error in the tank characteristic You can only exit the error mode by resetting If necessary new data must first be loaded into the device see section 7 1 After confirming using the key 8 seconds remain until a new error message can appear The short time interval is long enough to
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