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Fisher-Rosemount 3660 Instruction Manual

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Instruction Manual
Form 5265
December 2000
Type 3660 and 3661 Positioners
Contents
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Type 3660 and 3661
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W7174 / IL
Figure 1. Type 3660 Positioner Mounted on a
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Baumann Actuator
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Summary of Contents for Fisher-Rosemount 3660

  • Page 1: Table Of Contents

    ......W7174 / IL Electrical Connections for Figure 1. Type 3660 Positioner Mounted on a Type 3661 Positioners ....
  • Page 2 Electromagnetic Interference (EMI) (Type 3661) 120°C (–40 to 250°F) When tested per SAMA Standard PMC 33.1-1978, Type 3660 with Pressure Gauges: –40 to 60°C change in steady-state deviation is less than ±1% in (–40 to 140°F) an electromagnetic field classified as 3-abc with a Type 3661 without Pressure Gauges: –40 to 80°C...

  • Page 3: Introduction

    Scope of Manual Specifications This instruction manual includes installation, operation, Specifications for the Type 3660 and 3661 positioners calibration, maintenance, and parts ordering are shown in table 1. information for the Type 3660 and 3661 positioners. Refer to separate instruction manuals for information Installation on the actuator and control valve.
  • Page 4 Type 3660 and 3661 Input Signal Positioner Output Direct 0.2 to 1.0 bar (3 to 15 psig) 0.4 to 2.0 bar (6 to 30 psig) 4 to 20 mA Reverse Up to 6.2 bar (90 psig) 1.0 to 0.2 bar (15 to 3 psig) 2.0 to 0.4 bar (30 to 6 psig)

  • Page 5: Positioner Mounting

    3 shows keys 61 through 78 and 101 through 104. spring. Other key numbers are shown in either figure 24 for the Type 3660 positioner or figure 25 for the Type Clamp Mounting 3661 positioner. Two mounting methods are available, center-bolt mounting and clamp mounting.
  • Page 6 Type 3660 and 3661 CENTER BOLT MOUNT NIPPLE MOUNTED FILTER REGULATOR CLAMP MOUNT SECTION FEEDBACK WEDGE NUT PLATE (KEY 104) (KEY 68) FEEDBACK LOCKWASHER ADAPTOR (K3Y 101) (KEY 103) FEEDBACK MACHINE SCREW LEVER (KEY 102) ASSEMBLY FILTER REGULATOR SIZE 45 WITH TRAVEL BETWEEN 20 AND 30 mm (0.787 AND 1.18 INCHES)

  • Page 7: Mounting On Baumann Actuators

    TRAVEL GREATER THAN 30mm (1.18 INCHES) During the following mounting procedures, refer to figures 2, 5, 6, 24, and 25. Key numbers are shown in either figure 24 for the Type 3660 positioner or figure STEM CONNECTOR ACTUATOR STEM 25 for the Type 3661 positioner.

  • Page 8: Mounting On The Type 657 And 667 Actuators

    78, and 82 through 93. Other key numbers are shown action, it may be necessary to straddle the travel in either figure 24 for the Type 3660 positioner or indicator scale located on the inside of the actuator figure 25 for the Type 3661 positioner.
  • Page 9 Type 3660 and 3661 TO POSITIONER TYPE 667 OUTPUT FILTER REGULATOR SECTION NIPPLE MOUNTED FILTER REGULATOR APPLY LUB 41B6744-D/DOC Figure 7. Positioner Mounting on Type 657 and 667 Actuators...
  • Page 10 Key numbers are shown in either figure 24 for the bracket on the actuator leg. Type 3660 positioner or figure 25 for the Type 3661 positioner. Key numbers for the feedback lever 10. Tighten the nuts that were not tightened in the assembly are shown in figure 26.

  • Page 11: Feedback Lever Assembly And Range Spring Installation

    Type 3660 and 3661 SPRING PIN FEEDBACK SPRING MUST HOOK AROUND SPRING PIN END OPPOSITE THE ZERO ADJUSTMENT SCREW ANTI-ROTATING SLOT FEEDBACK SHAFT ZERO ADJUSTMENT RETAINING SCREW (KEY 19P) FEEDBACK SPRING W7367 / IL Figure 9. Installing the Feedback Lever Assembly...
  • Page 12 Type 3660 and 3661 FEEDBACK LEVER W7366 / IL SHAFT ASSEMBLY W7365 / IL Figure 11. Range Spring Installation Figure 13. Pressing the Feedback Lever Assembly Busning into the Positioner CAUTION Installation of the feedback lever assembly (key 19) prior to installation of...

  • Page 13: Pressure Connections

    Pressure Connections 1. For the positioner, do not exceed the maximum Installing a Type 3660 or 3661 positioner requires pressure rating of 6.2 bar (90 psig). tubing and pressure fittings. The fittings, tubing, and mounting parts required depend on the type number 2.
  • Page 14 Type 3660 and 3661 ACTUATOR CENTERLINE TO POSITIONER Dim X Type Type Size Size Inch 92.2 3.63 95.3 3.75 657/667 104.9 4.13 45/46 108.0 4.25 50/60 128.5 5.06 86.0 3.39 1250 86.0 3.39 110.0 4.33 1.21 83.5 3.29 3024S 1.31 87.5...

  • Page 15: Instrument Connection

    Figure 16. FlowScannert Valve Diagnostic System Connections Instrument Connection Vent Connection The Type 3660 and 3661 positioners are equipped Connect the control device output to the positioner with a 1/4-inch NPT vent connection in the cover. INSTRUMENT connection. Use 3/8-inch tubing to 1/4-inch pipe.

  • Page 16: Calibration

    Type 3660 and 3661 D Release process pressure. 4 - 20 mA Refer to figure 24 (Type 3660) or figure 25 (Type 3661) for key number locations unless otherwise 60 Ohms 5.6V 5.6V 5.6V indicated. Adjustment locations are shown in figure 19.
  • Page 17 Type 3660 and 3661 INCREASE TRAVEL 28B0006-B / DOC Figure 19. Adjustment Locations (Equivalents of Pressures Shown in This Drawing are:6 bar = 86 psig, 4 bar = 58 psig, and 1.4 bar = 20 psig) 6. Remove the calibration tool (key 6) from the cover.

  • Page 18: Split Range Operation

    (key 24). Make sure the Type 3660 Bypass Operation Fisher logo reads correctly and the vent is pointing downward. Type 3660 positioners may be supplied with a bypass assembly. Split-Range Operation CAUTION Type 3660 and 3661 positioners can be used for...

  • Page 19: Principle Of Operation

    Type 3660 and 3661 Principle of Operation Refer to figure 21 for the 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...

  • Page 20: Changing The Positioner Action

    Type 3660 and 3661 FLAPPER DIRECT ACTING OUTPUT PIVOT NOZZLE REVERSE RANGE RELAY ACTING SPRING PIVOT SECTION A A GAIN ADJ SUPPLY RANGE SPRING RELAY GAIN ADJ PILOT PIVOT SHAFT BEAM FEEDBACK FEEDBACK LEVER PLATE BEAM INPUT SUPPLY MODULE PIVOT...

  • Page 21: Changing The Input Signal Range On Type 3660 Positioners

    Type 3660 and 3661 (key 19P) and pull the feedback lever assembly (key Clamp Mounting on Type 1250, 1250R, 19) out slightly to release the range spring (key 30) and 3024S Actuators tension. 2. Remove and replace the range spring (key 30).

  • Page 22: Disassembling And Assembling Relay Components

    Type 3660 and 3661 SPRING INPUT FLAPPER ALIGNED DIAPHRAGM PARALLEL ASSEMBLY ADJUSTING SCREW / FLAPPER ALIGNMENT SPRING TAB ALIGNED OVER CENTER OF NOZZLE LEVER TO INPUT MODULE MOUNTING SCREW LEVER MOUNTING SCREWS A4042-1/IL Figure 22. Flapper and Lever Alignment the feedback lever assembly (key 19) and loosen the to release the range spring (key 30) tension.

  • Page 23: Disassembling And Assembling The Bypass Valve

    10. Reconnect the supply, instrument and output 11B3925-B/DOC tubing, and turn on pressure to the positioner. Figure 23. Type 3660 Bypass Valve 9. With the flapper (key 9) in place, visually insure that Replacing the Type 3661 Converter it is aligned parallel to the cover plate assembly (key 8) Module as shown in figure 22.

  • Page 24: Parts Kits

    R3660X 00022 Lever assembly, aluminum 11B3908 X012 For Type 3660, the kits contain keys 9, 26, 27, 28, 29, 43, 44, Adjusting screw, stainless steel 11B3906 X012 45, 49, 95, and 97. Keys 43, 44, 45 and 49 are used for Feedback lever assembly, stainless steel Type 3660 with bypass only.

  • Page 25: Diagnostic Connections

    For units without supply gauge SST fittings 12B8053 X032 Note Brass fittings 12B8053 X042 Keys 41 through 49 and key 79 apply to Type 3660 Mounting Parts with bypass valve only. Refer to figure 23 Common Mounting Parts Elbow, brass Bypass body assembly, aluminum 32B1902 X012 2 req’d for Types 657, 1250 and 1250R...
  • Page 26 Type 3660 and 3661 SECTION C C VIEW D D WITHOUT GAUGES 51B3944-F / DOC Figure 24. Type 3660 Positioner Assembly Description Part Number Description Part Number Cap screw, pl steel (2 req’d) Machine screw, stainless steel (2 req’d) Types 657, 667, 1250, 1250R, and 3024S...
  • Page 27 Type 3660 and 3661 VIEW A A SECTION B B WITHOUT COVER 51B3944-F / DOC Figure 25. Type 3660 Positioner Assembly (continued) Description Part Number Description Part Number Mounting Bracket, stainless steel 31B6741 X012 Feedback arm, stainless steel 21B6740 X012...
  • Page 28 Type 3660 and 3661 VIEW D D SECTION C C VIEW A A WITH M20 CABLE GLAND VIEW A A WITHOUT COVER 51B3945-J / DOC Figure 25. Type 3661 Positioner Assembly...
  • Page 29 Type 3660 and 3661 SECTION B B 51B3945-J / DOC Figure 26. Type 3661 Positioner Assembly (continued)
  • Page 30 Type 3660 and 3661 28B9418-B / DOC STANDARD 28B9423-B / DOC FOR BAUMANN ACTUATORS Figure 26. Feedback Lever Assembly...

  • Page 31: Loop Schematics

    Type 3660 and 3661 Loop Schematics This section includes loop schematics required for wiring questions, contact your Fisher Controls sales of intrinsically safe installations. If you have any representative or sales office. CSA Schematics NO CHANGE IN PART OR VENDOR OF PART ALLOWED...
  • Page 32 FM Schematics 21B5607-B / DOC FlowScanner, Fisher, and Fisher-Rosemount, are marks owned by Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc. All other marks are the property of their respective owners. EFisher Controls International, Inc. 1987, 2000; All Rights Reserved 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.

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