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Mounting and Operating Instructions EB 8390 EN

1. Initial reading electronic limit switch initialized Return to RUN mode Enter key number If the wrong key number is entered V IN IN IN IN the mode does not Wu change Enter key number If the wrong key number is entered the mode does IN IN IN IN Vi change Wu 2 4 Change to SET Pg pg configuration mode no operation settings CUT of parameters can JC C be changed gt Z Other configura el tions possible e e 3 Example Hh CCI IC adapting the display direction 0 7 2 S Gray background RUN operating mode operation parameters cannot be changed Turn Press 40 8390 8 Start up WARNING Mount the electronic limit switch keeping the following sequence Mount the electronic limit switch on the actuator See sections 5 1 and 52 Connect the supply air See sec tions 6 1 and 6 2 Connect the electrical power See section 6 3 Perform the start up settings See section 8 Perform the start up settings the same sequence as described sec tions 8 1 to 8 7 Reading a
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6. 3738 20 Electronic Limit Switch with optional integrated solenoid valve for on off valves Mounting and Operating Instructions EB 8390 EN C Ex Firmware version 1 20 Edition June 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 jury 9 ecommended action 2 EB 8390 EN 3 1 3 2 9 9 4 1 4 2 5 1 5 1 5 1 5 2 md 5 2 33 6 1 6 2 6 3 7 1 7 3 8 1 8 2 8 3 8 4 8 5 Contents Important safety instructions csscssscssssssscssssssnsessscseccssasssascsssessessenseses 7 8 Design and principle of operation cesses eere eene rennen eene 9 bir 12 MIU EIU MI CIPUE 13 Safety related information essere 13 Technical NG EEE 15 Electronic limit switch cccccccccessccssscesseccssecessecessecessecessecesseceseeenseecsseeesaes 15 Oo A VUE nee ee 19 Aacheni 20 Attachment to linear actuators eese tenente tene 2 Mero tolo a AIET E E E E 2 22 Attachment to rotary ac
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9. 49 E AEI S 49 Parameter list eese 60 Partial stroke test PST 49 Principle of operation 9 R Reading RICETTE 41 Electronic limit switch initialized A Electronic limit switch not initialized 41 NN 42 58 Replacing electronic limit switches 47 Reset to default settings 48 Rotary pushbutton 36 S Safety instructions 7 Safety related information 13 Solenoid valve Technical data 19 56 36 4 8390 32 Supply 32 Switching function of contacts 43 T Technical data Electronic limit switch 15 Solenoid valve 19 Testing COMMAS NUN 55 Testing solenoid valve 56 Wire es prior tree mittens 55 Z Zero calibration 48 EB 8390 EN 79 80 8390 Key number Parameter list PO P1 2 4 5 P10 11 PI P14 15 P16 17 P18 P19 P20 P21 P22 P23 P24 P25 P27 In
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11. Note The status messages are only generated when P12 YES Time out during PST Mechanical blockage Supply pressure too low External leakage Recommended action Check attachment and supply air line Time out during PST Mechanical blockage Supply pressure too low External leakage Recommended action Check attachment and supply air line Error EO to E10 exists See section 13 2 EB 8390 EN 65 F6 F7 No switching voltage Incorrect voltage supplied to the solenoid valve during PST Breakage of wire to external solenoid valve Recommended action Check switching voltage to integrated external solenoid valve Note It is only evaluated when the partial stroke test is started manually P17 Parameter list Status message Possible causes Configuration mode See page 41 SET activated 66 EB 8390 EN 13 2 Error messages Parameter list Error message Possible causes Error messages marked with an asterisk can be confirmed in SET configuration mode See sec tion 9 5 2 TROVIS VIEW The last 32 error messages are displayed with a time stamp TROVIS VIEW Diagnostics Logging of device errors Device not initialized INIT actuator does not INIT min travel not reached INIT max travel ex ceeded INIT actuator travels too fast EB 8390 EN The electronic limit switch has not yet been initialized Recommended action Start initialization with P9 or
12. Rotary pushbutton local operation LED for solenoid valve Internal supply NAMUR contact A limit switch for fail safe position NAMUR contact B limit switch for operating position NAMUR contact C signal on reaching target range during partial stroke test NAMUR contact St fault alarm contact Fig 2 Schematic diagram Type 3738 20 xxx 1400xxx000 Electronic Limit Switch with integrated solenoid valve 10 EB 8390 EN Article code Electronic limit switch Signal for solenoid 2 valve V1 Actuator AMR sensor with electronics Rotary pushbutton local operation A D converter LED for solenoid valve Microcontroller Internal supply Galvanic isolation NAMUR contact A limit switch for fail safe position Galvanic isolation NAMUR contact B limit switch for operating position Actuation of solenoid valve NAMUR contact C signal on reaching target range during Solenoid valve partial stroke test Display NAMUR contact St fault alarm contact UNS 3 Schematic diagram Type 3738 20 1000xxxx00 Electronic Limit Switch with external solenoid valve EB 8390 EN 11 Design and principle of operation NAMUR contacts A B C The contacts can be configured as either NO or NC contacts See Fig 4 and section 8 5 NAMUR contact St This contact is a NC contact 3 1 Type 3738 20 xxx 1400xxx000 Electronic Limit Switch with integrated solenoid valve Versions The electron
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15. reset to its default setting Code P21 Refer to section 8 10 Note If an electronic limit switch is re placed with another electronic limit switch of the same type the replaced electronic limit switch may not need to be re initialized provided certain conditions are met see section 8 8 After the electronic limit switch has been ini tialized the current valve position appears in on selecting PO Keep the rotary pushbut ton O pressed to display the reading as an angle Two types of initialization are available Automatic initialization with P9 parame ter Manual initialization with P10 parameter by manually confirming the end positions POS1 and POS2 8 7 1 Start automatic initial ization Note The automatic initialization can be canceled by pressing the rotary push EB 8390 EN Start up button ESC appears on the dis play Data saved in the electronic limit switch before the initialization can be restored by pressing the rotary push button again P9 Display reading when initialization has not been started After initialization has started P9 Initialization is being prepared P9 Initialization in progress P9 Initialization successfully completed Turn gt P9 display INIA Press and hold for six seconds The sec onds remaining until the initialization starts appear on the display Initialization star
16. tions 6 1 and 6 2 Connect the electrical power See section 6 3 Perform the start up settings See section 8 The connection of the power may cause the actuator shaft stem to move depending on the operating mode Do not touch the actuator shaft stem or obstruct it to avoid risk of injury to hands or fingers Pneumatic connections NOTICE Observe the following instructions to avoid damaging the electronic limit switch and or solenoid valve Run and attach the connecting lines and screw joints according to good professional practice Check them for leaks and damage at regular intervals and repair them if neces sary Before starting any repair work depressurize any open con necting lines EB 8390 EN Connections The air connection are designed as threaded holes with G V4 or V4 thread depending on the device version Protect the exhaust air con nections or venting by installing a filter or taking other appropriate precautions to prevent water or dirt from entering them Operation using a pressure reduc ing valve The Kys coefficient of an upstream pressure reducing valve must be at least 1 6 times larger than the coefficient of the de vice Air pipe The minimum nominal size of the air pipe must be a pipe with an inside diameter of 4 A larger nominal size is needed when the connection length ex ceeds 2 m Operation with external solenoid valve Type
17. OPEN 100 of travel range Operating position Valve CLOSED 0 of travel range Note Observe the assignment depending on the direction of action see page 83 After initialization this parameter is locked and can first be selected and changed after performing a reset to default settings P21 60 EB 8390 EN Parameter list No Parameter Readings values default setting Description P Switching function of contacts NC contact See sec contact tion 8 5 NO NX6 ESC Note The contacts A B and C can be individually configured in the TRO VIS VIEW software This indicated on the display as NX1 NX6 All the con tacts are configured together as NC contact 1 or NO contact 2 by the on site operation P7 Switching contact lower end The following applies See sec Polen gt Switching contact for fail safe position u 0 5 to PB 2 0 ESC id s Switching contact for operating position 2 0 Note Observe the assignment depending on the direction of action see page 83 P8 Switching contact upper end The following applies See sec pon PTO Switching contact for operating position 5 P7 2 0 10 99 5 ESC oot 98 0 9 witching contact for fail sate position Note Observe the assignment depending on the direction of action see page 83 P9 Automatic initialization INIA Starts initialization See
18. P10 parameter Mechanical blockage Supply pressure too low External leakage Incorrect voltage supplied to the solenoid valve Recommended action Check attachment and supply air line Check switching voltage to integrated external solenoid valve Mechanical blockage Supply pressure too low External leakage Recommended action Check attachment and supply air line Increase angle of rotation at the actuator e Maximum angle exceeds 170 Recommended action Reduce angle of rotation at the actuator e K coefficient of solenoid valve too high Recommended action e Install a restriction Version for external solenoid valve Reduce K coefficient at solenoid valve 67 Parameter list Error message Possible causes INIT no switching volt age applied INIT time out Function canceled Unable to calibrate end positions Device error Device error Incorrect voltage supplied to the solenoid valve Forced venting active during initialization Recommended action Check switching voltage to integrated external solenoid valve Check forced venting input Supply pressure too low Friction too high Ky coefficient of solenoid valve too low Recommended action Check attachment and supply air line Version for external solenoid valve Use a different solenoid valve with a higher Ky coefficient Internal error Recommended action Repeat function initializati
19. RUN operating mode The valve leaves the operating position 100 without a switching demand 53 Operation nJsso ns 154 7 njsso ns jou L 154 T m 71 C C ld 714 IS 7 pojuo pojuo pojuo The contact remains activated three seconds after valve moves out again of the PST target range Example Course of first two partial stroke tests Fig 17 NC P6 The graph shows the states when A B and C contact setting EB 8390 EN 54 5 Select RUN operating mode P2 The countdown starts after the electronic limit switch has been switched to the RUN operating mode P2 RUN 6 Evaluate PST Fig 17 A partial stroke test is successfully com pleted when the valve reaches the de fined PST target range but has not moved beyond it Contact C responds when the valve enters the PST target range and remains activated three sec onds alter the valve leaves the PST target range again The status contact St remains in the no response state gt 2 1 mA as long as the PST target range is reached and not ex ceeded If the status contact St is activat ed by the valve not reaching the PST tar get range it remains activated until the next partial stroke test is started Thi
20. already been used out side hazardous areas and are intended for future use inside hazardous areas must comply with the safety requirements placed on serviced devices Before being operated inside hazardous areas test the devices ac cording to the specifications for servicing explosion protected devices 12 Firmware update serial in terface Firmware updates on electronic limit switches currently in operation can be performed as follows When updates are performed by a service employee appointed by SAMSON the up date is confirmed on the device by the test mark assigned by SAMSON s Quality Assur ance In all other cases only plant operator per sonnel with written approval may perform updates Updates are to be confirmed by ap proved personnel on the device EB 8390 EN Firmware update serial interface Laptops and PCs connected to the power supply must not be used without an addition al protective circuit This does not apply to laptops in battery op eration In this case it is assumed that a bat tery powered laptop runs briefly for software programming or testing purposes a Updates outside the hazardous area Remove the electronic limit switch from the plant and update it outside the haz ardous area b Updates on site Updates on site are only permitted after the plant operator presented a signed hot work permit After updating has been completed add the current firmware to the n
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22. of schematic dia grams Placing the electronic limit switch into op eration using its default settings page 39 Changing the operating mode and pa rameter settings page 40 37 Operating controls and readings Table 4 Indication of operating states Contacts A B C can configured as required NC or NO contact Contact St is always a NC contact Bj Cy S ooo Possible operating states in SET configuration mode Device not initialized default settings Device initialized fail safe position lo ej ol e Device initialized operating position Possible operating states in RUN operating mode Fail safe position Operating position Fail safe position FO to F15 status messages E10 error message EO to E8 error messages F10 status message Error E9 serious device error xl message 9 Possible operating states during partial stroke test PST see section 9 2 for further details 1 The contact remains activated three seconds after the valve moves out again of the PST target range O NC closed NO open NO open closed Wire break 38 EB 8390 EN Placing the electronic limit switch into operation using its default settings Switching voltage must be applied Initial reading electronic limit switch not initialized P1 Reading direction 1234 P4 Actuator type ROT P5 Actuator s
23. started EI UNEER u ae SS P3 Display reading 1 P3 Display reading 2 P3 Display reading 3 P3 Display reading 4 42 Display reading 5 Display reading 6 Display reading 7 P3 Display reading 8 P3 Display reading 9 P3 Display reading 10 Turn gt P3 display TSTD Press reading 1 Turn reading 2 to 10 Press to confirm testing The last test of the display readings is saved with a time stamp in the electronic limit switch The time stamp can be read in TROVIS VIEW EB 8390 EN 8 3 Determining the actuator type The setting of the actuator type rotary or lin ear actuator is made using P4 parameter P4 Actuator type Default ROT Turn gt P4 Press PA blinks Turn gt ROT rotary actuator LIN linear actuator Press to confirm the actuator type and to exit the parameter Note 57 initialization this parameter is locked and can first be selected and changed after performing a reset to default settings P21 8 4 Determining the direction of action Observe the assignment of contacts A and B depending on the direction of action page 83 The setting is made using P5 parameter P5 Direction of action Default PTO EB 8390 EN Start up Turn gt P5 Press P5 blinks Turn PTC power
24. stem or obstruct it to avoid risk of injury to hands or fingers 9 1 Lock operation When the locking function is active the elec tronic limit switch can only be operated re motely using the TROVIS VIEW software The locked on site operation of the electronic lim it switch is indicated on the display by icon The on site operation is locked and unlocked in the TROVIS VIEW software 9 2 Partial stroke test PST WARNING Ear protection must be worn if the lest is performed on the version with integrated solenoid valve while the housing cover is open The probability of failure on demand PFD can be reduced and maintenance intervals can be extended by the partial stroke test PST This helps prevent the valve from seizing up in its operating position EB 8390 EN Operation The following conditions must be met before the partial stroke test PST can be per formed An automatic initialization must have been performed see section 8 7 1 The switching voltage must be applied Test procedure Fig 16 The electronic limit switch issues pulses of various lengths to the solenoid valve briefly de energizing it during the partial stroke test PST moving the valve further towards the fail safe position The test has been completed successfully when the valve has reached the target range PST step PST tolerance by one pulse but not exceeded it Wh
25. stroke test 52 Example PTO direction of action 53 Teste Ane COMO PRUNUS E DIN 55 Testing Ihe solenoid Vale ae 56 57 oe MESSAGES ee ee 57 A N E A E EE ee ET 57 Confirming status and error messages 58 Maintenance calibration and work on equipment 58 PCIE ONCE METTE CO OC CO DT 58 Servicing explosion protected devices 58 Firmware update serial interface eee eee eere eere eere 59 Parameter lasse Me Iba ITE 60 ICUS MSS SSS nen T TT 64 TT TT T 67 Dimensions In MiMi aan een 69 Fixing levels according to VDI VDE 3845 September 2010 70 Assignment based on the direction of action csscssscsssccsssessscssccssnsssecees 83 EB 8390 EN Firmware revisions Firmware Revisions EB 8390 EN 1 12 Changes to parameters and error messages see section 13 e Changes to the partial stroke test PST see section 9 2 The data can be read out by connecting the device at the SSP interface to a computer Parameters renumbered due to parameters being added or removed Removed parameters PST initialization the partial stroke test no longer needs to be initialized Info Rotary motions New parameters Actuator type rotary or linear actuator See section 8 3 Switching f
26. supply attachment Fig 9 air port SUPPLY of the mounting plat Standard mounting platform for mount form 2 ing onto Pfeiffer Type 31b Rotary Actua Version with external solenoid valve tor with integrated air holes Type 3738 20 xxx1000xxx00 Mounting platform for piping as required for mounting to standard actuators ac cording to VDI VDE 3845 The supply air is connected at the side of 5 2 2 Attachment both mounting platforms The blanking plug The attachment depends on the shaft height needs to be removed from the air connec of the rotary actuator upon which the elec tion tronic limit switch is to be mounted Fig 11 1 Insert the molded seal 3 into the mount Screw with Fillister head ing platform 2 depending on the type magnet 6 screws 10 of actuator single acting or double act 2 Slide the O ring 3 1 onto the air duct of 30 mm shaft he molded G 3 Press the molded seal 4 onto the air 50 mm shaft 24 2 4 ducts underneath the mounting platform 2 2 n mm shaft SW 24 20 mm M5 x 40 eight No preparation is necessary Supply pressure Supply pressure Standard mounting platform Mounting platform with piping as required 1380 1266 or 1380 1268 1380 1738 or 1380 1739 Fig 9 Mounting platform 26 EB 8390 EN Single acting Attachment Electronic limit switch Mounting platform Molded seal O ring Molded seal Distance piece Fig 10 Prepara
27. with magnet does not need to be adjusted The AMR anisotropic magnetoresistive sensor located in the device together with the measuring electronics 1 can detect the directional change of the applied magnetic field and as a result sense the movement of the actuator The actuator is operated by a solenoid valve 7 which converts the binary signal issued issued by the electric control equipment 6 into a binary pressure signal The electronic limit switch has four NAMUR contacts the limit switch for fail safe position contact A 13 and the limit switch for oper ating position contact B 14 issue a limit signal when the valve reaches the corre sponding end position Contact C 15 indi cates when a third limit is reached or the PST target range of the partial stroke test has been reached The switching response of the contacts can be adjusted within the travel range The fault alarm contact St 16 indi cates the generation of any status and error messages An electronic limit switch version for an ex ternal solenoid valve Fig 2 is available for higher air capacities required by large actu ators The principle of operation is the same Article code Electronic limit switch Signal for solenoid Actuator AMR sensor with electronics A D converter Microcontroller Galvanic isolation Galvanic isolation Actuation of solenoid valve Solenoid valve Air capacity booster Display
28. y8 8 5 91 xq uoyosjord jo ur Er TITLE TESTER TE sns soqos jur X 6505 XALV 80 ALd uoneuruex3 ad J4 oj 5 pue 8194250021 gesuesopung T uosipeqrs4u q 16013110 jo uone suga 77 EB 8390 EN Index Index A 30 Article code 8 Attachment Accessorles 30 To linear actuators 21 rotary 24 Coble Nieren 33 Calibration 58 Communication TROVIS VIEW 13 Connections arcum I UE 32 Pneumatic 31 Contacts Technical data 16 55 D Direction of 43 E End position calibration 48 Error messages 57 67 F Faults 22222 nn 57 Firmware 59 Initialization Automatic 2 45 Manudl nenn 46 78 L 44 58 Operating elements 36 Operating structure 37
29. 2G eb ia IIC T4 examination 2012 02 02 ll 2D Ex tb T80 C IP66 certificate No RU C DE 08 B 00114 Date 2013 11 15 e ia Gb X Valid un 2018 11 14 Ex tb T80 C Db X til EC type PTB O8 ATEX 2039 X Il 3G Ex ic IIC TA examination Ex nA 114 Gc certificate 2012 02 02 Il 3D Ex tc T80 C IP66 GYJ12 1108X Ex nL TA T6 2012 04 27 Ex nA TA T6 Gc oe U 5017 04 26 DIP A22 TA T6 18 EB 8390 EN Technical data 4 2 Solenoid valve Integrated solenoid valve Type 3738 20 xxx 1400xxx000 Current draw 35500 3 325 mA corresponding to 14 4 mA at 24 Version 3 2 way or 5 2 way function Function determined by the position of the molded seal 2 1 000 000 switching cycles U Temperature range 25 to 80 operation Switching Nominal 24 V DC reverse polarity protection galvanic isolation voltage voltage External solenoid valve Type 3738 20 xxx 1000xxxx00 Electronic Limit Switch Switching Signal O When the voltage falls below 15 V DC EB 8390 EN 19 Attachment 5 Attachment 20 DANGER Electrostatic charging Due to the high surface resistance of the enclosure cover 10 installation and mainte nance on the equipment must be performed in such a way as to pre vent electrostatic charging Mechanical effects In areas where damage to the housing can be expected due to mechanical influenc
30. 3738 20 xxx1000xxxx00 The input pressure must not exceed the maximum supply pressure of the external solenoid valve refer to the specifications given by the solenoid valve manufacturer Do not remove the blanking plug on the air port of the mounting platform 3 The supply air must be dry and free rom oil and dust The maintenance instructions for upstream pressure reducing stations must be ob served Blow through all air pipes and hos es thoroughly before connecting them 31 Connections 6 2 Supply pressure Version with integrated solenoid valve Type 3738 20 xxx 1400xxx000 Depending on the mounting platform used ISO 228 1 or 4 18 NPT customary fittings for metal or copper tubing or plastic hoses can be used The supply is connected at the side of the support element or mounting platform Operation with external solenoid valve Type 3738 20 xxx1000xxxx00 Connect the supply air to the external sole noid valve following the instructions given by the solenoid valve manufacturer 6 3 Electrical connection DANGER Risk of electric shock and or the for mation of an explosive atmosphere For electrical installation observe the relevant electrotechnical regulations and the accident prevention regula tions that apply in the country of use The following regulations apply to in stallation in hazardous areas EN 60079 14 VDE 0165 Part 1 Explosive Atmospheres Electrical Installation
31. 44425118 dg yejsuesopung auosium23 u2sipexgs4uq 8 ueura22 Jo uon e sug p EB 8390 EN 76 op z ppv 594 Spouposungag 91182 001 2o esopung yejsuesopung ouosyoo qosqexis4ug geisuesapung auasruqoa Aq aq 318 suonesyipou 10 5 moya paonpolda Ajuo roo uorreumuexo JA SUL 295 JOU eunjeudis NOY 5212210422 204 234 p Jo paled pue 10322J1 Jo oursuueuof 341 24 pz ypeisuesopung oyosiuyse L ySs feyis yg durejs jeAeursuueqor 9 0 2107 Bromyosunvig uorsodx 101 101295 9015 51 XH Ald 1591 PUB JUOUISSOSSV 6007 TE 62009 L007 TT 62009 NA L00C L 6L009 6005 0 62009 Spiepugjs 8 yno UIM 972941125 244 oui Jo 12205 pue suonrpuoo eroads au L peA1esqo 1 yey a nsua pu o quordd symoaro ayes A BOISULNUT jo ou 8 soni oq 412540 07 8 8 f 811181240 II VU X3 904921044 Jo ad pews qigijdou T JU 5 9 HW 01 07 Ju 09 5 7 AU 191 9 ze 4 556
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34. Disk spring 5 2 Nut 6 Follower pin 6 1 Washer 6 2 Nut Fig 6 Fastening the follower on lever EB 8390 EN Attachment Electronic limit switch Support element Supply air port SUPPLY Screw Lever Disk spring Nut Follower pin Washer Nut Follower plate Washer Screws Follower plate Screws Bracket Pin Screws Stem connector Fig 7 Mounting the electronic limit switch on linear actuators EB 8390 EN 23 Attachment 5 2 Attachment to rotary actuators Fig 8 The electronic limit switch is mounted on ro tary actuators according to VDI VDE 3845 level 1 2010 The version with integrated solenoid valve can be directly mounted to a Pfeiffer Type 31b Rotary Actuator Required accessories see Table 3 page 30 24 EB 8390 EN Attachment Versions with integrated solenoid valve Version for external solenoid valve Type 3738 20 xxx 1400xxx000 Type 3738 20 xxx 1000xxxx00 Shaft height B Distance between holes A Fig 8 Mounting to rotary actuators according to VDI VDE 3845 level 1 2010 EB 8390 EN 25 Attachment 5 2 1 Preparations 4 For attachment to rotary actuators with 50 mm shaft height press the second Version with integrated solenoid valve molded seal 4 onto the air ducts under Type 3738 20 xxx1400xxx000 Fig 10 neath one of the distance pieces 5 Or Two mounting platforms are available for the Remove the blanking plug on the
35. Electrical connections Four M20 x 1 5 cable glands for 6 to 12 mm clamping range screw terminals for 0 2 to 2 5 wire cross sections Explosion protection See Table 1 EB 8390 EN 15 Technical data Electronic Limit Switch Type 3738 20 xxx 1400xxx000 3738 20 xxx1000xxxx00 Version With integrated solenoid valve For external solenoid valve Safety ap Safety related end po The limit switches are suitable for use safety instrumented proval sition monitoring systems up to SIL 2 single channel and SIL 3 redundant con figuration according to IEC 61508 For further details see section 3 3 Emergency venting See section 3 3 Same as specifications of the solenoid valve manufacturer Housing Die cast aluminum EN 51 2 Fe EN AC 44300 acc to DIN EN 1706 powder paint coated Housing cover Cover gasket Indicator wheel contacts indication Contacts Contact A PTO power to open responds when the valve moves through Limit switch for fail safe the switching contact towards the lower end position P7 position solenoid valve PTC power to close responds when the valve moves through de energized the switching contact towards the upper end position P8 Contact B PTO power to open responds when the valve moves through tor the switching contact towards the upper end position P8 operating position PTC power to close responds when the valve moves through solenoid valv
36. T actuator travels too fast ES INIT no switching voltage applied INIT time out E7 Function canceled E8 Unable to calibrate end positions E9 Device error 1 Device error 2 The parameters errors marked with an asterisk can only be changed confirmed in the SET configuration mode Assignment based on the direction of action Assignment based on the direction of action PTO power to open Fail safe position 0 Valve CLOSED P7 0 5 to 96 0 2 0 Contact B Operating position 100 Valve 4 0 to 99 5 98 0 96 51 52 OPEN PTC power to close Fail safe position 100 Valve OPEN P8 4 0 to 99 5 98 0 Contact B position 0 Valve P7 0 5 to 96 0 2 2 0 gt 2 CLOSE EB 8390 EN 83 SAMSON AG MESS UND REGELTECHNIK Weism llerstraDe 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 8390 EN 2015 07 02 English
37. al solenoid valve 14 NPT 1402 0543 Plus mounting parts for Type 3271 Actuator Version up to 700 cm 1400 60 and 2800 120 versions 1402 0544 2800 30 and 2800 60 versions 1402 0545 1400 9859 1400 9860 1400 9861 1402 0332 Attachment to rotary actuators acc to VDI Size AA1 20 mm shaft height VDE 3845 fixing level 1 Size AA2 and AA3 30 mm shaft height 2010 Size AA4 50 mm shaft height Size AA4 in special version 50 mm shaft height See section 14 1 for dimen 88 mm shaft diameter e g AIR TORQUE Type SC sions 3000 and Pfeiffer Type 31b 2000 to 5000 size Size AA5 80 mm shaft height 1402 0586 Standard mounting platform black 4 1380 1266 Standard mounting platform black 1 4 NPT 1380 1268 Mounting platform with piping as required G 14 1380 1738 Mounting platform with piping as required 1 4 NPT 1380 1739 Cable glands M20 x 1 5 1880 4875 TROVIS VIEW Configuration TROVIS VIEW with device module 3738 20 free download from and Operator Interface soft www samson de Mm Serial interface adapter SAMSON SSP interface to 1400 7700 RS 232 port on a computer Isolated USB interface adapter SAMSON SSP interface 1400 9740 to USB port on a computer 30 EB 8390 EN 6 Connections 6 1 WARNING Mount the electronic limit switch keeping the following sequence Mount the electronic limit switch on the actuator See sections 5 1 and 5 2 Connect the supply air See sec
38. ameplate this can be done using labels 59 Parameter list 13 Parameter list No Parameter Readings values default setting Description Parameters marked with an asterisk can only be changed when the electronic limit switch is in the SET configuration mode set in P2 PO Info actual value After initialization current valve position in See sec Keep pressed down gt current valve position tion 8 in angle Before initialization Travel in P1 Reading direction The reading direction of the display is turned by See sec 1234 VEZL ESC 180 tion 8 1 Start up P2 Configuration RUN Operation mode parameter settings See RUN SET ESC cannot be changed page 40 SET Configuration mode no operation pa settings can be changed gt icons F15 status message generated P3 Verify LCD segments Read only See sec TSTD 0000 to 9999 4 Actuator type Rotary actuator See sec ROT LIN ESC LIN Linear actuator tion 8 3 After initialization this parameter is locked and can first be selected and changed after performing a reset to default settings P21 P5 Actuator s direction of action PTO power to open See sec PTO ESC Fail safe position Valve CLOSED 0 of tion 8 4 travel range Operating position Valve OPEN 100 of travel range PTC power to close Fail safe position Valve
39. art up 8 8 Replacing an electronic limit switch An old electronic limit switch can be re placed by another new electronic limit switch of the same type by performing an end position calibration in the operating or fail safe position but without having to ini tialize the new one provided the following conditions are met Data from the electronic limit switch be ing replaced are downloaded and saved in TROVIS VIEW The screw with magnet must not be un fastened while the electronic limit switch is being replaced The end stops of the valve must not be changed while the electronic limit switch is being replaced Replacing an electronic limit switch Download and save data from the elec tronic limit switch being replaced in TROVIS VIEW gt Replace electronic limit switch gt Load data from TROVIS VIEW onto the new electronic limit switch gt Perform an end position calibration as described in section 8 9 47 Start up 8 9 Zero end position calibra tion When the zero point or end positions are in correct it may be necessary to recalibrate them Always perform an end position cali bration for the fail safe position and for the operating position The electronic limit switch must be in the con figuration mode SET See page 40 P11 Reading when the end position cali bration has not been started After the end position calibration has been started P11 Zero e
40. as not yet been initialized or it has been reset to its default settings P21 the three contacts A B and C also respond After the device has been initialized and is in RUN operating mode various states of the contacts can be set see Table 4 depending on the control and status or error messages Parameters cannot be changed or for exam ple the device cannot be re initialized in the RUN operating mode for reasons of safety Errors EO to E8 have priority over the switch ing positions for reasons of safety A serious device error E9 is additionally signalized by a wire breakage in accordance with DIN EN 60947 5 6 Contact C can be used for monitoring the partial stroke test PST It responds when the EB 8390 EN Operating controls and readings valve position exceeds the selected limit PST step PST tolerance P14 Y2 P15 It is possible to monitor the PST tar get range when the P12 parameter status readout for PST target range is activated this case the fault alarm contact St responds whenever the valve position is above or be low the limit PST step 1 2 PST toler ance This monitoring function is not active by default If the partial stroke test is not used a third switching position can be indicated by con tact C The contacts can indicate the operating states listed in Table 4 The operating structure is shown on the fol lowing pages in the form
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42. c limit switch must be in the con figuration mode SET See page 40 P20 Reading before the test starts After the test has started P20 Testing solenoid valve Example PTO Turn gt P20 TSTS Press P20 blinks and ESC is displayed EB 8390 EN Turn gt Operating position Turn to de energize the solenoid valve the valve moves to the fail safe position while the rotary pushbutton is pressed Turn gt ESC Press to exit the parameter 9 5 Faults 9 5 1 When a status message is generated the fault icon is displayed in the RUN operating mode In addition the fault alarm contact St is activated Status messages The possible cause of the fault is indicated by the STAT parameter reading under FO to F15 Note The status message Actuator transit time exceeded is only gen erated when a fault occurs and when P13 z OFF The status messages F6 Min value for PST not reached and F7 Max value for PST exceeded are only generated when a fault occurs and when P12 YES The status message indicates that one of the error messages EO has been generated EB 8390 EN Operation Example F2 Limit of maximum rotary motion P26 exceeded Refer to the parameter list section 13 1 for possible causes and the recommended ac tion 9 5 2 Error messages When an error message is generated the i fault icon
43. direction of action PTO P Switching func tion of contacts A B Switching contact lower end position 2 0 P8 Switching contact upper end position 98 0 38845 1 co queue gt qum eS gt 59 um Initial reading electronic limit switch initialized Change to RUN mode Enter key number If the wrong key number is entered the mode does not change Initialization success fully completed Partial stroke test PST can be config ured see sec tion 9 2 Initialization in progress P9 Automatic initialization Gray background RUN operating mode operation parameters cannot be changed EB 8390 EN Turn 39 Changing the operating mode and parameter settings Initial reading electronic limit switch initialized gt gt Se SZ gt DS SS qum 59 on c2 e gt quum Ss 59
44. e the switching contact towards the lower end position P7 energized Signal for wire breakage according to DIN EN 60947 5 6 Contact C Responds when the valve reaches the PST target range Signal when target PST target range range reached during PST step P14 1 2 PST tolerance P15 partial stroke test 16 EB 8390 EN Technical data Electronic Limit Switch Type 3738 20 xxx 1400xxx000 3738 20 xxx 1000xxxx00 With integrated solenoid valve For external solenoid valve Contacts Contact C PTO power to open responds when the valve moves through Limit contact for inter the switching contact towards the operating position P14 mediate position PTC power to close responds when the valve moves through the switching contact towards the fail safe position P14 Contact St Responds when a status message or error message is generat Fault alarm contact always NC contact Current specifications when contact A Contact 50 pA wire breakage is not connected Contact 1 2 mA Contact St 2 1 2 mA EB 8390 EN 17 Technical data Table 1 Explosion protection certificates for Type 3738 20 Electronic Limit Switch EC type 08 ATEX 2039 X 2G Ex ia T6 en 2012 02 02 ll 2D Ex ia T80 C IP66 No RU C DE 08 B 00114 Date 2013 11 15 1 ia 6 5 4 Ga Valid un 2018 11 14 Ex tb T80 C Db X til EC type 08 ATEX 2039 X
45. ed Confirmation of fail safe position solenoid valve de energized P10 P10 Fail safe position found Confirmation of operating position solenoid valve energized P10 P10 Operating position ound Initialization successfully completed P10 Turn gt P10 display INIM EB 8390 EN Press and hold for six seconds The sec onds remaining until the position check starts appear on the display Display 51 gt Move the valve to the fail safe position manually de energize the solenoid valve Press to confirm the fail safe position gt WAIT The electronic limit switch saves the fail safe position Display POS2 gt Move the valve to the operating position manually energize the solenoid valve Press to confirm the operating position gt WAIT The electronic limit switch saves the operat ing position After the initialization has been successfully completed the current valve position in is indicated The electronic limit switch is in the configura tion mode SET To start operation exit the configuration mode see page 40 The manual initialization is automatically canceled if a fault occurs ERR on the dis play The initialization error can be read in the ERR parameter level No initialization E2 Min travel not reached E3 Max travel exceeded Time out EB 8390 EN St
46. ed assumptions Safety related end position monitoring All switching contacts of the Type 3738 20 Electronic Limit Switch behave as stipulated in DIN EN 60947 5 6 and are suitable for use in safety instrumented systems up to SIL 2 single device and SIL 3 redundant configuration according to TUV IEC 61508 The contacts can be used either as NC or NO contacts Their switching states are indi cated according to DIN EN 60947 5 6 Contact A is assigned to the end position for the fail safe position limit switch for fail safe position The fail safe position is the end po sition to which the single acting actuator is moved by the spring return mechanism when the solenoid valve is de energized Emergency venting When the optional integrated solenoid valve is used the electronic limit switch discharges its pneumatic output to the atmosphere when the solenoid valve is de energized This causes the mounted actuator to be vented 13 Design and principle of operation The function is suitable for use in safety in strumented systems up to SIL 2 single chan nel and SIL 3 redundant configuration ac cording to IEC 61508 Note Safety related end position monitor ing and emergency venting work in dependently from one another to meet the device design requirements to conform with SIL Requirements Short mean time to repair compared to the average rate of demand Normal exposure to industrial environ ment and fl
47. egrated Company version SAMSON AIR TORQUE Housing Standard aluminum black structured RAL 9005 Cover Gray beige Black Silver gray Safety approval see section 3 3 TUV IEC 61508 Special applications Without O 0 1 1 0 1 3 2 0 8390 3 Design and principle of oper ation The Type 3738 20 Electronic Limit Switch can replace conventional solenoid valves and limit switches used for the automation of on off valves without the need to change the wiring or signal level Major features of the electronic limit switch include Unification of the functions featured in lim it switches and a solenoid valve in one housing Power supplied in a two wire system from the connection of contact A without the need for an additional power supply Non contact sensing of the rotation angle by a magnetoresistive sensor system Integrated diagnostics with partial stroke testing PST Suitable for use in safety instrumented sys tems up to SIL 2 single device and SIL 3 redundant configuration See section 3 3 Fig 1 Valve assembly with electronic limit switch version with integrated solenoid valve EB 8390 EN Design and principle of operation Fig 2 and Fig 3 The electronic limit switch is designed for at tachment to linear and rotary actuators The travel is measured without contact using a magnet on a screw positioned centrically on the actuator shaft The screw
48. en the tar get range is reached contact C responds The analysis of a successfully completed test provides the following data PST pulse length PST dead time PST transit time SV de energized PST hold time PST transit time SV energized PST travel PST status If the test could not be completed the corre sponding F8 or F9 status message is gener ated F8 No switching voltage during PST F9 Time out during PST Note If the travel of the PST is monitored and if necessary the status mes sages F6 Min value for PST not 49 Start up Direction of action PTO Contact Contact Contact B Contact B Contact B Contact B ontac ontac ontac ontac Contact St SV off Holding time D PST start PST start PST start Direction of action PTC Contact C Contact C Contact Contact Contact Contact St PST start PST start PST start PST successful PST not successful PST successful PST not successful Fig 16 Partial stroke test PST 50 EB 8390 EN reached and F7 Max value for PST exceeded are to be generat ed the P12 parameter must be set to YES Contact C can be used fo indicate a third switching position Refer to following example for direction of action PTO EB 8390 EN t s Operation 9 2 1 Defining the PST target range Define t
49. en the valve has reached the target range PST step PST tolerance by one pulse but not exceeded it P16 Start automatic PST Interval between automatic partial stroke tests See sec OFF 1 to 999 days ESC tion 9 2 P17 Start manual PST PST A single automatic partial stroke test is started See sec tion 9 2 Locking function P18 Lock operation HMI Locking of on site operation icon c See Sec NO SSP HMI ESC Only using TROVIS VIEW SSP Locking of remote operation in TRO VIS VIEW Only with on site operation Test functions P19 Testing contacts TSTC A B Checking of contacts A B C and St See sec B_LB C St tion 9 3 ESC Note B_LB on the display simulates a wire break according to NAMUR at con tact B 20 Testing solenoid valve TSTS Solenoid valve de energized fail safe position See sec tion 9 4 62 EB 8390 EN Parameter list Parameter Readings values default setting Description Reset function P21 Reset Resets all settings of electronic limit switch to the See sec RST ESC factory default settings tion 8 10 Display functions Read only P22 Info actuator transit time Time s required by the actuator to move to when solenoid valve is de en fail safe position dead time transit time ergized Values determined during automatic initializa ti
50. er 5 according to Table 2 2 Insert the follower pin 6 into the pin po sition according to Table 2 of the lever 5 Fasten tight using the washers and nuts Fig 6 3 Place the lever 5 on the shaft of the sup port element 2 and fasten it tight using the disk spring 5 1 and nut 5 2 4 Mounting to actuators with 120 to 700 cm actuator areas Fig 7 1 Fasten the follower plate 7 1 at the mid dle holes to the stem connector 9 of the actuator using the washers 7 2 and screws 7 3 22 5 6 Mounting to 3271 Actuators with 1400 and 2800 cm actuator areas and with 200 mm rated travel Fig 7 2 Fasten the follower plate 7 4 at the out er holes to the stem connector 9 of the actuator using the screws 7 5 Mounting to Type 3271 Actuators with 2800 actuator area and with 50 100 or 200 mm rated travel Fig 7 3 Screw the bracket 8 to the stem connec tor 9 of the actuator using the screws 8 2 Fasten the follower plate 7 1 together with pins 8 1 located in the middle holes to the bracket 8 using the washers 7 2 and screws 7 3 Fasten the support element 2 to the ac tuator using the screw 4 ensuring that the follower pin 6 comes to rest in the slot of the follower plate 7 1 7 4 Electronic limit switch with integrated so lenoid valve connect supply air to supply air port SUPPLY 2 1 B i 5 2 n ae 5 N Lever 5 1
51. es the housing must be protected by an additional cover Combustible dust atmospheres The electronic limit switch complies with the requirements for type of protection Ex tb as the enclosure housing is designed according to EN 60079 31 The housing has the degree of protection IP 66 accord ing to IEC 60529 WARNING Mount the electronic limit switch keeping the following sequence Mount the electronic limit switch on the actuator See sections 5 1 and 5 2 Connect the supply air See sec tions 6 1 and 6 2 Connect the electrical power See section 6 3 Perform the start up settings See section 8 Observe the following instructions to avoid damaging the electronic limit switch Use only the accessories listed in the Table 3 to mount the electronic limit switch Observe the shaft height of the ac tuator on mounting the electronic limit switch on rotary actuators Mounting position Any mounting position may be used howev er the electronic limit switch must not be in stalled in a suspended position EB 8390 EN Attachment to linear actua tors 5 1 The electronic limit switch is mounted to lin ear actuators according to IEC 60534 6 NAMUR attachment Required accessories see Table 3 page 30 5 1 1 Version with integrated solenoid valve Type 3738 20 xxx1400xxx000 Fig 5 1 Insert the molded seal 3 into the sup port element 2 depending
52. fo actual value Reading direction Configuration RUN SET Verify LCD segments TSTD Actuator type Actuator s direction of action Switching function of contacts A B C Switching contact lower end position Switching contact upper end position Automatic initialization INIA Manual initialization INIM End position calibration REF Issue status PST target range Status indication actuator transit time PST step end PST tolerance band Start automatic PST Start manual PST PST Lock operation Testing contacts A B B_LB C St TSTC Testing solenoid valve TSTS Reset RST Info actuator transit time when solenoid valve is de energized Info actuator transit time when solenoid valve is energized Info temperature Info operating hours Max rotary motions Reset rotary motion counter P28 Info firmware version Status messages FO Stationary outside required desired end posi tions Fl Left end position without being required to move F2 Limit of P26 exceeded F3 Temperature limits exceeded FA Actuator transit time exceeded F5 Actuator stationary when required to move F Min value for PST not reached FZ Max value for PST exceeded F8 No switching voltage during PST F9 Time out during PST FIO Error EO to E10 exists 15 _ Configuration mode SET activated Error messages EO No initialization El INIT actuator does not move E2 INIT min travel not reached E3 INIT max travel exceeded EA INI
53. fter connecting the electrical pow er supply PO Display when the electronic limit switch has not yet been ini tialized fault alarm icon and ap pear on the display when the electronic limit switch has not yet been initialized The electronic limit switch is not in ser vice Parameter settings can be changed P2 SET See page 40 EB 8390 EN Start up Note The current angle of rotation is set to 0 by pressing the rotary pushbutton The current angle of rotation is displayed in when the electronic limit switch has been initialized To change parameter settings the config uration mode SET must be activated See page 40 The F15 status message is activated in the configuration mode SET 8 1 Adapting the display direc tion The reading on the electronic limit switch dis play can be turned by 180 to adapt it to how the electronic limit switch is mounted P1 Reading direction If the displayed data appear upside down proceed as follows Turn gt P1 Press P1 blinks Turn 1234 7551 Press to confirm the reading direction and to exit the parameter Al Start up 8 2 Verifying readings on dis play NOTICE For safety instrumented systems the display s functioning must be tested The display s functioning is checked using the P3 parameter P3 Display reading when the test has not been started When the test has been
54. g Note on the selection of cables and wires Observe clause 11 2 for installa tion of the non intrinsically safe circuits and clause 12 of EN 60079 14 VDE 0165 Part 1 for installation of the in trinsically safe circuits Clause 12 2 2 7 of EN 60079 14 applies when running multi core cables and wires with more than one intrinsically safe circuit The radial thickness of the insula tion of a conductor for common insulating materials e g polyeth ylene must not be smaller than 0 2 mm The diameter of individ ual wires in a fine stranded con ductor must not be smaller than 0 1 mm Protect the conductor ends against splicing e g by us ing wire end ferrules When two separate cables are used for connection an addition al cable gland can be installed Seal cable entries left unused with certified Ex e blanking plugs The electronic limit switch is powered over the connection of the contact A according to DIN EN 60947 5 6 An additional electrical power supply is not required EB 8390 EN Connection Fail safe position 0 Operating position Cable entry The threaded connection for the terminal compartment is designed with an M20 x 1 5 thread The screw terminals are designed for wire cross sections of 0 2 to 1 5 Tighten by at least 0 5 Nm NOTICE The switching voltage of the inte grated solenoid valve is connected either at the terminals V1 81 82 or at
55. g are suitable for diagnosis of connected de vices such as solenoid valve pneumatic ac tuator and valve Repairs Devices which are used in safety instrument ed systems must be repaired by the manu facturer EB 8390 EN Technical data A Technical data 4 1 Electronic limit switch Min O to 30 O to 170 Communica Local communication in Sw Supply air Supply pressure Same as specifications of the Air quality According to ISO 8573 1 solenoid valve manufacturer Max particle size and density Class 4 Oil content Class 3 Moisture and water Class 3 Pressure dew point at least 10 K below the lowest ambient temperature to be expected Electric power supply Powered over contact A acc to DIN EN 60947 5 6 e g NAMUR isolating switch amplifier Permissible ambient temperature 25 to 80 C 40 to 80 C The limits specified in the The permissible operating temperature for use in safety examination certificate additionally instrumented systems is 20 to 70 C apply Metal cable glands must be used for ambient temperatures below 20 Influences Temperature 0 7 26 90 angle above the permissible temperature range Effect of vibration 0 25 up to 2500 Hz 0 25 up to 2500 Hz and 4 g according to IEC 770 Ag 0 25 up to 2500 Hz and 4 g according to IEC 770 to IEC 770 Electromagnetic compatibility Complying with EN 61000 6 2 EN 61000 6 3 EN 61326 1 and NAMUR Recommendation NE 21
56. he air with magnet 6 ducts of the actuator 5 Fasten the screw with magnet 6 onto 2 Fasten the mounting platform 2 on the the actuator shaft rotary actuator Version with integrated solenoid 6 Bend the two flaps on the plate 9 to valve screws 10a and 10b wards the width flats of the screw with Version for external solenoid valve magnet 6 screws 10a 7 Place the electronic limit switch on the mounting platform 2 as shown in Fig 11 and fasten it using the two screws mounted on the device 8 Electronic limit switch with integrated so lenoid valve connect supply air to supply air port SUPPLY 2 1 28 EB 8390 EN Attachment sJoJonJ2D uo pw 21uo4J29 e J9UsD Zl MaS 91 eoeid 5 SMOIDS Ol Alddns Alddns yl 8 Buyunow ejorpeuueju Jejdopy 21004 29 3 29 8390 Attachment 5 3 Accessories Table 3 Accessories 177 Attachment to linear actua Version with integrated solenoid valve G 4 1402 0540 tors NAMUR attachment Version with integrated solenoid valve Ya 1402 0541 Version for external solenoid valve 14 1402 0542 Version for extern
57. he target range by configuring P14 and P15 parameters PST target range PST step P14 PST tolerance band P15 It is important to take the process conditions e g pressure medium dead time breakaway torque and torque of the valve into account on defining the PST target range A valve that opens PTC and closes PTO too far may affect the process The electronic limit switch must be in the con figuration mode SET See page 40 P14 PST step end Default 90 0 P15 PST tolerance band Default 10 0 Turn gt P14 P15 Press P14 P15 blinks Turn gt PST step end PST tolerance band Press O to confirm the value and to exit the parameter 51 Operation 9 2 2 Starting the partial stroke test A single PST test can be started manually or a regular PST test can be started automati cally at defined time intervals Start PST automatically at defined intervals RUN mode The test is performed automatically after a time interval days entered in P16 Auto matic PST The automatic test causes the valve to leave its operating position without a switching demand Note The default setting OFF causes the automatic test to be deactivated P16 Start automatic PST Turn gt P16 Press P16 blinks Turn gt Required time period days Press to confirm the entry and to exit the parameter Start PST ma
58. ic limit switch with integrated so lenoid valve form a compact unit together with pneumatic actuator which is easy to mount The 3 2 way or 5 2 way function of the solenoid valve is selected by changing the position of a molded seal NC contact mA No response 2 1 Response Wire break Fig 4 NO and NC contacts Based on VDI VDE 3845 level 2 its version can be mounted onto Pfeiffer Type 31b Rota ry Actuators The need for additional pneu matic connections is eliminated Type 3738 20 xxx 1000xxxx00 Electronic Limit Switch for external solenoid valve The electronic limit switch for an external so lenoid valve allows switching capacities up to max 18 W at 24 V DC meaning common solenoid valves even the Ex e ver sions can be combined with the electronic limit switch This version is suitable for rotary actuators according to VDI VDE 3845 lev el 1 See Fig 4 Changes to the electronic limit switch s set tings do not effect the external solenoid valve contact Response No response Wire break 8390 3 2 Communication The electronic limit switch can be configured with SAMSON s TROVIS VIEW Configura tion and Operator Interface The electronic limit switch has for this pur pose a SAMSON SSP interface to allow the RS 232 or USB port of a computer to be connected to it over a serial interface adapt er cable The TROVIS VIEW software en ables the user to easily co
59. indicates that the target range has been reached during the partial stroke test or that a third limit has been reached see section 9 2 Contact St Fault alarm contact 55 Operation The electronic limit switch must be in the con figuration mode SET See page 40 Display when P6 NC P19 Reading before the test starts After the test has started P19 Simulation of contact A limit switch for fail safe position P19 Simulation of contact B limit switch for operating position P19 Simulation of wire break at contact B P19 Simulation of contact C signal on reaching target range during partial stroke test Buche P19 Simulation of fault L l 1 alarm contact Turn gt P19 TSTC Press P19 blinks Turn gt A B B_LB C St All contacts are activated 56 Press The contact selected is deactivated while the rotary pushbutton is pressed Turn gt ESC Press to exit the parameter setting Note When P6 NO the logic for con tacts A B and C is reversed B_LB on the display means the contact C is activated 9 4 You can de energize the solenoid valve while the voltage is still applied using the P20 pa rameter In this case the valve moves to the fail safe position Testing the solenoid valve Observe the assignment of contacts A and B depending on the direction of action page 83 The electroni
60. is displayed in the RUN operating mode The possible cause of the fault is indicated by the ERR parameter reading under EO to E10 If an error EO to exists all contacts A C and St respond for reasons of safety Error E9 device error 1 causes a wire break contact B to be additionally signaled to meet requirements of DIN EN 60947 5 6 Error E10 device error 2 causes the switch ing position to be displayed unchanged Example EO No initialization Refer to the parameter list section 13 1 and section 13 2 for possible causes and the recommended action 57 Maintenance calibration and work on equipment 9 5 3 Confirming status and error messages Note The status messages FO F1 F3 and F10 as well as the error message EO cannot be confirmed The electronic limit switch must be in the con figuration mode SET See page 40 Turn gt FO F10 STAT or 0 10 ERR Press FO F10 E1 E10 blinks Turn gt RST Press to confirm status error message 10 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 explosion protection Observe the maximum permissible values specified in the certificates f
61. mits ex ceeded Actuator transit time exceeded Mechanical blockage e Supply pressure too low External leakage Recommended action Check attachment and supply air line Incorrect voltage supplied to the solenoid valve e Supply pressure too low External leakage Recommended action Check switching voltage to integrated external solenoid valve Check supply air line The value entered in P26 for the maximum rotary motion has been exceeded Recommended action Deactivate function or enter higher value The temperature in the electronic limit switch is too low too high Recommended action Check the operating conditions The actuator transit time has exceeded the limit entered in P13 Recommended action Check attachment Enter a higher limit Note The status message is only generated when P13 OFF EB 8390 EN Parameter list Status message Possible causes Actuator stationary Mechanical blockage when required to e Supply pressure too low de External leakage Recommended action Check attachment and supply air line Note If the valve moves after a delay F5 remains active until the next successful switch ing demand Partial stroke test PST Min value for PST not Mechanical blockage reached e Friction too high Max value for PST Supply pressure too low exceeded Recommended action Check attachment and supply air line Check valve
62. nce as well as their knowledge of the applicable standards Explosion protected versions of this device are to be operated only by personnel who has undergone special training or instructions or who is authorized to work on explosion pro tected devices in hazardous areas Any hazards that could be caused by moving parts are to be prevented by taking appro priate precautions For use within hazardous areas the Special Conditions mentioned in the EC type exam ination certificate and its addenda must be observed lf inadmissible motions or forces are produced in the pneumatic actuator as a result of the supply pressure level it must be restricted using a suitable supply pressure reducing station To avoid damage to any equipment the following also applies Proper shipping and storage are assumed Do not ground electric welding equipment near to the electronic limit switch Note D The device with a CE marking fulfills the requirements of the Directive 2004 108 EC EB 8390 EN 7 Article code 2 Article code Electronic Limit Switch 3738 20 x x x 1 With LCD Explosion protection Without 000 ATEX Il 2G Ex ia Il 2D Ex T80 C IP66 110 ATEX 2G Ex eb ia T4 Il 2D Ex tb T80 C IP66 310 0 GOST 1Ex ia T6 T5 T4 Ga X Ex tb T80 C Db X 113 GOST 1Ex e ia TA Gb X Ex tb T80 C Db X 313 Solenoid valve External Int
63. nd position calibration in progress Turn O 5 P11 display REF Press O and hold for six seconds The sec onds remaining until the end position cali bration starts appear on the display The current valve position is set to the travel stop 0 or 100 72 The electronic limit switch is in the configura tion mode SET To start operation exit the configuration mode see page 40 The end position calibration is automatically canceled if an error occurs ERR on the dis play 48 The error can be read in the ERR parameter level E6 Time out E8 Unable to calibrate end positions 8 10 Reset to default settings This function resets all parameters to the fac tory default settings see parameter list in section 13 All error and status messages are also reset After performing reset the elec tronic limit switch needs to be re ini tialized see section 8 7 The electronic limit switch must be in the con figuration mode SET See page 40 P21 Reset Turn gt P21 RST Press P21 blinks Press The initialization values are reset to the de fault settings gt Re initialize the electronic limit switch see section 8 7 gt Set PST parameters see section 9 2 EB 8390 EN 9 Operation A WARNING O gt The actuator shaft stem moves while the electronic limit switch is operat ing Do not touch the actuator shaft
64. nfigure the elec tronic limit switch as well as view and docu ment process parameters on a computer See Table 3 for order numbers D Note er interface that allows users to con figure and parameterize various SAMSON devices using device spe cific database modules The Type 3738 20 device module can be downloaded free of charge from our website www samson de at Ser vices Software TROVIS VIEW Further information on TROVIS VIEW e g system requirements is avail able on our website and in the Data TROVIS VIEW provides a uniform us Sheet gt T 6661 3 3 Safety related information The Type 3738 20 Electronic Limit Switch was developed to meet the requirements stip ulated in IEC 61508 The safety related data are listed in the Manufacturer s Declaration HE 1163 The conformity of the development process and the performed FMEDA as well EB 8390 EN Design and principle of operation as the statements in the Manufacturer s Dec laration HE 1163 are certified by TUV Rheinland Industrie Service GmbH in the Certificate 968 EL 485 01 09 of 2009 1 1 09 3738 20 xxx1000xxxx00 combi nation with an external solenoid valve The forwarding of the switching voltage for the external solenoid valve by the 3738 20 1 000xxxx00 Electronic Limit Switch has the same quality as wiring and does not lead to a change in the safe ty related data of the circuit Safety relat
65. nst time while the solenoid valve is de energized and energized is shown 256 measuring points Firmware revisions Firmware Revisions 1 20 Changes to parameter readings on the display P3 Verify LCD segments TSTD reading see section 8 2 P9 Automatic initialization INIA reading see section 8 7 P10 Manual initialization INIM reading see section 8 7 P11 End position calibration REF reading see section 8 9 P17 Start manual PST PST reading see section 9 2 P19 Testing contacts TSTC reading see section 9 3 P20 Testing solenoid valve TSTS reading see section 9 4 P21 Reset RST reading see section 8 10 New status message F15 This status message is generated when the configuration mode SET is activated Changes to the partial stroke test PST see section 9 2 A canceled partial stroke test PST is logged with a time stamp in TROVIS VIEW 6 EB 8390 EN Important safety instructions 1 Important safety instructions For your own safety follow these instructions concerning the mounting start up and opera tion of the electronic limit switch The device is to be mounted started up or operated only by trained and experienced personnel familiar with the product According to these mounting and operating instruc tions trained personnel is referred to as individuals who are able to judge the work they are assigned to and recognize possible dangers due to their specialized training their knowledge and experie
66. nually SET or RUN configura tion mode A single test is started by the P17 parameter 52 P17 Reading before the partial stroke test starts After the partial stroke test starts P17 Start of PST is be ing prepared P17 Test in progress Turn gt P17 PST Press and hold for six seconds The seconds remaining until the test starts appear on the display The test starts display blinking PST D Note A test in progress can be canceled by pressing the rotary pushbutton ESC appears on the display A canceled partial stroke test PST is logged with a time stamp in TROVIS VIEW EB 8390 EN 9 2 3 Example direction of action The valve is normally open operating posi tion 100 In the event of emergency the valve is to close fail safe position 0 The actuator s direction of action is therefore PTO power to open configured in the P5 parameter The upper end position P8 is set at 98 75 This value is the same as the default setting Contact B is activated when the valve moves beyond this value To prevent the valve seizing in the open posi tion a partial stroke test is to be performed on a weekly basis During the partial stroke test the valve is moved from the operating position towards the fail safe position to a step end of 90 by briefly de energizing the solenoid valve During the test the valve must not move beyond a positi
67. on The end stops have shifted by 10 at the minimum Recommended action e Re initialize the electronic limit switch e Internal error Recommended action Restart the electronic limit switch return it SAMSON if er ror repeatedly occurs Note When E is generated the wire break contact B LB is additionally signaled in accordance with DIN EN 60947 5 6 Device error 2 68 e Internal error Recommended action The electronic limit switch should be replaced soon The de vice still functions EB 8390 EN Dimensions in mm 14 Dimensions in mm EB 8390 EN 69 Dimensions in mm 14 1 Fixing levels according to VDI VDE 3845 September 2010 777777777 Fixing level 2 bracket surface al Fixing level 1 actuator surface mE Actuator Dimensions in mm Size A B C Sd Min AAO 50 25 15 55forM5 66 AAT 80 30 20 55forM5 96 AA2 80 30 30 55forM5 96 50 ess Flange type F05 according to DIN EN ISO 5211 70 EB 8390 EN Auem TMYISUNBAG 91188 001 2 e amp sopung aqosiumqoo uosiexis amp uq SIOMYISUNBAG 9118 00 3jejsuesopung ayas uy a uosi exis amp uq Ejsuesapung IPSUN L yas yeyis yg Aq SAIH Ejsuesapung IPSUN yosyeyis yg Aq suoneogipou SAIH
68. on P9 P23 Info actuator transit time Time s required by the actuator to move to the when solenoid valve is ener operating position dead time transit time gized Values determined during automatic initializa tion P9 P24 Info temperature Current operating temperature C inside the electronic limit switch Keep pressed down reading in F P25 Info operating hours Number of operating hours Rotary motion P26 Max rotary motions Status message F2 is generated when the OFF 100 to 9 9E7 ESC number of rotary motions has been reached 1 0E4 Note The monitoring of the rotary motions is deactivated by P26 OFF P27 Reset rotary motion counter The unopened parameter indicates the number BST ESC of rotary motions from one end position to the other To reset the counter open the parameter select RST and confirm Firmware version P28 Info firmware version Current firmware version EB 8390 EN 63 Parameter list 13 1 Status messages Status message Possible causes Status messages marked with an asterisk can be confirmed SET configuration mode See sec tion 9 5 1 TROVIS VIEW Current status messages are saved with a time stamp in Diagnostics Status mes 64 sages Stationary outside re quired desired end positions Left end position with out being required to move Limit of maximum ro tary motion P26 ex ceeded Temperature li
69. on of 85 95 and a status message is activated for moni toring purposes if the PST target range is not reached or exceeded The following settings are made to the initial ized electronic limit switch in the example while taking the process conditions into con sideration 1 Select configuration mode SET P2 The parameters required to configure the partial stroke test can only be set in the SET configuration mode P2 SET EB 8390 EN 2 Operation Define PST target range P14 P15 The PST target range is made up of the PST step P14 and the PST toler ance band P15 The test has been suc cessfully completed when the valve reached the position of the step end half the step tolerance band but not moved beyond it P14 PST step end 90 P15 PST tolerance band 10 PST target range 90 5 85 to 95 76 Activate the monitoring of the PST tar get range P12 The monitoring of the target range as well as the status readout F Min value for PST not reached and F7 Max value for PST exceeded are activated by the P12 parameter YES When the status message F6 or F7 is generated check the attachment supply air lines and the valve The setting for the target range might need to be adapted in the P14 and P15 parameters See Define PST target range P14 P15 in point 2 Start automatic PST P16 P16 7 days The test starts automatically once a week switching to
70. on the type of actuator single acting or double act ing Preparations Single acting Attachment us Slide the O ring 3 1 onto the air duct of the molded seal 3 3 Fasten the electronic limit switch 1 to the support element 2 using the two screws mounted on the electronic limit switch as shown in Fig 5 4 Remove the blanking plug on the supply air port SUPPLY 2 1 of the support ele ment 2 Version with external solenoid valve Type 3738 20 xxx1000xxx00 Fasten the electronic limit switch 1 to the support element 2 using the two screws mounted on the electronic limit switch as shown in Fig 5 Double acting 5 2 way Electronic limit switch Support element Supply air port Molded seal O ring 3 2 wa Output signal pressure Opposing signal pressure Fig 5 Preparations for mounting the electronic limit switch with integrated solenoid valve EB 8390 EN 21 Attachment 5 1 2 Attachment Use the lever 5 underneath the support ele ment 2 and the pin 6 on the lever to adapt the electronic limit switch to the linear actuator Recommended ever dus pin position Table 2 Travel table Rated travel mm Actuator size cm Mo 60 t 2800 60 UX 100 200 The electronic limit switch is equipped with the lever M pin position 35 as standard Levers L and XL are included in the mounting parts 1402 0544 or 1402 0545 1 Select lev
71. or intrinsically safe circuits 58 10 1 Maintenance The electronic limit switch does not require any maintenance when used for its intended purpose DANGER Risk of electrostatic charging Due to the high surface resistance of the enclosure cover gt 10 Q installation and maintenance on the equipment must be performed in such a way as to prevent electrostatic charging Version with integrated solenoid valve Type 3738 20 xxx1400xxx000 There are filters with a 100 pm mesh size in the pneumatic connections for supply and output which can be removed and cleaned if required The maintenance instructions of any up stream supply air pressure reducing stations must be observed 11 Servicing explosion protect ed 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 EB 8390 EN Inspection by a qualified inspector is not re quired if the manufacturer performs a rou tine test on the device before putting it back into operation Document the passing of the routine test by attaching a mark of conformi ty to the device Replace explosion protected components on ly with original routine tested components from the manufacturer Devices that have
72. r Ci Ci Designation Position Cd umm qu LF Enable configuration Contact A responded fail safe position Fig 14 Readings 36 LIAI 7 2 SAMSON SSP interface The SAMSON SSP interface is located un derneath the housing cover The local SAMSON SSP interface of the elec tronic limit switch needs to be connected over a serial interface adapter cable see Ta ble 3 on page 30 to the RS 232 or USB port of the computer before the TRO VIS VIEW software can be used Parameter Error message Status message Ci N ES 2 59 l c QE CES a Operation locked Contact B responded operating position EB 8390 EN 7 3 Operating structure The P2 parameter allows the user to switch between the RUN operating mode and SET configuration mode In the SET configuration mode the parameters marked with an aster isk see section 13 can be changed and the device can be initialized To switch over modes the key number must be entered first The key number can be found on page 81 To avoid unauthorized use of the key number remove the page or make the key number unreadable To meet the device design requirements to conform with SIL the SET configuration mode is indicated by the fault alarm contact St responding after the device has been ini tialized successfully In the display the SET configuration mode is additionally indicated by the 2 icon If the device h
73. range of end positions Note The following correlations apply to the setting ranges of the switching ranges for lower end position P7 and the upper end position P8 P7 0 5 to P8 2 0 P8 P7 2 0 to 99 5 75 44 Observe the assignment of contacts A and B depending on the direction of action 83 P7 Switching contact lower end position Default 2 0 Example Fail safe position for PTO di rection of action P8 Switching contact upper end position Default 98 0 Example Operating position for PTO di rection of action Turn gt P7 P8 Press P7 P8 blinks Turn gt Required switching value Press to confirm the switching value and to exit the parameter 8 7 Initialization WARNING The initialization must only be started when the switching volt age is connected and the actuator is in the operating position Check the control valve s per missible signal pressure before starting initialization The actuator is moved through its entire travel range during initializa tion Therefore do not start initial ization while a process is running but only during start up when all shut off valves are closed EB 8390 EN After the electronic limit switch has been mounted onto another actuator or its mounting location has been changed and before re initializing the electronic limit switch needs to be
74. s partial stroke test is then reevaluated The evaluation of the performed test pro vides the following data PST pulse length PST dead time PST transit time SV de energized PST hold time PBST transit time SV energized PST travel PST status Check the voltage supply and solenoid valve wiring when the status message F8 No switching voltage during PST is generated EB 8390 EN Operation Check the attachment and supply air line when the status message F9 Timeout during PST is generated The last 10 evaluations are saved in a non volatile memory in the electronic limit switch and can be read in the TRO VIS VIEW software The solenoid valve is briefly de ener gized by pulses issued by the electronic limit switch to close the valve In this example the valve does not reach the PST target range during the first partial stroke test and moves beyond it The test was not successfully completed In the second tomatic test the valve initially does not reach the PST target range The next step though ends in the PST target range meaning the test has been successfully completed 9 3 Testing the contacts The following contacts can be tested in the P19 parameter Contact A limit switch for fail safe posi tion Contact B limit switch for operating po sition and simulation of wire break B_LB parameter is displayed to meet require ments of DIN EN 60947 5 6 Contact C
75. s Design Selection and Erection 32 The maximum permissible values specified in the EC type examination certificate apply when connecting the intrinsically safe circuits Adhere to the terminal assignment specified in the certificate Switching the assignment of the electrical termi nals may cause the explosion protec tion to become ineffective Electronic limit switch with intrinsi cally safe external solenoid valve The operating voltage and external solenoid valve are connected accord ing to EN 60079 11 type of protec tion Ex 1 terminals color blue or black Electronic limit switch with non in trinsically safe external solenoid valve The operating voltage and external solenoid valve are connected accord ing to EN 60079 7 type of protec tion Ex e The following applies to external con nection terminals color blue Exe terminals color black Cable entry Ex e cable entry black Ex i cable entry blue The cable entries of the electronic limit switch with external non intrinsi cally safe solenoid valve must be cer tified according to type of protection Ex e according to ATEX The degree of protection IP grade of the cable entries and the blank EB 8390 EN Connections The following function and terminal labeling apply to the contacts A and B ing plug must be the same as that of the limit switch Do not loosen enameled screws in or on the housin
76. sapung IPSI uosmpexrs amp uq uvu jo uon esu uvu jo uon esu 71 EB 8390 EN SLAMYISUNBAG 9118 001 2 esopung 3 ejsuesopung lt Ejsuesapung T yosyeyissyg Aq suoneogipou SAXA 5 oq SIYIFI Id VIS LOU 911380818 5938940499 244 JA Sed JO quc pews Afg s psou 9 8 4 N JO sil 4 8C SONTBA XEJAT juo ages eorsurQul pOg 0 uorjoosuuoo 104 8 79 19 Seur el 1 jo adAy DEDE proue os VOLLBELE Ju D yews 4418820 Vu 9 8 1 Ct JO sil 4 85 N SONJBA XB A UO ayes A VOISULUL pon 28 18 speuruuoj Xd uonoojoud Jo odA piouojos FOLLSELE TORIJA 4 SI 9 pews 1918189 0 d 09 1 0c N Son EA KEW Kquo juam JLS A BOISULUL poyn 0 uorjosuuoo 104 p8 R 5 1 xJ uorj ejoud jo
77. sec tion 8 7 1 P10 Manual initialization INIM Initialization after manual confirmation of fail See sec safe position POS1 and operating position tion 8 7 2 POS2 P11 End position calibration REF A calibration at the current position is per See sec formed tion 8 9 Status readout P12 Issue status PST target range Issue status message F6 F7 if the valve moves to See sec YES NO ESC a position outside the PST target range PST tion 9 2 step PST tolerance P13 Status indication actuator Issue status message F4 when the control valve See sec transit fime exceeded the adjusted actuator transit time tion 9 5 1 OFF 0 5 to 1800 0 s ESC EB 8390 EN 61 Parameter list No Parameter Readings values default setting Description Partial stroke test PST The PST step range is limited between 2 and 98 PST step PST tolerance P14 PST step end Step end position that the valve is to be moved See sec 4 0 to 960 ESC to during the PST tion 9 2 90 0 IF the partial stroke test is not used a third switching position can be indicated by contact P15 PST tolerance band Tolerance added to the PST step end position See sec 4 0 to 96 0 ESC The partial stroke test has been completed suc tion 7 2 10 0 cessfully wh
78. soA EA Aj Eorsurgutr UOU PUB 5158105 N Yes uonooeuuoo JO pasn 51 0 7 8ce 991 OLE BELE SAAL Aq popuedxo 1 jur oniooo 3 701LI 7 8 2 ou suonronrpour 00911559 AUBULIOL 3unppue14 FLEOI A nsrepnuisto M 5591 yluyooyasoy ssej4 DY NOSIAVS 1494n 2gJnue A Do 081 99 dI ITV 10 PL etr DC II 3 Sunprep YOUMS PWT 9100429 A OLE BELE OA uawd nbq X 6 07 80 uoneurwexy odAT 9 Xouuy 6 6 0 1 upg pun Sr2Auosunt rgq yje jsuesspung uosi exisAuq euso jo uonejsue p EB 8390 EN 74 3ep z PPv 7534 91186 001 JeIsugsapung dyssyuydIa YosyexisAy A gesuesepung 245514021 uosipexms Aug Aq poaosdde aq 10 129 8 saeara JA 5141 pipeAur eos JOU a myeud s moia 53421285 dA 30 2 9884 9 5 L 609 OX UH A 8 ssonjea Suneiodg vu xq 101221044 Jo ad ui 10 419181390 T gu 6 9 09 1 2G A 0c WUT Jad sonpea z9 1
79. the terminals V3 81 82 3738 20 xxx 1 400xxx000 Only connect one pair of 81 82 terminals Do not connect the switching volt age to the contacts A St Other wise the device will be damaged 33 Connections 24 V DC Optionally Optionally 3 Connection according to DIN EN 60947 5 6 Connection of integrated solenoid valve Connection of electronic limit switch optionally V1 or V3 A B C St s 2M wi Display Rotary pushbutton LED for solenoid valve vi E gt TED 302 lt SSP interface Fig 12 Electrical connection Version for internal solenoid valve 3738 20 xxx 1 400xxx000 34 EB 8390 EN Connections Acc to manufacturer s specifications Connection of external solenoid valve V1 V2 Connecliomal electronic limit switch A B C St St V2 C Display Rotary pushbutton LED for solenoid valve B V1 A SAMSON SSP interface Fig 13 Electrical connection Version for external solenoid valve Type 3738 20 xxx 1000xxxx00 EB 8390 EN 35 Operating controls and readings 7 Operating controls and read ings 7 1 The rotary pushbutton is located under neath the housing cover Rotary pushbutton The electronic limit switch is operated on site using the rotary pushbutton Turn Press Select parameters and values Confirm setting exit paramete
80. tions for mounting the electronic limit switch with integrated solenoid valve EB 8390 EN 27 Attachment 1 Attachment to rotary actuators with 20 or 30 mm shaft height Place the spacers 11 on the inner holes of the actuator Note concerning electronic limit D switches with integrated solenoid valve Fasten the mounting platform 2 making sure that the air ducts located on the rotary actuator and the mounting platform are properly Attachment to rotary actuators with 50 mm shaft height Place the distance pieces 5 on the rota ry actuator aligned Attachment to rotary actuators with 80 mm shaft height 3 Attachment to rotary actuators with a Screw pins 16 into the actuator 20 mm shaft height b Fasten adapter 14 with anti rotation Place the adapter 7 and indicator fixture 25 in the groove of the actu wheel 8 one after the other onto the ac ator shaft tuator shaft c Bend the flap on the anti rotation fix Attachment to rotary actuators with 30 ture 15 upward 50 or 80 mm shaft height d Fasten intermediate plate 13 to the Place the indicator wheel 8 onto the ac pins 16 using the screws 12 tuator shaft Note concerning electronic limit 4 Insert plate 9 into indicator wheel 8 switches with integrated solenoid ES valve Place the distance piece including in Do not exceed the maximum torque of 8 Nm when fastening the screw serted molded seal 4 over t
81. to close PTO power to open Press O to confirm direction of action and to exit the parameter Note After initialization this parameter is locked and can first be selected and changed after performing a reset to default settings P21 8 5 Determining the switching function of contacts The setting is made using P parameter Note The on site operation allows the contacts A B and C to be defined together as NO or NC contacts The contacts can be configured separately in TROVIS VIEW P6 Switching function of contacts INL Default NC i Turn gt P6 Press O P6 blinks Turn gt NO NC Press to confirm switching function and to exit the parameter 43 Start up 8 6 Adjusting the limit switches A limit signal is issued by the limit switches for fail safe position contact A and for op erating position contact B The contacts A and B can be adjusted within the range The switching response of the contacts can be adjusted within the actuator s travel range The switching responses of the contacts are set in the P7 lower end position and P8 upper end position parameters Direction of action PTO Direction of action Fail safe position 0 Fail safe position 100 Operating position 100 Operating position 0 x x 100 100 Contact B P8 Contact A Contact A P7 Contact B 0 0 Switching range Fig 15 Switching
82. ts display INIT The valve moves twice from the operating position to the fail safe position and back again to the operating position It measures the travel be tween the end stops as well as the dead time and transit times for opening and closing the valve 45 Start up After the initialization has been successfully completed the current valve position in is indicated The electronic limit switch is in the configura tion mode SET To start operation exit the configuration mode see page 40 The automatic initialization is automatically canceled if a fault occurs ERR on the dis play The initialization error can be read in the ERR parameter level No initialization ET Actuator does not move E2 Min travel not reached E3 Max travel exceeded Actuator travels too fast E5 No switching voltage applied Time out 8 7 2 Start manual initializa tion Note Select ESC on the display and press the rotary pushbutton fo cancel the manual initialization Data saved in the electronic limit switch before the initialization can be restored by pressing the rotary pushbutton O again If the electronic limit switch was ini tialized manually the partial stroke lest cannot be started see sec tion 9 2 46 P10 Display reading when initialization has not been started After initialization has started P10 Initialization is being prepar
83. tuators 24 PGS ICONS NINE RT 26 A TT PIN RIT Tm 26 ICCC SSO NOS du 30 COMMECHIONS m n 31 Pneumatic COMMOCHONS near TO T CT 31 Supply pressure nenne ee 32 Fecir coal comnie oeste 32 Operating controls and readingS scssccssscsssscsesccsssscssssesseccssescssssessecees 36 Bus 36 SAMSON SSP infer tee Vota 36 Operating structure zn eier T T 37 le di e 41 Adapting the display direction 41 Verifying readings on display 42 Determining the 43 Determining the direction of action sse 43 Determining the switching function of 43 EB 8390 EN 3 Contents 8 6 8 7 8 7 1 8 7 2 8 8 8 9 8 10 9 1 9 2 9 2 9 2 2 9 2 9 8 9 4 75 9 5 1 232 9 5 9 10 10 1 11 12 13 13 1 13 2 14 14 1 Adjusting the limit switches eicere enn 44 44 Sari aulomalie ini 45 Slam meh ZEON anne 46 Replacing an electronic limit switch sse 47 Zer end position calibration nenne 48 Resol 48 49 49 Partial siroke test PST M nq 49 Defining the PST target nennen 51 Starting the partial
84. uids The user is responsible for ensuring that the device is used as intended Useful lifetime According to IEC 61508 2 section 7 4 9 5 a useful lifetime of eight to twelve years can be assumed Other values can be used based on the user s previous experience or use proven in use Notes concerning diagnostics Diagnostics are performed cyclically in side the device Critical errors device er ror E9 are indicated by contact B as wire breakage according to DIN EN 60947 5 6 Existing errors must be remedied as described in these Mounting and Operating Instructions If this is not possible the electronic limit switch must not be used in safety loops 14 The proper functioning of the display can be verified over P3 parameter see sec tion 8 2 The correct setting of all parameters must be verified before every start up Proof testing All switching contacts need to be activated for the proof test This can be done by Using the mounted actuator to move the valve to the end position Simulating the outputs using P19 param eter see section 9 4 During the proof test check that the outputs switch properly Intended use The specifications and information in the da ta sheet and in these instructions must be ob served Note concerning diagnosis of connected so lenoid valve and actuator The diagnostics functions performed in the device e g actuator transit time monitorin
85. unction of contacts NO or NC contact See section 8 5 Error messages renumbered due to error messages being removed Removed error messages PST target range not reached PST target range exceeded The new parameter Actuator type as well as the Actuator s direction of action pa rameter are locked after the electronic limit switch has been initialized See sec tions 8 3 and 8 4 The actuator transit time monitoring F4 depends on the value adjusted in Status readout for actuator transit time P13 This is adjustable between 0 OFF and 1800 s The dead time is already included in the information parameters Actuator transit time when the solenoid valve is de energized and Actuator transit time when the solenoid valve is energized The monitoring of the rotary motion counter can be deactivated by configuring Maxi mum rotary motions P26 OFF The minimum pulse length at contact C is three seconds during partial stroke testing The PST target range is made up of PST step end P14 1 2 PST tolerance P15 Once a partial stroke test has been completed the assessment of the transit times when the solenoid valve is de energized and energized PST transit time when the solenoid valve is de energized and PST transit time when the solenoid valve is energized Only the duration of the entire test is shown in version 1 01 In the TROVIS VIEW software a diagram plotting the valve position agai

Mounting and Operating Instructions EB 8390 EN

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