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EB 8390 EN

Article code

SSP

interface

Signal for solenoid

valve: V1

Power

Supply

Electronic limit switch

Actuator

1 AMR sensor with electronics

2 A/D converter

3 Microcontroller

4 Galvanic isolation

5 Galvanic isolation

6 Actuation of solenoid valve

7 Solenoid valve

9 Display

10 Rotary pushbutton (local operation)

11 LED for solenoid valve

12 Internal supply

13 NAMUR contact A (limit switch for fail-safe position)

14 NAMUR contact B (limit switch for operating position)

15 NAMUR contact C (signal on reaching target range during

partial stroke test)

16 NAMUR contact St (fault alarm contact)

Fig. 3:

Schematic diagram – Type 3738-20-xxx1

00xxxx00 Electronic Limit Switch with external

solenoid valve

Содержание 3738-20

Страница 1: ...Mounting and Operating Instructions EB 8390 EN Firmware version 1 20 Edition June 2015 Type 3738 20 Electronic Limit Switch with optional integrated solenoid valve for on off valves...

Страница 2: ...h if not avoided will result in death or seri ous injury WARNING Hazardous situations which if not avoided could result in death or seri ous injury NOTICE Property damage message or mal function Note...

Страница 3: ...ent 22 5 2 Attachment to rotary actuators 24 5 2 1 Preparations 26 5 2 2 Attachment 26 5 3 Accessories 30 6 Connections 31 6 1 Pneumatic connections 31 6 2 Supply pressure 32 6 3 Electrical connection...

Страница 4: ...the partial stroke test 52 9 2 3 Example PTO direction of action 53 9 3 Testing the contacts 55 9 4 Testing the solenoid valve 56 9 5 Faults 57 9 5 1 Status messages 57 9 5 2 Error messages 57 9 5 3 C...

Страница 5: ...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 ener...

Страница 6: ...sition 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...

Страница 7: ...vice 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 c...

Страница 8: ...Ex eb ia IIC T4 II 2D Ex tb IIIC T80 C IP66 3 1 0 0 GOST 1Ex ia IIC T6 T5 T4 Ga X Ex tb IIIC T80 C Db X 1 1 3 GOST 1Ex e ia IIC T4 Gb X Ex tb IIIC T80 C Db X 3 1 3 Solenoid valve External 0 Integrated...

Страница 9: ...t contact using a magnet on a screw positioned centrically on the actuator shaft The screw with magnet does not need to be adjusted The AMR anisotropic magnetoresistive sensor located in the device to...

Страница 10: ...n of solenoid valve 7 Solenoid valve 8 Air capacity booster 9 Display 10 Rotary pushbutton local operation 11 LED for solenoid valve 12 Internal supply 13 NAMUR contact A limit switch for fail safe po...

Страница 11: ...6 Actuation of solenoid valve 7 Solenoid valve 9 Display 10 Rotary pushbutton local operation 11 LED for solenoid valve 12 Internal supply 13 NAMUR contact A limit switch for fail safe position 14 NAM...

Страница 12: ...evel 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 xxx1000xxxx00 Electronic Limit Switch for external...

Страница 13: ...FMEDA as well as the statements in the Manufacturer s Dec laration HE 1163 are certified by T V Rheinland Industrie Service GmbH in the Certificate 968 EL 485 01 09 of 2009 11 09 Type 3738 20 xxx1000...

Страница 14: ...kage 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 sa...

Страница 15: ...mbient 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 The limits specified in the...

Страница 16: ...n NC contact NO contact Switching contacts No response no fault 2 2 mA 1 0 mA Response fault indication 1 0 mA 2 2 mA Hysteresis 1 Contacts Contact A Limit switch for fail safe position solenoid valve...

Страница 17: ...responds when the valve moves through the switching contact towards the operating position P14 PTC power to close responds when the valve moves through the switching contact towards the fail safe pos...

Страница 18: ...80 C Db X Date 2013 11 15 Valid un til 2018 11 14 310 EC type examination certificate No PTB 08 ATEX 2039 X II 2G Ex eb ia IIC T4 II 2D Ex tb IIIC T80 C IP66 Date 2012 02 02 313 No RU C DE 08 B 00114...

Страница 19: ...e range operation 25 to 80 C Switching voltage Nominal voltage 24 V DC reverse polarity protection galvanic isolation Signal 0 When the voltage falls below 15 V DC Signal 1 Min 18 V DC Switching capac...

Страница 20: ...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 actua...

Страница 21: ...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 me...

Страница 22: ...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 Mounting to Type 3271 Actuators with 1400 and 2800 cm actuator area...

Страница 23: ...er 5 1 Disk spring 5 2 Nut 6 Follower pin 6 1 Washer 6 2 Nut 7 1 Follower plate 7 2 Washer 7 3 Screws 7 4 Follower plate 7 5 Screws 8 Bracket 8 1 Pin 8 2 Screws 9 Stem connector 7 3 7 2 8 1 7 1 8 8 2...

Страница 24: ...ors 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 R...

Страница 25: ...20 xxx1400xxx000 Version for external solenoid valve Type 3738 20 xxx1000xxxx00 Actuator surface A C M 6 B 30 5 5 Actuator surface Shaft height B mm 20 30 50 Distance between holes A mm 80 80 130 130...

Страница 26: ...molded seal 4 onto the air ducts underneath the mounting platform 2 4 For attachment to rotary actuators with 50 mm shaft height press the second molded seal 4 onto the air ducts under neath one of t...

Страница 27: ...ary actuators with 50 mm shaft height Single acting 3 2 way Double acting 5 2 way 1 Electronic limit switch 2 Mounting platform 3 Molded seal 3 1 O ring 4 Molded seal 5 Distance piece Fig 10 Preparati...

Страница 28: ...ion for external solenoid valve screws 10a Note concerning electronic limit switches with integrated solenoid valve Fasten the mounting platform 2 making sure that the air ducts located on the rotary...

Страница 29: ...unting the electronic limit switch on rotary actuators 1 Electronic limit switch 7 Adapter 13 Intermediate plate 2 Mounting platform 8 Indicator wheel 14 Adapter 2 1 Supply air port SUPPLY 10 Filliste...

Страница 30: ...pecial version 50 mm shaft height 88 mm shaft diameter e g AIR TORQUE Type SC 3000 and Pfeiffer Type 31b 2000 to 5000 size Size AA5 80 mm shaft height 1400 9859 1400 9860 1400 9861 1402 0332 1402 0586...

Страница 31: ...r connection are designed as threaded holes with G or NPT thread depending on the device version Protect the exhaust air con nections or venting by installing a filter or taking other appropriate prec...

Страница 32: ...nd Erection 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 cer...

Страница 33: ...wo 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...

Страница 34: ...42 52 51 A Optionally V1 or V3 Optionally V1 or V3 Connection of electronic limit switch A B C St Connection of integrated solenoid valve optionally V1 or V3 Display LED for solenoid valve Rotary push...

Страница 35: ...W Acc to manufacturer s specifications _ _ 82 81 V1 V2 Connection of electronic limit switch A B C St Connection of external solenoid valve V1 V2 Display LED for solenoid valve Rotary pushbutton SAMSO...

Страница 36: ...ON 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...

Страница 37: ...he 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 E0 to E8 have priority o...

Страница 38: ...sition Fail safe position F0 to F15 status messages or E10 error message Operating position F0 to F15 status messages or E10 error message E0 to E8 error messages F10 status message U Error E9 serious...

Страница 39: ...switch initialized P1 Reading direction 1234 Change to RUN mode P4 Actuator type ROT Enter key number If the wrong key number is entered the mode does not change P5 Actuator s direction of action PTO...

Страница 40: ...r key number If the wrong key number is entered the mode does not change Enter key number If the wrong key number is entered the mode does not change Change to SET configuration mode no operation sett...

Страница 41: ...h has not yet been initialized The electronic limit switch is not in ser vice Parameter settings can be changed P2 SET See page 40 Note The current angle of rotation is set to 0 by pressing the rotary...

Страница 42: ...he test has been started P3 Display reading 1 P3 Display reading 2 P3 Display reading 3 P3 Display reading 4 P3 Display reading 5 P3 Display reading 6 P3 Display reading 7 P3 Display reading 8 P3 Disp...

Страница 43: ...ion page 83 The setting is made using P5 parameter P5 Direction of action Default PTO Turn g P5 Press P5 blinks Turn g PTC power to close PTO power to open Press to confirm direction of action and to...

Страница 44: ...es 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 Observe the assignment of contacts A and B depending on the direction of action page 83 P7 Switching conta...

Страница 45: ...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...

Страница 46: ...out 8 7 2 Start manual initializa tion Note Select ESC on the display and press the rotary pushbutton to cancel the manual initialization Data saved in the electronic limit switch before the initiali...

Страница 47: ...The initialization error can be read in the ERR parameter level E0 No initialization E2 Min travel not reached E3 Max travel exceeded E6 Time out 8 8 Replacing an electronic limit switch An old elect...

Страница 48: ...op 0 or 100 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...

Страница 49: ...g position 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 b...

Страница 50: ...PTO Contact B Contact B Contact B Contact B Contact C P8 t s x Contact C P14 Direction of action PTC Contact B Contact B Contact B Contact B Contact C P7 PST start PST start P15 PST start PST start P...

Страница 51: ...P15 parameters PST target range PST step end P14 PST tolerance band P15 NOTICE It is important to take the process conditions e g pressure medium dead time breakaway torque and torque of the valve in...

Страница 52: ...P16 Start automatic PST Turn g P16 Press P16 blinks Turn g Required time period days Press to confirm the entry and to exit the parameter Start PST manually SET or RUN configura tion mode A single tes...

Страница 53: ...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 2 Define...

Страница 54: ...tact A Contact B Contact C Contact St End Start End P14 P15 85 P15 90 PST 2 successful PST 1 not successful The contact C remains activated three seconds after the valve moves out again of the PST tar...

Страница 55: ...e wiring when the status message F8 No switching voltage during PST is generated Check the attachment and supply air line when the status message F9 Timeout during PST is generated The last 10 evaluat...

Страница 56: ...ated Press The contact selected is deactivated while the rotary pushbutton is pressed Turn g ESC Press to exit the parameter setting Note When P6 NO the logic for con tacts A B and C is reversed B_LB...

Страница 57: ...hen a fault occurs and when P12 YES The F10 status message indicates that one of the error messages E0 to E10 has been generated Example F2 Limit of maximum rotary motion P26 exceeded Refer to the par...

Страница 58: ...cally safe circuits 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 resis...

Страница 59: ...s 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 Q...

Страница 60: ...can be changed icons F15 status message generated See page 40 P3 Verify LCD segments TSTD 0000 to 9999 Read only See sec tion 8 2 P4 Actuator type ROT LIN ESC ROT Rotary actuator LIN Linear actuator S...

Страница 61: ...0 to 99 5 ESC 98 0 The following applies PTO g Switching contact for operating position PTC g Switching contact for fail safe position See sec tion 8 6 Note Observe the assignment depending on the di...

Страница 62: ...get range PST step end PST tolerance band by one pulse but not exceeded it See sec tion 9 2 P16 Start automatic PST OFF 1 to 999 days ESC Interval between automatic partial stroke tests See sec tion 9...

Страница 63: ...to the operating position dead time transit time Values determined during automatic initializa tion P9 P24 Info temperature Current operating temperature C inside the electronic limit switch Keep pre...

Страница 64: ...age supplied to the solenoid valve Supply pressure too low External leakage Recommended action Check switching voltage to integrated external solenoid valve Check supply air line F2 Limit of maximum r...

Страница 65: ...ment and supply air line Check valve Note The status messages are only generated when P12 YES F8 No switching voltage during PST Incorrect voltage supplied to the solenoid valve Breakage of wire to ex...

Страница 66: ...66 EB 8390 EN Parameter list No Status message Possible causes F15 Configuration mode SET activated See page 41...

Страница 67: ...upply 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...

Страница 68: ...e Use a different solenoid valve with a higher KV coefficient E7 Function canceled Internal error Recommended action Repeat function initialization E8 Unable to calibrate end positions The end stops h...

Страница 69: ...EB 8390 EN 69 Dimensions in mm 14 Dimensions in mm 231 20 17 97 130 185 84 42 10 30 40...

Страница 70: ...bracket surface Fixing level 1 actuator surface Actuator Dimensions in mm Size A B C d Mmin D AA0 50 25 15 5 5 for M5 66 50 AA1 80 30 20 5 5 for M5 96 50 AA2 80 30 30 5 5 for M5 96 50 AA3 130 30 30 5...

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Страница 78: ...update 59 I Initialization Automatic 45 Manual 46 L Limit contacts 44 M Maintenance 58 O Operating elements 36 Operating structure 37 Operation 49 Lock 49 P Parameter list 60 Partial stroke test PST 4...

Страница 79: ...essages 57 64 Supply 32 Supply pressure 32 Switching function of contacts 43 T Technical data Electronic limit switch 15 Solenoid valve 19 Testing contacts 55 Testing solenoid valve 56 W Wire break 55...

Страница 80: ...80 EB 8390 EN...

Страница 81: ...Key number 42...

Страница 82: ...24 Info temperature P25 Info operating hours P26 Max rotary motions P27 Reset rotary motion counter P28 Info firmware version Status messages F0 Stationary outside required desired end posi tions F1 L...

Страница 83: ...nd position Contact A 41 42 Fail safe position 0 Valve CLOSED P7 0 5 to 96 0 2 0 Contact B 51 52 Operating position 100 Valve OPEN P8 4 0 to 99 5 98 0 PTC power to close Position Switching contact for...

Страница 84: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 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...

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