Series AV1 / 2 / 4 Characterizable pneumatic positioners

Transcription

1 Data sheet DS/AV24 EN Rev. H Series AV / 2 / 4 Analog pneumatic and electro-pneumatic positioners built on proven performance for demanding process conditions Measurement made easy Proven pilot valve increased reliability minimizes downtime and maintenance costs High capacity fast response with high air delivery capacity Performance Series high flow gain pilot valve body achieves maximum flow capacity at small error signal Position transmitters optional integrated 4 to 2 ma position transmitter Compact rugged design NEMA 4X version available Fast, accurate calibration independent zero and span adjustments Single or double-acting without additional hardware controls single and double-acting, linear and rotary actuators AV positioner fail-safe with pneumatic input signal AV2 positioner fail-safe with ma input signal AV27 positioner fail-safe with ma input signal with explosion-proof I/P converter AV44 positioner fail-in-place with pulse input High vibration and shock environments withstands vibration and shock at frequencies to 2 Hz and accelerations to 2 G

2 Series AV / 2 / 4 Type AV characterizable pneumatic positioners are control devices that satisfy a wide range of applications. They provide fast, sensitive, and accurate positioning of pneumatic singleor double-acting, linear or rotary motion actuators. A mechanical connection from the actuator to a position feedback cam in the positioner establishes actual position. Three characterized segments on one cam provide application flexibility by establishing various relationships between input signal and actuator position. The relationships provided by the segments are square root, linear, and square. Using the cam and the zero, span and gain adjustments, the actuator responds with characteristics specific to an application. An optional manifold assembly provides an integral shutoff and equalizing valve. This isolates the positioner from a double-acting actuator (with manual override) without removing the positioner from the process. The manifold also provides disposable filter cartridges that insure fast servicing and minimum downtime. Manifolds also contain three gage ports for mounting one instrument and two output gages. A supply gage is available and must be piped into the supply line by the user. Type AV positioners are pneumatic positioners that use a pneumatic input to control the pneumatic output. Type AV2 positioners are electropneumatic positioners that use an I/P (current-to-pneumatic) converter to accept a 4 to 2 ma input signal and convert it to a pneumatic output. Type AV4 positioners use the I/P converter to operate with a contact input signal for jogging the final control element. Explosion proof I/P converter The AV27 positioner includes an explosion proof I/P converter mounted to an adapter block manifold. The adapter block manifold is bolted to the outside of the main positioner housing. The unit is a Type AV2 positioner with the electric to pneumatic (4 to 2 ma to 2.7 to 3.4-kPa (3. to 5. psig)) conversion occurring within the externally mounted I/P converter. The 4 to 2 ma input signal wires are connected through an explosion proof conduit entrance on the I/P converter. If no electrical connections are made within the main housing, the entire positioner can be considered suitable for application in the hazardous locations shown on the I/P label. Refer to Fig. 6, page 9 for the external and mounting dimensions of the positioner. NEMA 4X The positioners are available with a NEMA 4X housing. To maintain the NEMA 4X classification, the positioner shall meet special installation requirements described in the NEMA 4X mounting kit. Suitable piping must be attached to the vent opening and vented in a manner to prevent the entrance of water under pressure (for example, from a hose). Additionally, the conduit connections must be suitable for a NEMA 4X rating. Some nomenclature options include a high temperature type AV positioner that can be operated and stored at temperatures up to 27 C (25 F). Type AV2 positioners are available with an explosion proof I/P converter, external to the housing, that is mounted on an adapter block manifold. The performance series provides a high flow gain pilot valve body having square ports that provide a maximized air flow for a small motion of the valve stem. 2 DS/AV24 EN Rev. H Series AV / 2 / 4

3 Common specification Standard stroke range (cam selection)* AV _ 2.7 to 5.8 mm (.5 to 2. in.) linear, rotary input 45 º AV to.6 mm (. to 4. in.) linear, rotary input 9 º Gain Two adjustment levels via gain hinge spring change for standard and performance series (high gain) units are available. Materials of construction Enclosure Aluminum and <.5% magnesium Pilot valve 33 stainless steel Enclosure classification Standard NEMA 3R classification when vent hole is protected from rain using rain elbow ( /2 NPT street elbow, see Fig. 6, page 9) NEMA 4X classification with option AV N. Supply pressure** 72 to,34 kpa (25 to 5 psig) Supply pressure effect.5 % per 6.9 kpa for ±69 kpa change (.5 % per. psig for ± psig change) Air consumption See Fig., page 4 Capacity Maximum capacity exhausted to atmosphere see Fig. 2, page 4 Vibration effect*** <2,% error for: 5 to 5 Hz at peak-to-peak constant displacement to 4 mm (.6 in.) 5 to 2 Hz at acceleration to 2 G. Pneumatic connections /4 NPT on supply, signal and output connections /8 NPT on pressure gages * Use 9º cam whenever possible ** Minimum supply pressure must be 34.4 kpa (5. psig) above the required operating pressure *** Tested according ISA-S75, Series AV / 2 / 4 DS/AV24 EN Rev. H 3

4 Series AV / 2 / FLOW (SCFM) AV2 AV Supply pressure (PSIG) Fig. : Air consumption (at null) 4 Exhaust capacity 3 FLOW (SCFM) 2 Supply capacity Supply pressure (PSIG) Fig. 2: Capacity (exhaust to atmosphere) 4 DS/AV24 EN Rev. H Series AV / 2 / 4

5 Type AV positioner specification Operation Input range* AV and AV5 2.7 to 3.4 kpa (3. to 5. psig) AV2 and AV6 2.7 to 86.2 kpa (3. to 27. psig) Accuracy**.8 % of span maximum Resolution.9 % of span maximum Hysteresis**.45 % of span maximum Repeatability**.2 % of span maximum Deadband**.2 % of span maximum Linearity**.7 % of span maximum Weight.84 kg (4.6 lb) Temperature limits Operating*** AV/2 AV5/6 4 to 82 ºC ( 4 to 8 ºF) 2 to 2 ºC ( 4 to 25 ºF) Type AV2 positioner specification Operation Input range* 4 to 2mA Input impedance 25 at 2 ma Accuracy**.9 % of span maximum Resolution.3 % of span maximum Hysteresis**.7 % of span maximum Repeatability**.5 % of span maximum Deadband**.3 % of span maximum Linearity**.7% of span maximum Weight Standard 2.32 kg (5. lb) Explosion proof 2.95 kg (6.5 lb) Temperature limits Operating*** 2 to 82 ºC ( 4 to 8 ºF) Storage 2 to 8 ºC ( 4 to 76 ºF) Storage AV/2 AV5/6 4 to 93 ºC ( 4 to 2 ºF) 2 to 2 ºC ( 4 to 25 ºF) Humidity limits Operating and storage to 95% non condensing Humidity limits operating and storage to 95 % non condensing * Units have 5% range suppression and / or zero elevation capability. ** Tested according ISA-S75, *** For operation below 4.4 ºC (4 ºF), dew point of supply air must be ºC (8 ºF) lower than lowest expected operating temperature * Units have 5% range suppression and / or zero elevation capability. ** Tested according ISA-S75, *** For operation below 4.4 ºC (4 ºF), dew point of supply air must be ºC (8 ºF) lower than lowest expected operating temperature Series AV / 2 / 4 DS/AV24 EN Rev. H 5

6 Series AV / 2 / 4 Type AV4 positioner specification Operation Input range* Computer DDC (direct digital control), solid state or contact closure input Minimum pulse width Data taken at 2 ºC (68 ºF) and factory preset fine speed adjustment. Operation at other fine speed adjustments requires different minimum pulse widths. Operation at colder temperatures may require longer minimum pulse widths. Coarse speed Position 4 Minimum pulse width = 4. ms Position 3 Minimum pulse width = 2. ms Position 2 Minimum pulse width = 5. ms Position Minimum pulse width = 2.5 ms Resolution.3 % of span maximum Deadband**.3 % of span maximum Type AV/2 _ and AV44 position transmitter specifications Total resistance 2, ±2 % potentiometer Power rating W up to 7 ºC (58 ºF), W at or above 25 ºC (257 ºF) Wiper rate of change 9.9 nominal per degree of cam rotation Temperature effect.5 % (5 ppm) per ºC (.3 % (278 ppm) per ºF) maximum Maximum voltage 35 V DC or 3 V AC across the potentiometer ends Temperature limits Operating 4 to 82 ºC ( 4 to 8 ºF) Storage 4 to 93 ºC ( 4 to 2 ºF) Voltage supply** Minimum 6 V DC Nominal 24 V DC Maximum 34 V DC Weight 2.35 kg (5.7 lb) Temperature limits**** Operating*** 2 to 6 ºC ( 4 to 4 ºF) Storage 2 to 8 ºC ( 4 to 76 ºF) Humidity limits operating and storage to 95% non condensing Temperature effect** <.8 % per ºC (<.9 % per ºF) * Units have 5% range suppression and / or zero elevation capability. ** Tested according to ISA-S75, *** Operation below specification will increase stroke time. **** For operation below 4.4 ºC (4 ºF), dew point of supply air must be ºC (8 ºF) lower than lowest expected operating temperature 6 DS/AV24 EN Rev. H Series AV / 2 / 4

7 Operation Type AV positioners operate by balancing opposing forces. Fig. 3 is an operational diagram of the positioner. A balance beam, hinged at one end and connected to the pilot valve at the other, is acted upon by two forces: Upward force of the signal diaphragm assembly Downward force from the range spring A change in input signal changes the force exerted by the signal diaphragm, moving the balance beam, in turn moving the pilot valve. The pilot valve supplies and / or exhausts air to the actuator that ultimately changes its position. The change in actuator position is fed back to the positioning cam. The positioning cam moves, changing the tension of the range spring until a balanced condition once again exists. The input signal pressure determines the diaphragm force. The Type AV positioner uses an external input pressure (either 2.7 to 3.4 kpa (3. to 5. psig) or 2.7 to 86.2 kpa (3. to 27. psig). Types AV2 positioners internally generate the input signal pressure using an I/P converter. The range spring force is a function of the shape and position of the cam. The cam is coupled to the cam shaft that is connected through linkage (or coupling) to the actuator. Therefore, range spring tension is a function of the actuator position. Type AV pneumatic positioner Type AV positioners receive an external pneumatic signal and converts it to a pneumatic output. This output produces the motive force that positions the power actuator. Type AV2 4 to 2 ma I/P positioners Type AV2 positioners receive a current input (4 to 2 ma) from the control device and convert the signal to a pneumatic signal. This pneumatic signal is converted to a pneumatic output that produces the motive force that positions the actuator. The Type AV2 fails open / closed on loss of current input signal. Signal diaphragm Diaphragm force Input signal pressure Gain hinge spring Cam Pilot valve To actuator Supply pressure To actuator O S O2 Range spring force Balance beam Range spring Fig. 3: Operation diagram Series AV / 2 / 4 DS/AV24 EN Rev. H 7

8 Series AV / 2 / 4 Type AV4 pulse input positioner The Type AV4 positioner receives a contact closure input (pulse) from a control device and converts the signal to a pneumatic signal. This pneumatic signal is converted to a pneumatic output, producing the motive force that positions the actuator. Position transmitters Two types of position transmitters are available on Type AV and AV2 positioners. The potentiometric position transmitter uses a high durability plastic film potentiometer to indicate the position of the cam shaft. The resulting resistive value is a function of the shaft position. The resistive output can be used for additional control purposes. The 4 to 2 ma position transmitter uses a high durability plastic film potentiometer to indicate the cam shaft position. The resulting resistive value is sent to an electronics assembly that produces a proportional 4 to 2 ma signal. This signal can be used for additional control purposes. Standard Position error (%) Performance series O2 Supplying O Exhausting Performance series O Supplying O2 Exhausting Standard Performance series The performance series provides a high flow gain pilot valve body with square ports that provide maximized air flow for a small motion of the pilot valve stem. A relatively small error signal can therefore cause a relatively large change in output air flow to the actuator. This feature is useful when driving larger actuators that might otherwise be insensitive or slow to respond to small signal changes. Compared to other positioners on the market, the standard Type AV positioners have a high delivery capacity. The flow gain curves shown in Figs. 4 and 5 show output air flow versus input error signal for the standard and high-gain performance series positioners. Figs. 4 and 5 show that the large signal maximum air flow for both the standard and performance series positioners is about the same. The performance series positioners achieve maximum flow capacity at a much smaller error signal. Avoid using a performance series positioner on a small actuator as it could cause instability Output air flow (SCFM) Fig. 4: Output air flow versus error signal - standard and performance series Output air flow (SCFM) Performance series Standard 2 O Supplying Position error (%) 8 Fig. 5: Expanded first quadrant view of Fig. 4 8 DS/AV24 EN Rev. H Series AV / 2 / 4

9 Dimensions Dimensions in in. (mm) Output connection /4 8 NPT(see Note 5) 3.5 (88.8) 2 2 Air supply connection S /4 8 NPT (see Note 5) S.37 (9.3).77 (9.4) View with optional manifold Output connection /4 8 NPT (see Note 5) 5.4 (37.4) 4.6 (6.7) 4.3 (2.4) 3.47 (88.2) Elbow rain shield installed in vent hole. Opening should face downward (see Note 6) 2 Fig. 6: External and mounting dimensions I I.2 (3.7).69 (7.5).76 (9.3) Output connection 2 /4 8 NPT (see Note 5) Air filter (3) /8 27 NPT pipe plug. Remove to install optional pressure gauges (see Notes 2 and 5).67 (42.3) I S Input signal connection I /4 8 NPT (see Note 5) View without optional manifold Notes.. Drive arm may be rotated in 45 increments relative to positioning cam. 2. Pressure gages are available as an accessory only and must be installed by the customer. 3. Minimum clearance required for adjustments inspection, maintenance and operation. 4. All untoleranced dimensions are nominal. 5. Use liquid or paste pipe sealant on fittings. Do not use Teflon tape 6. Street elbow can be obtained from ABB. Output connection 2 /4 8 NPT (see Note 5) Knockout plug for electric /2 4 NPT conduit, far side 2. (53.3) 2.3 (58.7) 2.8 (52.8) 3. (76.2) Vent hole /2 4 NPT 3.7 (78.) 2. (53.6).2 (5.) See electrical connections Fig (222.) 6.43 (63.4) 3.66 (93.).44 (36.5) 2.8 (7.) 2.5 (63.5) Pressure gages (see Notes 2 and 5).6 (4.6).86 (22.) 4.59 (6.6) Ground screw and cable clamp (not provided on AV ).4 (35.5) View with explosion proof I/P converter.5 (3.) 2.45 (62.4) 3.9 (99.) 2.8 (52.8).64 (6.2).3 (28.6) 2.25 (57.2).8 (45.7) See Note..57 (28.) (4.6). (25.4) (see Note 3).7 (27.2) 3. (78.8) 2 x.32-8unc-2b Through mounting holes 5.32 (35.) x.32 Through mounting holes provided for.25 fasteners, far side 3.(76.2) (see Note 3) 3. (76.2) 6.76 (7.7).9 (4.8) Approx. 45º motion for /2 travel cam 4. (see Note 3) (.6) 7.5 (9.5) (see Note 3) 3.69 (93.8).3 (26.3).69 (7.4) View with gage block Series AV / 2 / 4 DS/AV24 EN Rev. H 9

10 Series AV / 2 / 4 Dimensions in in. (mm) 7 x Stroke (45º or half cam).93 2 (4.9 5.) Stroke (9º or full cam).33 Typ (8.4).65 (6.5).75 (44.5).25 (3.8).75 (9.) 2. (5.8).5 (38.). (25.4).5 (2.7) 4. (.6) 3.5 (88.9) 3. (76.2) 2.5 (63.5) 2. (5.8).5 (38.).35 Typ (8.9). (25.4).7 (8.) Fig. 7: Drive arm dimensions Type AV Dimensions in in. (mm) 2.8 (.82) 7. (.675) 7.2 (.284) 5.84 (.23) 7.3 (.68) (.97) 2.7 (.5) 7.3 (.68) 6.35 (.25) 8.3 (.32) 4.6 (.6) 4.6 (.6) Type AV.5 in. square end Type AV _2_.342 in. square end 8.69 (.342) Type AV _3_.25 in. flats 9.53 (.375) Type AV _4_.375 in. square end (for Dezurik Power-Rac actuators) 3.96 (.56) Type AV _5_.56 in. flats Fig. 8: Drive shaft options dimensions DS/AV24 EN Rev. H Series AV / 2 / 4

11 Signal input and output connections Customer supplied signal Signal from position transmitter End Wiper End V DC Raise Lower End Wiper End AV23 AV33 AV33 AV33 2_ AV44 AV AV 2_ Potentiometric resistive output position transmitter option 4 to 2 ma output position transmitter option Note: Type AV27 positioner connections are external to positioner. Agency approvals Nomenclature All (see Note ) AV27 All Approval / Certification (see Notes below) FM Approvals (FM) Canadian Standards Association (CSA): cfmus approved as non-incendive for: See FM Approvals cfmus Class I, Division 2, Groups A, B, C, and D Class II, Division 2, Groups F and G Class III, Division 2 FM Approvals (FM) Canadian Standards Association (CSA): FM Approved as: Certified as: Explosion-proof for Class I, Div, Grps B, C and D Explosion-proof for Class I, Div, Grps B, C and D Dust-ignition-proof for Class II and III, Div, Grps E, F and G Dust-ignition-proof for Class II and III, Div, Grps E, F and G Intrinsically Safe for Class I, II and III, Div, Grps A,through G Intrinsically Safe for Class I, II and III, Div, Grps A,through G This product complies with all applicable European Community product requirements, and specifically with those required to display the CE marking on the product nameplate. Notes.. cfmus = FM approved for both Canadian and US requirements. 2. From st June 24, type AV//2/4 are approved only for non-incendive installations. 3. Non-incendive hazardous locations approvals are for ambient conditions of 25 to 4 ºC ( 3 to 4 ºF), 86 to 6 kpa (2.5 to 5.7 psig) with a maximum oxygen concentration of 2 %. Series AV / 2 / 4 DS/AV24 EN Rev. H

12 Series AV / 2 / 4 Accessories Accessory Description Mounting kits Kit number Dependent on valve stem size. Refer to Table for ABB retrofit kits. Speed control orifices Regulates time constant of positioner and final control device. Orifices are installed directly into positioner output ports see Table 2. Speed adjustment can also be controlled by using the internal stroke adjustment screws. Pressure gages For reading signal, supply and output pressures see Table 3. Blank cam Part number 54277A. Used to characterize the positioner if the standard cams (square, linear, square root) will not produce the desired relationship. Blank cam must be profiled. Note: This option is no longer available. Supply air regulator See Table 4. Air filters Installs in supply air line to prevent particles from entering the positioner that can lead to malfunctions see Table 5. Manifold filters For addition or replacement of secondary air filters on manifold-equipped positioners. Kit number A. Bypass valve assembly Part number A. External by-pass (Type AV only) valve for single-acting diaphragm applications only. Permits transfer of pneumatic control signal directly to diaphragm so that final control element can be operated while positioner is being serviced. Kit number Drive nomenclature Retrofit mounting kit 5439A A C UP, UP2 UP3, UP4 UP5, UP6 Type AP positioner to Type AV positioner C A A 25853A C A A 25853A2 AC44 AC68 AC86 AC6 AC44 AC68 AC86 AC6 Table : Rotary actuator retrofit mounting kits Part no. Size mm (in.) A.2 (.4) A2 Blank (drill to suit) Table 2: Speed control orifices ABB part number pilot valve positioner to Type AV positioner Type AP positioner to Type AV positioner Part no. Legend Range kpa psig A4 Instrument to 2 to A5 Supply* to, to A6 Output to, to 6 Table 3: Pressure gages * Optional manifold provides gage ports, for instrument (internal input signal), and 2 output gages. Supply gage can be installed in supply line (piping by customer). Part no. Outlet pressure Maximum inlet Inlet / outlet (psig) pressure (psig) connections 9529D5 2 to /4 NPT Table 4: Supply air regulators with gages Part no. Maximum outlet pressure (psig) Maximum inlet pressure (psig) Inlet / outlet connections D /4 NPT Table 5: Supply air filters 2 DS/AV24 EN Rev. H Series AV / 2 / 4

13 Mounting kits Dimensions in mm (in.) (.32) 2.7 (.5) (.88) (.62) (3.697) 25.4 (.) 74.4 (2.95) 57.5 (2.25) (.93) 57.5 (2.25) Fig. 9: Mounting kits Tables 6, 7, and 8 identify the parts shown in Fig. 9 for the available mounting kits. Series AV / 2 / 4 DS/AV24 EN Rev. H 3

14 Series AV / 2 / 4 Item Part number Description Item Part number Description 54266A Positioner mounting bracket l 972A5 Nut, elastic stop (2) x.75 Screw, socket hd (3) m 5369G Adjustable stud, 2.69 in Lock washer, reg spring (3) n 5369G2 Adjustable stud, 3.43 in x.625 Cap screw, hex socket hd (2) u.375 Lock washer, med spring (3) 6.32 Lock washer, reg spring (2) v Nut, hex jam 7 R644-5 Type 347 stainless steel wire,.3 diameter, 6 in. w 53687A2 Stem clamp,.375 to.75 in. dia. 8* 9934A248 Spacer y 5369C Clamp plate,.375 to.75 in. dia. 9*.9-32 x.25 Screw, pan hd machine x.5 Screw, hex skt hd cap (2) j A4 Connecting link, 2 in. (cut to fit) Nut, hex jam (2) k*.9-32 x.875 Screw, pan hd machine (2) dia x.75 Groove pin, type Table 6: Mounting kit number A2 valve stem diameter.375 to.75 in. (Positioner mounting kits for direct or reverse acting diaphragm actuators and single or double-acting piston actuators with linear (reciprocating) motion) Item Part number Description Item Part number Description 54266A Positioner mounting bracket k*.9-32 x.875 Screw, pan hd machine (2) x.75 Screw, socket hd (3) l 972A5 Nut, elastic stop (2) 3.25 Lock washer, reg spring (3) n 5369G2 Adjustable stud, 3.43 in x.625 Cap screw, hex socket hd (2) u.375 Lock washer, med spring (3) 6.32 Lock washer, reg spring (2) v Nut, hex jam 7 R644-5 Type 347 stainless steel wire,.3 diameter, 6 in. x E Stem clamp,.75 to. in. dia. 8* 9934A248 Spacer z 53247D Clamp plate,.75 to. in. dia. 9*.9-32 x.25 Screw, pan hd machine x.5 Screw, hex skt hd cap (2) j A4 Connecting link, 2 in. (cut to fit) dia x.75 Groove pin, type Table 7: Mounting kit number A3 valve stem diameter.75 to. in. (Positioner mounting kits for direct or reverse acting diaphragm actuators and single or double-acting piston actuators with linear (reciprocating) motion) Item Part number Description Item Part number Description 54266A Positioner mounting bracket p 5395A Drive stud, 3.43 in x.75 Screw, socket hd (3) q A Stud bracket 3.25 Lock washer, reg spring (3) r.32-8 x.5 Screw, hex hd (2) x.625 Cap screw, hex socket hd (2) s 28- Lock washer, shake proof (2) 6.32 Lock washer, reg spring (2) t A Lock washer, star (3) 7 R644-5 Type 347 stainless steel wire,.3 diameter, 6 in. u.375 Lock washer, med spring (3) 8* 9934A248 Spacer v Nut, hex jam 9*.9-32 x.25 Screw, pan hd machine w 53687A2 Stem clamp,.375 to.75 in. dia. j A4 Connecting link, 2 in. (cut to fit) y 5369C Clamp plate,.375 to.75 in. dia. k*.9-32 x.875 Screw, pan hd machine (2) x.5 Cap screw, hex socket hd (2) l 972A5 Nut, elastic stop (2) Nut, hex jam (2) o 5395A Drive stud, 2.69 in dia x.75 Groove pin, type Table 8: Mounting kit number A4 (for use on Fisher actuators) valve stem diameter.375 to.75 in. (Positioner mounting kits for direct or reverse acting diaphragm actuators and single or double-acting piston actuators with linear (reciprocating) motion) *When fastening item j to drive arm at first hole (nearest drive shaft), use items 8 and 9 and omit of Item k 4 DS/AV24 EN Rev. H Series AV / 2 / 4

15 Ordering information Pneumatic positioner type AV The AV pneumatic positioner accepts linear or non-linear pneumatic input signal ranges to provide sensitive, accurate positioning of a pneumatic final control element. A feedback cam in the positioner establishes the actual position of the final control element and can be characterized to provide a square root, square or linear relationship to the input signal. Split range signal can be field calibrated for % stroke for 5 % signal span or 5 % stroke for % signal span. The optional manifold / gage block provides gage ports one for instrument (internal input signal) and two for positioner output. A supply gage can be installed in the supply line (piping by customer). When converting a 3 to 5 psig positioner to a 3 to 27 input positioner, or vice versa, both the diaphragm assembly kit and the appropriate diaphragm cover are required. Refer to Note 4 for AV application details. Input signal.2 to bar (3 to 5 psi), standard temperature range 4 to 82 C ( 4 to 8 F).2 to.86 bar (3 to 27 psi), standard temperature range 4 to 82 C ( 4 to 8 F).2 to bar (3 to 5 psi), extended temperature range 2 to 2 C ( 4 to 25 F).2 to.86 bar (3 to 27 psi), extended temperature range 2 to 2 C ( 4 to 25 F) Stroke or rotary motion 2.7 to 5.8 mm (.5 to 2. in.) or 45 rotation 25.4 to.6 mm (. to 4. in.) or 9 rotation Manifold / gage block No manifold Manifold with equalizing valve, filters and gage ports (see Notes and 2) Gage block, gage ports only Position transmitter No position transmitter Potentiometric resistive transmitter (see Note 2) 4 to 2 ma output (see Note 2) Drive shaft Standard with drive arm (for linear actuators) and UP3 / 4 / 5 / mm (.5 in.) square end (most common for 9 actuators) 8.69 mm (.342 in.) square end (older DeZurik / K&M actuators) 6.35 mm (.25 in.) flats (UP / UP2 manufactured after August, 995) mm (.375 in.) square end (for DeZurik PowerRac actuators) 4 mm (.57 in.) flats (for NAMUR rotary mounting) Options No options NEMA 4X enclosure rating (must be installed in accordance with drawing ) Performance series, high pneumatic gain AV X X X X X X N P Notes.. Required for double acting actuators with manual override (for example, UP or AC actuators) 2. Not available with input signal codes 5 and 6 3. This optional manifold is recommended on all AC and UP Drives. Not available for AV5 _ and AV6 _ 4. From st June 24, AV is approved only for general purpose and non-incendive installations. Series AV / 2 / 4 DS/AV24 EN Rev. H 5

16 Series AV / 2 / 4 Electropneumatic positioner type AV2 The AV2 electropneumatic positioner receives a 4 to 2 ma input from a controller and converts the signal via an I/P converter to a pneumatic output that positions a power actuator. The AV2 can be adjusted by the user to default automatically to either the fully open or fully closed position in the event of input signal loss. The optional manifold / gage block provides gage ports one for instrument (internal input signal) and two for positioner output. A supply gage can be installed in the supply line (piping by customer). Intrinsically safe / explosion-proof design Non-incendive design cfmus (see Note ) Explosion-proof and intrinsically safe design FM/CSA (see Note 2) Stroke or rotary motion 4 to 2 ma input, 2.7 to 5.8 mm (.5 to 2. in.) or 45 rotation 4 to 2 ma input, 25.4 to.6 mm (. to 4. in.) or 9 rotation Manifold / gage block No manifold Manifold with equalizing valve, filters and gage ports (see Notes 3 and 4) Gage block, gage ports only (see Note 4) Position transmitter No position transmitter Potentiometric resistive transmitter (see Note 3) 4 to 2 ma output (see Note 3) Drive shaft Standard with drive arm (for linear actuators) and UP3 / 4 / 5 / mm (.5 in.) square end (most common for 9 actuators) 8.69 mm (.342 in.) square end (older DeZurik / K&M actuators) 6.35 mm (.25 in.) flats (UP / UP2 manufactured after August, 995) mm (.375 in.) square end (for DeZurik PowerRac actuators) 4 mm (.57 in.) flats (for NAMUR rotary mounting) Options No options NEMA 4X enclosure rating (must be installed in accordance with drawing ) (see Note 4) Performance series, high pneumatic gain AV2 X X X X X X N P Notes.. From st June 24, AV23 _ is approved only for general purpose and non-incendive applications 2. AV27 _ is FM/CSA approved (explosion-proof or intrinsically safe) for Class I, Division applications. 3. Required for double acting actuators with manual override (for example, UP or AC actuators) 4. Not available with intrinsically safe / explosion-proof design code 7 6 DS/AV24 EN Rev. H Series AV / 2 / 4

17 Electropneumatic pulse input positioner type AV4 The AV4 electronic input positioner operates with a contact signal for jogging the final control element. This enables operation of pneumatic valves in a jog mode similar to electronic valve operation. Designed to meet the special requirements of interfacing with state-of-the-art computer and microprocessor-based control systems, the AV4 utilizes an advanced, pneumatic motor-to-pneumatic signal converter. In one compact package, it replaces three separate components: a motor-to-motor pneumatic converter, a pneumatic positioner, and a position transmitter. AV4 X X X X X X Input signal 24 V DC pulse (see Note ) 4 Stroke or rotary motion 2.7 to 5.8 mm (.5 to 2. in.) or 45 rotation 25.4 to.6 mm (. to 4. in.) or 9 rotation 2 Manifold / gage block No manifold Manifold with equalizing valve, filters and gage ports (see Note 2) Gage block, gage ports only 3 Position transmitter (see Note 3) 4 to 2 ma output Drive shaft Standard with drive arm (for linear actuators and UP3 / 4 / 5 / 6) 2.7 mm (.5 in.) square end (most common for 9 actuators) 8.69 mm (.342 in.) square end (older DeZurik / K&M actuators) 6.35 mm (.25 in.) flats (UP / UP2 manufactured after August, 995) mm (.375 in.) square end (for DeZurik PowerRac actuators) 4 mm (.57 in.) flats (for NAMUR rotary mounting) Options No options NEMA 4X enclosure rating (must be installed in accordance with drawing ) Performance series, high pneumatic gain N P Notes.. From st April 22, AV4 is approved only for general purpose and non-incendive applications 2. Required for double acting actuators with manual override (for example, UP or AC actuators) 3. The 4 to 2 ma output position transmitter is a standard feature of the AV4 positioner Series AV / 2 / 4 DS/AV24 EN Rev. H 7

18 Series AV / 2 / 4 Accessories Accessories for AV, AV2 and AV4 (except where indicated) Description Mounting kits, for diaphragm actuators with yoke mounting bosses (includes mounting bracket, linkage and hardware) For stem size 9.53 to 9. mm (.375 to.75 in.), adjustable stud length 68.2 mm (2.687 in.) For stem size 9.2 to 25.4 mm (.75 to. in.), adjustable stud length 87.3 mm (3.437 in.) For stem size 9.53 to 25.4 mm (.375 to. in.), adjustable stud length 86.5 mm (3.46 in.) Fisher Mounting bracket, for reciprocating valves (contained in above kits) Connecting link, adjustable length 34.8 mm (2 in.) (contained in above kits) Mounting kits, for retrofitting UP drives from AP to AV positioners For UP, UP2 For UP3, UP4 For UP5, UP6 Mounting kits, for retrofitting AC drives from old Bailey-Fischer and Porter part number positioners to AV positioners For AC44 For AC68 For AC86 For AC6 Mounting kits, for retrofitting AC drives from AP to AV positioners For AC44 For AC68 For AC86 For AC6 Mounting kits, for adding a Beacon indicator or a limit switch package onto the cover of an AV positioner For adding a Beacon Indicator (includes a Westlock black and yellow indicator) For adding limit switches, Westlock 24/27 or equivalent (does not include limit switch package) for more information see drawing 25857B Speed control orifices, for use when more than one final control element is being operated from the same control signal and designed to equalize speeds between units..6 mm (.4 in.) Blank (drill as required) Pressure gages, for calibration Instrument to 3 psig range (AV only) Supply to 6 psig range Output to 6 psig (quantity 2 required for double-acting applications) External by-pass valve (for single acting diaphragm applications only) Permits transfer of pneumatic control signal directly to diaphragm to enable final control element to be operated during positioner servicing. Use with AV only. Supply air filter (coalescing) with bracket. Maximum inlet pressure 25 psi, /4 8 NPT Supply air regulator with bracket. Maximum inlet pressure 25 psi, /4 8 NPT Part number A A A A A4 5439A A C C A A 25853A C A A 25853A B 25857A A A A A A A D2 9529D5 8 DS/AV24 EN Rev. H Series AV / 2 / 4

19 Spare parts Parts kits for AV, AV2, AV3 and AV4 Description Diaphragm parts Diaphragm assembly kit (3 to5 psig and 3 to 27 psig) 3 to 5 psig positioner, diaphragm cover 3 to 27 psig positioner, diaphragm cover (AV only) Note. When converting a 3 to 5 psig positioner to a 3 to 27 psig positioner, or vice versa, both the diaphragm assembly kit and the appropriate diaphragm cover are required. Gage block kit for field addition Manifold parts Manifold kit with equalizing value for field addition Filter replacement kit Shut off valve kit Note. The optional manifold/gage block provides gage ports one for instrument (internal input signal) and two output gages. A supply gage can be installed in the supply line (by customer). Characterizing cams Forward-acting full rise cam, 9 degree rotation Reverse-acting full rise cam, 9 degree rotation Forward-acting half rise cam, 45 degree rotation Reverse-acting half rise cam, 45 degree rotation Pilot valve assemblies Pilot valve assembly kit Pilot valve assembly kit (performance series, AV P) Pilot valve assembly kit (high temperature model, AV5/6) Pilot valve assembly kit (high temperature and performance series model, AV 5/6 _ P) Feedback arm Feedback arm for linkage attachment, for 9 degree cam rotation Feedback arm for linkage attachment, for 45 degree cam rotation Cover assembly (includes cover, window, gasket and plastic cover inserts) Cam follower arm assembly Position transmitter field addition kits Pneumatic position transmitter 4 to 2 ma position transmitter Cam shaft /2 in. square end connection Tapered end connection for linear feedback arm.342 in. square end for older DeZurik / K&M actuators.25 in. flats (UP / UP2 after 8/95).375 in. Square End (for DeZurik PowerRac actuators) 4 mm (.56 in.) flats (for Namur rotary mounting) Also requires conversion plate Part number A 54295A 54295A A 25849A A 25827A 5428A 5428A A 54289A B A A A A A A A A 25867A 54278A 54287A 54287A A A A5 5432A Series AV / 2 / 4 DS/AV24 EN Rev. H 9

20 Series AV / 2 / 4 Parts kits for AV2 Description I/P converter replacement kit (AV23 only) Explosion proof positioner parts (AV27 only) Kit to mount explosion proof I/P converter to pneumatic positioner (does not include I/P) I/P converter for AV27 Part number 25865A 25862A A2 Parts kits for AV3 (see Note) Description EMI receiver (AV33 only) I/P servo (AV33 only) EMI + I/P factory-tested assembly (AV33 only) Part number A 66393A 66393A3 Note. Effective December 3, 25, the AV3 positioner is no longer available. However, the parts kits listed will remain available until December 27. The EDP3 positioner replaces the AV3. Parts kits for AV4 Description EMI receiver assembly (AV44 only) I/P servo assembly (AV44 only) Part number A A2 2 DS/AV24 EN Rev. H Series AV / 2 / 4

21 Notes Series AV / 2 / 4 DS/AV24 EN Rev. H 2

22 Series AV / 2 / 4 22 DS/AV24 EN Rev. H Series AV / 2 / 4

23 Series AV / 2 / 4 DS/AV24 EN Rev. H 23

24 Contact us ABB Inc. Process Automation 25 E. County Line Road Warminster PA 8974 USA Tel: Fax: ABB Automation Products GmbH Process Automation Schillerstr Minden Germany Tel: Fax: Note We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document. We reserve all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure to third parties or utilization of its contents in whole or in parts is forbidden without prior written consent of ABB. Copyright 25 ABB All rights reserved Sales Service DS/AV24 EN Rev. H 2.25 ABB Limited Process Automation Salterbeck Trading Estate Workington Cumbria CA4 5DS UK Tel: +44 () Fax: +44 ()