NAF 370991 NAF-LinkIT Intelligent Valve Controller, NAF 370991 k 41.85(11)GB 07.12 Primary characteristics - n , t e nte gent va ve contro er, s es gne to operate pneuma t c v a ve actua tors rom contr o syste ms n e ectr ca contro ers w t te ana og contro s gna -20 mA, optionally superimposed by the HART-com- munication signal. As an alternative, the digital operation by means of FoxCom, PROFIBUS-PA and FOUNDATIO N e us s poss e. NAF-LinkIT can also be integrated into system and app- lication that support FDT/DTM concept according to the spec caton . . or t s purpose t e requ re :s or , ro us an ox om are ava a e. e pos t oner as t e o owng e at ures: · Auto Start with self calibration · Self diagnosis · ommun cat on , ox om, - and FOUNDATION Fieldbus H1 · Configuration by means of local keys, hand-held ter m na , or sys tem · er y g a r ou tp ut ca pa c ty · ow a r con sumpt on · art cu ar y ow v rat on n uence n a rect ons · Angular range up to 95° · upp y a r pressure up to ar · Single or double-acting · o ust es gn w t transpa rent po yc ar on ate cov er. um n um cover as opt ona · nt eg ra te eacon stye n cat or · Mounting on rotary actuators according to VDI/or rect on actuators · rotect on c ass · Built-in independent inductive limit switches opt ona · utput or a r press ure sensors opt ona · Option boards for 4-20 mA feedback, two binary inputs or outputs (optional) · ressur e gauge oc opt ona Specification Type:NAF LinkIT, intelligent, electro-pneumatic, valve contro er, pro uc t co e no. - see page . unc on - n converts an ana og or g ta e ec- trical signal to a predetermined position for a pneumatic actuator. Control parameters and alarm limits can be configured y means o oca ey s, or on versons w t commun ca- ton , ox om, - an e us remote, wt an - e termna, , or system. With applicable software, NAF-LinkIT can also be used to prov e agnost cs o va ve con t on. pp ca on:an e mounte rect y on a act uat or , or with a mounting kit on other pneumatic rotary actua- tors. e spn e s ee ve o t e actua to r as a s ot to rece ve t e pos t oner sp n e. rver p n t en trans ers t e ro ta ry mot on rom t e ac tu ator to t e va ve pos - tioner . The driver pin is spring-loaded for transmission without backlash. esgn:- n as a very ro ust an rugge es gn ma e or se vere app ca t ons n t e process n ustry . e va ve contro er as a very g a r output capac ty to fit on large size actuators and valves. NAF-LinkIT is equipped with an integrated beacon indica- to r v s e t roug t e tran sp arent cover. e eacon as re n cator mar ngs or rotat on ang e.
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Primary characteristics- n , t e nte gent va ve contro er, s es gne to
operate pneumat c va ve actuators rom contro systemsn e ectr ca contro ers w t t e ana og contro s gna-20 mA, optionally superimposed by the HART-com-
munication signal. As an alternative, the digital operationby means of FoxCom, PROFIBUS-PA and FOUNDATION
e us s poss e.
NAF-LinkIT can also be integrated into system and app-lication that support FDT/DTM concept according to thespec cat on . . or t s purpose t e requ re :s or
, ro us an ox om are ava a e.
e pos t oner as t e o ow ng eatures:· Auto Start with self calibration
· Self diagnosis
· ommun cat on , ox om, -and FOUNDATION Fieldbus H1
· Configuration by means of local keys, hand-heldterm na , or system
· ery g a r output capac ty
· ow a r consumpt on
· art cu ar y ow v rat on n uence na rect ons
· Angular range up to 95°
· upp y a r pressure up to ar
· Single or double-acting
· o ust es gn w t transparent po ycar onatecover. um n um cover as opt ona
· ntegrate eacon sty e n cator
· Mounting on rotary actuators according to VDI/ or rect on actuators
· rotect on c ass
· Built-in independent inductive limit switchesopt ona
· utput or a r pressure sensors opt ona
· Option boards for 4-20 mA feedback, two binary
inputs or outputs (optional)
· ressure gauge oc opt ona
SpecificationType: NAF LinkIT, intelligent, electro-pneumatic, valvecontro er, pro uct co e no. - see page .
unc on - n converts an ana og or g ta e ec-trical signal to a predetermined position for a pneumaticactuator.Control parameters and alarm limits can be configuredy means o oca eys, or on vers ons w t commun ca-
t on , ox om, - ane us remote, w t an - e term na , , orsystem.With applicable software, NAF-LinkIT can also be used toprov e agnost cs o va ve con t on.
pp ca on: an e mounte rect y on a actuator,or with a mounting kit on other pneumatic rotary actua-tors.
e sp n e s eeve o t e actuator as a s ot torece ve t e pos t oner sp n e. r ver p n t en trans erst e rotary mot on rom t e actuator to t e va ve pos -tioner. The driver pin is spring-loaded for transmissionwithout backlash.
es gn: - n as a very ro ust an rugge es gnma e or severe app cat ons n t e process n ustry.
e va ve contro er as a very g a r output capac ty tofit on large size actuators and valves.NAF-LinkIT is equipped with an integrated beacon indica-tor v s e t roug t e transparent cover. e eacon asre n cator mar ngs or rotat on ang e.
- commun ca ongna range . . . . . . . . . . . . - mperat ng range . . . . . . . . . . - m
Voltage range of unloaded input signal. . . . . . . . . . . . DC12 to 48V
ax. oa . . . . . . . . . . . . . . Ω , . at mommun cat on s gna . . . , au ,
mo u ate on - m 0.5 Vpp at 1kW loadnput impedance Zi . . . . . Z =320Ω
for AC voltage 0.5 to 10kHz with <3 dB non-linearity. Cablecapac ty an n uctance see stan ar spec cat onse.g. < n .ote . . . . . . . . . . . . . . . . . ow vo tage contro
systems might havepro ems r v ng t e contros gna , use amp eropt ona
-F) With communication FoxCom/digitalnput signal . . . . . . . . . . . . digital
Supply voltage . . . . . . . . . .DC 13 - 48Vupp y current . . . . . . . . . .~ mommun cat on s gna . . ox om g., au
FSK modulated on supplyvoltage
nput mpe ance . . . . . . . . ~ Ω , - z
- commun ca on ox om ana oggna range . . . . . . . . . . . . - m
-P) With communication PROFIBUS-PAnput s gna . . . . . . . . . . . . g taupp y vo tage . . . . . . . . . . -perat ng current . . . . . . . . . m +- . m
(Base current)
Current amplitude. . . . . . . .+-8 mAau t current . . . . . .. . . . . ase current + m ymeans o n epen ent -sa ety c rcu t
Data transfer . . . . .. . . . . Acc. to PROFIBUS-PA profileclass B, based on EN 50170an part
- comun ca on e us-Input signal . . . . . . . . . . . . digitalSupply voltage . . . . . . . . . .DC 9 - 32VOperating current . . . . . . . .10.5 mA +-0.5 mA ase current
urrent amp tu e. . . . . . . .+- mFault current . . . . . .. . . . . Base current +4 mA by
measns of independent FDE-sa ety c rcu t
ata trans er . . . . .. . . . . pec cat on ev. .n - aster
Function blocks . . . .. . . . . AO, Transdeucer, Resource,PID (in preparation)
Output . . . . . . . . . . . . . . . 2 inductive proximitysensors acc. to orconnect on to a sw tc ngamplifier with an intrinsicallysafe control circuit
Current consumptionane c ear . . . . . . . . . . . . > , mane nterpose . . . . . . . . < m
or contro c rcu t w t t e o ow ng e ectr ca va uesSupply voltage . . . . . . . . . .DC 8V, Ri approx. 1 ohm
Residual . . . . . . . . . . . . . . < 10% p.p.erm ss e neres stance . . . . . . . . . . . . . < o m
- n uc ve m w cThree-wire systemInput . . . . . . . . . . . . . . . . . position measured
mec an ca yutput . . . . . . . . . . . . . . . . n uct ve prox m ty
Current consumptionVane clear . . . . . . . . . . . . . > 2,2 mA
ane nterpose . . . . . . . . < m
p ona ea ure-B) Built-in Pressure SensorsFor output air pressures to actuatorn cat ng range . . . . . . . . — arccuracy . . . . . . . . . . . . . . ,emperature n uence . . . , - -
Connection manifold with Gauges-M (Manifold with manometer-LEXG)atera attac ment to va ve contro er w t gaugesn cat ng range . . . . . . . . - arrror m t . . . . . . . . . . . . . ass .
Low-voltage regulation . . . 73/23EWG not applicable
a e yon y w t opt ona eature - , meta c cover
According to EN 61010-1(or IEC 1010-1) . . . . . . . . safety class III Overvoltage Category Interna uses. . . . . . . . . . not rep acea externa uses . . . . . . . . . m tat on o power supp es
- sp ay w t anguage ng s erman we s nc u e , or ot er anguages,contact sp ay s nc u e as stan ar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -
ux aryan o , gauges man o connec on 4 -
With three gauges for version double acting LEX 424744078 -M
Mounting kit for:- urnex, w en e vere toget er w t actuator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . nc u e- urnex, w en e vere separate y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
otary actuator acc. to w t mm s a t eg t - ,- . . . . . . . . . . . . . . . . .otary actuator acc. to w t mm s a t eg t - ,- . . . . . . . . . . . . . . . .
Rotary actuator acc. to VDI/VDE 3845 with 30 mm shaft height (79127X-270,-280) . . . . . . . . . . . . . . . . 34920652
ootnotesxposon protect on ony wt ectrca c ass caton
(2) Only with Optional Feature -D, metallic cover(3) Only with input /communication F, H, P and Q
(4) Not with inputs/communication E, F(5) Only with input/communication D, E(6) Only with electrical classification EAA.