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Samson TROVIS SAFE 3731-3 Mounting And Operating Instructions

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Series 3731
TROVIS SAFE 3731-3
Electropneumatic Ex d Positioner
®
with HART
communication
Fig. 1 · TROVIS SAFE 3731-3
Mounting and
Operating Instructions
EB 8387-3S EN
Firmware version 1.61
Edition May 2017
EB + CD
Table of Contents
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Summary of Contents for Samson TROVIS SAFE 3731-3

  • Page 1 Series 3731 TROVIS SAFE 3731-3 Electropneumatic Ex d Positioner ® with HART communication Fig. 1 · TROVIS SAFE 3731-3 Mounting and Operating Instructions EB 8387-3S EN Firmware version 1.61 EB + CD Edition May 2017...
  • Page 2 Definitions of the signal words used in these instructions DANGER! NOTICE indicates a hazardous situation which, if not indicates a property damage message. avoided, will result in death or serious injury. Note: Supplementary explanations, WARNING! information and tips indicates a hazardous situation which, if not avoided, could result in death or serious injury.

  • Page 3: Table Of Contents

    Contents Contents Important safety instructions ..... . 6 Article code ......7 Design and principle of operation.
  • Page 4 Contents Positioner initialization......50 7.5.1 Initialization based on MAX maximum range ... . . 52 7.5.2 Initialization based on NOM nominal range .
  • Page 5 EB 8387-3S EN...

  • Page 6: Important Safety Instructions

    Important safety instructions Important safety instructions For your own safety, follow these instructions concerning the mounting, start up and opera- tion of the positioner: The positioner is to be mounted, started up or operated only by trained and experienced personnel familiar with the product. According to these Mounting and Operating Instructions, trained personnel refers to individuals who are able to judge the work they are assigned to and recognize possible dangers due to their specialized training, their knowledge and experience as...

  • Page 7: Article Code

    Article code Article code x x x x x x x 0 0 x 1 x 0 0 0 Positioner TROVIS SAFE 3731 - 3 ® With LCD, autotune, HART communication Explosion protection ATEX: II 2G Ex d IIC T6, T5, T4 Gb; II 2G Ex de IIC T6, T5, T4 Gb; II 2D Ex tb IIIC T80°C IP66 Class I, Div.

  • Page 8: Design And Principle Of Operation

    Design and principle of operation variable y) is produced for the pneumatic Design and principle of actuator. operation The positioner basically consists of an elec- The electropneumatic Ex d positioner is trical travel sensor system (2), an analog i/p mounted on pneumatic control valves. It is converter (6) with downstream air capacity used to assign the valve stem position (con- booster (7) and the electronic unit with a...

  • Page 9: Application Type

    The positioner follows the reference types of attachment using the corresponding variable given over local operation. accessories: Direct attachment to SAMSON Type 3277 Actuator: section 4.1 Attachment to actuators acc. to IEC 60534-6 (NAMUR): section 4.2 The application type is set in Code 49 - h Attachment to Type 3510 Micro-flow (see section 7.7).

  • Page 10: Additional Equipment

    Design and principle of operation Binary input Additional equipment The positioner has an optional binary input. Forced venting The following actions can be performed over the binary input: The i/p converter stops working if the oper- ating voltage supply to the relevant terminals Transfer switching state [default] is interrupted.

  • Page 11: Communication

    Connection to terminals B-C: Contact input The device-specific module for TROVIS SAFE for an external contact 3731-3 can be downloaded free of charge from the SAMSON website (Services > Soft- ware > TROVIS-VIEW). Additional information on TROVIS-VIEW Communication (e.g. system requirements) can found on the...

  • Page 12: Technical Data

    Design and principle of operation Technical data TROVIS SAFE 3731-3 Ex d Positioner (technical data in test certificates additionally apply for explosion-protected devices) Rated travel Adjustable Direct attachment to Type 3277: 3.6 to 30 mm Attachment acc. to IEC 60534-6 (NAMUR): 3.6 to 300 mm Attachment to rotary actuators (VDI/VDE 3845): 24°...
  • Page 13 Design and principle of operation TROVIS SAFE 3731-3 Ex d Positioner (technical data in test certificates additionally apply for explosion-protected devices) At ∆p = 6 bar: 8.5 m ³/h · At ∆p = 1.4 bar: 3.0 m Filled with ³/h · K = 0.09...
  • Page 14 Design and principle of operation Additional equipment Optional binary output, software limit switch, galvanically isolated Connection: Optionally NAMUR (EN 60947-5-6) or PLC, configurable as a limit switch or fault alarm output Signal status Terminals B-C Terminals A-B Switching output AC/DC (PLC) ≥...
  • Page 15 Design and principle of operation List of explosion-protection certificates TROVIS SAFE Certificate Type of protection/comments 3731 EC-Type Number PTB 11 ATEX 1014 X II 2G Ex d IIC T6,T5,T4 Gb; Examination II 2G Ex de IIC T6,T5,T4 Gb; Date 2012-07-26 Certificate II 2D Ex tb IIIC T80°C DB IP66 Number...

  • Page 16: Attachment To The Control Valve - Mounting Parts And Accessories

    Direct attachment to SAMSON Type 3277 Actuator The positioner is standard equipped with the Attachment to actuators according to lever M (pin position 35).
  • Page 17 [cm²] [mm] Min. Travel Max. 25.0 120/175/240/350 35.0 355/700/750 10.0 50.0 Attachment according to IEC 60534-6 (NAMUR) SAMSON valves/Type 3271 Actuator Adjustment range at positioner Required Assigned Other valves/actuators Actuator size Rated travel lever pin position [cm²] [mm] min. Travel max.

  • Page 18: Direct Attachment

    Attachment to the control valve – Mounting parts and accessories Direct attachment Align the marking of the switchover plate (9) to the corresponding symbol 4.1.1 Type 3277-5 Actuator and mount the plate on the actuator yoke. Refer to Table 1 on page 31 for required If applicable, mount pressure gauge mounting parts and accessories.
  • Page 19 Attachment to the control valve – Mounting parts and accessories it in the hole for pin position 25 and screw tight. Insert formed seal (15) into the groove of the positioner housing, pressing the four retaining rings over the housing screws and both fittings into the hous- ing recesses.
  • Page 20 Attachment to the control valve – Mounting parts and accessories Lever Symbols Switchover plate (9) Disk spring Actuator stem Follower pin extends Follower clamp Screw plug Stopper Left attachment Right attachment Connecting plate for G ¼ Seal rings Actuator stem Pressure gauge bracket retracts Press.

  • Page 21: Type 3277 Actuator

    Attachment to the control valve – Mounting parts and accessories 4.1.2 Type 3277 Actuator push into the hole in the housing. Push the lever (1) until it engages into place. Refer to Table 2 on page 32 for the required Place positioner on the cover plate (10) mounting parts and accessories.
  • Page 22 Attachment to the control valve – Mounting parts and accessories Connection block Lever 12.1 Screw 1.1 Nut 12.2 Stopper or connection for 1.2 Disk spring external piping Follower pin 10 14 Switch plate Follower clamp Gasket Cover plate G ¼ Formed seal 11.1 Cover...

  • Page 23: Attachment According To Iec 60534-6 (Namur)

    Attachment to the control valve – Mounting parts and accessories Mount cover (11) on the other side. Mount NAMUR bracket (10) to the con- Make sure that the vent plug (11.1) trol valve as follows: points to the back when the control –...
  • Page 24 Attachment to the control valve – Mounting parts and accessories Attachment to Attachment to rod-type yoke NAMUR rib Rods with 20 to 35 mm Ø Lever 1.1 Nut Disk spring Follower pin Follower plate Additional bracket for 3.1 Follower plate actuators with 2800 cm²...

  • Page 25: Attachment To Type 3510 Micro-Flow Valve

    Attachment to the control valve – Mounting parts and accessories 6.2 Screw the long follower pin (2) in- (11.1) directly into the holes on the cluded in the mounting kit in the yoke. pin position of the required lever Fasten the bracket (10) to the hex bar (1) assigned in the table.
  • Page 26 Attachment to the control valve – Mounting parts and accessories Lever Disk spring Follower pin 11.1 Follower plate Connecting plate Seal rings Pressure gauge bracket Pressure gauge mounting kit Stem connector Bracket 12.1 Screws Bracket 10.1 Screw Hex bar 11.1 Screws 12.1 Screws...

  • Page 27: Attachment To Rotary Actuators

    (11) underneath, if (accessories order no.1400-6964/item necessary. no. 0390-1424) into the signal pres- For SAMSON Type 3278 and VETEC sure output of the positioner (or the out- S160 Rotary Actuator, screw the put of the pressure gauge bracket or adapter (5) onto the free end of the connecting plate).
  • Page 28 4.3 Adhesive label Actuator shaft or adapter 5.1 Adapter 10.1 10.1 SAMSON Type 3278 Attachment acc. to VDI/VDE 3845 VETEC S160, VETEC R (Sept. 2010) level 1, size AA1 to AA4 (see section 12.1) Fig. 9 · Attachment to rotary actuators...

  • Page 29: Reversing Amplifier For Double-Acting Actuators

    Remove the rubber seal (1.4). positioner must be fitted with a reversing Insert the gasket (1.2) into the recess of amplifier, e.g. the SAMSON Type 3710 Re- the reversing amplifier and push both versing Amplifier (see Mounting and Oper- the hollowed special screws (1.1) into ating Instructions EB 8392 EN).
  • Page 30 Attachment to the control valve – Mounting parts and accessories From the positioner Output 38 Supply 9 Control signals to the actuator Reversing amplifier 1.1 Special screws 1.2 Gasket 1.3 Special nuts 1.4 Rubber seal 1.5 Sealing plug 1.6 Filter Fig.

  • Page 31: Required Mounting Parts And Accessories

    Attachment to the control valve – Mounting parts and accessories Required mounting parts and accessories Order no. Table 1 · Direct attachment to Type 3277-5 (Fig. 4) Mounting parts For actuators with 120 cm² effective diaphragm area 1400-7452 Version compatible with paint for actuators 120 cm² or smaller 1402-0940 Switchover plate (old) for Actuator Type 3277-5xxxxxx.00 (old) 1400-6819...
  • Page 32 Attachment to the control valve – Mounting parts and accessories Table 2 · Direct attachment to Type 3277 (Fig. 5) Order no. Mounting Standard version for actuators with 175, 240, 350, 355, 700, 750 cm² 1400-7453 parts 1402-0970 Steel 1402-0976 NPT / 175 cm²...
  • Page 33 Attachment to the control valve – Mounting parts and accessories Table 3 · Attachment to NAMUR ribs or control valves with rod-type yokes (20 to 35 mm rod diameter) according to IEC 60534-6 (Figs. 6 and 7) Order no. Travel in mm Lever For actuators Type 3271-5 Actuator with 60/120 cm²...
  • Page 34 Bracket surface corresponds to level 2, heavy-duty version 1400-9526 Mounting parts Attachment for SAMSON Type 3278 with 160 cm² and for VETEC Type S160, R and 1400-9245 M, heavy-duty version 1400-5891 Attachment for SAMSON Type 3278 with 320 cm² and for VETEC Type S320,...

  • Page 35: Connections

    Connections Connections Follow the instructions below to avoid dam- aging the positioner. WARNING! – The supply pressure at the input must Mount the positioner, keeping the following not exceed 6 bar. sequence: – The screw fittings with ¼ NPT thread can 1.

  • Page 36: Signal Pressure Gauges

    Connections 5.1.1 Signal pressure gauges If there are no specifications, calculate as follows: To monitor the supply air (Supply) and sig- Required supply pressure = nal pressure (Output), we recommend that Upper bench range value + 1 bar pressure gauges be attached (see accesso- ries in Tables 1 to 5).

  • Page 37: Electrical Connections

    Connections Electrical connections DANGER! Risk of the formation of an explosive atmosphere! The following standard applies for assembly and installation in hazardous areas: EN 60079-14 (VDE 0165 Part 1) Explosive atmospheres - Electrical installations design, selection and erection. Connection to conform with the type of protection Ex d (EN 60079-1): The TROVIS SAFE 3731-321 Positioner must be connected over the appropriate cable glands or conduit systems which meet the requirements of EN 60079-1 (Electrical apparatus for explosive gas atmospheres - Part 1: Flameproof enclosures "d") Clauses 13.1 and 13.2...
  • Page 38 Connections Only the terminal compartment is to be opened within the hazardous area to connect it to a certified instrinsically safe circuit. Positioners that are connected to non-intrinsically safe circuits are no longer permitted to be used as instrinsically safe equipment. The IP rating of the cable, cable entries and blanking plugs must be the same as the positioner's degree of protection.
  • Page 39 Connections Cable entry mum (reverse polarity protection, see Tech- nical data). NOTICE The demanded degree of protection might not be met because the terminal compart- ment is not sealed tightly. Only operate the positioner with sealed cable entries and with the lid screwed on properly.
  • Page 40 Connections Signal Option Two-wire transmitter A B C Supply unit for position transmitter 4...20 mA HART ® 11...35 V DC Control signal Forced venting A B C polarity insensitive N/ _ 0...40 V DC 0...28 V AC Binary output A B C Signal converter acc.

  • Page 41: Establishing Communication

    Connections via point-to-point or standard bus 5.2.1 Establishing communication (Multidrop). Communication between PC and the FSK Point-to-point: modem or handheld communicator and The bus address/polling address must al- ® positioner is based on the HART protocol. ways be set to zero (0). Type Viator FSK modem Standard bus (Multidrop): RS-232...
  • Page 42 Connections Note: Communication errors may occur when the process controller/control station output is not HART-compatible. For adaptation, the Z box (order no. 1170-2374) can be installed between out- put and communication interface. At the Z box a voltage of 330 mV is re- leased (16.5 Ω...

  • Page 43: Operator Controls And Readings

    Operator controls and readings Operator controls and Operating modes: readings Manual mode (MAN), section 8.2.1 The positioner follows the manual set Rotary pushbutton point (Code 1) instead of the mA signal blinks: The positioner has not yet The rotary pushbutton ( ) is located under- been initialized.
  • Page 44 Operator controls and readings each error. Classifications include “No message”, “Maintenance required”, “Maintenance demanded”, “Out of spec- ification” and “Maintenance alarm“ (see section 8.3). Configuration enabled This indicates that the codes marked with an asterisk (*) in the code list (section 11) are enabled for configuration (see sec- tion 8.1).
  • Page 45 Operator controls and readings Manual mode Closed-loop operation Condensed state: Code Maintenance alarm Bar elements for system deviation or lever position Designation Units Position Parameter Limit switch Limit switch Alarm 2 Alarm 1 Configuration Condensed state: Fail-safe position enabled Maintenance required active Maintenance demanded Readings and their meanings...

  • Page 46: Hart ® Communication

    Operator controls and readings ® ® HART communication 6.4.1 Dynamic HART variables The positioner must be supplied with at least The HART ® specification defines four dy- 3.8 mA current. namic variables consisting of a value and an engineering unit. These variables can be as- A DTM file (Device Type Manager) conform- signed to device parameters as required.

  • Page 47: Start-Up - Settings

    Start-up – Settings Start-up – Settings ® Assignment of dynamic HART variables Variable Meaning Unit WARNING! Set point Attach the positioner, keeping the following Direction of action set point sequence: 1. Mount the positioner on the control valve Set point after transit time specification 2.

  • Page 48: Adapting The Display

    Start-up – Settings Enable configuration at the positioner before NOTICE activating the pressure limit function: Perform the start-up settings in the same se- quence as listed (section 7.1 to section 7.5). Note: If no settings are entered within 120 seconds, the enabled configuration Adapting the display function becomes invalid.

  • Page 49: Checking The Operating Range Of The Positioner

    Start-up – Settings Checking the operating A horizontal lever (mid-position) is equal to 0°. range of the positioner To ensure the positioner is working prop- To check the mechanical attachment, the erly, the outer bar elements may not blink valve should be moved through the operat- while the valve is moving through the oper- ing range of the positioner in the manual...

  • Page 50: Allocating The Closed Position

    Start-up – Settings Allocating the closed Turn until the required closed position appears on the display. position Press to confirm the closed position. Taking into account the type of valve and the → ESC Turn operating direction of the actuator, allocate Press to exit or: the closed position (0 % travel):...
  • Page 51 Start-up – Settings NOTICE If the positioner is mounted onto another ac- Alternating displays: Initialization running tuator or its mounting position is changed, reset the positioner to its default settings be- fore re-initializing it. Refer to section 7.8. Initialization progress indicated (MAX, NOM, MAN or SUB During initialization the positioner adapts it-...

  • Page 52: Initialization Based On Max Maximum Range

    Start-up – Settings 7.5.1 Initialization based on MAX Start initialization: maximum range The positioner determines travel/angle of Initialization rotation of the closing member from the CLOSED position to the opposite side and adopts this travel/angle of rotation as the operating range from 0 to 100 %. Fail-safe position setting Enable configuration: Note: If no settings are entered within...

  • Page 53: Initialization Based On Nom Nominal Range

    Start-up – Settings Enter pin position: Enable configuration: Note: If no settings are entered within Pin position 120 seconds, the enabled configuration Default: No function becomes invalid. → Code 4 Turn Press , Code 4 blinks. Configuration enabled Default: No →...

  • Page 54: Initialization Based On Man Manually Selected Range

    Start-up – Settings Press Keep pressed down for 6 seconds. Initialization starts after the progress indica- Select initialization mode: tion has stopped. Note: After initialization, check the direction Initialization mode of action and, if necessary, change it Default: MAX (Code 7). →...
  • Page 55 Start-up – Settings Select initialization mode: Turn until the OPEN position of the valve is reached. Press to confirm the OPEN position. Initialization mode Default: MAX Enable configuration: Note: If no settings are entered within → Code 6 Turn 120 seconds, the enabled configuration Press , Code 6 blinks.

  • Page 56: Sub Substitute Calibration

    Start-up – Settings 7.5.4 SUB substitute calibration Configuration enabled A complete initialization procedure takes Default: No several minutes and requires the valve to move through its entire travel range several times. This initialization mode, however, is → Code 3, display: No Turn an emergency mode, in which the control Press...
  • Page 57 Start-up – Settings Select initialization mode: Change pressure limit and control parame- ters: Initialization mode Note: Do not change the pressure limit Default: MAX (Code 16). Only change the control param- eters K (Code 17) and T (Code 18) if the settings of the replaced positioner are →...
  • Page 58 Start-up – Settings → Code 0 Turn Press , Code 0 blinks. Blocking position Default: 0 → Init Turn Press . The setting of the fail-safe posi- tion AtO or AtC appears. → Code 34 Turn Keep pressed down for 6 seconds. Press , Code 34 blinks.

  • Page 59: Zero Calibration

    Start-up – Settings Zero calibration Press The positioner changes to automatic mode In case of discrepancies with the closing po- (AUTO). The current valve position is indi- sition of the valve, e.g. with soft-sealed cated in % on the display. plugs, it may become necessary to recalibrate the zero point.

  • Page 60: Application Type: Open/Close Valve

    Start-up – Settings Press Note: The travel range of open/close valves display: MAN, Code 0 blinks. is defined using the fail-safe position and the → Init Turn given Operating point. As a result, the fol- lowing parameters to define the operating Press range and the range of the reference vari- The setting of the fail-safe position AtO or...

  • Page 61: Setting The Application Type

    Start-up – Settings tomatic operation, the valve erance limit of step response’ for the partial ) moves to the Operating point. If stroke test to start. the set point then drops below the Limit After the partial stroke test is completed, the fail-safe position (Code 49 - h2), the valve valve moves back to its last position moves to the fail-safe position (0 % in the...

  • Page 62: Reset To Default Values

    Start-up – Settings Press , Code 49 blinks. Note: Code 36 - diAG allows just the diag- → h0 Turn nosis data (EXPERTplus) to be reset. Refer to EB 8389S on EXPERTplus valve diagnostics. Press . Code h0 blinks → YES (open/close valve)/No Turn (control valve) Press...

  • Page 63: Operation

    Operation You can now configure codes one after the Operation other: Turn and select the required code. WARNING! The actuator stem moves while the positioner Press to access the selected code. The is being operated. code number starts to blink. Do not touch the actuator stem or obstruct it Turn and select the setting.

  • Page 64: Operating Modes

    Operation Operating modes Adjust the manual reference variable 8.2.1 Automatic (AUTO) and manual (MAN) modes After initialization has been completed suc- cessfully, the positioner is in automatic mode → Code 1 Turn (AUTO). Press , Code 1 blinks. Turn until sufficient pressure has been Automatic mode built up in the positioner and the control valve moves to the required position.

  • Page 65: Fail-Safe Position (Safe)

    Operation 8.2.2 Fail-safe position (SAFE) Malfunction/maintenance alarm If you want to move the valve to fail-safe po- sition determined during start-up (see sec- All status and fault alarms are assigned to a tion 7.4), proceed as follows: classified status in the positioner. The default settings of the status classification are listed in the code list.

  • Page 66: Confirming Error Messages

    Operation Fault alarm output Out of specification The positioner is operated outside speci- The “Maintenance alarm” as the condensed fied operating conditions. state causes the optional fault alarm output to be switched. Note: If an event is assigned to the “No The “Function check”...

  • Page 67: Maintenance

    Maintenance Maintenance Servicing explosion- protected devices The positioner does not require any mainte- nance. If a part of the positioner on which the ex- There are filters with a 100 µm mesh size in plosion protection is based needs to be ser- the pneumatic connections for supply and viced, the positioner must not be put back output which can be removed and cleaned,...

  • Page 68: Code List

    Code list Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. Operating mode AUtO Automatic mode [MAN] Manual mode AUtO · SAFE SAFE Fail-safe position Escape...
  • Page 69 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. The follower pin must be inserted into the correct pin position ac- Pin position cording to the valve travel/angle of rotation.
  • Page 70 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. Direction of action w/x Direction of action of the reference variable w in relation to the travel/angle of rotation x (increasing/increasing or in- [ää] creasing/decreasing).
  • Page 71 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. Limitation of the travel/angle of rotation upwards to the entered Travel/angle upper limit (upper x-limit) value.
  • Page 72 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. If reference variable w reaches the percentage adjusted that Setpoint cutoff decrease (final position w <) causes the valve to close, the actuator is immediately completely vented (with AIR TO OPEN) or filled with air (with AIR TO 0.0 to 49.9 [1.0] %...
  • Page 73 0 to 9 [0] Linear Equal percentage Reverse equal percentage SAMSON butterfly valve linear SAMSON butterfly valve equal percentage VETEC rotary plug valve linear VETEC rotary plug valve equal percentage Segmented ball valve linear Segmented ball valve equal percentage User-defined (defined over operating software) Note: The various characteristics are listed in the Appendix (sec- tion 13.1).
  • Page 74 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. Limit value of total valve travel. If the limit is exceeded, the fault Limit of total valve travel alarm and the wrench icons appear on the display.
  • Page 75 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. Testing the software limit switches alarm A1 and A2 as well as Alarm test the fault alarm contact A3.
  • Page 76 Position transmitter indicates whether the position transmitter option is installed. [No] YES Inductive alarm TROVIS SAFE 3731-3 does not have an optional inductive alarm. System deviation e Deviation from the target position (e = w – x) –99.9 to 999.9 %...
  • Page 77 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. Time [s] needed by the system (positioner, actuator and valve) to Minimum transit time OPEN move through the nominal travel/angle to open the valve (100 % 0 to 240 s [0 s] position).
  • Page 78 Code list Parameter – Display, values Code Description [default setting] Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration. When the write protection function is activated, device data can Write protection HART ®...
  • Page 79 Code list Initialization errors Error codes – Recommended action Condensed state message active, when prompted, Err appears. When fault alarms exist, they are displayed here. x > range The value supplied by the measuring signal is either too high or too low, the measuring sensor is close to its mechanical limit.
  • Page 80 Code list Error codes – Recommended action Condensed state message active, when prompted, Err appears. When fault alarms exist, they are displayed here. The initialization routine lasts too long. Initialization time exceeded (Init time >) • No pressure on the supply line or there is a leak. •...
  • Page 81 Code list Operational errors Error codes – Recommended action Condensed state message active, when prompted, Err appears. When fault alarms exist, they are displayed here. Control loop Control loop error, the control valve does not react within the tol- erable times of the controlled variable (tolerance band alarm Code 19).
  • Page 82 Status classification [Maintenance required] Recommended action Return the positioner to SAMSON AG for repair. The reference variable w is lower than 3.7 mA. This message oc- w too low curs whenever the power source that drives the positioner does not comply with the standard.
  • Page 83 Additional alarm at the fault Valve moves to the fail-safe position. alarm output Status classification Maintenance alarm (cannot be classified) Recommended action Return the positioner to SAMSON AG for repair. Test calculation The hardware controller is monitored by means of a test calculation.
  • Page 84 Additional alarm at the fault alarm output Status classification [Maintenance required] Recommended action Return the positioner to SAMSON AG for repair. Parameter errors that are not critical for the control. General parameters Status classification [Maintenance required] Recommended action Confirm error.
  • Page 85 Status classification Maintenance alarm (cannot be classified) Recommended action Interrupt current and restart positioner. Otherwise, return the positioner to SAMSON AG for repair. Options parameter Errors in options parameters Status classification [Maintenance required] Recommended action Return the positioner to SAMSON AG for repair. EB 8387-3S EN...
  • Page 86 Code list Diagnosis errors Error codes – Recommended action Condensed state message active, when prompted, Err appears. When fault alarms exist, they are displayed here. Diagnostic alarms Error messages are generated in the extended EXPERTplus diag- nostics (refer to EB 8389S on EXPERTplus valve diagnostics) Status classification Maintenance required (cannot be classified) Diagnostic parameters Errors that are not critical for control.

  • Page 87: Dimensions In Mm

    Dimensions in mm Dimensions in mm Pressure or connecting plate gauge (G ¼ only) bracket Attachment acc. to IEC 60534-6 → Lever in mm S = 17 M = 50 L = 100 XL = 200 Electrical connections: Direct 2 x female thread attachment →...
  • Page 88 Dimensions in mm Output Y Output Y Supply (9) Output Y Output Y Type 3710 Reversing Ø 101 Amplifier Output A1 Supply (9) Output A2 Reversing amplifier 1079-1118 or 1079-1119 (option) Ø 101 Fig. 16b · Attachment to rotary actuators VDI/VDE 3845 (Sept. 2010), level 1, size AA1 to AA4 EB 8387-3S EN...

  • Page 89: Fixing Levels According To Vdi/Vde 3845 (September 2010)

    Dimensions in mm 12.1 Fixing levels according to VDI/VDE 3845 (September 2010) Level 2 (bracket surface) Level 1 (actuator surface) Actuator Dimensions in mm ∅d ∅D* Size 5.5 for M5 5.5 for M5 5.5 for M5 5.5 for M5 ØD 5.5 for M5 6.5 for M6 * Flange type F05 according to DIN EN ISO 5211...

  • Page 90: Appendix

    Appendix Appendix 13.1 Selecting the valve characteristic The characteristics that can be selected in Code 20 are shown in following in graph form. Note: A characteristic can only be defined (user-defined characteristic) using a workstation/ operating software (e.g. TROVIS-VIEW). Linear (select characteristic: 0) Travel/ angle of rotation [%] Reference variable [%] Equal percentage (select characteristic: 1)
  • Page 91 SAMSON butterfly valve linear SAMSON butterfly valve equal percentage (select characteristic: 3) (select characteristic: 4) Travel/ angle of rotation [%] Travel/ angle of rotation [%] Reference variable [%] Reference variable [%] VETEC rotary plug valve linear VETEC rotary plug valve equal percentage...
  • Page 92 EB 8387-3S EN...
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  • Page 99 Index Connections Index electrical ....36 - 37, 41 pneumatic ....34 Accessories.
  • Page 100 Appendix Supply pressure....35 Maintenance..... 66 Malfunction.
  • Page 101 EB 8387-3S EN...
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  • Page 104 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 8387-3S EN Internet: http://www.samson.de...

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Trovis safe 3731 series

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