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7

Intended use

Type 3281

2 

INTENDED USE

The 2-way motor valve Type 3281 is designed to control the flow of liquid and gaseous media.

 

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Use the device only as intended. Non-intended use of the device may be dangerous to people, nearby 

equipment and the environment.

 

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Do not use the device outdoors.

 

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Do not expose the valve to direct sunlight.

 

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To use the device, observe the permissible data, operating conditions and conditions of use. These 

specifications can be found in the contract documents, the operating instructions and on the Type label.

 

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Use the device only in conjunction with third-party devices and components recommended or approved 

by Bürkert.

 

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The device must only be used in perfect working order; always ensure proper storage, transportation, 

installation and operation.

english

Содержание 20010867

Страница 1: ...Operating Instructions Bedienungsanleitung Manuel d utilisation Type 3281 Motor valve Motorventil Vanne motoris e...

Страница 2: ...he right to make technical changes without notice Technische nderungen vorbehalten Sous r serve de modifications techniques B rkert Werke GmbH Co KG 2022 Operating Instructions 2207 00_EU ML_00815152...

Страница 3: ...rea of application 10 5 2 Structure and function 10 5 2 1 Functions of the control electronics 10 5 3 Variants 11 5 3 1 Positioner 11 5 3 2 Process controller 12 6 TECHNICAL DATA 13 6 1 Conformity 13...

Страница 4: ...ositioners and process controllers 27 8 3 2 Functions for process controllers 28 8 4 Base settings 29 8 4 1 Positioner 29 8 4 2 Process controller 30 8 5 Settings for positioners and process controlle...

Страница 5: ...r settings 37 8 7 1 CAL INP 37 8 7 2 FACTORY RESET Reset to factory settings 37 8 7 3 DIAGNOSTICS 37 8 7 4 CHANGEOVER of LED DISPLAY Changeover of LED colours between standard and NAMUR NE 107 37 8 7...

Страница 6: ...these instructions may result in serious injuries or death CAUTION Warns of a potential hazard Failure to observe these instructions may result in moderate or minor injuries NOTE Warns of damage to pr...

Страница 7: ...rs Do not expose the valve to direct sunlight To use the device observe the permissible data operating conditions and conditions of use These specifications can be found in the contract documents the...

Страница 8: ...observe the following Do not use Device key 3281 in areas where explosions are possible Do not to subject the housing to mechanical stress Do not make any internal or external changes to the device Do...

Страница 9: ...com International The contact addresses can be found on the back pages of the printed operating instructions Also on the Internet at www burkert com 4 2 Warranty A precondition for the warranty is tha...

Страница 10: ...inear movement by means of a threaded spindle The valve spindle is rigidly connected to the threaded spindle The valve spindle is connected to a control cone Circular plug in connector Valve body Actu...

Страница 11: ...via CANopen b S The variants can be recognized by the plug configuration or on the Type label C stands for positioner and D for process controller Both variants have special functions that can be set...

Страница 12: ...point value and the process actual value with the control parameters PID controller The process set point value can be specified by an external signal For process control the position control mention...

Страница 13: ...umidity Ambient temperature 10 60 C note derating curve see chapter 6 6 1 Medium temperature 10 130 C Air humidity 95 non condensing Media non aggressive pure and non corrosive liquid and gaseous medi...

Страница 14: ...oller Analog Digital fieldbus Analog Digital fieldbus Connections Circular plug in con nector M12 x 1 8 pin Circular plug in con nector M12 x 1 5 pin Circular plug in connectors M12 x 1 8 pin and M12...

Страница 15: ...0 20 mA 4 20 mA 0 5 V 0 10 V adjustable see chapter 8 5 Analogue output max Current for voltage output 10 mA max Load for current output 560 max Current for voltage output 10 mA max Load for current o...

Страница 16: ...the derating curve it can be read which maximum duty cycle is permissible at which maximum ambient temperature At lower medium temperatures higher duty cycles can be achieved 10 20 30 40 50 60 70 80 9...

Страница 17: ...ion ensure a controlled restart 7 1 Installing the device fluidically Installation position arbitrary preferably actuator at the top and with vertical installation position actuator cover upwards Clea...

Страница 18: ...xygen or analysis applications use approved lubricants only Apply lubricant to the valve seat thread e g Kl berpaste UH1 96 402 from Kl ber Screw the attached valve seat into the thread of the valve b...

Страница 19: ...When removing the actuator the valve must be in the open position Connect the valve to the B rkert Communicator and open the valve 100 in the MANUAL operating state Place a suitable open end wrench on...

Страница 20: ...ator into the valve body Observe the tightening torque of 45 3 Nm 7 5 Turning actuator The position of the ports can be seamlessly aligned by turning the actuator 360 NOTE Damage to the valve seat sea...

Страница 21: ...TE Damage to the motor valve due to incorrect supply voltage Supply voltage must correspond to the voltage indicated on the type label If the earth is not connected this represents an infringement of...

Страница 22: ...CAN high CAN high 5 grey CAN GND CAN GND 6 pink Set point value input 0 20 mA 4 20 mA 0 5 V 0 10 V non galvanically isolated 7 blue Actual value output 0 20 mA 4 20 mA 0 5 V 0 10 V non galvanically is...

Страница 23: ...ted 8 red Signal GND Signal GND Housing Shielding The specified wire colours refer to the connection cable which is available as an accessory with order no 919061 3 3 V signal voltage the safe communi...

Страница 24: ...bridge according to GND pin 3 5 grey Not used Not used Housing Shielding The specified wire colours refer to the connection cable which is available as an accessory with order no 559177 A PNP sensor...

Страница 25: ...vice is in error free operation Status changes are highlighted in colour Messages are sent via any fieldbus that may be connected red 5 perma nently on Failure error or fault Due to a malfunction in t...

Страница 26: ...e as an accessory is required This chapter describes the basic use of the B rkert Communicator Detailed information can be found at www burkert com 8920 Downloads Operating instructions 8 1 1 User int...

Страница 27: ...hen the voltage is applied again the control electronics automatically detect the current valve position Correction line for adjusting the operating characteristic With this auxiliary function you sel...

Страница 28: ...earisation of process characteristics Parameterisation of the PID process controller Setting of gain factor P part reset time I part derivative time D part insensitivity range dead band filtering of t...

Страница 29: ...2 Safety position at supply voltage 18 5 V On 0 3 Set input signal 1 set point value Depends on device variant 4 Set output signal3 Depends on device variant 5 Safety position in case of communication...

Страница 30: ...at the valve To counteract thermal effects the lower end position of the valve must be set in the range marked in the illustration The CUTOFF_min function of the valve see chapter 8 5 8 CUTOFF nevert...

Страница 31: ...value The selected set point value source is ignored by the device during the simulation The following wave forms can be entered Sinus Sinus wave Square Square wave Triangle Triangle wave Fixed Manual...

Страница 32: ...he actuator move to any position or to remain in the current position SAFEPOS when using the energy storage module capacitive buffer module ID 773 440 Enter the safety position In order to be able to...

Страница 33: ...nge limit top setting range 80 100 of the total setting range Limited setting range Unlimited setting range Physical setting range Limited setting range Set point value mA INPUT Fig 15 Diagram X LIMIT...

Страница 34: ...olume flow Q which flows through the valve installed in a system and the displacement angle s In the case of positioning for closed loop controls special requirements are usually placed on the course...

Страница 35: ...ints for the correction characteristic are determined automatically For this purpose the programme passes through the valve positioning range in 20 steps and measures the corresponding measured quanti...

Страница 36: ...ffect Setting Corresponds to cut off fre quency Hz Effect 0 10 minimum filter effect 1 5 2 2 3 1 4 0 5 5 0 2 6 0 1 7 0 07 8 0 05 9 0 03 greatest filter effect 8 6 5 P SIM Simulation of the process Wit...

Страница 37: ...function all settings configured by the user can be reset to the state at delivery All parameters except the calibration values are reset to default values A hardware reset is then performed 8 7 3 DIA...

Страница 38: ...ition to the menu AUTO MANU the menu MANUAL MODE is also available for manual actuation of the valve For devices for which the actuator and housing are not yet screwed in place ex works the MANUAL ope...

Страница 39: ...h the usual cleaning agents Do not use alkaline cleaners as they have damaging effects on the materials used 9 3 Troubleshooting Check in case of faults the line connectors whether the operating press...

Страница 40: ...evice Standard signal is 4 mA cable break Check cable for possible loose connections Position sensor fault Check the cable in the device for possible loose connections Communication failure b S CANope...

Страница 41: ...accessories and original spare parts from B rkert Accessories Order number USB b S Interface set 1 including power supply unit b S stick terminating resistor Y distributor 0 7 m cable with M12 plug 0...

Страница 42: ...storage temperature Protect electrical interfaces from damage with protective caps 12 STORAGE NOTE Incorrect storage may damage the device Store the device in a dry and dust free location Storage tem...

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