Samson 3730-4 Translation Of Original Instructions
Electropneumatic positioner
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Also See for 3730-4:
- Quick start manual ,
- Mounting and operating instructions (212 pages) ,
- Original instructions manual (128 pages)
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Summary of Contents for Samson 3730-4
- Page 1 SH 8384-4 EN Translation of original instructions Type 3730-4 Electropneumatic Positioner Communication: PROFIBUS-PA Edition July 2020...
- Page 2 Definition of signal words DANGER NOTICE Hazardous situations which, if not avoided, Property damage message or malfunction will result in death or serious injury Note WARNING Additional information Hazardous situations which, if not avoided, could result in death or serious injury Recommended action SH 8384-4 EN...
- Page 3 Purpose of this manual The Safety Manual SH 8384-4 contains information relevant to the use of the Type 3730-4 Positioner in safety-instrumented systems according to IEC 61508 and IEC 61511. The safety manual is intended for planners, constructors and operators of safety-instrumented systems.
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Page 4: Table Of Contents
Contents Scope ......................5 General ......................5 Use in safety-instrumented systems ..............5 Versions and ordering data ................5 Attachment ....................6 Technical data (excerpt from EB 8384-4) ............6 Safety-related functions .................8 Fail-safe action ....................8 Protection against unauthorized changes to the configuration ......10 Mounting, connection and start-up ...............10 Required conditions ..................10 Selection .....................11 Mechanical and pneumatic installation ............11 Electrical installation ..................12... -
Page 5: Scope
The article code written on the nameplate provides details on the optional equipment of the positioner: Positioner Type 3730-4 x x x 0 x 0 x x 1 x 0 0 x 0 x x Additional equipment Inductive limit switch Without... -
Page 6: Attachment
The positioner is suitable for the following types of attachment in combination with various mounting parts: − Direct attachment to SAMSON Type 3277 Linear Actuators − Attachment to linear actuators according to IEC 60534-6 (NAMUR) − Attachment to linear actuators according to VDI/VDE 3847 −... - Page 7 Technical data (excerpt from EB 8384-4) Type 3730-4 Positioner with PROFIBUS-PA communication The technical data for the explosion-protected devices may be restricted by the limits specified in the test certificates. Sensitivity ≤0.1 % (supply) At Δp = 6 bar: 8.5 m ³/h · At Δp = 1.4 bar: 3.0 m ³/h · K = 0.09 Air output Vmax(20 °C) capacity (exhaust) At Δp = 6 bar: 14.0 m ³/h ·...
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Page 8: Safety-Related Functions
Safety-related functions 3 Safety-related functions Emergency venting over the i/p converter (Fig. 1 path In automatic mode, the PD controller (3) compares the valve position to the control signal issued by the PROFIBUS communication. In case of a system deviation, the activation of the i/p converter is changed so that the actuator (1) is either vented or supplied with air. - Page 9 Safety-related functions Serial Interface 24V DC Control valve Flow regulator 15* Binary input BI2 (for floating contact) Travel sensor Volume restriction Display PD controller 11* Inductive limit switch 17* Actuation of solenoid valve A/D converter 12* Solenoid valve Galvanic isolation Microcontroller IEC 61158-2 interface module...
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Page 10: Protection Against Unauthorized Changes To The Configuration
Mounting, connection and start-up 3.2 Protection against unauthorized changes to the configuration A change to the configuration cannot affect the safety-instrumented function nor cause it to be deactivated. 4 Mounting, connection and start-up Refer to Mounting and Operating Instructions u EB 8384-4 for details on how to mount, perform the electric and pneumatic connections as well as start up the positioner. -
Page 11: Selection
Required conditions 5.1 Selection Î The required transit times of the control valve are observed. The transit times to be implemented are determined by the process engineering require- ments. The minimum OPEN and CLOSE transit times can be read in Codes 40 and 41 after the positioner has been initialized. -
Page 12: Electrical Installation
Required conditions We recommend installing a supply pressure regulator/filter upstream of the device. For example, the SAMSON Type 4708 Supply Pressure Regulator with 5 µm filter cartridge can be used. Î The supply air line has a minimum inside diameter of 4 mm. -
Page 13: Proof Testing
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 proof test in a check- list. WARNING Risk of dangerous failure due to malfunction in the event of emergency (actuator is not vented or the valve does not move to the fail-safe position). -
Page 14: Function Testing
Regularly check the safety-instrumented function according to the test plan drawn up by the operator. Note Record any positioner faults and e-mail (aftersalesservice@samsongroup.com) them to SAMSON. Emergency venting by applying a 0 V signal to terminals marked "IEC 1158-2" 1. Supply the positioner with air within the permissible supply pressure range (max. 7 bar) which allows the valve to move to the maximum travel/angle of rotation. - Page 15 Proof testing 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. Supply the positioner with air within the permissible supply pressure range (max. 7 bar) which allows the valve to move to the maximum travel/angle of rotation. 2.
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Page 16: Maintenance And Repair
Maintenance and repair Proof test A full stroke test must be performed as the proof test. The following value can be used for Proof Test Coverage to calculate PFD PTC (Proof Test Coverage) = 92 % for a proof test 7 Maintenance and repair Only perform the work on the positioner described in EB 8384-4. -
Page 17: Safety-Related Data And Certificates
Safety-related data and certificates 8 Safety-related data and certificates PSTC (Partial Stroke Test Coverage) 68 % PTC (Proof Test Coverage) 92 % MTC (Maintenance Coverage) >99 % Further safety-related data are listed in the following certificate. SH 8384-4 EN... - Page 18 SH 8384-4 EN...
- Page 19 SH 8384-4 EN...
- Page 20 SH 8384-4 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 samson@samsongroup.com · www.samsongroup.com...
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