Emerson Fisher 3660 Data Sheet
Contents
1. 1 35 7 53 49 2 49 1 94 3 66 1 93 Valve Positioner eee ACTUATOR POST CENTERLINE 34 32 142 2 93 3 66 31B3959 C 0686 3 62 1 3660 May 2012 67 5 2 66 DIM X ACTUATOR CENTERLINE 1 4 NPT 1 4 NPT OUTPUT INSTRUMENT CONNECTION CONNECTION 67 5 2 66 SUPPLY ACTUATOR CONNECTION CENTERLINE 122 3 4 81 1 2 NPT 1 4 NPT 3661 I P 1 4 NPT OUTPUT ONLY INSTRUMENT CONNECTION CONNECTION mm INCH Product Bulletin 62 1 3660 May 2012 Table 5 Dimension X for figure 3 ACTUATOR CENTERLINE TO POSITIONER T Si X ype Inch 30 92 2 3 63 34 95 3 3 75 657 667 40 104 9 4 13 45 46 108 0 4 25 50 60 128 5 5 06 225 86 0 3 39 1250 450 86 0 3 39 675 110 0 4 33 1 21 83 5 3 29 30245 1 31 87 5 3 44 1 41 87 5 3 44 16in2 53 8 2 12 Baumann 32in2 71 4 2 81 54in2 71 4 2 81 70in2 71 4 2 81 225 81 0 3 19 GX 750 81 0 3 19 1200 81 0 3 19 Installation The supply pressure medium should be clean dry filtered air If the supply source is capable of exceeding the maximum actuator operating pressure or positioner supply pressure appropriate steps must be taken during installation to protect the positioner and all connected equipment against overpressure Overall dimensions and connections are shown in figure 3 and table 5 3660 and 3661 Positioners D101407X012 Ordering Information Applica2. 90 psig Input Modul ECO 1 0 to 0 2 bar 15 to 3 psig 90 psig 9 a ae 2 0 to 0 4 bar 30 to 6 psig T ii bb 20to4mA Gash et Silicon Rubber O Ring Ethylene Propylene For split range signal refer to table 2 Nozzle Aluminum Flapper Aluminum Relay Metal Parts Aluminum and Stainless Steel Gauges Brass and Plastic All Fasteners Stainless Steel Exterior Tubing and Fitting Copper Brass Stainless Steel Connectors Tor Stainless Steel Brass Diagnostic Testing Product Bulletin 62 1 3660 May 2012 Principle of Operation Refer to figure 2 for operational schematic The instrument pressure acts on the input module which controls the flapper nozzle system of the relay Supply pressure is applied to the relay and the output pressure of the relay is supplied to the control valve actuator For a direct acting positioner increases in instrument pressure causes the input module to pivot the beam The beam pivots the flapper and restricts the nozzle The nozzle pressure increases and causes the relay assembly to increase output pressure to the actuator With a direct acting actuator this increased pressure moves the actuator stem downward Stem movement is fed back to the beam by means of a feedback lever and range spring which cause the flapper to pivot slightly away from the nozzle to prevent any further increases in relay output press
3. Tamb lt 47 C T4 T5 T6 per drawing GE28591 m n CSA Li 0 mH Type Zone T6 Tamb lt 82 CSA 3 Encl Ex nAllC T6 Class Division 2 GP A B C D T6 T6 Tamb lt 82 CSA Type 3 Encl 1 Must be installed in a suitable IP5x enclosure Table 7 Fisher 3661 Positioner Hazardous Area Classifications FM United States Certification Body Certification Obtained Entity Rating Temperature Code Enclosure Rating Intrinsically Safe Vmax 30 VDC Class Zone 0 AEx ia IIC T4 T5 T6 per Imax 150 mA TA Tamb lt 82 drawing GE28590 Pi 1 25W T5 Tamb lt 62 C NEMA 3 IP54 Class Il Ill Division 1 GP A B C D E F G 6 Tamb lt 47 C T4 T5 T6 per drawing GE28590 Li 0 mH Typen m Class Zone 2 AEx nA IC T5 Rog Class I Division 2 GP A B C D T5 Ex Class Il III Division 2 GP F G T5 To MTamb s820 NEMAS Eoi Table 8 Fisher 3661 Positioner Hazardous Area Classifications ATEX Certificate Certification Obtained Entity Rating Temperature Code Enclosure Rating Ui 30 VDC A li 150 mA T4 Tamb lt 82 C 28 1 25 T5 Tamb lt 62 C IP44 Ex ia IIC T4 T5 T6 SIUE Li 0 mH 113G nl T T6 Tamb 82 C IP44 Gas Ex nA IC T6 1 Special precautions are required during installation See 3660 and 3661 Instruction Manual D101402X012 Table 9 Fisher 3661 Positioner Hazardous Area Classifications IECEx Certificate Certification O
4. 0 5 of output span 2 Deadband 0 1 of input span Electromagnetic Compatibility for 3661 electro pneumatic positioner Meets EN 61326 1 First Edition Immunity Industrial locations per Table 2 of the EN 61326 1 standard Performance is shown in table 1 below Emissions Class A ISM equipment rating Group 1 Class A 3660 and 3661 Positioners D101407X012 Positioner Adjustments Span Adjustable from 19 mm to 50 mm 0 75 to 2 inches stem travel Zero 0 to 100 Gain 0 5 to 6 PB proportional band 3 Output Volume Damping Loop dynamic response adjustment Delivery Capacity 4 1 4 Bar 20 Psig Supply 4 3 normal m3 hour 150 scfh 2 4 Bar 35 Psig Supply 6 6 normal m3 hour 230 scfh Exhaust Capacity 4 1 4 Bar 20 Psig Supply 4 8 normal m3 hour 170 scfh 2 4 Bar 35 Psig Supply 7 4 normal m3 hour 260 scfh Steady State Air Consumption 4 gt 3660 0 17 normal m hour 6 0 scfh at 1 4 bar 20 psig supply pressure 0 22 normal m hour 7 9 scfh at 2 4 bar 35 psig supply pressure 3661 0 24 normal m3 hour 8 8 scfh at 1 4 bar 20 psig supply pressure 0 33 normal m3 hour 12 3 scfh at 2 4 bar 35 psig supply pressure Operating Influences Supply Pressure 69 mbar 1 psig change in supply pressure changes the actuator stem position less than 0 16 of the travel Operative Temperature Limits 3660 without Pressure Gauges 40 to 121 C 40 to 250 F 3660 with Pressure
5. during testing Temporary degradation during testing but is self recovering Product Bulletin 62 1 3660 May 2012 3660 and 3661 Positioners D101407X012 Figure 1 Mounting Configurations see table 3 for Positioner Action and Signals PILOT SHAFT Notes B gt ACTUATOR AIR TO RETRACT POSITIONER ACTION DIRECT lt _ AIRSUPPLY lt _ INPUT SIGNAL INCREASING INPUT SIGNAL INCREASES OUTPUT PRESSURE TO ACTUATOR ACTUATOR AIR TO EXTEND POSITIONER ACTION REVERSE INCREASING INPUT SIGNAL DECREASES OUTPUT PRESSURE TO ACTUATOR underneath the feedback plate 17B9106 B 17B9105 B 38B0195 B A4035 2 y OUTPUT l AIR SUPPLY INPUT SIGNAL FEEDBACK PLATE d a OUTPUT I INPUT SIGNAL AIR SUPPLY ACTUATOR AIR TO RETRACT POSITIONER ACTION REVERSE INCREASING INPUT SIGNAL DECREASES OUTPUT PRESSURE TO ACTUATOR ae du INPUT x ks SIGNAL AIRSUPPLY ACTUATOR AIR TO EXTEND POSITIONER ACTION DIRECT INCREASING INPUT SIGNAL INCREASES OUTPUT PRESSURE TO ACTUATOR 1 gt When mounting on Baumann actuators install feedb
6. Gauges 40 to 82 C 40 to 180 F 3661 with or without Pressure Gauges 40 to 82 C 40 to 180 F Hazardous Area Classification for 3660 3660 pneumatic positioners comply with the requirements of ATEX Group II Category 2 Gas and Dust x u2 ap continued Product Bulletin 3660 and 3661 Positioners 62 1 3660 D101407X012 May 2012 Specifications continued Hazardous Area Classification for 3661 Conduit Connection for 3661 CSA Intrinsically Safe Type n Non incendive 1 2 NPT M20 or PG13 adaptors optional FM Intrinsically Safe Type n Non incendive ATEX Intrinsically Safe Type n Vent Connection Gas Atmospheres Only 1 4 NPT internal IECEx Intrinsically Safe Type n Gas Atmospheres Only Maximum Valve Stem Travel Refer to tables 6 7 8 and 9 for additional 50 mm 2 inch adjustable to obtain lesser travel with information standard input signal minimum 19 mm 0 75 inch Housing Classification for 3661 CSA Type 3 Encl Construction Materials See table 4 FM NEMA 3 IP54 ATEX IP44 Approximate Weight IECEx IP44 3660 2 6 pounds 1 2 kg Mounting orientation requires vent location to be 3661 3 0 pounds 1 4 kg below horizontal Options Mounting 3660 The positioner can be mounted in one of four B Instrument and output pressure gauges different configurations See figure 1 m Integrally mounted bypass valve 3661 Output pressure gauge 3660 and 3661 Connectors for diagnostic t
7. M Product Bulletin 3660 and 3661 Positioners 62 1 3660 D101407X012 May 2012 Fisher 3660 and 3661 Positioners Fisher 3660 pneumatic and 3661 electro pneumatic single acting positioners are used with various actuators on sliding stem valves for throttling applications These rugged positioners provide a valve position proportional to a pneumatic input or a standard millampere DC input signal received from a control device Features m Accurate Efficient Vibration Resistant Operation Positioner design provides accurate fast responding instruments able to withstand the vibrations of most plant environments Low steady state air consumption contributes to efficient operation Variable Gain Easily adjustable gain and damping adjustments fine tune the positioner stability to specific application requirements Fisher 3660 Positioner with m Versatility Positioner accepts a standard Baumann Valve and Actuator pneumatic input signal 3660 or a standard wa milliampere DC input signal 3661 from a control device This positioner provides split range m Easy Positioner Adjustments Zero and span capabilities and adjustable zero and spans adjustments can be made with the cover in place m Fewer Spare Parts Required Most of the parts for Control Valve Diagnostic Testing Capability To 3660 and 3661 positioners are interchangeable support diagnostic testing of requiring fewer spare parts to support these valve actuator posit
8. ack plate so lip is up Install feedback lever arm assembly so pilot shaft is on top of the feedback plate 2 gt When mounting on Baumann actuators install feedback plate so lip is down Install feedback lever arm assembly so pilot shaft is Product Bulletin 3660 and 3661 Positioners 62 1 3660 D101407X012 May 2012 Table 2 Standard and Split Range Capabilities POSITIONER 3660 3660 3661 0 2 to 1 0 bar 0 4 to 2 0 bar gt 3 to 15 Psig 6 to 30 Psig Split Input Signal Input Signal 4to 20 mADC Input Signal Bar Psig Psig Bar one way 0 2 to 1 0 3to15 6 to 30 0 4 to 2 0 Ato 20 Two Way 0 2 to 0 6 3to9 6to 18 0 4 to 1 2 4to 12 2 1 0 6 to 1 0 9to15 18 to 30 1 2 to 2 0 12 to 20 Three Wa 0 2 to 0 5 3to7 6to 14 0 4 to 1 0 4to 9 33 33 y 0 5 to 0 8 7to11 14to 22 1 0 to 1 6 9 33 to 14 66 0 8 to 1 0 11to15 22 to 30 1 6 to 2 0 14 66 to 20 0 2 to 0 4 3to6 6to 12 0 4 to 0 8 4to8 Four Way 0 4 to 0 6 6to9 12to 18 0 8 to 1 2 8to 12 4 1 0 6 to 0 8 9to 12 18to24 1 2to 1 6 12to16 0 8 to 1 0 12to 15 24 to 30 1 6to 2 0 16to 20 Table 3 Positioner Input Signal Action and Output Table 4 Construction Materials Signal EXE MATERIAL Input Signal Positioner Output Standard Optional Direct Case and Cover Aluminum 0 2 to 1 0 bar 3 to 15 psig Feedback Lever 0 4 to 2 0 bar 6 to 30 psig Assembly Stainless Steel xa Up to 6 2 bar Range Spring N09902 m
9. btained Entity Rating Temperature Code Enclosure Rating Ui 30 VDC Intrinsically Safe li 150 T4 Tamb lt 82 C 1 251 5 Tamb lt 62 C IP44 Ex ia IIC T4 T5 T6 Ci OnF T6 Tamb lt 47 C IECEX Li 0 mH Typen Gas 6 Tamb lt 82 C IP44 Ex nA II T6 Product Bulletin 3660 and 3661 Positioners 62 1 3660 D101407X012 May 2012 Product Bulletin 62 1 3660 May 2012 3660 and 3661 Positioners D101407X012 Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any product remains solely with the purchaser and end user Fisher Baumann and FlowScanner are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co All other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right t
10. esting 1 4 NPT internal stainless steel or m brass NOTE Specialized instrument terms are defined in ANSI ISA Standard 51 1 Process Instrument Terminology 1 The pressure temperature limits in this bulletin and any applicable standard or code limitation should not be exceeded 2 Hysteresis value at a gain setting of 1 2 turn 3 Adjusting the gain PB adjustment will change the nozzle flapper relationship This nozzle flapper change affects the actuator positioner response time 4 Normal m3 hr normal cubic meters per hour 0 C and 1 01325 bar absolute Scfh standard cubic feet per hour 60 F and 14 7 psia 5 Air consumption at a gain setting of 1 2 turn 6 At supply pressure of 2 4 bar 35 psig Pressure Connections Table 1 Fisher 3661 Electro Pneumatic Positioner EMC Summary Results Immunity Port Phenomenon Basic Standard Test Level Performance Criteria Electrostatic discharge 4 kV contact ESD IEC 61000 4 2 8 kV air A 80 to 1000 MHz 10V m with 1 kHz AM at 80 Enclosure Radiated EM field IEC 61000 4 3 1400 to 2000 MHz 3V m with 1 kHz AM at 80 A 2000 to 2700 MHz 1V m with 1 kHz AM at 80 Rated power frequency IEC 61000 4 8 60 A m at 50 Hz A magnetic field Burst IEC 61000 4 4 I O signal control Surge IEC 61000 4 5 1 kV line to ground only each B Conducted RF IEC 61000 4 6 150 kHz to 80 MHz at 3 Vrms A Specification limit 1 of span 1 A No degradation
11. ioner packages with the positioners FlowScanner valve diagnostic system connectors piping and other hardware can be m Rugged Construction The case and cover are installed between the 3660 or 3661 positioner and designed to withstand mechanical vibration and the actuator A typical connector installation is rough handling shown in figure 4 S EMERSON Process Management www Fisher com Product Bulletin 62 1 3660 May 2012 Specifications Available Configuration 3660 Single acting pneumatic valve positioner 3661 Single acting electro pneumatic valve positioner Input Signal 3660 m 0 2 to 1 0 bar to 15 psig m 0 4 to 2 0 bar 6 to 30 psig or m Split range see table 2 3661 W 4 20 mA DC constant current with 30 VDC maximum compliance voltage m Split range is also available see table 2 Equivalent Circuit 3661 120 ohms shunted by three 5 6 V zener diodes Output Signal Type Pneumatic pressure as required by the actuator up to full supply pressure Action Direct increasing input signal increases positioner output Reverse increasing input signal decreases positioner output Supply 1 Recommended 10 above actuator requirements Maximum 6 2 bar 90 psig or pressure rating of actuator whichever is lower Medium air 3660 and 3661 are not compatible with natural gas as the supply medium Performance Independent Linearity 1 of output span Hysteresis
12. o modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Marshalltown lowa 50158 USA Sorocaba 18087 Brazil Chatham Kent ME4 4QZ UK Dubai United Arab Emirates Singapore 128461 Singapore www Fisher com z EMERSON 1987 2012 Fisher Controls International LLC All rights reserved Process Management
13. tion When ordering specify Type number 2 Input signal range pneumatic or milliampere 3 Maximum supply pressure available 4 Valve plug travel actuator type and size 5 Stroking time requirements if critical 6 Ambient temperature range 7 Director reverse acting 8 Supply pressure regulator gauges and bypass if required 9 Hazardous area classification 3661 10 Connectors for diagnostic testing if required Product Bulletin 3660 and 3661 Positioners 62 1 3660 D101407X012 May 2012 Figure 4 FlowScanner Diagnostic System Connections BODY PROTECTOR BODY PIPE BUSHING 4 IN PIPE NIPPLE PIPE TEE 3660 POSITIONER 12B8052 A A6084 PIPE NIPPLE FISHER 3660 POSITIONER BODY PROTECTOR 1 IN PIPE NIPPLE BODY PIPE BUSHING 4 IN PIPE NIPPLE PIPE NIPPLE 3661 POSITIONER 12B8053 A A6085 FISHER 3661 POSITIONER Product Bulletin 62 1 3660 3660 and 3661 Positioners May 2012 D101407X012 Table 6 Fisher 3661 Positioner Hazardous Area Classifications CSA Canada Certification Body Certification Obtained Entity Rating Temperature Code Enclosure Rating Intrinsically Safe rage 30 VDE Exia IIC T4 T5 T6 per drawing GE28591 max 150 mA TA 82 C scr Pi 1 25W T5 Tamb lt 62 C CSA Type 3 Encl Class I II Division 1 GP A B C D E F G Ci OnF 6
14. ure The positioner is Figure 2 Operational Schematic FEEDBACK PLATE MODULE FISHER 3660 POSITIONER 31B3960 C B2152 4 3660 and 3661 Positioners D101407X012 once again in equilibrium but at a higher instrument pressure a slightly different flapper position anda new actuator stem position A decrease in instrument pressure decreases nozzle pressure which allows the relay to bleed off actuator loading pressure Operation of a reverse acting positioner is similar except that the flapper position is reversed from that shown in figure 2 The reversed position uses the alternate flapper pivot point so that increases in instrument pressure rotate the flapper away from the nozzle to reduce nozzle pressure With a 3661 electro pneumatic positioner the electro pneumatic converter provides a 0 2 to 1 0 bar 3 to 15 psig output pressure proportional to the 4 20 mA input signal The 0 2 to 1 0 bar 3 to 15 psig output pressure becomes the input signal pressure to the input module i FLAPPER DIRECT ACTING A Z bw NOZZLE REVERSE ACTING PIVOT SECTION A A RELAY GAIN ADJ SUPPLY RANGE SPRING RELAY GAIN AD SUPPLY MODULE ar SIGNAL FISHER 3661 POSITIONER I P CONVERTER 3660 and 3661 Positioners D101407X012 Product Bulletin Figure 3 Positioner Dimensions and Connections see table 5 for the X dimension ACTUATOR POST CENTERLINE
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