1. DL manuals
  2. Samson
  3. Valve Positioners
  4. 3730-3
  5. Safety Manual

Samson 3730-3 Safety Manual - Purpose of This Manual

Manual is about: Series 3730 Electropneumatic Positioner with HART communication

Summary of 3730-3

  • Page 1

    Safety manual sh 8384-3 en tr anslat ion of original instruct ions edition december 2016 series 3730 type 3730-3 electropneumatic positioner with hart ® communication.

  • Page 2

    2 sh 8384-3 en definition of signal words hazardous situations which, if not avoided, will result in death or serious injury hazardous situations which, if not avoided, could result in death or serious injury property damage message or malfunction additional information recommended action danger ! W...

  • Page 3: Purpose of This Manual

    Sh 8384-3 en 3 purpose of this manual the safety manual sh 8384-3 contains information relevant for the use of the type 3730-3 positioner in safety-instrumented systems according to iec 61508 and iec 61511. The safety manual is intended for planners, constructors, and operators of safety-instrumente...

  • Page 4

    4 sh 8384-3 en contents 1 scope ...........................................................................................................5 2 technical data (excerpt from eb 8384-3) ........................................................6 3 safety-related functions ...................................

  • Page 5: 1  Scope

    Sh 8384-3 en 5 scope 1 scope general the type 3730-3 electropneumatic positioner is a single-acting, venting positioner with hart ® communication for attachment to pneumatic rotary and linear actuators with spring-return mechanism. The positioner is used to position control valves. Use in safety-ins...

  • Page 6

    6 sh 8384-3 en technical data (excerpt from eb 8384-3) type 3730-3 positioner x x x x x x x x 0 x 0 0 x 0 x x option (additional equipment) without inductive limit contact with inductive limit contact sj2-sn (namur nc contact) 0 1 without solenoid valve with 24 v dc solenoid valve 0 4 attachment the...

  • Page 7

    Sh 8384-3 en 7 technical data (excerpt from eb 8384-3) type 3730-3 positioner: also observe the technical data in the test certificates for explosion-protected versions sensitivity ≤0.1 % transit time venting or filling with air adjustable separately up to 240 s by software. Air output capacity to f...

  • Page 8

    8 sh 8384-3 en safety-related functions 3 safety-related functions 1. Emergency venting over the i/p converter (fig. 1 path ) in automatic operation, the pd controller (3) compares the actual value to the dc control signal from 4 to 20 ma coming from the microcontroller. In case of a system deviatio...

  • Page 9

    Sh 8384-3 en 9 safety-related functions q % mm g pd serial interface 16 13 22 15 a2 a3 be 2 4 21 fsk 20 19 5 3 7 8 10 14 14 9 17 18 81 82 11 12 42 41 51 52 83 84 31 32 31 32 a1 q % mm m m g pd serial interface 16 13 22 15 a2 a3 be 2 4 21 fsk 20 19 5 3 7 8 10 14 14 9 17 18 a1 g 12 6 x y 1 11 w w x 24...

  • Page 10

    10 sh 8384-3 en mounting, connection, and start-up 4 mounting, connection, and start-up refer to mounting and operating instructions u eb 8384-3 on how to mount, perform the electric and pneumatic connections as well as start up the positioner. Only use the specified original mounting parts and acce...

  • Page 11: 5  Required Conditions

    Sh 8384-3 en 11 required conditions 5 required conditions risk of malfunction due to incorrect selection or wrong installation and operating conditions. Only use control valves in safety-instrumented systems after the necessary conditions in the plant have been fulfilled. The same applies to the mou...

  • Page 12

    12 sh 8384-3 en required conditions particle size and quantity oil content pressure dew point class 4 class 3 class 3 ≤ 5 µm and 1000/m³ ≤ 1 mg/m³ –20 °c or at least 10 k below the lowest ambi- ent temperature to be expected we recommend installing a supply pressure regulator/filter upstream of the ...

  • Page 13: 6  Proof Testing

    Sh 8384-3 en 13 proof testing 6 proof testing the proof test interval and the extent of testing lie within the operator's responsibility. The operator must draw up a test plan, in which the proof tests and the interval between them are specified. We recommend summarizing the requirements of the proo...

  • Page 14

    14 sh 8384-3 en proof testing 6. Check whether the actuator is fully vented within the demanded time. Connect a pressure gauge to check that the actuator has completely vented. − emergency venting by applying a 0 v signal to terminals 81/82 (solenoid valve): 1. Apply supply air within the permissibl...

  • Page 15: 7  Repairs

    Sh 8384-3 en 15 repairs visual inspection to avoid systematic failure to avoid systematic failure, inspect the positioner regularly. The frequency and the scope of the inspection lie within the operator's responsibility. Take application-specific influences into account, such as: − dirt blocking the...

  • Page 16

    16 sh 8384-3 en.

  • Page 17

    Manufacturer's declaration changed on: 2014-06-23 2014-07-30 2014-08-21 v/he-1142-3 de-en changed by: v31/bhk/v74/tny v31/bhk/v74/tny v31/bhk/v74/tny samson aktiengesellschaft · weismüllerstraße 3 · 60314 frankfurt am main, germany · phone: +49 69 4009-0 · fax: +49 69 4009-1507 · samson@samson.De he...

  • Page 18

    Manufacturer's declaration changed on: 2014-06-23 2014-07-30 2014-08-21 v/he-1142-3 de-en changed by: v31/bhk/v74/tny v31/bhk/v74/tny v31/bhk/v74/tny samson aktiengesellschaft · weismüllerstraße 3 · 60314 frankfurt am main, germany · phone: +49 69 4009-0 · fax: +49 69 4009-1507 · samson@samson.De nu...

  • Page 19

    Manufacturer's declaration changed on: 2014-06-23 2014-07-30 2014-08-21 v/he-1142-3 de-en changed by: v31/bhk/v74/tny v31/bhk/v74/tny v31/bhk/v74/tny samson aktiengesellschaft · weismüllerstraße 3 · 60314 frankfurt am main, germany · phone: +49 69 4009-0 · fax: +49 69 4009-1507 · samson@samson.De sa...

  • Page 20: Sh 8384-3 En

    Samson ag · mess- und regeltechnik weismüllerstraße 3 · 60314 frankfurt am main, germany phone: +49 69 4009-0 · fax: +49 69 4009-1507 samson@samson.De · www.Samson.De sh 8384-3 en 2017-01-18 · engl ish.