Mounting and Operating Instructions EB 6111 EN
Contents
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7. Mount connectors 3 and 4 at the ends of the manifold rail and secure them in place with the grub screws 6 Connectors Supply air Connect the supply air either over the con nector 3 or over a hose screw fitting or push on fitting 10a or 10b Firmly screw the hose screw fitting 10a or push on fitting 10b with its seal 10 1 into one of the two connectors 3 If the accesso ries include a shut off valve 11 mount it between the connector and supply air port screw fitting End connection Screw screw plug 2 into the connector us ing sealing tape If a pressure gauge 1 is fitted seal it in place of the screw plug Insert seals 4 on both connectors and push them on the left or right side into the con necting rail Align connectors and secure them in place with the grub screws 6 13 Supply air manifold for rail mounting unit 74 8 91 Pressure gauge Screw plugs Connector 14 Seals 10 1 Coupling 11 MAx grub screw l Connection for output signal a Hose screw connection b Hose push on connection Washer Cap screw 4 1 6 O ring 3x2 7 mm below Connection for supply air A a Hose screw connection b Hose push on connection Seal Shut off valve 1 Seal dj 12 M3x6 screw with seal 15 Connecting plate hose connection 16 Connecting plate supply air manifold with 3x10 mm screws 4 yY 5 4 8 Height of supply air manifold 5
8. 100 O 0 10 4104 Z O JO DuBis pappunis 04 0 JO O JO JUdIIND juepuedepur ppo PUD UD jo pesoduuoo si 191194u05 d I 8 9 JOPOW 41 jueuidinb3 jo uoyd assq c1 X 2102 X31V ZO Ald v 1 gt 21 pun yeisuesopung 27 6111 SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de 6111 2015 06 16 English
9. or C and or Lo WARNING Incorrect electrical connection will render the explosion protection un sale Adhere to the terminal assignment specified in the certificate Operation 3 3 Pneumatic connection Rail mounting unit The standard connections for supply air SUPPLY 9 and output OUTPUT 36 are de signed as hose connections suitable for hose with 4 mm inside diameter and 6 mm out side diameter see Rail mounting unit on page 19 The hose connection are also available with Vs NPT Vs or 5 female thread Field unit See Field unit on page 20 The pneumatic connections supply air and output are de signed as a with 4 18 NPT thread Supply air see section 9 Min 0 4 bar above the upper signal pressure range value Max 10 bar Optional for rail mounting unit Supply over manifold see section 7 4 Operation See Fig 5 on page 19 4 1 The device converts the input signal tionally into the output signal Checking zero and span The signal ranges are specified on the name plate The specified range is fixed and can only be changed by approx 10 using the potentiometers the device does not work properly for any reason check the zero and span The ZERO and SPAN potentiometers are ac cessible through the holes in the front cover after opening the clear plastic cover see Fig 1 and section 10 D Note The zero point of devices with boos
10. II 2G Ex ia 16 acc to ATEX 1 amp Il 3G Ex nA II 16 acc to ATEX 4 8 Housing For rail mounting 35 mm top hat rail 0 DIN EN 6071 5 Field housing in stainless steel 1 4581 i p module Type 6109 6112 2 Input A to 20 mA with switch off electronics O O to 20 mA without switch off electronics 2 Os 2 A to 12 mA with switch off electronics 24 DIES 12 to 20 mA with switch off electronics 2H EOS EA Volume output from 0 1 bar 3 psi 1 booster output from bar O psi 2 2 2 Output 0 2 to 1 0 bar I ESI 3 to 15 psi T 507 0 4 to 2 0 bar 2 EOS ES 6 to 30 psi 2 12x02 Special Initial value Span Ap ranges 0 1 to 0 4 bar 0 75 to 1 00 bar 2 JE 0 1 to 0 4 bar 1 00 to 1 35 bar 2 1772 0 1 0 4 1 35 to 1 81 2 1263 0 1 0 8 bar 1 81 to 2 44 bar 2 wa 0 1 0 8 bar 2 44 to 3 28 bar 2 IES 0 1 to 0 8 bar 3 28 to 4 42 bar 2 IES 0 1 to 1 2 bar 4 42 to 5 94 bar 2 IZ 0 1 1 2 bar 5 94 to 8 00 bar 2 18 Operating Increasing increasing direction Increasing decreasing 2 2 Pneumatic For hose with 4 mm inside and 6 mm 0 0 connection outside diameter screwed hose M10 x 1 6 27 NPT female thread 0 ISO 228 G Ys female thread 0 2 5 female thread 0 3 14 18 NPT 1 4 Electrical For 0 5 to 2 5 mm terminals 0 connection Angle connector DIN EN 175301 803 0 2 M20 x 1 5 1 3 Degree of IP 20 0 1 protection 65 1 2 Temperature Tmin 2 20 0 Spec version Without DONE 1 Without switch
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12. air at least 1 4 bar Input signal faulty Check whether the input signal at the terminals reaches 100 100 is e g 20 mA in standard version and 12 mA for split range operation NOTICE i p converter has a load of max 6 V standard version max 7 V Ex ia version Check specification concern ing permissible load at the source of the input signal 16 EB 6111 EN Technical data 9 Technical data Type 6111 Rail mounting unit Field unit Explosion protection Il 2 G Ex ia IIC T6 II 3 G Ex nA 16 4 to 20 mA 0 to 20 mA on request for split range 4 to 12 mA or 12 to 20 mA other signals on request Standard lt 6 V corresponding to 300 at 20 mA load Explosion protected version 7 V corresponding to 350 O at 20 mA without switch off electronics lt 4 V corresponding to 200 at 20 mA 0 2 to 1 bar 3 to 15 psi standard range 0 4 to 2 bar 6 to 30 psi standard range with Type 6112 i p Module Special ranges adjustable at the factory to meet customer specifications Initial value Span Ap Module A 0 1 to 0 4 bar 0 75 to 1 0 bar Module B 0 1 to 0 4 bar 1 0 to 1 35 bar Module C 0 1 to 0 4 bar 1 35 to 1 81 bar Module D 0 1 to 0 8 bar 1 81 to 2 44 bar Module E 0 1 to 0 8 bar 2 44 to 3 28 bar Module F 0 1 to 0 8 bar 3 28 to 4 42 bar Module G 0 1 to 1 2 bar 4 42 to 5 94 bar Module H 0 1 to 1 2 bar 5 94 to 8 0 bar 2 0 m h at an output of 0 6 bar 0 2 to 1 0 bar Max air output capa
13. an i p converter mod ule and a downstream volume booster When operated the supplied direct current i flows through the plunger coil 2 located in the field of a permanent magnet 3 At the balance beam 1 the force of the plunger coil which is in proportion to the current is balanced against the force of the dynamic backpressure which is produced on the flapper 6 by the air jet leaving the nozzle 7 The supply air 9 flows to the bottom chamber of the volume booster 8 and a certain amount of air determined by the dia phragm position flows past the sleeve 8 5 and leaves through the output OUTPUT 36 The output signal p is used also to supply the nozzle 7 The offset spring 8 2 ensures EB 6111 EN Description that the output signal is at least 100 mbar even at an input signal of O mA As the input current and the forces acting on the plunger coil increase the flapper 6 moves closer to the nozzle 7 This causes the backpressure upstream of the restriction 8 4 increase until it corre sponds with the input current The increasing backpressure pushes the dia phragm 8 3 and the plug sleeve 8 5 downwards As a result the supply air caus es the output pressure p to increase until a new state of equilibrium is reached in the di aphragm chambers When the backpressure p drops the dia phragm moves upwards releasing the plug sleeve The output pressure p can escape through the slee
14. mm Fig 4 Exchanging the connecting plate in the converter top Assembling the supply air manifold EB 6111 EN 7 2 2 Fittings for pneumatic output signals Attach the output signal connection 7a or 7b to the holes on the bottom of the con necting rail thread Fasten the hose screw fitting connection 7a together with a washer 7 1 The hose push on fitting connection 7b has an integrated seal and is fastened without the washer 7 1 7 2 3 Connecting supply air manifolds A coupling 5 with seals 4 is used to con nect the individual connecting rails together gt Place seals 4 on the outer grooves of the coupling 5 gt Press the coupling into the manifold hole and push on the connecting rail as far as it will go gt Screw in grub screws 6 to fasten the parts together 7 3 Mounting the Type 6111 Converter on the manifold gt Attach fastening screws for Type 6111 Insert cap screws 8 from below into the holes in the connecting rail and push on O rings 9 from the top to prevent the screws from falling out gt Unscrew the original connecting plate 15 from the bottom of the converter and replace it with the black connecting EB 6111 EN Supply air manifold for rail mounting unit plate 16 using the two 3x10 mm screws included in the accessories Fig 4 top 2 Slightly tilt the converter upwards and place it on the manifold already mounted 7 1 Press the conv
15. 1 EN 17 Technical data Technical data continued Ambient conditions degree of protection weight Storage temperature 40 to 70 C Ambient temperature 20 to 70 C Degree of protection IP 20 IP 65 Weight approx 0 35 kg 1 9 kg Materials Housing Glass fiber reinforced polyamide Stainless steel 1 4581 18 EB 6111 EN Dimensions 10 Dimensions Rail mounting unit Adjuster Electric terminals Plastic cover iS AH oureur WI Suee N 36 F 7 5 5 mm holes wall mounting Pneumatic connections for hose with 4 mm inside diameter and 6 mm outside diameter Version with connecting plate Vs Ya NPT thread Connecting plate Fig 5 Rail mounting unit Dimensions in mm EB6111 EN 19 Dimensions Field unit Holes for attaching the bracket R1 A M20xl 5 96 Bracket 1 400 7432 Fig 6 Field unit Dimensions in mm 20 EB 6111 EN 11 Accessories number in parentheses x See Fig 4 on page 14 Accessories spare parts Connecting plate or adapter plate Accessories Order no Connecting plate with hose connection without coupling nut 15 M10x1 coupling nut for hose connection 15 Connecting plate 15 Connecting plate G6 15 Adapter plate for supply air manifold 16 0360 2950 0250 1831 0360 3251 0360 3250 0360 3096 3x12 mm screw for connecting plate with hose con
16. Devices that have already been used outside hazardous areas and are intended for future use inside hazardous areas must comply with the safety requirements placed on ser viced devices Before being operated inside hazardous areas test the devices according to the specifications for servicing explo sion protected devices EB 6111 EN 7 Supply air manifold for rail mounting unit See Fig 4 on page 14 Supply air manifolds and the corresponding accessories are listed in section 11 The manifold Fig 4 is available as an ac cessory and provides a common air supply for several Type 6111 i p Converters The manifold can be made to be as long as required by combining two or more connect ing rails of the manifolds for 3 4 5 and 6 converters Individual connecting rails are connected by a coupling 5 order no 1400 7294 with seals 4 Optionally the manifold can be fitted with shut off valve pressure gauge as well as hose connections screw or push on fittings for the output signals 7 1 Mounting the supply air manifold To fix the manifold to a wall or to a panel in a control cabinet drill holes for M5 screws in the groove of the connecting rail Make sure you keep 18 mm distance be tween the holes and the left and right edge of the rail to allow you to mount the i p con verters properly EB 6111 EN Supply air manifold for rail mounting unit 7 2 Preparing the supply air manifold 7 2 1
17. Electropneumatic Converters Type 6111 i p Converter Type 6111 in standard version Type 6111 mounted on a supply air manifold Type 6111 in field enclosure Mounting and Operating Instructions EB 6111 EN Edition April 2015 Definition of signal words DANGER Hazardous situations which if not Property damage message or mal avoided will result in death or seri function ous Injury Note WARNING Additional information Hazardous situations which if not avoided could result in death or seri ous in SE Mp jury 9 ecommended action 2 6111 EN 2 1 2 2 20 3 1 3 2 3 2 1 3 0 4 1 4 1 1 4 1 2 4 2 7 1 7 2 7 2 1 720 73 10 11 12 13 Contents General safety Tis 4 ose A E 5 5 re een een 9 Lo P 6 9 BOSI ON 9 Electrical 9 Mounting and installation in hazardous 9 Pneumotic connection 10 9p 10 Checking zero and 10 11 Sol 11 Zero adjustment for versions with an input signal of 0 to 20 11 P 12 Servicing explosion protected devices ssscsssscsssscsssscssssessc
18. ccssessssscessecees 12 Supply air manifold for rail mounting unit 22 2200022020200000000000000000000000000 13 Mounting the supply air 18 Preparing the supply 13 OS t OO TOO T 13 Fittings Tor pneumatic oulpu signals u 15 Connecting supply dir man 15 Mounting the Type 6111 Converter on the manifold 15 16 Technical 17 Dimensions fe 19 ell QI M 21 Aricle net 23 25 6111 EN 3 General safety instructions u General safety instructions The device must be mounted started up or serviced by fully trained and qualified personnel only the accepted industry codes and practices are to be observed Make sure employees or third persons are not exposed to any danger All safety instructions and warnings given in these mounting and operating instructions particularly those concerning installation start up and mainte nance must be strictly observed According to these mounting and operating instructions trained personnel refers to individuals 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 applicable standards The regulators comply w
19. city 3 2 5 m3 h at an output of 1 2 bar 0 4 to 2 0 bar 8 5 m h at an output of 5 0 bar 0 1 to 8 0 bar At least 0 4 bar above the upper signal pressure range value max 10 bar without supply pressure regulator Input Supply air Air quality acc to ISO 8573 1 Max particle size and density Class 4 Oil content Class Pressure dew 2001 point Class 3 or at least 10 K below the lowest ambient temperature to be expected Power consumption 0 08 m 3 h at 1 4 bar 0 1 m 3 h at 2 4 bar Max 0 26 m 3 h at 10 bar Characteristic Characteristic Output linear to input Hysteresis lt 0 3 of final value lt of upper range value for upper range values up to 5 bar more exact values on request lt 1 5 of upper range value for upper range values above 5 bar Supply air lt 0 1 0 1 bar Alternating load supply air failure interruption of the input current lt 0 3 Deviation from terminal based conformity Effect in of the upper range value Ambient temperature lower range value lt 0 03 K span lt 0 03 K Dynamic response At an output of of 0 2 to 1 bar Limiting frequency 52hz Phase shift 30 Vardblensnmon Max 3 5 depending on iras position e g 1 when mounted orizontally 1 Initial value raised up to 3 0 bar special version 2 The max possible output pressure is 8 bar 3 Measured with 2 m hose with 4 mm inside diameter EB 611
20. diameter 1400 With one screw plug 7268 7275 7282 7289 With pressure gauge 0 to 6 bar and shut off valve 7272 7279 7286 7293 Coupling 5 to connect supply air manifolds including two 1400 7294 NBR seals 4 number in parentheses x See Fig 4 s Connection for DENN Accessories spare parts Supply air manifold Thread hose D d mm Order no mounted Pressure gauge O to 6 bar 1 27 8520 0019 Shut off valve 11 14 30 8502 0044 3 GA 20 Connector G 4 3 0230 2581 Seal for connector 14x2 5 mm NBR 4 8421 0347 Hose screw fitting output 7a D d 6 4 19 8582 1450 Hose push on fitting output 7b 6 4 13 8582 1563 Washer 7 1 8414 0136 Hose screw fitting supply air 10a D d 10 8 21 8582 1735 Seal 10 1 hose connection 8414 0140 Hose push on fitting supply air 10b D d 10 8 23 8582 1564 Connecting plate standard 15 D 6 hose 0360 2950 Connecting plate supply air manifold 16 Attached to supply air manifold 0360 3096 Screw plug 2 8323 0005 4 grub screw 6 8324 0605 M4x 6 cap screw 8 8333 0495 3x2 7 mm O ring NBR 9 8421 0235 D Outside diameter d Inside diameter 22 EB 6111 EN Article code 12 Article code Order no Type 6111 a FIT Explosion Without 0 protection
21. erter down and se cure it with the fastening screw 8 Note If fewer Type 6111 Converters are mounted on the manifold than it is in tended for seal any unused holes in the supply air duct with the M3x6 cap screws 12 and seals included in the accessories Manifold rail length mm Combination with coupling Units per manifold rail Height 75 mm 108 144 180 216 252 1 Plus length of accessories 15 Troubleshooting 8 Troubleshooting Corrective action to be Problem Possible reasons Comments taken Supply air not connect Check supply air connec e tion See section 3 3 NOTICE No output signal de spite changing the input signal Incorrect terminal as signment Connect and termi nals correctly See sec tion 3 2 converter does not need any extra voltage Do not connect 24 V DC Incorrect input signal Connect correct signal Read nameplate O to 20 mA or 4 to 20 mA converter con stantly vents off air loudly Connections for supply air and output at the i p converter mixed up Check pneumatic con nections See section 33 converter does not reach 100 output e g 20 mA input Output only 70 instead of 100 Supply pressure too ow Supply air must be 0 4 bar higher than the max output signal sup ply air 0 4 bar Read nameplate Output 0 2 to 1 bar gt Sup ply
22. hem if necessary 4 2 Zero adjustment for ver sions with an input signal of 0 to 20 mA These versions do not have potentiometers to adjust zero or span nor switch off electron ics The zero point can only be adjusted me chanically at the zero screw 1 1 To proceed remove the front cover and in sert a screwdriver through the hole in the cover of the Type 6112 i p Module see Fig 1 and section 10 11 Maintenance 5 Maintenance No specific maintenance measures need to be carried out To guarantee trouble free op eration of the converter make sure that the supply air is always clean see section 9 for air quality Therefore check the air filter and separator installed in the upstream air reducing station regularly 12 6 Servicing explosion protected devices If a part of the device on which the explosion protection is based needs to be serviced the device must not be put back into operation until a qualified inspector has assessed it ac cording to explosion protection require ments has issued an inspection certificate or given the device a mark of conformity Inspection by a qualified inspector is not re quired if SAMSON performs a routine test on the device before putting it back into op eration Document the passing of the routine test by attaching a mark of conformity to the device Replace explosion protected components on ly with original routine tested components from the manufacturer
23. ith the requirements of the European Pressure Equip ment Directive 2014 68 EU Devices with a CE marking have a declaration of conformity which includes information about the applied conformity as sessment procedure This declaration of conformity can be provided on re quest To ensure appropriate use only use the regulator in applications where the operating pressure and temperatures do not exceed the specifications used for sizing the regulator at the ordering stage The manufacturer does not assume any responsibility for damage caused by external forces or any other external factors Any hazards that could be caused in the valve by the process medium op erating pressure or by moving parts are to be prevented by taking appropri ate precautions Proper transport storage installation operation and maintenance are as sumed EB 6111 EN 2 Description 2 1 Application The device is used to convert a direct current input signal into a pneumatic output signal for measuring and control tasks It is particularly suitable as an intermediate element between electric measuring devices and pneumatic controllers or between elec tric control devices and pneumatic control valves The input is a load independent direct cur rent of 4 to 20 mA or 0 or 20 mA The output is a pneumatic signal of 0 2 to 1 bar or other signal ranges up to max 8 bar 2 2 Principle of operation See Fig 1 on page 7 The devices consist of
24. ll using the two 5 5 mm holes The devices can also be mounted to a supply air manifold using the corresponding acces sories see section 11 Field unit Mourt it using the bracket 1400 7432 See Field unit on page 20 3 2 Electrical connection For electrical installation observe the rele vant electrotechnical regulations and the ac cident prevention regulations that apply in the country of use In Germany these are the VDE regulations and the accident pre vention regulations of the employers liability Insurance Adhere to the terminal assignment specified in the certificate Switching the assignment of the electrical terminals may cause the explo sion protection to become ineffective gt Connect the wires for the input signal to the and terminals The terminals are designed for wires with 0 2 to 2 5 mm see section 9 No additional voltage supply is required EB 6111 EN Installation 0 4 to 20 mA Fig 3 Terminal connection Input signal 3 2 1 Mounting and installa tion in hazardous areas The following regulations apply EN 60079 14 VDE 0165 1 Electrical Ap paratus for Explosive Gas Atmospheres and EN 50281 1 2 VDE 0165 2 Electrical Ap paratus for Use in the Presence of Combusti ble Dust The maximum permissible values specified in the EC type examination certificates apply when interconnecting intrinsically safe elec trical equipment U or Us I or lo P or Po C
25. nection 3x16 mm screw for connecting plate and 3x10 mm screw for adapter plate for supply air manifold 8336 0728 8336 0730 8336 0727 Male screw fitting Vs on hose with 4 mm inside diameter and 6 mm outside diameter brass Male screw fitting V4 on hose A mm inside diameter and 6 mm outside diameter brass Accessories for field unit 8582 1450 8582 1523 Order no Mounting bracket stainless steel including two M6x12 hexagon head screws and washers to mount the field unit to the bracket 1400 7432 Supply air manifold for converter units 3 4 5 6 Order no Supply air manifold basic version including 14 1400 connectors With one screw plug 7266 7273 7280 7287 With pressure gauge 0 to bar 7269 7276 7283 7290 With pressure gauge 0 to 6 bar and shut off valve 7270 7277 7284 7291 EB 6111 EN 21 Accessories Supply air manifold with hose screw fittings for outputs hose with A mm inside diameter and 6 mm outside diameter and supply air hose with 8 mm inside diameter and 10 mm outside diameter 1400 With one screw plug 7267 7274 7281 7288 With pressure gauge 0 to 6 bar and shut off valve 7271 7278 7285 7292 Supply air manifold with hose screw fittings for outputs hose with 4 mm inside diameter and 6 mm outside diameter and supply air hose with 8 mm inside diameter and 10 mm outside
26. o 20 mA version Flapper Nozzle Volume booster Offset spring Diaphragm Restriction Plug sleeve venting Fixed restriction Springs Output pressure Backpressure cascade pressure Supply air Description Switch off electronics see Fig 2 Devices with an input range from 4 to 20 mA have a slide switch which activates the switch off electronics This function allows the input signal to be set mA when the signal falls below the switching point of 4 08 tolerance This causes the pneumatic output to be vent ed approximately 100 mbar This guaran tees for example the tight shut off function of a valve This function requires a charac teristic which passes through the zero point Slide switch for switch off electronics Fig 2 Switch off electronics for example at an output signal of 0 2 to 1 bar If the characteristic line does not pass through zero for example for an allocated output signal from 0 8 to 2 7 bar then the pneumatic output is vented to a remaining pressure of approx 0 3 bar when the switch off electronics are activated Output 0 2 to 1 bar Remaining pressure approx 0 1 bar mA 4 8 12 16 20 bar Output 0 8 to 2 7 bar Remaining pressure approx 0 3 bar 4 8 12 16 20 EB 6111 EN 3 Installation 3 1 Rail mounting unit Mounting position Snap the device onto the top hat rail see Rail mounting unit on page 19 Optionally mount it to a wa
27. off electronics and without potentiometer for zero point and span correction 7 A relatively stable supply air network is required for the version with volume booster 3 Specily setting range e g set to 0 1 to 4 bar output pressure max 8 bar supply air 10 bar 4 For Ex nA version rail mounting unit an enclosure with min IP 54 see statement of conformity p 26 5 Initial value raised up to 3 0 bar special version 300 and 301 EB 6111 EN 23 4 5 91195 001 4bjsupsepung eu siuug2o u sip pisAud pisupsepung eupsiutpe upsipprsAug eur jo eui anba seBupup spog seBupup noypi ur pe npoudei eq AHUUOJUOD JO JueulejDIS SIU bes pup eunjpu amp rs Jo sjueuepIS Buy 99 e nyou is g 005 Jequie oN 97 2 zjnuossuoiso dx3 Sjja4ssbun g z y 107 9191 51 33 9 eui joys uswd nba jo 21 pun HD4supsepung 9 251 29 25 Bie upsunbag 91192 001 eeppsepung HPISUBSSPUNg 25
28. ter cannot be adjusted lower than 0 1 bar Do not adjust the characteristic in de vices with booster II at all as the setting is much more complicated than in the version with booster EB 6111 EN 4 1 1 1 Connect a pressure gauge minimum curacy class 1 to the converter output Zero 2 Set the supply air to 0 4 bar above the upper output signal range value and ap ply it to the device 3 Deactivate the switch off electronics at the slide switch 5 push the switch ac cessible through the oblong hole at the bottom of the converter away the ACTIVE arrow 4 Set the input signal to the lower range value using a suitable ammeter e g set it to 4 mA for 4 to 20 mA range 0 2 to 1 bar The output signal of the pressure gauge should now indicate 0 2 bar If this is not the case readjust the zero point accordingly with the ZERO potenti omeler 4 1 2 Span 1 Set the input signal to 20 mA upper range value using a suitable ammeter For example the output signal at the pressure gauge should now indicate 1 0 bar for a 4 to 20 mA range 0 2 to 1 0 bar EB 6111 EN Operation 2 If this is not the case readjust the span accordingly with the SPAN potentiome fer 3 Change the input signal abruptly from 20 to mA and check whether the out put signal assumes the upper range val ue of 1 0 bar As the adjustment of zero and span influ ence each other recheck both values and correct t
29. ve until the forces are equal again Volume booster See Fig 1 on page 7 Booster Fo Il bottom iagram diagram Output signal 0 1 bar or 0 0 bar or a higher higher i p converter 6109 vetit module Type 6112 only Note A relatively stable supply air network is required for the version with volume booster Il D Description Sample applications Booster It can be used in all applications allowing zero point of min 0 1 bar Jumps in the sup ply air network can be compensated for without affecting the output signal For example to control pneumatic control valves Booster Il It can be used in applications requiring a ze ro point of O bar For example to control pneumatic cylinders or rollers used in the pa per industry 2 3 Versions See section 12 on page 23 EB 6111 EN 6109 6112 Module ds AZ OUTPUT 36 eo SUPPLY 9 dE Z2 ANZ Version with volume booster 7 Type 6112 i p Module OO O SS SIR NS 3 ARAS OUTPUT 36 Di Y 4 A TR 8 6 777 2 77 um y PA Pk 6 7 8 8 2 Version with volume booster II Fig 1 Functional diagram e EB 6111 EN Description Balance beam Mechanical zero point ad juster 0 to 20 mA version only Plunger coil Permanent magnet Zero point and span adjust ers not in to 20 mA ver sion Slide switch for switch off electronics not in O t
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