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Type 846 and Model 3311

Instruction Manual

Form 5739

February 2002

7–2

Figure 7-1. Exploded Parts Drawing

B2467/IL

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Summary of Contents for Fisher 3311

Page 1: ... 3 4 12 to 20 mA Input Signal 3 4 10 to 50 mA Input Signal 3 5 Transporting the Module Final Assembly 3 5 4 Principle of Operation Electronic Circuit 4 1 Magnetic Actuator 4 1 Pilot Stage 4 1 Booster Stage 4 2 5 Troubleshooting Diagnostic Features 5 1 Stroke Port 5 1 Remote Pressure Reading RPR 5 1 Using the HARTR Communicator to Read the RPR Signal 5 1 Using a Frequency Counter to Read the RPR Si...

Page 2: ...plication of the transducer is to receive an electrical signal from a controller and produce a pneumatic output for operating a control valve actuator or positioner The Type 846 and Model 3311 may also be used to transduce a signal for a pneumatic receiving instrument The Type 846 and Model 3311 are electronic I P transducers They have a single electronic circuit board as shown in figure 1 2 The c...

Page 3: ...Instruction Manual Form 5739 February 2002 1 3 Figure 1 2 Transducer Modular Construction A6643 IL MODULE COVER MODULE FINAL ASSEMBLY ELECTRONIC CIRCUIT BOARD MODULE HOUSING TERMINAL BLOCK TERMINAL COMPARTMENT COVER ...

Page 4: ...aximum 2 4 bar 35 psi Output Air Capacity 2 Standard 6 7 normal m3 hr 4 0 scfm at 1 4 bar 20 psi supply pressure Multirange 9 0 normal m3 hr 6 0 scfm at 2 5 bar 35 psig supply pressure Steady State Air Consumption 1 2 0 3 normal m3 hr 0 20 scfm at 1 4 bar 20 psi supply pressure Temperature Limits Operating 1 40 to 85_C 40 to 185_F Storage 1 40 to 93_C 40 to 200_F Humidity Limits 0 to 100 condensin...

Page 5: ...ust Ignition proof for Class II Division 1 Groups E F and G and Class III Division 1 hazardous locations Factory Sealed Intrinsically safe for Class I Division 1 Groups A B C and D Class II Division 1 Groups E F and G and Class III Division 1 hazardous locations Non incendive for Class I Division 2 Groups A B C and D Canadian Standards Association CSA Approvals C6 Explosion proof for Class I Divis...

Page 6: ... and 1 01325 bar absolute Scfm Standard cubic feet per minute 60_F and 14 7 psia 3 Reference Conditions 4 0 to 20 mA dc input 0 2 to 1 0 bar 3 to 15 psi output and 1 4 bar 20 psi supply pressure 4 0 14 bar 2 psi for a 2 3 bar 33 psi output 5 Metric calibration also available Figure 1 3 Typical Nameplate INFORMATION IN THIS AREA IDENTIFIES THE HAZARDOUS AREA CLASSIFICATION AND APPROVALS FOR THE PRO...

Page 7: ...nuts and bolts for use with aluminum housing Filter regulator SST bolts SST Filter regulator SST bolts Supply gauge 0 60 psi 0 400 kPa 0 4 bar Output gauge 0 30 psi 0 200 kPa 0 2 bar Supply gauge 0 60 psi 0 4 kg cm2 Output gauge 0 30 psi 0 2 kg cm2 Output gauge 0 60 psi 0 400 kPa 0 4 bar SST Supply gauge 0 60 psi 0 400 kPa 0 4 bar SST Output gauge 0 60 psi 0 400 kPa 0 4 bar SST Output gauge 0 60 p...

Page 8: ...Type 846 and Model 3311 Instruction Manual Form 5739 February 2002 1 8 ...

Page 9: ...ive moisture in the supply air vertical mounting allows the most effective drainage through the stroke port Mounting is accomplished with an optional universal mounting bracket Before mounting the transducer note the following recommendations D Ensure that all bolts are fully tightened The recommended torque is 22 NSm 16 lbfSft D Bolts that connect to the transducer and to a valve actuator should ...

Page 10: ...GAUGE PORT 1 4 18 NPT NAMEPLATE EXHAUST PORT UNDERNEATH NAMEPLATE CONDUIT CONNECTION 1 2 14 NPT OUTPUT PORT 1 4 18 NPT MODULE COVER WITH MULTIPLE PORTS WIRING CONNECTION 35 1 38 29 1 13 59 2 31 COVER REMOVAL 110 4 33 102 4 00 5 16 18 2 O RING GROOVE FOR FILTER REGULATOR SUPPLY PORT 1 4 18 NPT POSITIVE NEGATIVE GROUND mm INCHES B2473 1 IL TEST PINS 29 1 16 ...

Page 11: ...a nominal supply pressure of 1 4 bar 20 psi and a flow capacity not less than 0 11 m3 min 4 SCFM For multirange performance units with higher output spans the supply pressure should be at least 0 2 bar 3 psi greater than the maximum calibrated output pressure The air supply line can be connected to the 1 4 18 NPT supply port or to the supply port of a filter regulator mounted directly to the trans...

Page 12: ...L ADAPTER PLATE PART NUMBER 03311 0318 0001 REQUIRED FOR I P WITH STAINLESS STEEL HOUSING 3 HORIZONTAL MOUNT 2 ADDITIONAL ADAPTER PLATE PART NUMBER 03311 0318 0001 REQUIRED FOR I P WITH STAINLESS STEEL HOUSING 2 INCH PIPESTAND MOUNTING NOTES THE MOUNTING POSITIONS SHOWN ALLOW ANY MOISUTRE BUILDUP IN THE TERMINAL COMPARTMENT TO DRAIN TO THE SIGNAL WIRE CONDUIT ENTRANCE DO NOT MOUNT THE TRANSDUCER W...

Page 13: ...S 34B4990 C 34B5000 B E0787 Output Pressure Connect the output signal line to the transducer at the output port The output port is 1 4 18 NPT as shown in figure 2 1 The output gauge port can be used as an alternate signal port If the gauge port is used as a signal port a threaded plug must be installed in the output port The output gauge port allows connection of an output gauge to provide local o...

Page 14: ...CREW 3 mm 4 75 121 MODULE COVER HOUSING EXTERNAL EARTHING CONNECTION SST TERMINAL CLAMP AND SLOTTED M5 SCREW AND SPLIT RING WASHER 3 62 92 162 6 38 121 4 75 mm INCH B2465 IL TRANSDUCER WITH CENELEC CERTIFICATION TRANSDUCER WITH GAUGES SUPPLY GAGE 49 1 92 72 2 83 9 0 36 81 3 2 OUTPUT GAGE FILTER REGULATOR 14B7332 D E0776 IL 1 4 18 NPT OUTLET CONN PLUGGED WHEN GAUGE NOT FURNISHED TYPE 67CFR 14 18 NP...

Page 15: ...n figure 2 4 units with CENELEC certification also have an external earthing connection The use of shielded cable will ensure proper operation in electrically noisy environments Connect the positive signal lead to the positive terminal marked Connect the negative signal lead to the negative terminal marked Note Units with the Remote Pressure Reading RPR option may cause interference with the analo...

Page 16: ...instrument nameplate Figure 2 1 shows the location of the exhaust port The nameplate holds the screen in place Exhaust will occur with a reduction in output pressure The transducer should not be mounted in a location where foreign material may clog the exhaust port Signal Interruption Upon loss of input current or if input current decreases below 3 3 0 3 mA the output of the direct action unit wil...

Page 17: ...Action 1 Table 3 1 lists the various input and output ranges over which the unit may be calibrated The input range is selected by changing the position of a jumper located on the electronic circuit board Figure 3 1 Connecting a Current or Voltage Source for Calibration ADJUST THE CURRENT SOURCE TO PROVIDE THE 4 AND 20 mA SET POINTS CALIBRATION USING A CURRENT SOURCE CALIBRATION USING A VOLTAGE SOU...

Page 18: ...nect the current source or voltage source positive lead to the terminal block positive and the current source 250 ohm resistor lead negative lead to the terminal block negative Refer to figure 3 1 CAUTION Excessive current can damage the transducer Do not connect an input current of more than 100 mA to the transducer 10 Apply a 4 0 mA Vm 1 0 V signal and adjust the zero screw to achieve a 0 2 bar ...

Page 19: ... psi 6 Repeat steps 4 and 5 to verify and complete the calibration 7 Turn off the air supply Remove the module final assembly from the housing Place the range jumper in the Lo position for Low Range as indicated in figure 6 5 Replace the module final assembly Turn on the air supply 8 Apply an input of 12 0 mA Vm 3 0 V and adjust the zero screw to achieve an output of 0 2 bar 3 0 psi 9 Apply an inp...

Page 20: ... for a 12 to 20 mA input signal Note There may be some span interaction with zero in this range and the following steps compensate for this 1 Perform steps 1 through 9 of the calibration procedure for Standard Performance Full Range Input Direct Action except for step 2 In place of step 2 confirm that the unit is reverse action A red electronic circuit board identifies reverse acting units Refer t...

Page 21: ...y to be removed while the housing is in its installed position In the event the transducer does not function properly an operational module final assembly can be taken to the field and exchanged with the nonfunctional module After the transducer is calibrated in the shop the module final assembly can be removed from the housing At the time the span and zero screws disengage there will be minimal e...

Page 22: ...Type 846 and Model 3311 Instruction Manual Form 5739 February 2002 3 6 ...

Page 23: ...when it senses a discrepancy between the pressure measured by the sensor and the pressure required by the input signal The actuator performs the task of converting electrical energy current to motion It uses a patented coaxial moving magnet design optimized for efficient operation and is highly damped at its mechanical resonance A silicone rubber diaphragm protects its working magnetic gaps from c...

Page 24: ...ULATED AIR SUPPLY A6645 IL Booster Stage The receiver nozzle pressure controls the booster stage which has a poppet valve design An increase in receiver nozzle pressure positions the valving in the booster stage to produce an increase in the transducer output signal A decrease in the receiver nozzle pressure positions the valving in the booster stage to allow exhaust to occur decreasing the output...

Page 25: ...nge of the RPR function is 5 000 to 8 000 Hz A jumper on the circuit board activates the Remote Pressure Reading function Section 6 Maintenance provides instruction on positioning the jumper The jumper shown in figure 6 5 has two positions N for ON or D for OFF The RPR jumper is in the N ON position when the unit ships from the factory unless otherwise specificed Using the HARTR Communicator to Re...

Page 26: ...tible device the first menu to appear after powering is the Main menu From within the Main menu you can access the Frequency Device menu figure 5 4 by pressing the 4 key Figure 5 4 HART Communicator Frequency Device Menu A6648 IL Using a Frequency Counter to Read the RPR Signal A frequency counter also can be used for Remote Pressure Reading The frequency counter displays the RPR output in the sam...

Page 27: ...89 IL Note The Remote Pressure Reading RPR frequency signal has an amplitude of 0 4 to 1 0 V peak to peak If other noise frequency with a comparable or greater amplitude is present on the line it may make the RPR frequency signal unreadable In service Troubleshooting A number of simple checks can be made on the transducer while the unit is in service Figure 5 5 shows a troubleshooting flowchart 1 ...

Page 28: ...tive terminals The voltage should measure 6 0 to 8 2 V A lower voltage can indicate a short in the input wires or defective controller No voltage can indicate an open circuit in the control loop A voltage of greater than 8 5 volts indicates a problem with the transducer a faulty or corroded connection at the transducer or an overcurrent condition Replace the module final assembly If the voltage is...

Page 29: ...n be returned to the shop for troubleshooting Troubleshooting in the Shop If the entire transducer is brought to the shop for troubleshooting then the preceding sequence applies If only the module final assembly has been brought to the shop then use another Type 846 or Model 3311 housing as a test fixture Insert the module into the test fixture Perform the previous steps as they apply of the In se...

Page 30: ...and areas around the sensor for foreign material and clean if necessary c Reassemble and check operation d If the transducer does not function replace the electronic circuit board with a new one Refer to Electronic Circuit Board in Section 6 for complete removal information e Reassemble and check operation 3 The module subassembly is aligned at the factory and should not be further disassembled If...

Page 31: ...inal assembly Table 6 1 shows the O ring sizes A slip ring is located around the module feet It allows the module cover to turn easily when the module final assembly is being removed from the housing Table 6 1 O Ring Sizes Description Qty Size Module O rings 1 2 043 042 Pilot Actuator O rings 2 006 Circuit Board O rings 2 1 016 005 Module Cover O ring 1 238 Terminal Cover O ring 1 238 Filter Regul...

Page 32: ... SUBASSEMBLY PILOT ACTUATOR ASSEMBLY PILOT ACTUATOR ASSEMBLY SCREWS PILOT ACTUATOR ASSEMBLY O RINGS MODULE O RINGS ELECTRONIC CIRCUIT BOARD O RINGS TERMINAL COVER MODULE HOUSING V GROOVE ALIGNMENT MARK MODULE FINAL ASSEMBLY V GROOVE MODULE FEET SLIP RING O RING MODULE COVER INDICATING BOSS ALIGNMENT KEY MODULE COVER COVER SLOT 2 O RING CLIP RETAINING CLIP 2 STROKE PORT SCREEN KEY SLOT C0790 IL ...

Page 33: ...moving the Module Final Assembly from the Module Cover A6650 IL Grasp the module cover with one hand and the module final assembly with the other hand Rotate the module final assembly so that the module alignment key is directly above the indicating boss on the module cover Figure 6 2 shows the module alignment key and the indicating boss The module feet are now aligned with the cover slots 3 Remo...

Page 34: ...ical feedthroughs and span and zero screws 9 Hand tighten the module cover as much as possible Use a wrench or long screwdriver shaft to tighten the module cover an additional 1 4 to 1 2 turn 24 to 27 NSm 18 to 20 lbfSft For units with CENELEC Flameproof Certification make sure the cover lock and screw have been securely re installed The screw accepts a 3 mm hex drive Note When the module cover is...

Page 35: ... 0 1 bar 1 psi In the same situation the output of the reverse action unit increases to near supply pressure Removing the Electronic Circuit Board The electronic circuit board is connected to the module final assembly by five mounting screws The circuit board must be removed to inspect the pressure sensor located beneath it To remove the circuit board remove the five mounting screws and pull upwar...

Page 36: ...bly The pilot actuator assembly is located at the bottom of the module final assembly as shown in figure 6 1 It is a unitized assembly consisting of the coil magnet and spring of the actuator and the deflector and nozzles of the pilot stage Two O rings are part of the pilot actuator assembly Table 6 1 shows the O ring sizes They are located in the beveled O ring Figure 6 7 Pilot Actuator Assembly ...

Page 37: ...r passageway should be visible through the O ring inside diameter 4 Prepare to insert the assembly by aligning the key on the pilot actuator assembly with the key slot in the module subassembly 5 Insert the assembly into the module subassembly and engage the four mounting screws Module Subassembly The module subassembly shown in figure 6 1 consists of the module final assembly with both the electr...

Page 38: ...erminal compartment cover O ring Exhaust and Stroke Port Screens Two identical screens the exhaust port screen and the stroke port screen allow air to vent to the outside environment The exhaust port screen is located behind the nameplate Removing the two nameplate screws and rotating the nameplate to the side allows access to the exhaust port screen Figure 7 1 shows an exploded parts view The str...

Page 39: ... 0003 13B8792 X012 18B5802 X012 B B 12 Pilot Actuator Assembly 1 Standard Performance Only Direct Action Reverse Action 03311 0410 0001 03311 0410 0002 13B8793 X012 13B8794 X012 B B 8 Circuit Board Assembly 1 Standard Performance Only Direct Action Reverse Action Direct Action 10 50 mA 03311 0411 0005 03311 0411 0006 03311 0411 0007 13B8795 X012 13B8796 X012 18B5803 X012 B B B 3 Housing 2 Standard...

Page 40: ...Type 846 and Model 3311 Instruction Manual Form 5739 February 2002 7 2 Figure 7 1 Exploded Parts Drawing B2467 IL ...

Page 41: ...Parts List Instruction Manual Form 5739 February 2002 7 3 Figure 7 1 Exploded Parts Drawing continued B2468 IL ...

Page 42: ...811 X022 B Filter Regulator with Direct Mounting Kit 7 9 SST Bolts 62 Yr 03311 0425 0002 18B5813 X022 B Universal Mounting Bracket Epoxy Painted Carbon Steel Carbon Steel Nuts Bolts Epoxy Painted Carbon steel SST Nuts Bolts 316 SST SST Nuts Bolts for use with SST Housing 316 SST SST Nuts Bolts for use with Aluminum Housing 03311 0404 0001 03311 0404 0002 03311 0404 0003 03311 0404 0004 18B5816 X01...

Page 43: ...ry 2002 8 1 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 13B8779 C doc CSA Schematics ...

Page 44: ...Type 846 and Model 3311 Instruction Manual Form 5739 February 2002 8 2 FM Schematics 13B8780 C doc ...

Page 45: ...ode 2 8 H HART Communicator 5 1 Operating Off line 5 1 Wiring Connections 5 1 I Installation 2 1 L Loop Schematics CSA 8 1 FM 8 2 M Magnetic Actuator 4 1 Maintenance 6 1 Model Number Table 1 7 Module Final Assembly 6 1 Removing 6 1 Replacing 6 3 Transporting 3 5 Module Subassembly 6 7 Mounting 2 1 Multirange Performance Full Range Direct Action 3 2 Reverse Action 3 3 O O ring Sizes 6 1 Output Gaug...

Page 46: ...RPR Jumper 6 4 S Specifications 1 2 Standard Performance 10 to 50 mA Input 3 5 12 to 20 mA Input 3 3 4 to 12 mA Input 3 3 Full Range Direct Action 3 1 Reverse Action 3 3 Split Range Direct Action 3 3 Reverse Action 3 4 Stroke Port 2 7 Supply Pressure Connection 2 1 T Terminal Compartment 6 7 Troubleshooting In the Shop 5 5 In service 5 3 ...

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Page 48: ...ery 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 We reserve the right to modify or improve the designs or specifications of such products at any time without notice EFisher Controls International Inc 2002 All Rights Reserved Fisher and Fishe...

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