Page 1: Table Of Contents
Instruction Manual Form 5739 Introduction February 2002 Type 846 and Model 3311 Current-to-Pressure Transducers Contents 5. Troubleshooting Diagnostic Features ..... . 5–1 1.
Page 2: Introduction
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 Section 1 Introduction Scope of Manual This instruction manual provides installation, operating, calibration, maintenance, and parts ordering information for the Type 846 and Model 3311 current-to-pressure transducers. Refer to separate manuals for instructions covering equipment used with the transducers.
Page 3 Instruction Manual Form 5739 Introduction February 2002 TERMINAL COMPARTMENT COVER TERMINAL BLOCK MODULE HOUSING ELECTRONIC CIRCUIT BOARD MODULE FINAL ASSEMBLY MODULE COVER A6643/IL Figure 1-2. Transducer Modular Construction 1–3...
Page 4 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 Table 1-1. Specifications Input Signal Output Air Capacity Standard: 6.7 normal m /hr (4.0 scfm) at 1.4 bar Standard Performance: (20 psi) supply pressure 4 to 20 mA dc, 4 to 12 mA dc, or 12 to 20 mA dc. Multirange: 9.0 normal m /hr (6.0 scfm) at 2.5 Field adjustable split ranging...
Page 5 Instruction Manual Form 5739 Introduction February 2002 Table 1-1. Specifications (continued) Performance (continued) Groups A, B, C, and D; Class II, Division 1, Groups E, F, and G; and Class III, Division 1, hazardous locations. Overpressure Effect: Less than 0.25% of span for misapplication of up to 7.0 bar (100 psi) supply Non-incendive for Class I, Division 2, Groups pressure for less than 5 minutes to the input port.
Page 6 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 Table 1-1. Specifications (continued) Enclosure Rating O-Rings: Nitrile except silicone for sensor O-rings NEMA 4X (FM, Factory Mutual) CSA Enclosure Type 4X (CSA, Canadian Options Standards Association) IP66 (BASEEFA) Type 67CFR filter regulator, supply and output IP65 (SAA, Standards Association of Australia) gauges or tire valve remote pressure reading,...
Page 7 Instruction Manual Form 5739 Introduction February 2002 Table 1-3. Model Number Table Model Product Description 3311/0846 Current-to-Pressure Transducer Code Action Direct—Output changes directly with input Reverse—Output changes inversely with input Code Performance Standard (Typical Output: 3–15 psi; Wide rangebility betweeen 1 and 18 psi) Multirange (Typical Outputs: 3–27 psi, 6–30 psi, and 5–25 psi;...
Page 8 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 1–8...
Page 9: Installation
Instruction Manual Form 5739 Installation February 2002 D Bolts that connect to the transducer and to a Section 2 Installation2-2- valve actuator should have the lock washer placed This section presents information on installing the directly beneath the bolt head and the flat washer Type 846 and Model 3311 current-to-pressure placed between the lock washer and bracket.
Page 10 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 CONDUIT CONNECTION 1/2 - 14 NPT OUTPUT PORT 1/4 - 18 NPT (5.07) (4.68) EXHAUST PORT NAMEPLATE UNDERNEATH NAMEPLATE (1.38) MODULE COVER WITH STROKE PORT MULTIPLE PORTS (1.13) (1.16) COVER REMOVAL (2.31)
Page 11 Instruction Manual Form 5739 Installation February 2002 FOR PROPER MOISTURE DRAINAGE THIS END MUST BE UP (8.48) (7.51) COVER REMOVAL (.25) (2.62) CLEARANCE (.50) (3.08) (6.15) CENTERLINE MODULE OF ACTUATOR (5.38) COVER REMOVAL CLEARANCE YOKE MOUNTED NOTE: THE MOUNTING POSITIONS SHOWN ALLOW ANY MOISUTRE BUILDUP IN THE TERMINAL COMPARTMENT TO DRAIN TO THE SIGNAL WIRE CONDUIT ENTRANCE.
Page 12 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 ADDITIONAL ADAPTER PLATE MOUNTING BRACKET PART NUMBER 03311-0318-0001 FOR PROPER MOISTURE (SEE DETAIL “A”) REQUIRED FOR I/P WITH FOR PROPER DRAINAGE, THE I/P STAINLESS STEEL HOUSING MOISTURE MUST BE MOUNTED ON DRAINAGE, TOP OF THE PIPE THIS END...
Page 13: Output Pressure
Instruction Manual Form 5739 Installation February 2002 4 X 10 (0.375) FOR STAINLESS STEEL HOUSING, (3.50) ALIGN 4 HOLES WITH I/P HOUSING (.89) (1.18) (1.13) (3.50) 5 X 10 (0.375) (1.16) FOR ALUMINUM HOUSING, ALIGN 3 HOLES WITH I/P HOUSING (2.312) DETAIL A"...
Page 14 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 (3.2) SUPPLY GAGE OUTPUT GAGE FILTER- REGULATOR TYPE 67CFR (1.92) 14-18 NPT SUPPLY CONN (2.83) 1/4-18 NPT (0.36) OUTLET CONN 14B7332-D PLUGGED WHEN E0776 / IL GAUGE NOT FURNISHED TRANSDUCER WITH GAUGES EXTERNAL EARTHING CONNECTION, SST TERMINAL CLAMP AND SLOTTED M5 SCREW AND SPLIT...
Page 15: Electrical Connections
Instruction Manual Form 5739 Installation February 2002 D excessive vibration. connection. The use of shielded cable will ensure proper operation in electrically noisy environments. D pressure pulsation. D excessive instrument Connect the positive signal lead to the positive temperature. terminal, marked +. Connect the negative signal lead to the negative terminal, marked –.
Page 16: Exhaust Port
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 port is clear. Do not mount the transducer in a location where foreign material may cover the stroke port. For information on using the stroke port, refer to Section 5 – Troubleshooting. Exhaust Port The transducer exhausts through a screened port located beneath the instrument nameplate.
Page 17: Calibration
Instruction Manual Form 5739 Calibration February 2002 Section 3 Calibration3-3- Calibration of the Type 846 and Model 3311 requires ADJUST THE CURRENT SOURCE TO PROVIDE either an accurate current generator or an accurate THE 4 AND 20 mA SET POINTS voltage generator with a precision 250-ohm, 1/2-watt resistor.
Page 18: Multirange Performance: Full Range Input, Direct Action
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 Table 3-1 Type 846 and Model 3311 I/P Rangeability Matrix Output Pressure Range (psi) (Performance Code) Input Input Range Common Ranges Misc. Std. Split High Range Splits 3–15 .5–30 3–27 6–30 5–25...
Page 19: Standard Performance: Split Range Input, Direct Action
Instruction Manual Form 5739 Calibration February 2002 Standard Performance: Split Range 6. Repeat steps 4 and 5 to verify and complete the calibration. Input, Direct Action 7. Turn off the air supply. Remove the module final assembly from the housing. Place the range jumper 4 to 12 mA Input Signal in the Lo position for Low Range, as indicated in Use the following calibration procedure to produce a...
Page 20: Standard Performance: Split Range Input, Reverse Action
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 electronic circuit board identifies reverse-acting Note units. Refer to Action under the heading Electronic Circuit Board in Section 6 for more information on There may be some span interaction reverse acting units.
Page 21: Transporting The Module Final Assembly
Instruction Manual Form 5739 Calibration February 2002 10–50 mA Input Signal Transporting the Module Final Assembly Use the previous procedures and replace 4–20 mA references with the appropriate 10–50 mA numbers; The transducer allows the module final assembly to for example: be removed while the housing is in its installed position.
Page 22 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 3–6...
Page 23: Principle Of Operation
Instruction Manual Form 5739 Principle of Operation February 2002 Section 4 The actuator performs the task of converting electrical energy (current) to motion. It uses a Principle of Operation4-4- patented, coaxial moving magnet design optimized for efficient operation and is highly damped at its The following paragraphs describe the functional mechanical resonance.
Page 24: Booster Stage
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 4 to 20 MA INPUT ELECTRONIC CIRCUIT MAGNETIC ACTUATOR SOLID-STATE PRESSURE PILOT STAGE SENSOR BOOSTER STAGE W6287/IL TO VALVE ACTUATOR Figure 4-2. Detail of Deflector/Nozzle Pilot Stage 3 TO 15 PSI A6324-1/IL OUTPUT, TYPICAL Figure 4-1.
Page 25: Troubleshooting
Instruction Manual Form 5739 Troubleshooting February 2002 Section 5 Troubleshooting5-5- A jumper on the circuit board activates the Remote Pressure Reading function. Section 6 Maintenance The modular design and unitized subassemblies of provides instruction on positioning the jumper. The the Type 846 and Model 3311 allow for quick and jumper, shown in figure 6-5, has two positions: N for easy troubleshooting and repair.
Page 26: Using A Frequency Counter To Read The Rpr Signal
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 CONTROLLER POWER SUPPLY TEST PINS POSITIVE NEGATIVE FREQUENCY COUNTER GROUND NOTE: IF A HART COMMUNICATOR IS NOT AVAILABLE, A FREQUENCY COUNTER CAN BE USED IN ITS PLACE. SEE TEXT TO CONVERT THE FREQUENCY DISPLAY TO OUTPUT PRESSURE B2466/IL Figure 5-1.
Page 27: In-Service Troubleshooting
Instruction Manual Form 5739 Troubleshooting February 2002 TROUBLESHOOTING TROUBLESHOOTING FROM THE IN THE CONTROL ROOM FIELD NOTE: AFTER FINAL CORRECTIVE ACTION, CHECK LOOP OPERATION. IF NOT OK, RESTART TROUBLESHOOTING PROCEDURE. REFER TO REPLACING THE MODULE FINAL ASSEMBLY IN SECTION 6. C0789/IL Figure 5-5.
Page 28 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 2. Confirm the general functionality of the unit by 9. Remove the terminal compartment cover (see using the diagnostic features described earlier in this Warning above), and, using a digital voltmeter, section.
Page 29: Troubleshooting In The Shop
Instruction Manual Form 5739 Troubleshooting February 2002 Before making the following checks, disconnect both The three subassemblies are the pilot/actuator signal wires from the transducer, and ensure the assembly, the electronic circuit board, and the module final assembly is removed from the housing. module subassembly.
Page 30 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 2. Remove the electronic circuit board from the module final assembly. Section 6—Maintenance describes how to remove the board. a. Inspect the O-rings around the sensor for damage and replace them if necessary. b.
Page 31: Maintenance
Instruction Manual Form 5739 Maintenance February 2002 Section 6 Maintenance6-6- Table 6-1. O-Ring Sizes Description Qty. Size Section 6 describes the major components, Module O-rings assembly, and disassembly of the Type 846 and Model 3311 current-to-pressure transducers. Pilot/Actuator O-rings Circuit Board O-rings Module Cover O-ring WARNING Terminal Cover O-ring...
Page 32 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 ELECTRONIC CIRCUIT BOARD SCREWS ELECTRONIC CIRUIT BOARD SENSOR SEAL MODULE SUBASSEMBLY PILOT/ACTUATOR ASSEMBLY ELECTRONIC CIRCUIT BOARD O-RINGS MODULE O-RINGS TERMINAL COVER MODULE HOUSING PILOT/ACTUATOR V-GROOVE ASSEMBLY O-RINGS ALIGNMENT MARK PILOT/ACTUATOR ASSEMBLY SCREWS MODULE FINAL ASSEMBLY...
Page 33: Replacing The Module Final Assembly
Instruction Manual Form 5739 Maintenance February 2002 MODULE ALIGNMENT INDICATING BOSS A6650/IL A6649/IL Figure 6-3. Removing the Module Final Assembly from the Module Cover Figure 6-2. Alignment Key Above Module Cover Indicating Boss compartment cover. Unscrew the module cover. Grasp the module cover with one hand and the module final assembly with the other hand.
Page 34: Electronic Circuit Board
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 key slot. Figure 6-1 shows the location of the V-groove and the indicating mark. 8. Insert the module, engage the module cover threads, and screw on the module cover. The module final assembly will automatically engage the electrical feedthroughs and span and zero screws.
Page 35: Range Jumper
Instruction Manual Form 5739 Maintenance February 2002 For reverse action units, output changes inversely with a change in input. For example, as the input increases from 4 to 20 mA the output decreases from 1.0 to 0.2 bar (15 to 3 psi). Reverse action HIGH circuit boards are red in color.
Page 36: Replacing The Electronic Circuit Board
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 CORRECT POSITION ALIGNMENT ELECTRONIC CIRCUIT BOARD MANIFOLD RUBBER SOLID STATE DIAPHRAGM PRESSURE SENSOR INCORRECT POSITION ELECTRONIC CIRCUIT BOARD MANIFOLD MOUNTING SCREWS A6653/IL Figure 6-6. Positioning the Pressure Sensor with the cavity in the module subassembly. The A6654/IL current design does not require the sensor seal Figure 6-7.
Page 37: Replacing The Pilot/Actuator Assembly
Instruction Manual Form 5739 Maintenance February 2002 WIRE DEFLECTOR BAR WIRE A6655-1/IL PLASTIC HOUSING Figure 6-8. Cleaning the Nozzles D Insert the wire into each nozzle separately 4. Prepare to insert the assembly by aligning the from the outside as shown in figure 6-8. key on the pilot/actuator assembly with the key slot in the module subassembly.
Page 38: Exhaust And Stroke Port Screens
Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 Exhaust and Stroke Port Screens TEST PINS TERMINAL BLOCK Two identical screens, the exhaust port screen and CONNECTION BOARD the stroke port screen, allow air to vent to the outside environment.
Page 39: Parts List
Instruction Manual Form 5739 Parts List February 2002 Section 7 Parts List7- Whenever corresponding with the Fisher sales office Fisher part number of each required part. Figure 7-1 or sales representative about this equipment, always shows the key numbers for all replaceable parts. mention the transducer serial number.
Page 40 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 B2467/IL Figure 7-1. Exploded Parts Drawing 7–2...
Page 41 Instruction Manual Form 5739 Parts List February 2002 B2468 / IL Figure 7-1. Exploded Parts Drawing (continued) 7–3...
Page 42 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 Table 7-1. Parts List Cross Reference (continued) Gauges 0–60 psi/bar/kPa (supply) 03311-0258-0001 19B3088X012 0–30 psi/bar/kPa (output) 03311–0258–0002 19B3086X012 0–60 psi/bar/kPa (supply) 03311–0258–0003 19B3088X012 0–30 psi/bar/kPa (output) 03311–0258–0004 19B3086X012 0–60 psi/kg/cm (supply) 03311–0258–0007 19B3090X012...
Page 43: Loop Schematics
Instruction Manual Form 5739 Loop Schematics February 2002 Section 8 Loop Schematics This section includes loop schematics required for wiring of intrinsically safe installations. If you have any questions, contact your Fisher Controls sales representative or sales office. CSA Schematics 13B8779-C/ doc 8–1...
Page 44 Instruction Manual Form 5739 Type 846 and Model 3311 February 2002 FM Schematics 13B8780-C/ doc 8–2...
Page 45 Instruction Manual Form 5354 Index February 2002 Index Installation, 2-1 Booster Stage, 4-2 Loop Schematics CSA, 8-1 FM, 8-2 Calibration, 3-1 Connections Magnetic Actuator, 4-1 Electrical, 2-7 Maintenance, 6-1 Output Pressure, 2-5 Supply Pressure, 2-1 Model Number Table, 1-7 Module Final Assembly, 6-1 Removing, 6-1 Replacing, 6-3 Transporting, 3-5...
Page 46 Instruction Manual Form 5354 Type 846 and Model 3311 February 2002 Product Description, 1-2 Full Range Direct Action, 3-1 Reverse Action, 3-3 Split Range Direct Action, 3-3 Reverse Action, 3-4 Range Jumper, 6-5 Stroke Port, 2-7 Remote Pressure Reading (RPR) Jumper, 6-4 Supply Pressure Connection, 2-1 Specifications, 1-2 Terminal Compartment, 6-7...
Page 48 European Union. Fisher and Fisher-Rosemont are marks owned by Fisher Controls International, Inc. or Fisher-Rosemont Systems Inc., businesses of Emerson Process Management. The Emerson logo is a trademark and service mark of Emerson Electric Co. HART is a mark owned by the HART Communications Foundation.

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Fisher 3311

Emerson Fisher 846 Instruction Manual

1 Introduction

2 Installation

3 Calibration

4 Principle of Operation

5 Troubleshooting

6 Maintenance

7 Parts List

8 Loop Schematics

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Troubleshooting

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