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2018-10-10 · Engl

ish

SAMSON AKTIENGESELLSCHAFT
Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany
Phone: +49 69 4009-0 · Fax: +49 69 4009-1507
[email protected] · www.samson.de

EB 8395 EN

Содержание 3724

Страница 1: ...Translation of original instructions EB 8395 EN Firmware version 1 01 Edition October 2018 Type 3724 Electropneumatic Positioner Type 3724 Positioner cover removed...

Страница 2: ...fter sales Service Department aftersalesservice samson de The mounting and operating instructions for the devices are included in the scope of delivery The latest documentation is available on our web...

Страница 3: ...ions 16 5 1 1 Supply pressure 16 5 2 Electrical connections 18 5 2 1 Accessories 18 5 2 2 Selecting cables and wires 19 5 2 3 Cable entry 19 6 Operation 20 6 1 Operating controls 20 7 Operating the po...

Страница 4: ...shipment 31 8 2 Firmware update 31 9 Malfunction 32 9 1 Error codes 33 9 2 Emergency action 34 10 Decommissioning and removal 35 10 1 Decommissioning 35 10 2 Removing the positioner 35 10 3 Disposal...

Страница 5: ...er is not suitable for the following applications Use outside the limits defined during sizing and by the technical data Furthermore the following activities do not comply with the intended use Use of...

Страница 6: ...eumatic actuator as a result of the supply pressure level it must be restricted using a suitable supply pressure reducing station Responsibilities of the operator The operator is responsible for prope...

Страница 7: ...t sequence during start up The positioner can only work properly if the mounting and start up are performed in the prescribed sequence Perform mounting and start up as described in section 16 in page...

Страница 8: ...atic destruction limit of 32 V Malfunction due to initialization not yet completed The initialization causes the positioner to be adapted to the mounting situation After ini tialization is completed t...

Страница 9: ...Reference variable 5 Supply 2 2 Article code Positioner Type 3724 0 0 0 0 0 0 x 0 0 0 0 0 Housing material Housing 1 4409 Cover 1 4404 0 Surface finish Micro bead blasted 1 Polished Ra 0 6 m 2 Permiss...

Страница 10: ...ange This change is sensed by the sensor 2 The elec tronics unit determines the current valve posi tion from this information The position of the valve is transmitted to the microcontroller 4 over its...

Страница 11: ...6 7 8 10 1 w 9 x y 2 5 A2 A1 12 1 Control valve 2 Sensor 3 A D converter 4 Microcontroller 5 D A converter 6 i p converter 7 Air capacity booster 8 Pressure regulator 9 Flow regulator 10 Volume restri...

Страница 12: ...t 10 K below the lowest ambient temperature to be expected Signal pressure output 0 bar up to the supply pressure minus 0 4 bar Can be limited to approx 2 3 bar by software Characteristic Three select...

Страница 13: ...max Version Reverse polarity protection galvanic isolation Adjustment range 0 to 100 see section 7 7 on page 26 Step size 0 5 Static destruction limit 32 V Signal state No response Non conducting hig...

Страница 14: ...esign and principle of operation 3 2 Dimensions in mm Actuator Piston d Type 3379 63 mm 69 mm 90 mm 94 mm 108 285 135 d 130 Fig 2 Dimensional drawings of Type 3724 Positioner with Type 3379 Pneumatic...

Страница 15: ...g impact Protect the positioner against moisture and dirt Observe transport temperature depend ing on the permissible ambient tempera ture see technical data in section 3 1 4 3 Storage Risk of positi...

Страница 16: ...ICE Note 5 1 Pneumatic connections The Type 3724 Positioner is delivered ready mounted on the Type 3379 Pneumatic Piston Actuator The pneumatic connections of the positioner are connected internally t...

Страница 17: ...For tight closing valves the maximum signal pressure pstmax is roughly estimated as fol lows pstmax F d p bar 4 A d Seat diameter cm p Differential pressure across the valve bar A Actuator area cm F U...

Страница 18: ...described in sec tion 5 2 3 Incorrect assignment of the terminals will damage the positioner and will lead to mal function Connect the electrical wiring to the position er according to the prescribed...

Страница 19: ...of 6 to 12 mm The cage clamp terminals hold wire cross sections of 0 2 to 1 5 mm Unscrew the cover and remove it To unlock the cage clamp terminals place a slotted screwdriver on the plastic part Fig...

Страница 20: ...ange to Code P0 or wait three minutes until the display re turns automatically to P0 The icon on the display indicates that the changed parameter settings have not yet been saved in the non volatile m...

Страница 21: ...EB 8395 EN 21 Operation Cover Pick up rod Positioner Actuator Pushbuttons Terminals Vent plug Fig 6 Type 3724 Positioner mounted on Type 3379 Pneumatic Piston Actuator...

Страница 22: ...e of 10 mm If the fault indication icon is displayed press or until ERR is displayed to view the relevant E0 to E15 error code s see code list in section 33 on page 9 1 7 Operating the positioner The...

Страница 23: ...he mechanical stops risk of me chanical damage the positioner vents the actuator and the valve moves to its fail safe position S displayed together with E8 error code 7 1 Adapting the display The disp...

Страница 24: ...s re quire a restricted air flow rate Setting to MIN Actuators with a transit time 0 4 s do not require the air flow rate to be restrict ed Setting to MAX Intermediate settings are not permitted Malfu...

Страница 25: ...ective after the posi tioner has been re initialized 7 5 Entering the direction of action The direction of action P7 is set to increas ing increasing by default For checking purposes After successfull...

Страница 26: ...nd press to confirm the value The switching values for P12 and P13 must be adjusted at least 5 from one another It is not possible to enter switching values that are less than 5 from one another 7 8 S...

Страница 27: ...set in Code P4 is only limited during initialization However it might be exceeded in closed loop control when the control signal is higher than 20 mA Start initialization by activating Code P15 as fol...

Страница 28: ...lization are used A new initialization can be started directly afterwards 7 10 Zero calibration In case of inconsistencies in the closed posi tion of the valve e g with soft seated plugs it might be n...

Страница 29: ...rs Press and hold for six seconds 6 5 4 3 2 1 is counted down on the display P17 blinks The manual set point is indicated on the dis play of an initialized positioner If the positioner has not yet bee...

Страница 30: ...and re turn to the display showing the status indica tion 7 12 Reset A reset causes an initialization to be undone and all parameters settings are reset to the default settings see code list in sec t...

Страница 31: ...for repair Proceed as follows to return devices to SAMSON 1 Put the control valve out of operation See associated valve documentation 2 Fill in the Declaration on Contamination The declaration form c...

Страница 32: ...tance a travel has been entered in Code P4 nominal range which is larger than the maximum valve travel possible the initialization process would be interrupted E2 error code because the rated travel w...

Страница 33: ...not identical operational error Adjusted and displayed valves are not identical to the INIT values as the parameters were changed after initialization 3 Recommended action Reset parameters or perform...

Страница 34: ...pply air mounting blocked 2 Recommended action Check supply air positioner mounting and mA input signal Re initialize the positioner E8 x range Pick up rod in range of the end stops 1 Recommended acti...

Страница 35: ...ws 1 Disconnect and lock the air supply and signal pressure 2 Open the positioner cover and discon nect the wires for the control signal 10 2 Removing the positioner 1 Disconnect the wires for the con...

Страница 36: ...an reach the After sales Service De partment at aftersalesservice samson Addresses of SAMSON AG and its subsid iaries The addresses of SAMSON AG its subsid iaries representatives and service facilitie...

Страница 37: ...ine the relation ship between the input variable and the position of the actuator stem 0 Linear 1 Equal percentage 2 Reverse equal percentage P6 Reference variable 4 to 20 mA SRLO SRHI For split range...

Страница 38: ...ignal P15 Start initialization Press button to cancel the initialization process As a result the valve moves to the fail safe position After a power supply failure during initialization the positioner...

Страница 39: ...EB 8395 EN 39...

Страница 40: ...2018 10 10 English SAMSON AKTIENGESELLSCHAFT 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 8395 EN...

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