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EB 8389-1S EN

29

Valve signature

−

'Detected lower spring range value': Sig

-

nal pressure p

out

when the actuator is

filled with the minimum amount of air

−

'Detected upper spring range value': Sig

-

nal pressure p

out

when the actuator is

filled with the maximum amount of air

The 'Valve signature canceled' message is

generated if the test is canceled.

Start-up > Initialization result

−

Valve signature canceled (Code 81):

, , ,

The 'Test status' reading indicates the reason

why the test was canceled:

−

No supply pressure: The supply pressure
was under 500 mbar during the test.

−

Valve moved too quickly. Recommended
action: Increase sensitivity

−

Position at p

max

not reached (filling with

air):
(1) Even though the pressure was in-

creased in steps from 0 bar to the maxi

-

mum amount of air for filling the actua

-

tor, the valve was not able to reach the
maximum position in closed-loop opera-
tion.
(2) The minimum valve position without

tight-closing is below 96 %.

Recommended action: Increase supply
pressure.

−

Position at p

min

not reached (venting):

(1) Even though the pressure was re-
duced in steps from the maximum

amount of air for filling the actuator, the

valve was not able to reach the minimum

position in closed-loop operation. The
valve might be jammed.
(2) The minimum valve position without

tight-closing is above 4 %.

−

Time-out

−

Double-acting actuator

−

Internal error

−

Current too low

−

Internal solenoid valve/forced venting
triggered

−

SUB initialization

4.2

Valve signature, signal

pressure(x)

The positioner records the data for filling and

venting the actuator during closed-loop op-
eration. The recorded data can be directly
compared with the reference graph. Addi-
tionally, the minimum, maximum and current
supply pressure are shown in the graph.
Data are recorded in the background re-
gardless of the operating mode selected

if a

reference graph has already been plotted

.

Data logging does not need to be activated.

Note:

The positioner determines the mini-
mum and maximum supply pressure
while plotting the reference graph. The
current supply pressure may fall below
the minimum supply pressure and ex-
ceed the maximum supply pressure.

Defining parameters

1. Record reference graph.

u



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Содержание TROVIS SAFE 3730 Series

Страница 1: ...Operating Instructions EB 8389 1S EN Firmware version 1 1x Edition May 2015 Series 3730 TROVIS SAFE 3730 6 Electropneumatic Positioner EXPERTplus Valve Diagnostics...

Страница 2: ...if not avoided will result in death or serious injury WARNING Hazardous situations which if not avoided could result in death or seri ous injury NOTICE Property damage message or mal function Note Ad...

Страница 3: ...r signal pressure 23 3 2 3 Triggered by binary input 24 3 2 4 Triggered by internal solenoid valve forced venting 25 3 2 5 Triggered by set point or internal solenoid valve forced venting 25 4 Valve s...

Страница 4: ...erence 57 9 2 Short term monitoring 62 9 2 3 Resetting single status messages 63 9 3 Long term monitoring 63 9 3 1 Resetting single status messages 63 9 4 Sound level x 64 9 4 2 Resetting single statu...

Страница 5: ...88 14 1 Analysis and monitoring 90 15 Binary input 91 16 Dynamic HART variables 93 17 Appendix 95 17 1 Code list 95 17 2 Error messages and recommended corrective action 102 17 3 Diagnostic data poin...

Страница 6: ...ion required for monitoring Travel histogram u Section 6 Set point deviation histogram e u Section 7 Cycle counter histogram u Section 8 Course of end position u Section 10 Configuration required for...

Страница 7: ...IEW 4 DD DTM eDD EXPERTplus allows the parameters to be viewed or changed using the TROVIS VIEW 4 software or DD DTM eDD TROVIS VIEW 4 SAMSON operator inter face used to configure various SAMSON de vi...

Страница 8: ...ing valve signature Yes No Later recording of reference graphs Operating mode MAN Zero Valve signature D1 Valve signature D1 All reference values are overwritten Code 81 Code 81 Not successful Success...

Страница 9: ...nstructions u EB 8384 6S EN The monitoring of friction supply pressure leakage actuator springs course of end po sition and zero point shift requires additional reference tests of the valve signature...

Страница 10: ...ocess The positioner follows the set point to po sition the valve A classified status alarm or fault alarm is generated if the posi tioner detects an event 2 Dynamic tests Similar to the monitoring fu...

Страница 11: ...ehaves differ ently in the automatic mode AUTO Control valve The positioner uses the set point to posi tion the valve The valve position current position ap pears in on the display On off valve Discre...

Страница 12: ...riable range u 6 on page 41 Set point deviation histogram Manipulated variable range limitation Seat leakage Positioner valve linkage Average set point deviation u 7 on page 44 Cycle counter histogram...

Страница 13: ...n the posi tioner itself or in one of its peripherals or an initialization has not yet been suc cessfully completed You can view these messages in TROVIS VIEW 4 in the Diagnostics folder Monitor ing a...

Страница 14: ...iagnos tic data Code 48 h3 The setting 00 00 00 causes the resetting at regu lar intervals to be deactivated Reset start up parameters Code 36 Std Parameters are reset as described in uSection 17 4 Re...

Страница 15: ...alues YES YES YES YES Short term monitoring Sampling time and measured values YES YES YES YES Set point deviation e histogram Measured values YES YES YES YES Short term monitoring Sampling time and me...

Страница 16: ...pling time and Max test duration parameters Alarm settings NO See uSec 17 4 Status classification according to NAMUR 107 NO NO NO YES All logged messages see u Section 2 2 YES NO YES YES Operating hou...

Страница 17: ...Note The condensed state is marked by until the positioner data have been up loaded The condensed state can be read in the posi tioner display in Code 48 d6 See u Table 3 Condensed state at the fault...

Страница 18: ...d ditionally logged when the time entered in Min interval for new logging of inter nal solenoid valve has elapsed between the generation of two Internal solenoid valve forced venting supply pressure m...

Страница 19: ...of end position Positioner valve linkage Manipulated variable range Change in manipulated variable range In this case only the original hardware error is logged x range Code 50 Internal solenoid valve...

Страница 20: ...ition Trigger value Trigger band Trigger condition Trigger lead time Sampling time 100 measured val ues w x e pout Start 1 PROCESS Trigger event Logged by operating hours counter Measured values w x e...

Страница 21: ...wing events occurs Failure of power supply of the posi tioner Failure of power supply of the exter nal solenoid valve 3 1 Permanent data logging The measured variables are logged at the rate defined i...

Страница 22: ...values before the triggering event for the time se lected being included in the 100 measured values per measured variable The Trigger lead time may include the value 100 x Sampling time at the maximum...

Страница 23: ...e undercut Lower band limit Trigger value Trigger band Trigger value Trigger band w x y e The conditions for starting a trigger event are met when the value falls below the limit Trigger value Trigger...

Страница 24: ...nd 0 0 to 100 0 99 0 set point valve position set point deviation 0 0 to 10000 0 1 s 99 0 1 s drive sig nal Trigger lead time 0 0 s to 100 x Sampling time 20 0 s Trigger condition Decreasing signal lo...

Страница 25: ...set point or internal solenoid valve forced venting This setting is only active when an internal solenoid valve forced venting is installed in the positioner See Internal solenoid valve forced venting...

Страница 26: ...ssification NE 107 Status classification NE 107 Zero Spring pre load ing Supply pressure Change in friction x0 ZPInit Zero limit x0 Zero limit Reduced spring pre loading Too low Not available Perm lim...

Страница 27: ...which is adjustable between 0 and 100 in the Device settings fold er Alarm settings The positioner generates the Pneumatic leakage message whenever the leakage ex ceeds this limit value No message is...

Страница 28: ...each logging Defining parameters The reference graph is automatically plotted after initialization when Initialization includ ing valve signature Yes Start up Initialization including valve signature...

Страница 29: ...n at pmin not reached venting 1 Even though the pressure was re duced in steps from the maximum amount of air for filling the actuator the valve was not able to reach the minimum position in closed lo...

Страница 30: ...4 2 1 Analysis and monitoring If the monitoring line has a smaller gradient than the reference line this pinpoints to a re duced compression of the actuator springs Diagnostics Monitoring Actuator Def...

Страница 31: ...nd Upper limit the corresponding limit must be acti vated first The limits are automatically deter mined while the valve signature is being plotted Alternatively user defined limits can be entered Def...

Страница 32: ...pressure exceeds the Lower limit Permissible limit exceeded if the supply pressure exceeds 7 0 bar A fluctuating supply pressure is recognized by the positioner whenever the supply pres sure continuo...

Страница 33: ...ady been plotted Data logging does not need to be activated Defining parameters 1 Record the reference graph See u Sec tion 4 1 2 Select classification for status messages See uSection 4 2 1 2 Device...

Страница 34: ...reases to more than double of the reference friction the friction is regarded to be higher If the friction at a fixed point drops to less than half of the reference friction the friction is regarded t...

Страница 35: ......

Страница 36: ...ng Final travel angle value not reached Final travel angle value increasing decreasing Define parameters for partial stroke test see u Section 12 On off diagnosis Discrete set point analysis PST First...

Страница 37: ...point The valve moves back to the fail safe position 0 in the example if the set point then falls below Fail safe action limit Operating point Operating point limit Fail safe action limit Fail safe p...

Страница 38: ...12 1 Start up Type of application Code 49 h0 On off valve 2 Device settings Positioner Transfer characteristic on off Operating point Code 49 h1 0 0 to 100 100 Fail safe action limit Code 49 h2 0 0 t...

Страница 39: ...the amount entered in Travel time assess ment limit The current Transit time increasing dif fers from the reference value by the amount entered in Travel time assess ment limit The current Transit tim...

Страница 40: ...ues are reset by selecting and executing Reset measured On off valve values The positioner saves the reference analysis and two further test analyses The analysis of the oldest test is deleted when an...

Страница 41: ...l oc curred within a valve position class is shown in a bar graph Mean value Average class assignment of valve positions throughout Monitoring duration Number of measurement points Total number of val...

Страница 42: ...toring period begins No analysis is performed for on off valves If the control valve mainly works during the monitoring duration near or in one of the end positions the positioner generates the Manipu...

Страница 43: ...By selecting and executing the command Reset Short term valve position x histo gram the diagnostic parameters and mea sured data in the Short term monitoring folder are reset Diagnostics Service main...

Страница 44: ...ation remained within a class is shown in a bar graph Mean value Average class assignment of set point deviation throughout Moni toring duration Number of measurement points Total number of values rec...

Страница 45: ...reater than 1 follow ing in quick succession pinpoint to a limita tion of the upper operating range In this case the positioner generates the Manipu lated variable range limitation and Posi tioner val...

Страница 46: ...viation e histogram By selecting and executing the Reset Set point deviation e histogram command all diagnostic parameters and measured data of the histogram and the short term monitor ing are reset B...

Страница 47: ......

Страница 48: ...NE 107 External leakage possibly to be expected soon PROCESS Determining the cycle spans t s x 1 2 3 4 Determining the cycle height t s x 1 2 3 4 Dynamic stress factor Dynamic stress factor Dynamic st...

Страница 49: ...e two changes in direction is the cycle span The positioner records the cycle height when the Stem seal setting is set to Bellows seal The cycle height is the travel performed be tween two changes in...

Страница 50: ...ber of measured cycle spans ex ceeds 450000 when Live loaded is se lected as the stem seal The number of measured cycle spans ex ceeds 180000 when Adjustable is se lected as the stem seal The number o...

Страница 51: ......

Страница 52: ...2 Successful Phase 1 Successful Reset Leakage sensor manufacturer reference Reset Leakage sensor process reference Alarm settings Response time preset alarm limits Status classification NE 107 Alarm l...

Страница 53: ...eakage sensor 1 A leakage sensor is mounted to the valve Refer to the standard mounting and operating instructions of the posi tioner u EB 8384 6 EN 2 The leakage sensor option has been se lected 3 Th...

Страница 54: ...ile the manufacturer reference test is run ning the parameters listed below are auto matically deactivated Activate CLOSED end position Activate ramp function Phase 1 The valve moves to eleven defined...

Страница 55: ...the Sensitivity sound level is not reached after the valve has moved to all eleven newly defined points then the change in sound pressure level is too low In this case phase 3 starts Phase 2 not succe...

Страница 56: ...points must continuously increase from Set point 1 to Set point 11 The valve moves to the set points in steps of 0 1 Set points must be rounded up to two decimal places User defined settings can be sa...

Страница 57: ...ossible to perform the process ref erence test the user defined alarm limits can be entered See u Section 9 1 2 2 While the process reference test is running the parameters listed below are automatica...

Страница 58: ...self is subdivided into eleven fixed points Each fixed point is located at a distance of 0 03 to the next point The valve moves to the new fixed points one after the other After reach ing a fixed poin...

Страница 59: ...255 dB 10 dB Edit set points 0 00 to 100 00 1 0 00 2 0 10 3 0 20 4 0 03 5 0 04 6 0 05 7 0 06 8 0 07 9 0 08 10 0 09 11 1 00 3 Start process reference Note By selecting and executing Cancel ref erence...

Страница 60: ...ser defined settings can be selected When user defined limits are entered the alarm limits must rise continuously from Alarm limit 1 to Alarm limit 3 During closed loop operation the mean sound levels...

Страница 61: ...larm limit 2 exceeded Alarm limit 3 exceeded 1 On selecting the alarm limit User defined we recommend checking the correct setting of the alarm limits using an operating time of one to three months ba...

Страница 62: ...our recorded sound levels If this value deviates from the previous mean value by Sensitivity sound level the new mean value is saved in the short term moni toring The last Mean value recorded in the s...

Страница 63: ...d level trend over a long pe riod of time the long term monitoring con tains all the mean values saved in the short term monitoring since the last reset Mean value The average sound level calculated f...

Страница 64: ...tion showing how often the sound level oc curred within a valve position class is shown in a bar graph Data are recorded in the background re gardless of the operating mode selected Da ta logging doe...

Страница 65: ......

Страница 66: ...re complete u Section 4 1 NO YES First zero point Reference Subsequent zero calibration over Code 6 ZP Zero calibration Zero shifted monotonically increasing decreasing alternating Status classificati...

Страница 67: ...stamp by the operat ing hours counter when the valve moves to the lower end position The new recorded valve position is compared to the last saved zero point If it differs by the Recording threshold...

Страница 68: ...course of end position graph Note If the reference value has been reset by selecting and executing Reset Reference values for course of lower end position see u Section 2 1 1 the first zero point that...

Страница 69: ...The step height is determined automatically from the number of measured values No until re versing and the defined test range The as cendent and descendent are plotted within the test range The respo...

Страница 70: ...0 s No until reversing 1 to 50 3 Start test Note Cancel the test by right clicking Can cel test and selecting Execute or by pressing the rotary pushbutton at the positioner After the test has been can...

Страница 71: ......

Страница 72: ...me The valve has not reached the Stop position before Perm time until step end has elapsed The valve position has fallen below the monitoring value The signal pressure change has exceeded or fallen be...

Страница 73: ...een overcome it can be assumed that the valve is able to completely close Record ing the test results additionally allows an analysis of the dynamic control response The partial stroke test can be per...

Страница 74: ...hange before performing a second step change in the opposite direction from Stop to the operating position The Sampling time defines the time interval be tween which the measured values are re corded...

Страница 75: ...the change in signal pressure exceeds or falls below the reference val ue The reference value is made up of p out reference value and p out moni toring value This cancelation condition only becomes ef...

Страница 76: ...is too low After recording 100 measured values per variable logging is stopped but the test continues until it is completed After the partial stroke test is canceled the PST status reading indicates N...

Страница 77: ...0 3 Device settings Alarm settings Status classification PST FST x cancelation p out cancelation Tolerance band exceeded Max test duration exceeded Test canceled manually Measured data memory full Can...

Страница 78: ...ing time The Recommended min sampling time is calculated from the Ex pected duration of test 12 1 Start triggered by the set point The partial stroke test of on off valves is trig gered when the set p...

Страница 79: ...ith a time stamp in the PST measured data assessment folder A graph of the last partial stroke test is shown in the Partial stroke test PST folder Test completed successfully When a partial stroke tes...

Страница 80: ...omplet ed successfully 12 4 Resetting single status mes sages The diagnostic parameters and measured data analysis of the partial stroke test are re set by selecting and executing the command Reset PS...

Страница 81: ...Automatic Automatic Control valve Automatic mode AUTO Not possible Not possible Not possible Manual mode MAN Possible Not possible Possible On off valve Automatic mode AUTO Possible Possible Possible...

Страница 82: ...ime Perm time until CLOSED position Status classification PST FST Solenoid valve triggered forced venting active Control loop error Set point start difference too high Current too low Supply pressure...

Страница 83: ...l can be performed either in steps or in a ramp function Fig 20 For the test in a ramp function additionally the times for the increasing and decreasing ramps need to be defined After being activated...

Страница 84: ...reached Max breakaway time The test is can celed when the time entered in Settling time before starting test has elapsed and the valve has still not changed its posi tion This cancelation condition o...

Страница 85: ...is canceled the FST status reading indicates Not successful The reason for cancelation is marked by the Failure message in the Measured data as sessment folder Current test Defining parameters 1 Switc...

Страница 86: ...me exceeded Perm time until CLOSED position exceeded Canceled by supply pressure 4 Diagnostics Monitoring tests Dynamic tests Full stroke test FST Start test Note concerning setting the FST diagnostic...

Страница 87: ...test is used as the new reference measurement Activate ramp function Ramp time increasing Ramp time decreasing Waiting time after step change Test not completed If the test was not completed the reas...

Страница 88: ...the valve to move to its fail safe position Monitoring of the input signal The i p converter is switched off when the input signal of the positioner at terminals 11 12 falls below 3 8 mA or 4 4 mA de...

Страница 89: ...rter 17 Actuation of solenoid valve 5 Microcontroller 18 Electrical insulation 6 i p converter 19 D A converter 7 Air capacity booster 20 Communication interface 8 Pressure regulator 21 HART connectio...

Страница 90: ...t up Type of application Code 49 h0 Control valve 3 Diagnostics Service maintenance SIL operator test Start SIL operator test 14 1 Analysis and monitoring SIL operator test completed successfully OK a...

Страница 91: ...e manual mode or fail safe position mode Switch AUTO MAN The positioner changes from the auto matic mode to the manual mode or vice versa This function is not performed if the positioner is in the fai...

Страница 92: ...ng contact 0 24 V Select function Transmit switching state Activate local write protection Start PST Move valve to safety set point Switch AUTO MAN Start data logger Reset diagnostics Binary input con...

Страница 93: ...Secondary variable assignment Set point Direction of action set point Set point after transit time specification Valve position Set point deviation e Absolute total valve travel Binary input status I...

Страница 94: ...forced venting status 0 De energized 1 Energized 2 Not installed Condensed state 0 No message 1 Maintenance required 2 Maintenance request 3 Failure 4 Out of specification 7 Function check Temperature...

Страница 95: ...Read only The number of zero calibrations performed since last initialization d4 No of initializations Read only Number of initializations performed since last start with default values d5 Zero limit...

Страница 96: ...acting ELSE Other Diagnostic parameters h h0 Initialization including valve signature No YES ESC Initialization with YES or without No plotting the valve signature The valve signature involves the sig...

Страница 97: ...test range Lower range value Code 49 d2 to Upper range value Code 49 d3 and back again in a ramp or in steps Recorded variables time set point valve position set point devia tion control signal A1 Tim...

Страница 98: ...value p_out reference value Code 49 A7 and the p_out monitoring value d Step parameters for the partial stroke test PST d0 d1 Unassigned d2 Lower range value 0 0 to 100 0 ESC Start value of the test...

Страница 99: ...g time after step change 1 0 to 240 0 s 2 0 s ESC Waiting time between step change from Lower range value Code 49 d2 to Upper range value Code 49 d3 and vice ver sa d9 Sampling time 0 2 to 250 0 s 0 8...

Страница 100: ...ring value Code 49 E1 F3 p_out cancelation The test was canceled The signal pressure change p_out exceeded or fell below the ref erence value F4 Tolerance band ex ceeded The valve position deviation e...

Страница 101: ...move to the fail safe position h3 Lower limit to start test 25 0 of the set point If the set point is between Lower limit to start test 25 and Fail safe action limit Code 49 h2 the valve remains in it...

Страница 102: ...Proportional action coefficient Kp level lower than 3 was detected dur ing initialization Activate volume restriction in positioner output x signal Code 62 Actuator s measured value re cording failed...

Страница 103: ...nd pressure limit Re initialize positioner Attachment Code 52 Wrong lever mounted Supply pressure too low valve cannot be moved to desired po sition Nominal range could not be reached during nominal r...

Страница 104: ...ng actuators For your information only No fur ther action required Valve signature canceled Code 81 Error while recording valve signature Refer to section Restart the valve signature record ing or sta...

Страница 105: ...itation The working range is limited at upper or lower range value The valve is jammed Check that pneumatic installa tions and connections are tight Check supply pressure Check plug stem for external...

Страница 106: ...Diagnostics Monitoring PST FST status Status Code 84 The partial stroke test or the full stroke test has not been completed successfully Read test status See section 12 13 On off valve Code 85 The bre...

Страница 107: ...eference assessment Assessment Valve position x histogram Diagnostic parameters Measured data in histogram Set point deviation e histogram Diagnostic parameters Measured data in histogram Cycle counte...

Страница 108: ...cle count is set to 1000000 Start up Fail safe action Air supply failure NO NO YES Power supply failure of positioner NO NO YES Power supply failure of external solenoid valve NO NO YES Emergency mode...

Страница 109: ...NO YES Preset alarm limits NO NO YES Alarm limits 1 to 3 NO NO YES Set points NO NO YES Device settings Positioner Attachment NO NO YES Inductive limit switch Code 38 NO NO NO Device settings Position...

Страница 110: ...is not displayed after resetting Parameters of the Transfer characteristic on off folder are reset to their default settings CLOSED end position Code 14 NO Activate OPEN end position Code 15 NO OPEN...

Страница 111: ...NO NO YES Pressure balancing NO NO YES Facing leakage class NO NO YES Friction coefficient of facing NO NO YES Bellows seal NO NO YES Valve seat diameter NO NO YES Kvs NO NO YES Kvs unit NO NO YES Plu...

Страница 112: ...edium NO NO YES Device settings Further accessories Filter regulator NO NO YES Reversing amplifier NO NO YES Booster NO NO YES Quick exhaust valve NO NO YES 3 2 way valve NO NO YES Choke valve NO NO Y...

Страница 113: ...lity factor NO NO YES Viscosity NO NO YES Flow coefficient NO NO YES Outlet velocity NO NO YES Relative travel angle NO NO YES Differential pressure ratio NO NO YES Sound pressure level NO NO YES Devi...

Страница 114: ...ressure NO NO YES Critical pressure NO NO YES Isentropic exponent NO NO YES Compressibility factor NO NO YES Viscosity NO NO YES Outlet velocity NO NO YES Flow coefficient NO NO YES Relative travel an...

Страница 115: ...tivate upper limit NO YES YES Upper limit NO YES YES Device settings Alarm settings Status classification Positioner All classifications NO NO YES Device settings Alarm settings Status classification...

Страница 116: ...le range limitation NO NO YES Course of end position NO NO YES Positioner valve linkage NO NO YES Manipulated variable range NO NO YES Change in manipulated variable range NO NO YES Partial stroke tes...

Страница 117: ...term monitoring Sensitivity sound level YES NO YES Diagnostics Monitoring tests Dynamic tests Valve dead band Lower range value YES YES YES Stop YES YES YES Waiting time after step change YES YES YES...

Страница 118: ...band monitoring Code 49 E5 NO YES YES PST tolerance band Code 49 E6 NO YES YES Diagnostics Monitoring tests Dynamic tests Full stroke test FST Tolerance limit NO YES YES Activate ramp function NO YES...

Страница 119: ...8389 1S EN 119 Appendix Abbreviations used e Set point deviation pout Signal pressure ps Supply pressure x Valve position x0 Valve position when the valve is tightly shut w Set point reference variab...

Страница 120: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 8389 1S EN 2015 05 29 English...

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