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- Samson
- Valve Positioners
- 3730-0
- Mounting And Operating Instructions
Samson 3730-0 Mounting And Operating Instructions - page 36
36
EB 8384-0 EN
Connections
Actuator stem extends FA (air to open, ATO)
Fail-close(forglobeandanglevalves):
−
Requiredsupplypressure=Upperbench
rangevalue+0.2bar
−
Minimum1.4bar
Actuator stem retracts FE (air to close, ATC)
Fail-open(forglobeandanglevalves):
Fortight-closingvalves,themaximumsignal
pressurep
stmax
isroughlyestimatedasfol-
lows:
p
stmax
=F+
[bar]
d =Seatdiameter[cm]
∆p=Differentialpressureacrossthevalve
[bar]
A =Actuatordiaphragmarea[cm²]
F =Upperbenchrangeoftheactuator
[bar]
If there are no specifications, calculate as
follows:
Requiredsupplypressure=Upperbench
rangevalue+1bar
Note:
The signal pressure at the output (38)
of the positioner can be restricted to
approx. 2.4 bar at the DIP switch S5.
5.2 Electrical connections
DANGER!
Risk of fatal injury due to the forma-
tion of an explosive atmosphere.
−
The following regulation applies
to installation in hazardous areas:
EN 60079-14: 2008 (VDE 0165,
Part 1) Explosive Atmospheres –
Electrical Installations Design, Se-
lection and Erection.
NOTICE
−
Adhere to the terminal assign-
ment! Switching the assign-
ment of the electrical terminals
may cause the explosion pro-
tection to become ineffective.
−
Do not loosen enameled
screws in or on the housing.
−
The maximum permissible values
specified in the EC type examina-
tion certificates apply when inter-
connecting intrinsically safe electri-
cal equipment (U
i
or U
o
, l
i
or I
o
, P
i
or P
o
, C
i
or C
o
and L
i
or L
o
).
Summary of 3730-0
Page 1
Mounting and operating instructions eb 8384-0 en (1300-1609) edition august 2017 series 3730 type 3730-0 electropneumatic positioner.
Page 2
Definition of signal words danger! Hazardous situations which, if not avoided, will result in death or seri- ous injury warning! Hazardous situations which, if not avoided, could result in death or se- rious injury notice property damage message or mal- function note: additional information tip: rec...
Page 3
Contents eb 8384-0 en 3 1 important safety instructions ..........................................................................5 2 article code ...................................................................................................6 3 design and principle of operation ...................
Page 4
4 eb 8384-0 en contents 7.9 zeroadjustment ...........................................................................................42 7.10 gain ...........................................................................................................42 7.11 adaptingthetravel .......................
Page 5
Eb 8384-0 en 5 important safety instructions 1 important safety instructions foryourownsafety,followtheseinstructionsconcerningthemounting,startupandopera- tionofthepositioner: − thepositioneristobemounted,starteduporoperatedonlybytrainedandexperienced personnelfamiliarwiththeproduct.Accordingtothes...
Page 6: 2 Article Code
6 eb 8384-0 en article code 2 article code positioner type 3730-0 x 0 0 0 0 0 0 0 0 x 0 0 x 0 x x explosion protection without 0 atex: ii2gexiaiict6gb;ii2dexiaiiict80°cdb 1 fm/csa:classi,zone0aexiaiic;classi,ii,iii,div.1,groupsa-g; classi,div.2,groupsa-d;classii,div.2,groupsf,g/ exiaiict6;classi,zon...
Page 7: Ation
Eb 8384-0 en 7 design and principle of operation 3 design and principle of oper- ation theelectropneumaticpositionerismounted onpneumaticcontrolvalvesandisusedto assignthevalveposition(controlledvari- able x)tothecontrolsignal(referencevari- able w).Thepositionercomparestheelectric controlsignalofac...
Page 8: 3.1 Technical Data
8 eb 8384-0 en design and principle of operation dccontrolsignalcomingfromthecontrol system,e.G.A4to20 masignal. Incaseofasystemdeviation,theactivation ofthei/pconverter(6)ischangedsothat theactuatorofthecontrolvalve(1)ispres- surizedorventedaccordinglyoverthe downstreambooster(7).Thiscausesthe valv...
Page 9
Eb 8384-0 en 9 design and principle of operation type 3730-0 positioner (the technical data for explosion-protected devices may be restricted by the limits specified in the test certificates) characteristic linear,deviationfromcharacteristic≤1 % hysteresis ≤1% sensitivity ≤0.1% directionofaction sel...
Page 10
10 eb 8384-0 en design and principle of operation summary of explosion protection certificates for type 3730-0 positioner type certificate type of protection/comments -01 ectypeexamina- tioncertificate number ptb03.Atex2099 ii2gexiaiict6gb ii2dexiaiiict80°cdb date 2016-04-19 number ru c-de.08.B.0011...
Page 11
Eb 8384-0 en 11.
Page 12: Valve – Mounting Parts and
12 eb 8384-0 en attachment to the control valve – mounting parts and accessories 4 attachment to the control valve – mounting parts and accessories thepositionercanbemountedeitherdirectly tosamsontype 3277actuatorortocon- trolvalveswithcastyokesorrod-typeyokes accordingtoiec 60534-6(namur). Forattac...
Page 13
Eb 8384-0 en 13 attachment to the control valve – mounting parts and accessories note: the m lever is included in the scope of delivery. S, l, xl levers for attachment according to iec 60534-6 (namur) are available as accessories (see table 5 on page 33). The xxl lever is available on request. Table...
Page 14: 4.1 Direct Attachment
14 eb 8384-0 en attachment to the control valve – mounting parts and accessories 4.1 direct attachment 4.1.1 type 3277-5 actuator refer to table 3 on page 31 for the re- quired mounting parts and accessories listed with their order numbers. Refer to travel table on page 13. Actuator with 120 cm² dep...
Page 15
Eb 8384-0 en 15 attachment to the control valve – mounting parts and accessories 9 11 supply 9 output 38 5 6 4 7 6 10 10.1 3 2 1 15 6.1 1.1 1.2 14 8 symbols actuatorstem extends leftattachment rightattachment actuatorstem retracts switchoverplate(9) marking signalpressure inputforleft attachment sig...
Page 16: 4.1.2 Type 3277 Actuator
16 eb 8384-0 en attachment to the control valve – mounting parts and accessories 4.1.2 type 3277 actuator refer to table 4 on page 32 for the re- quired mounting parts and accessories listed with their order numbers. Refer to travel table on page 13. Actuators with 175 to 750 cm² effective ar- eas m...
Page 17
Eb 8384-0 en 17 attachment to the control valve – mounting parts and accessories 2 10 14 15 1 2 3 11 11.1 supply 13 b c 1.1 1.2 12 12.1 12 12.2 12.1 12 16 16 16 12.2 supply view a view b view c suppl y g g 3/8 a leverm cut-outof coverplate(10) actuatorstemextends actuatorstemretracts connection bloc...
Page 18: Iec 60534-6 (Namur)
18 eb 8384-0 en attachment to the control valve – mounting parts and accessories 4.2 attachment according to iec 60534-6 (namur) thepositionerisattachedtothecontrolvalve usinganamurbracket(10). Refer to table 5 on page 33 for the re- quired mounting parts and accessories listed with their order numb...
Page 19: Iec 60534-6 (Namur)
Eb 8384-0 en 19 attachment to the control valve – mounting parts and accessories 4.2 attachment according to iec 60534-6 (namur) thepositionerisattachedtothecontrolvalve usinganamurbracket(10). Refer to table 5 on page 33 for the re- quired mounting parts and accessories listed with their order numb...
Page 20: Vdi/vde 3847
20 eb 8384-0 en attachment to the control valve – mounting parts and accessories 4.3 attachment according to vdi/vde 3847 type3730-0x00000000x0060xxandtype 3730-0x00000000x0070xxpositionerswith airpurgingoftheactuator’sspringchamber canbeattachedaccordingtovdi/ vde 3847. Type3730-0x00000000x00x0xxpo...
Page 21: Vdi/vde 3847
Eb 8384-0 en 21 attachment to the control valve – mounting parts and accessories 4.3 attachment according to vdi/vde 3847 type3730-0x00000000x0060xxandtype 3730-0x00000000x0070xxpositionerswith airpurgingoftheactuator’sspringchamber canbeattachedaccordingtovdi/ vde 3847. Type3730-0x00000000x00x0xxpo...
Page 22
22 eb 8384-0 en attachment to the control valve – mounting parts and accessories 7. Insertthescrews(13.1)throughthemid- dleholesoftheadapterblock(13). 8. Place the connecting plate (12) together withtheseal(12.1)ontothescrews (13.1)correspondingtothefail-safeac- tion“actuatorstemextends”or“actuator ...
Page 23
Eb 8384-0 en 23 attachment to the control valve – mounting parts and accessories attachment to namur rib (see fig. 8) − requiredmountingpartsandaccesso- ries:table 6onpage 33 − observethetraveltableonpage 13. 1. Series 240 valves, actuator size up to 1400-60 cm²:screwthetwobolts(14) tothebracketofth...
Page 24
24 eb 8384-0 en attachment to the control valve – mounting parts and accessories 5. Inserttheformedseal(6.2)inthegroove oftheadapterbracket. 6. Inserttheformedseal(17.1)intothe turnboard(17)andmounttheturnboard totheadapterblock(13)usingthe screws(17.2). 7. Mounttheblankplate(18)totheturn- boardusin...
Page 25
Eb 8384-0 en 25 attachment to the control valve – mounting parts and accessories 6.2 6.1 6 4 6.3 5 1 2 16 3 3.1 11 18 18.1 13.1 13 17.2 17 17.1 10 3 exh. 19 20 14 14.1 1.1 1.2 15 fig. 8: attachment according to vdi/vde 3847 to a namur rib 1 lever 1.1 nut 1.2 diskspring 2 followerpin 3 followerplate ...
Page 26: Micro-Flow Valve
26 eb 8384-0 en attachment to the control valve – mounting parts and accessories 4.4 attachment to type 3510 micro-flow valve thepositionerisattachedtothevalveyoke usingabracket. Refer to table 5 on page 33 for the re- quired mounting parts and accessories listed with their order numbers. Refer to t...
Page 27
Eb 8384-0 en 27 attachment to the control valve – mounting parts and accessories 10.1 1 2 1.1 1.2 6.1 6 7 8 10 9 9.1 11 11.1 3 12.1 9.2 9.3 fig. 9: attachment to type 3510 micro-flow valve levers notice always use the connecting plate (6) included in the accessories to connect supply and output. Nev...
Page 28: 4.5.1 Reversing Amplifier
28 eb 8384-0 en attachment to the control valve – mounting parts and accessories the rule a 1 + a 2 = zapplies. A1: connect output a 1 totheloadingpres- sureconnectionontheactuatorthat causesthevalvetoopenwhenthepres- surerises. A 2 : connect output a 2 totheloadingpres- sureconnectionontheactuatort...
Page 29
Eb 8384-0 en 29 attachment to the control valve – mounting parts and accessories a 1 1.5 1.6 1.3 6.2 6 6.1 1.2 1.1 1 1.6 z a 2 1.4 a 1 a 2 z a 1 output 38 supply 9 output 38 supply 9 1.3 1.2 1.1 fig. 10: mounting a reversing amplifier (1079-1118 or 1079-1119) fromthepositioner controlsignalstotheact...
Page 30: Single-Acting Actuators
30 eb 8384-0 en attachment to the control valve – mounting parts and accessories connecting plate (stainlesssteel) g¼ ¼npt 1400-7476 1400-7477 pressuregauge bracket (stainlesssteel) g¼ ¼ npt 1402-0265 1400-7108 31totable 7applyforattachingposition- erswithstainlesssteelhousingswiththefol- lowingrest...
Page 31
Eb 8384-0 en 31 attachment to the control valve – mounting parts and accessories haustairmustalsobeincludedinthepurg- ingfunction.Theconnectionovertheadapt- eratthepositionermustbeprotectedwitha checkvalve(e.G.Checkvalveg¼,orderno. 8502-0597)mountedinthepiping.Other- wisethepressureinthepositionerho...
Page 32
32 eb 8384-0 en attachment to the control valve – mounting parts and accessories table 4: direct attachment of type 3277 (fig. 4) order no. Mounting parts standardversionforactuators175,240,350,355,700,750 cm² 1400-7453 versioncompatiblewithpaintforactuators175,240,350,355,700,750 cm² 1402-0941 acce...
Page 33
Eb 8384-0 en 33 attachment to the control valve – mounting parts and accessories table 5: attachment to namur ribs or control valves with rod-type yokes (20 to 35 mm rod diameter) according to iec 60534-6 (fig. 5) travel[mm] lever for actuator order. No. 7.5 s type 3271-5with60/120 cm²ontype 3510mic...
Page 34
34 eb 8384-0 en attachment to the control valve – mounting parts and accessories table 7: general accessories order no. Reversingamplifierfordouble-actingactuators type 3710 cablegland m20x1.5 blackplastic(6to12mmclampingrange) 8808-1011 blueplastic(6to12mmclampingrange) 8808-1012 nickel-platedbrass...
Page 35: 5 Connections
Eb 8384-0 en 35 connections 5 connections warning! Mount the positioner, keeping the fol- lowing sequence: − remove the protective film from the pneumatic connections. − mount the position- er on the control valve. − connect the supply air. − connect the electrical power. − perform the start-up sett...
Page 36
36 eb 8384-0 en connections actuator stem extends fa (air to open, ato) fail-close(forglobeandanglevalves): − requiredsupplypressure=upperbench rangevalue+0.2bar − minimum1.4bar actuator stem retracts fe (air to close, atc) fail-open(forglobeandanglevalves): fortight-closingvalves,themaximumsignal p...
Page 37
Eb 8384-0 en 37 connections selecting cables and wires observe clause 12 of en 60079-14 (vde 0165, part 1) for installation of the in- trinsically safe circuits. Clause 12.2.2.7 applies when running multi- core cables and wires with more than one in- trinsically safe circuit. The radial thickness of...
Page 38
38 eb 8384-0 en connections notice do not allow the input signal to fall below the lowest permissible value of 3.6 ma for positioner operation. Accessories: cable glands m20 x 1.5 order no. Blackplastic (6to12 mmclamping range) 8808-1011 blueplastic (6to12 mmclamping range) 8808-1012 nickel-platedbr...
Page 39: 6 Operation
Eb 8384-0 en 39 operation actuatorsymbolsforrightattachment actuatorsymbolsforleftattachment spanadjuster zero adjuster dipswitches volume restriction fig. 14: operating controls 6 operation 6.1 operating controls dip switches s1 to s10 thepositionerismainlyoperatedusingthe dipswitches,whichallowyou...
Page 40: 7 Start-Up and Settings
40 eb 8384-0 en start-up and settings 7 start-up and settings 7.1 default switch positions afterthepositionerhasbeenmountedonthe valve,allswitchess1 to s10mustbesetto off. 7.2 fail-safe position theswitchpositionofswitchs1dependson thefail-safepositionofthevalve: − air to open·whentheactuatoris vent...
Page 41: 7.4 Selecting The Travel
Eb 8384-0 en 41 start-up and settings 7.4 selecting the travel atswitchess2 and s3,selectthetravelthat comesclosesttotheratedvalvetravel,taking intoaccountthepinposition.Ifnecessary, performafinaladaptationasdescribedin section7.12. Pin posi- tion travel when span adjuster is set to 0 s2 off s3 off ...
Page 42: 7.9 Zero Adjustment
42 eb 8384-0 en start-up and settings 100% 0% 4 20 ma 12 4 20 ma 100% 0% open travel closed open travel closed referencevariable inputsignal valve1 valve2 deadband fig. 13: normal and split-range operation 7.8 connecting the positioner Î applythesupplyairtothepneumatic connection(supply9).Makesureth...
Page 43: Function
Eb 8384-0 en 43 maintenance Î turnthespanadjusteruntiltheplug stemmovesasfarasitwillgototheend position. 7.12 activating the tight-closing function havingadjustedzeroandspan,thetight- closingfunction(descriptiononpage 34) mustbeactivatedatswitchess9 and s10 to ensureatightvalveshut-off. Air to open ...
Page 44: 10 Dimensions In Mm
44 eb 8384-0 en dimensions in mm 10 dimensions in mm 40 58 58 58 34 210 28 14 80 164 86 70 15 46 34 76 50 supply (z) output (a 2 ) supply (9) output (38) output (a 1 ) a 1 z a 2 direct attachment attachment according to iec 60534-5 (namur) pressure gauge bracket or connecting plate levermm s= 17 m= ...
Page 45
Eb 8384-0 en 45 dimensions in mm attachment according to vdi/vde 3847totype 3277 attachment according to vdi/vde 3847toanamur rib 62 164 38 200 16 4 164 13 62 24 lever mm m =50 l =100 xl =200
Page 46
46 eb 8384-0 en dimensions in mm 80 52 output y 1 output y 2 supply (9) output y 1 output y 2 58 type3710reversingamplifier(optional).
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58 eb 8384-0 en samson aktiengesellschaft weismüllerstraße 3 60314 frankfurt am main telefon: 069 4009-0 · telefax: 069 4009-1507 e-mail: samson@samson.De revison 07 eu konformitätserklärung/eu declaration of conformity/ déclaration ue de conformité die alleinige verantwortung für die ausstellung di...
Page 59
Eb 8384-0 en 59 samson aktiengesellschaft weismüllerstraße 3 60314 frankfurt am main telefon: 069 4009-0 · telefax: 069 4009-1507 e-mail: samson@samson.De revison 07 eu konformitätserklärung/eu declaration of conformity/ déclaration ue de conformité die alleinige verantwortung für die ausstellung di...
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60 eb 8384-0 en samson aktiengesellschaft weismüllerstraße 3 60314 frankfurt am main telefon: 069 4009-0 · telefax: 069 4009-1507 e-mail: samson@samson.De revison 07 eu konformitätserklärung/eu declaration of conformity/ déclaration ue de conformité die alleinige verantwortung für die ausstellung di...
Page 61
Eb 8384-0 en 61 samson aktiengesellschaft weismüllerstraße 3 60314 frankfurt am main telefon: 069 4009-0 · telefax: 069 4009-1507 e-mail: samson@samson.De revison 07 eu konformitätserklärung/eu declaration of conformity/ déclaration ue de conformité die alleinige verantwortung für die ausstellung di...
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Page 64: Eb 8384-0 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 eb 8384-0 en 2017-12-04 · engl ish.