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Emerson L2 Instruction Manual

1. 24 VDC POWER SUPPLY GREEN GND lt 1 BROWN W9795 4 easy Drive ACTUATOR WITH FISHER D3 CONTROL VALVE easy Drive ACTUATOR POWER AND CONTROL TERMINAL j FloBoss 107 Al DI MODULE OR FloBoss 107 DIs ON CPU MODULE S OPTIONAL I O ASSEMBLY 9 9 9 9 9 9 9 9 9 DDC0783A thes Dus ci PCM CIAR dera CEP ab PO HORMONAL e de lor cit cd 1 1 gt CONNECT GREEN WIRE TO ACTUATOR GROUND NOT SHOWN 2 gt OPEN CONTACT 2 MAY BE LABELED AND CLOSE CONTACT 3 MAY BE LABLED L2e Controller Instruction Manual June 2014 D103531X012 2e Initial Setup Dry Displacer Refer to figure 6 1 Move Span to minimum setting 2 Move Zero down until the valve opens or N C contact red to brown leads closes 3 Slowly move Zero up until valve closes or N C contact red to brown leads opens 2e Zero and Span Adjustment Wet Displacer After initial setup dry displacer is complete 1 Enable process flow into the vessel 2 Move Zero and Span Adjustment for desired liquid zero position and level DG 3 Tighten the Zero Adjustment hex nut key 5 shown in figure 7 to lock the Zero setting Note Scan the QR code shown in figure 6 or on the inside cover of the L2e for electric level loop field support Figure 6 Initial Setup SCAN FOR L2e AND easy Drive FIELD SUPPORT INITIAL SETUP DRY DISPLACER 1 MOVE SPAN TO MINIMUM SE
2. 66 onto the displacer rod and secure with the hex nut key 67 Fully tighten the hex nut key 67 Examine the sensor to ensure that the two pivot knife edges are seated in the pivot base slots Install the sensor on the vessel Replacing the Complete Controller Assembly RL2ECTLRX12 Refer to figure 7 for key number locations unless otherwise indicated CON DU A U N Disconnect power from any electrical source Slide the hook end of the zero spring key 7 over and off the controller end of the displacer rod key 64 Remove the four controller mounting screws key 24 and pull the controller straight away from the sensor Install the new controller assembly on the sensor Mount with the four screws key 24 Slide the hook end of the zero spring key 7 on the controller end of the displacer rod key 64 Complete signal wiring hookup to easy Drive electric actuator Perform the Initial Setup Dry Displacer and Zero and Span Adjustment procedures found on page 10 Note Use with easy Drive electric actuator after first being used in other high power application is not recommended L2e Controller Instruction Manual June 2014 D103531X012 Related Documents e Bulletin 34 2 12 Fisher L2e Electric Level Controller D103532X012 e Changing easy Drive Electric Actuator On Off Input Configuration from Single Dry Contact Control to Dual Dry Contact Control Supplement to L2e Electric Level Controller Instructi
3. For information on available courses for L2e electric liquid level controllers as well as a variety of other products contact Emerson Process Management Educational Services Registration Phone 1 641 754 3771 or 1 800 338 8158 www education emerson com http www emersonprocess com education Instruction Manual D103531X012 Table 1 Specifications Available Configurations Controller Differential gap DG electric control action with intuitive Zero and Span Adjustments in SPDT dry contact configuration refer to page 2 for differential gap description Sensor Displacer type liquid level sensor for mounting to side of vessel Input Signal Type Liquid level or liquid to liquid interface Level Change Required for Full Change in State of Output 5 0 to 559 mm 0 2 to 22 inches Vessel level DG is dependant on factors such as valve sizing actuator speed rate liquid out flow and vessel size Contact your Emerson Process Management sales office for Fisher Electric Level Loop performance optimization Specific Gravity Limits Minimum SG 0 15 Maximum SG PVC Displacer 1 3 SST Displacer 1 1 Electrical Rating Output easy Drive actuator application 7 MA 5 VDC Other applications 1 amp resistive 0 5 amp inductive 28 VDC Note Use with easy Drive after first being used in other high power application is not recommended Power Consumption Switch consumes no power to operate so it has no curren
4. N C contacts to close and the Normally Open N O contacts to open Falling level causes the opposite action Connect L2e electrical wires as shown in table 2 To reverse the action refer to table 2 and reverse wiring for normally open and normally closed Table 2 L2e Electrical Wire Configuration Normally Closed Brown Common Normally Open Ground Instruction Manual L2e Controller D103531X012 June 2014 Wiring Confiqurations There are two recommended wiring configurations depending on the preferred site solution and approach to electric level control a direct connection to the easy Drive actuator shown in figure 3 or a direct connection to the easy Drive actuator and a remote monitor figure 4 and 5 In these examples the L2e is wired using a common and separate N O or N C contact When implemented as suggested these wiring configurations provide definitive level switch points and help reduce issues associated with single pole single throw contact switches such as bouncing due to vibration or sloshing liquids in a vessel Note Use with easy Drive electric actuator after first being used in other high power application is not recommended Figure 3 Local Level Control with Direct Connection to easy Drive Actuator without Remote Monitor REMOVE COVER TO ACCESS POWER AND CONTROL TERMINAL 12 24 VDC POWER SUPPLY SONY SOON W9795 4 easy Drive ACTUATOR WITH FISHE
5. Span Levers Stainless steel Springs Stainless steel Sensor Sensor Body LCC O Rings Fluorocarbon Pivot Assembly Stainless steel Displacer Polyvinylchloride PVC or 531603 SST Sensor Spring Stainless steel L2e Controller Instruction Manual June 2014 D103531X012 Table 1 Specifications continued Hazardous Area Classifications Available Canadian Registration CRN Switch Only The L2e utilizes the same sensor unit pressure component as the L2 pneumatic controller version cCSAus Refer to the L2 CRN which is deemed applicable to Explosion proof Class Division 1 Groups ABCD the L2e Dust Ignition proof Class 11 Division 1 Groups EFG Dual Seal Declaration of SEP ATEX I2 GD Fisher Controls International LLC declares this Flameproof Ex d IIC T6 Ta 40 C to 75 C product to be in compliance with Article 3 paragraph Dust Ex tb IIIC T85 C Db IP6X Ta 40 to 75 C 3 of the Pressure Equipment Directive PED 97 23 1 EC It was designed and manufactured in accordance with Sound Engineering Practice SEP and cannot IECEx bear the CE marking related to PED compliance Flameproof Ex d IIC T6 Ta 40 C to 75 C However the product may bear the CE marking to Dust Ex tb IIIC T85 C Db IP6X Ta 40 to 75 C indicate compliance with other applicable European 1AMax Community Directives NOTE Specialized instrument terms are defined in ANSI ISA Standard 51 1 Process Instrument Ter
6. could cause personal injury or property damage Kits Description Part Number Description Part Number Sensor Repair Kit Controller Assembly Replacement Repair kit includes keys 74 75 76 77 and 78 Replacement kit includes complete controller fluorocarbon O rings anti extrusion ring assembly figure 8 with mounting screws retaining ring and fluorocarbon backup ring RL2SENSX012 and gasket RL2ECTLRX12 Instruction Manual D103531X012 Figure 8 Fisher L2e Electric Level Controller Assembly ELECTRIC LEVEL CONTROLLER GG10047 E Parts List Note For part numbers not shown contact your Emerson Process Management sales office Key Description Sensor see figure 9 63 Hex jam nut 316 SST 64 Displacer rod 17 4 SST 17 4PH SST 65 Sensor connection 66 Spacer 304 SST 67 Hex jam nut 316 SST 68 Conical spring 316 SST 69 Universal Joint 316 SST vertical displacer only 70 Nameplate 71 Drive screw stainless steel 72 Knife pivot body CB7CU 1 17 4PH SST 73 Knife pivot base CF8M 316 SST 7 ua Key Note L2e Controller June 2014 Description Part Number Keys 74 75 76 77 and 78 are included in the Sensor Repair Kit 74 75 76 77 78 79 81 82 89 O Ring fluorocarbon Anti extrusion ring PTFE Retaining ring 304 SST O Ring fluorocarbon Backup ring fluorocarbon Sealant silicone not furnished with sensor Displacer 1 7 8x12 inches PVC 12B2
7. 936X032 31603 12B2956X032 3x6 inches PVC GE16513X012 Extension 3 inches GE14958X012 6 inches 12B2953X022 NACE Label 15 L2e Controller June 2014 Figure 9 Sensor MEETS NACE 0175 2002 METALLURGICAL REQUIREMENTS ry B 24 Instruction Manual D103531X012 ae EE Jt o2 ON YE VIEW B B SCALE 2 1 SECTION C C SCALE 2 1 LAE con SECTION A A APPLY LUB SEALANT GG12263 B Neither Emerson Emerson Process Management of any product Responsibility for proper selection nor any of their affiliated entities assumes responsibility for the selection use or maintenance use and maintenance of any product remains solely with the purchaser and end user Fisher and easy Drive 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 tra owners demarks and service marks of Emerson Electric Co All other marks are the property of their respective 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
8. AN ADJUSTMENT DISPLACER LEVER B ROD KEY 64 ZERO SPRING KEY 7 SWITCH SWITCH CERTFE ATION cChAus EXPLOSIOM PROOF CL I OM 1 GAPS ABCD EL wu niv 1 GAPS EFG ZERO ADJUSTMENT ZERO ADJUSTMENT HEX NUT KEY 5 PLUNGER GG10047 FACTORY SET DO NOT ADJUST w Displacer Rod L2e Controller Instruction Manual June 2014 D103531X012 Maintenance Parts are subject to normal wear and must be inspected periodically and replaced as necessary The frequency of parts inspection and replacement depends upon the severity of service conditions When inspection or repairs are required disassemble only those parts necessary to accomplish the task WARNING Always wear protective clothing gloves eyewear when performing any maintenance operations to avoid personal injury To avoid personal injury or property damage caused by the release of pressure or process fluid observe the following before starting maintenance e Provide some temporary means of control for the process before taking the controller out of service e Provide a means of containing the process fluid before removing any measurement devices from the process e Vent any trapped process pressure e Check with your process or safety engineer for any additional measures that must be taken to protect against process media Removing the Controller From the Sensor Refer to figure 7 for key number locations unless otherwise indicated 1 Disconnect power from any
9. Instruction Manual L2e Controller D103531X012 June 2014 Fisher L2e Electric Level Controller Contents Figure 1 Fisher L2e Electric Level Controller In EFOGILICEION abaco TE Rot 1 Scope of Man al 1 DeSCrIDHIONN eS DASS UD MES QS ER bd 2 Specifications 2 Educational Services 2 INStAN ATION tbe d Pee 4 Attaching a Vertical Displacer 5 Attaching Horizontal Displacer 5 Attaching the Sensortothe Vessel 5 Electrical Connections 6 2e Initial Setup Dry Displacer 10 2e Zero and Span Adjustment Wet Displacer 10 Principle of Operation 11 MEIN Se 12 Removing the Controller From the Sensor 12 Installing Sensor Repair Kit RL2SENSX012 12 Replacing the Complete Controller Assembly 2 12 13 Related Documents 14 Parts 14 Introduction Scope of Manual This instruction manual includes installation adjustment maintenance and parts ordering information for the Fisher 2e electric liquid level controller Do not install operate or maintain an L2e electric liquid level controller without being fully trained and qualified in valve actuator and accessory installation operation and mai
10. R D3 CONTROL VALVE easy Drive ACTUATOR POWER AND CONTROL TERMINAL LI gt CONNECT GREEN WIRE TO ACTUATOR GROUND NOT SHOWN 22 OPEN CONTACT 2 MAY BE LABELED AND CLOSE CONTACT 3 MAY BE LABLED L2e Controller June 2014 Figure 4 Local Level Loop Control with Direct Connect to easy Drive Actuator with ROC809 Remote Monitor 12 24 VDC POWER SUPPLY GREEN GND lt 7 1 1 RED BROWN eo uno Eier M Gc MELLE ME LEE CELL EC E RN 71 ROC809 DI MODULE DOC0507B DISCRETE INPUT CONFIGURED FOR DRY CONTACT CLOSURE EXTERNALLY POWERED ES S E E E eS E Ay S ae ETE E EET E E 1 gt CONNECT GREEN WIRE TO ACTUATOR GROUND NOT SHOWN 2 gt OPEN CONTACT 2 MAY BE LABELED AND CLOSE CONTACT 3 MAY BE LABLED HIMOd Peel D easy Drive ACTUATOR POWER AND CONTROL TERMINAL Instruction Manual D103531X012 REMOVE COVER TO ACCESS POWER AND CONTROL TERMINAL W9795 4 easy Drive ACTUATOR WITH FISHER D3 CONTROL VALVE Instruction Manual L2e Controller D103531X012 June 2014 Figure 5 Local Level Loop Control with Direct Connect to easy Drive Actuator with FloBoss 107 Remote Monitor REMOVE COVER TO ACCESS POWER AND CONTROL TERMINAL X0661 1 2
11. TTING t 2 MOVE ZERO DOWN UNTIL VALVE OPENS OR N C CONTACT RED TO BROWN LEADS CLOSES 3 SLOWLY MOVE ZERO UP UNTIL VALVE CLOSES OR N C CONTACT RED TO BROWN LEADS OPENS ZERO AND SPAN ADJUSTMENT WET DISPLACER 1 ENABLE PROCESS FLOW TO VESSEL 2 MOVE SPAN AND ZERO FOR DESIRED CONTROL SPAN ADJUSTMENT MOVE LEVEL HEIGHT ZERO i RAISE ADJUSTMENT LOWER ZERO LEVEL ADJUSTMENT MOVE DIFFERENTIAL GAP CAUTION FACTORY SET DO NOT ADJUST ADJUSTMENT DECREASE GG11109 C L2e Controller Instruction Manual June 2014 D103531X012 Principle of Operation The operation of the L2e is based on Archimedes Principle which states that a body immersed in a liquid will be buoyed up by a force equal to the weight displaced The buoyant force and resultant movement of the displacer in the liquid is transmitted to the controller As the buoyant force changes a proportional change in movement is seen by levers A and B refer to figure 7 Levers A and B are arranged and connected by movable pivot or span adjustment so that the resultant movement between the plunger and the switch can be adjusted For a given change in displacer movement the span adjustment will increase or decrease a proportional change in the plunger movement As fluid level rises the plunger moves away from the switch and vice versa Figure 7 Fisher L2e Controller CONTROLLER MOUNTING SCREWS KEY 24 LEVER SP
12. by our terms and conditions which are avai 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 lable upon request We reserve the right to modify or improve the designs or specifications of such LN Am a EMERSON 2013 2014 Fisher Controls International LLC All rights reserved
13. electrical source 2 Slide the hook end of the zero spring key 7 over and off the controller end of the displacer rod key 64 3 Remove the four controller mounting screws key 24 and pull the controller straight away from the sensor Installing Sensor Repair Kit RL2SENSX01 2 Refer to figure 9 for key number locations unless otherwise indicated Disassembly 1 Remove the controller from the sensor by following the procedure outlined in the previous section 2 Remove the sensor from the vessel 3 Unscrew the hex nut key 67 and remove the spacer key 66 and spring key 68 After removing the spring replace the spacer key 66 and hex nut key 67 on the displacer rod From the displacer end pull the displacer rod away from the sensor connection key 65 to pull the pivot base key 73 loose from the sensor connection Remove the hex nut key 67 to permit removing the displacer rod pivot base pivot body and spacer from the sensor connection 4 Slide the pivot base key 73 retaining ring key 76 anti extrusion ring key 75 and O ring key 74 off the displacer rod Remove the O ring key 77 and backup ring key 78 from the pivot base Instruction Manual L2e Controller D103531X012 June 2014 Assembly A WARNING Improper assembly of the O rings anti extrusion ring and backup ring could result in O ring extrusion and permit leakage of process fluids To avoid personal injury or property damage from leaking proc
14. ess fluid be sure the O rings anti extrusion ring and backup ring are assembled in the order shown in figure 9 1 Place the pivot body key 72 on the displacer rod key 64 so that it is positioned as shown in figure 9 Apply silicone sealant key 79 to the O ring key 74 and slide onto the displacer rod assembly key 64 with the anti extrusion ring key 75 and retaining ring key 76 Be sure the O ring anti extrusion ring and retaining ring are in the order shown in figure 9 Slide the pivot base onto the displacer rod so that the knife edges of the pivot body key 72 engage the slots in the pivot base key 73 Apply silicone sealant key 79 to the O ring key 77 and install with the backup ring key 78 into the groove on the pivot base key 73 Be sure the backup ring is on the process pressure side of the O ring as shown in figure 9 4 Insert the displacer rod key 64 into the vessel side of the sensor connection key 65 The pivot base must seat in the slots cast in the sensor connection These slots will be horizontal when the sensor connection key 65 is oriented as shown in figure 2 Toreduce the possibility of nicking the O ring key 77 on the pivot base keep the displacer rod centered in the sensor connection as much as possible while pushing the pivot base into the sensor connection Be sure the pivot base seats in the slots cast in the sensor connection Slide the spring key 68 and spacer key
15. ment Failure to do so could result in damage to the instrument and or the displacer rod due to vibration and impact loading during shipment After the vessel is installed at its final location reassemble the displacer and displacer rod extension Note Use with easy Drive electric actuator after first being used in other high power application is not recommended Instruction Manual L2e Controller D103531X012 June 2014 1 Be sure there are no obstructions inside the vessel that will interfere with displacer installation or operation 2 Provide the appropriate connection in the vessel wall to match the sensor connection Locate the vessel wall connection such that the displacer will be at the desired control level Attaching a Vertical Displacer Refer to figure 9 for part locations 1 Thread jam nut key 63 all the way onto the threaded portion of the universal joint assembly key 69 2 Thread the displacer key 81 all the way onto the threaded portion of the universal joint assembly 3 Tighten the jam nut against the displacer Attaching a Horizontal Displacer Refer to figure 9 for part locations 1 Thread the displacer key 81 all the way onto the displacer rod key 64 or extension key 82 and tighten Attaching the Sensor to the Vessel Insert the displacer end of the L2e sensor into the vessel connection and tighten enough to seal the threads If necessary loosen or tighten slightly to obtain the horizontal orientation sho
16. minology 1 Converting from a threaded NPT connection to a flange connection is to be done by the end user Refer to Converting a Threaded NPT Connection to a Flange Connection instruction Manual Supplement D103277X012 available at www Fisher com or from your Emerson Process Management sales office 2 Maximum span setting with 1 7 8 x 12 inch horizontal displacer Piu 6 inch extension is not recommended due to potentially insufficient zero adjustment 3 The pressure and temperature limits in this document and any applicable code limitations should not be E cae quo Installation Always wear protective clothing gloves and eyewear when performing any installation operations to avoid personal injury To avoid personal injury or property damage caused by the sudden release of process fluid be certain the service conditions do not exceed the sensor pressure limits Use pressure limiting or pressure relieving devices to prevent service conditions from exceeding these limits Check with your process or safety engineer for any additional measures that must be taken to protect against process media If installing this into an existing application also refer to the WARNING at the beginning of the Maintenance section of this instruction manual CAUTION If the L2e electric level controller is installed on a vessel that is to be shipped to a different location e g skid mounted units remove the displacer and displacer rod extensions before ship
17. ntenance To avoid personal injury or property damage itis important to carefully read understand and follow all the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson Process Management sales office before proceeding EMERSON www Fisher com Process Management L2e Controller Instruction Manual June 2014 D103531X012 Description The L2e electric liquid level differential gap on off controller uses a displacement type sensor to detect liquid level or the interface of two liquids of different specific gravities The L2e controls the lower trip point zero that closes the dump valve allowing the vessel to fill to the upper trip point Once the upper trip point is reached the dump valve opens to drain the fluid down to the zero or lower trip point The difference between the upper trip point and the zero or lower trip point is called differential gap or DG The 2e operates as a two position on off controller These controllers use a single pole double throw SPDT dry contact electric switch to provide differential gap DG control or liquid monitoring The controller can be used to provide an electric control signal to an electrically actuated control valve Unless otherwise noted all NACE references to NACE MR0175 2002 Specifications Specifications for the controller and sensor are listed in table 1 Educational Services
18. on Manual D103987X01 2 e Converting a Threaded NPT Connection to a Flange Connection Supplement to Fisher L2 L2e and L2sj Liquid Level Controller Instruction Manuals D103277X012 e Dimensions for NPS 2 CL150 through 1500 Slip On Flange Connections Supplement to Fisher L2 L2e and 125 Liquid Level Controller Instruction Manuals D103405X01 2 e Bulletin 51 2 D3 Fisher D3 Control Valve D103269X012 e Fisher D3 Control Valve with easy Drive Electric Actuator Instruction Manual D103460X012 e Bulletin 51 2 04 Fisher D3 Control Valve Assembly D103039X012 e Fisher D4 Control Valve with easy Drive Electric Actuator Instruction Manual D103597X012 All documents are available from your Emerson Process Management sales office Also visit our website at www Fisher com Parts Ordering When corresponding with your Emerson Process Management sales office about this equipment always mention the serial number of the controller The serial number can be found on the nameplate When ordering replacement parts also specify the complete 11 character part number of each part required as found in the following parts list A WARNING Use only genuine Fisher replacement parts Components that are not supplied by Emerson Process Management should not under any circumstances be used in any Fisher instrument Use of components not supplied by Emerson Process Management may void your warranty might adversely affect the performance of the valve and
19. t leakage or voltage drop Sensor to Vessel Connection 2 NPT threaded or W NPS 2 CL 150 through 1500 slip on flange connection Controller Connection Electrical 1 2 14 NPT external conduit connection with 18 inches of 18 AWG lead wires located at the bottom of the case continued L2e Controller June 2014 Displacer Sizes ll 48 X 305 mm 541 cm 1 7 8 X 12 inches 33 in 76 152 mm 688 cm 3X6 inches 42 in Maximum Displacer Insertion Length 2 Horizontal or Vertical 1 7 8 x 12 Displacer with one 6 inch extension optional use 3x6 Displacer with one 3 inch extension optional use Displacer Material and Maximum Sensor Working Pressure PVC Displacer Consistent with CL1500 pressure temperature ratings per ASME B16 34 up to maximum pressure of 258 5 bar 3750 psig For PED 97 23 EC maximum pressure limited to 200 bar 2900 psig 531603 SST Displacer CL600 pressure temperature ratings per ASME B16 34 up to maximum pressure of 99 3 bar 1440 psig Note For slip on flange connection maximum sensor working pressure must be consistent with the flange ratings Operative Ambient Temperature Limits 3 Controller 40 to 75 C 40 to 167 F Operative Process Temperature Limits Sensor ll PVC Displacer 18 to 71 C 0 to 160 F 521603 SST Displacer 40 to 204 C 40 to 400 F Construction Materials Controller Case and Cover Marine grade aluminum Switch Stainless steel
20. wn in figure 2 Make sure that the controller case is level CAUTION The displacer rod key 64 is not a handle Grasp sensor body or controller housing to lift and carry to avoid internal component damage Figure 2 Sensor Orientation 5 CORRECT CONTROLLER MOUNTING HOLE ORIENTATION WHEN MOUNTED ON VESSEL 6639 L2e Controller Instruction Manual June 2014 D103531X012 Electrical Connections WARNING For explosion proof applications disconnect power before installing servicing or removing electrical components Personal injury or property damage from fire or explosion may result if power is not disconnected Select junction boxes wiring and or cable glands that are rated for the environment of use such as hazardous location ingress protection and temperature Failure to use properly rated electrical hardware wiring and or cable glands can result in personal injury or property damage from fire or explosion Wiring connections must be in accordance with local regional and national codes for any given hazardous area approval Failure to follow the local regional and national codes could result in personal injury or property damage from fire or explosion An electrical 1 2 14 NPT conduit connection with 18 inches of 18 AWG lead wires is located at the bottom of the case The conduit connection is integral to the body of the switch The action of the controller is such that rising level will cause the Normally Closed

Emerson L2 Instruction Manual

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