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Samson 3730 Series Mounting And Operating Instructions

Electropneumatic positioner esd version, with hart communication
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Series 3730
Electropneumatic Positioner
Type 3730-3
ESD Version
®
With HART
communication
Fig. 1 · ESD mode in SAMSON TROVIS-VIEW 3 software
Mounting and
Operating Instructions
EB 8388-1 EN
Firmware version 1.4x
Edition June 2006

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Summary of Contents for Samson 3730 Series

  • Page 1 Series 3730 Electropneumatic Positioner Type 3730-3 ESD Version ® With HART communication Fig. 1 · ESD mode in SAMSON TROVIS-VIEW 3 software Mounting and Operating Instructions EB 8388-1 EN Firmware version 1.4x Edition June 2006...

  • Page 2: Table Of Contents

    Contents Contents Description....... 3 General ....... . 3 ESD functions .

  • Page 3: Description

    2 and EB 8384-3 EN). The TROVIS-VIEW 3 software allows for convenient operation when communicating through the SAMSON SSP interface proto- General col. Thanks to DD and the FDT/DTM con- cept, the ESD functions can easily be inte-...

  • Page 4: Esd Functions

    Description The operating instructions given in the fol- During the test, the valve is moved out of the lowing sections refer to operation with end position or from a start value either in TROVIS-VIEW 3. steps or in a ramp function until it reaches a defined value.

  • Page 5: Presetting The Positioner

    Description Presetting the positioner 1.3.2 Unlocking the positioner To prevent unauthorized access, the 1.3.1 Converting TROVIS-VIEW 3 positioner settings cannot be changed unless the valid ESD code has been entered. The TROVIS-VIEW 3 version must match the The positioner needs to be unlocked sepa- software version of the positioner.

  • Page 6: Changing The Graph Settings In Trovis-View 3

    Description Entering the code in TROVIS-VIEW 3 1. In the Device menu, select ESD enabling code. TROVIS-VIEW 3 establishes a connec- tion with the positioner. 2. Enter the code in the Value field. 3. Confirm selection with OK. 1.3.3 Changing the graph settings in TROVIS-VIEW 3 The parameters for setting the axis gradua- tion in the function diagrams can be...

  • Page 7: Esd Functions

    ESD functions The positioner behaves similar to a solenoid ESD functions valve, which keeps the attached valve open. TROVIS-VIEW 3: [Diagnosis > ESD] The current valve position is indicated under Manual reference variable w . In TROVIS-VIEW 3, the functions of the positioner in ESD version are listed in the The ESD operating mode parameter sets the [Diagnosis] folder under Emergency Shut...
  • Page 8 ESD functions After the Delay time after step (t ) has Partial stroke test elapsed, the valve is moved back to its initial The course of the partial stroke test depends position (= Required manual reference vari- on the parameters listed under Settings in able w , pos.
  • Page 9 ESD functions When the test is active, the test duration de- The valve is moved to the Step end (pos. 3) termined by the positioner is indicated by and Step start (pos. 2) positions with fixed the Duration of the test parameter. The Dis- ) set by the Ramp time velocities (v and v...
  • Page 10 ESD functions sense when the partial stroke test is per- Cancellation conditions formed as a ramp function because the To ensure that the running process is not dis- y cancellation condition is always met rupted and that the shut-off valve does not with the step change function.

  • Page 11: Changing Esd Parameters And Starting The Partial Stroke Test

    ESD functions Changing ESD parameters Test started manually and starting the partial 6. Right-click the Start step response pa- stroke test rameter and select Execute from the con- text-sensitive menu. To change ESD parameters using 7. The test will start after the “Warning. TROVIS-VIEW 3, proceed as follows: During test start the control valve departs 1.

  • Page 12: On-Site Operation

    ESD functions When a partial stroke test has been com- 2.1.1 On-site operation pleted successfully (ESD Test = “Successful“), On site, the described settings can be ad- parameters determined during the test are justed directly on the positioner: indicated in the [Analysis of measured data] folder.

  • Page 13: Condensed State

    ESD functions Tolerance band exceeded : The deviation No message [default] of the valve position exceeded the ESD When the default value “No message” is tolerance band . set, the ESD status is not included in the con- Max. test time exceeded : The test was densed state.

  • Page 14: Resetting Esd

    ESD functions Resetting ESD TROVIS-VIEW 3: [Diagnosis > Emergency Shut Down > Reset ESD] Using the Reset ESD parameter, the parame- ters of the ESD functions and the data log- ger are reset to their default values. Any recorded measured values, alarms, and data logger data are deleted.
  • Page 15 ESD functions Code Parameters – display, Description Values [default settings] ESD parameters d0 Time until the next automatic Time remaining until the next ESD test is started. ESD test Display only. d1 Auto test time [1 h] Desired time for repeating an ESD test d2 Step start Start value for step response 0.0 to 100.0 %, [95.0 %]...
  • Page 16 ESD functions Code Parameters – display, Description Values [default settings] E3 y control value The test is cancelled when the drive signal falls below this value. 0 to 9999 1/s, [0 1/s] E4 Minimum value y control Indicates the smallest value that y assumed during the last ESD test This parameter can be used to determine the limit value for y monitoring (y control value).

  • Page 17: Expert + Test Functions

    EXPERT test functions Model parameter under [Identification > EXPERT test functions Positioner > Actuator] By default, all positioners in ESD version in- Options: single acting, double acting clude the EXPERT valve diagnostic func- Default: single acting tions. However, the positioner’s operating Booster parameter under [Identifica- mode determines which diagnostic functions tion >...

  • Page 18: Notes On Applications

    Notes on applications Notes on applications Safety-related Control system control Usually, shut-off valves in a safety-instru- mented system are equipped with a solenoid valve for emergency shutdown. ® HART 4–20 mA 24 Volt 4–20 mA Several setups are possible when integrating the Type 3730-3 Positioner in ESD version into the automation system: In Fig.
  • Page 19 Notes on applications Fig. 5 shows a special application. In this setup, the solenoid valve integrated into the positioner (terminals 81, 82) is used to- gether with an existing external solenoid valve to trigger the data logger. 24 V – –82 4–20 mA ®...
  • Page 20 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 8388-1 EN Internet: http://www.samson.de...

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3730-3

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