Emerson Fisher 4194 Bedienerhandbuch

www.Fisher.comFisherr 4194S Differential Pressure ControllersContents1. Introduction 2...Scope of Manual 2...

Instruction ManualD200158X0124194S ControllersDecember 201110Supply Pressure WARNINGSevere personal injury or property damage may occur if the instru

Instruction ManualD200158X0124194S ControllersDecember 201111Section 3 Controller Operation33‐3‐Operating InformationThis section includes description

Instruction ManualD200158X0124194S ControllersDecember 201112When the automatic/manual switch is in AUTOMATIC, adjusting the loader knob has no effect

Instruction ManualD200158X0124194S ControllersDecember 201113Figure 3‐1. Location of Controller Parts and Adjustments (continued)C054135A7374‐B49A0771

Instruction ManualD200158X0124194S ControllersDecember 201114Calibration WARNINGTo avoid personal injury or property damage resulting from the sudden

Instruction ManualD200158X0124194S ControllersDecember 2011151. Refer to figures 3‐1 and 3‐2 for location of adjustments.2. Remove the two screws (k

Instruction ManualD200158X0124194S ControllersDecember 201116The controller output signal will not return to zero pressure until decreasing process pr

Instruction ManualD200158X0124194S ControllersDecember 2011176. Narrow the proportional band slowly until the output signal switches from zero pressu

Instruction ManualD200158X0124194S ControllersDecember 201118Figure 3‐4. Schematic of Operation for Fisher 4195S ControllersSET POINTINDICATORPROCESS

Instruction ManualD200158X0124194S ControllersDecember 201119Remote Set Point OptionThe capability to adjust the controller set point from a remote lo

Instruction ManualD200158X0124194S ControllersDecember 20112Contents (cont'd)Link Number 3 39...Link Number 4 39...

Instruction ManualD200158X0124194S ControllersDecember 201120

Instruction ManualD200158X0124194S ControllersDecember 201121Section 4 Maintenance44‐4‐Parts are subject to normal wear and must be inspected and repl

Instruction ManualD200158X0124194S ControllersDecember 201122Figure 4‐1. Maintenance GuideTroubleshootingIf the controller is not operating properly,

Instruction ManualD200158X0124194S ControllersDecember 201123Table 4‐1. Troubleshooting Chart Fault Possible Cause Check Correction1. Output does not

Instruction ManualD200158X0124194S ControllersDecember 201124Figure 4‐2. Changing Controller ActionW3439Replacing Common Controller Parts WARNINGTo a

Instruction ManualD200158X0124194S ControllersDecember 2011254. To install the replacement scale, bend the lower part of the slot slightly so that th

Instruction ManualD200158X0124194S ControllersDecember 201126Case and CoverCAUTIONThe case and cover are an integral unit; attempting to separate them

Instruction ManualD200158X0124194S ControllersDecember 201127Supply Tubing and Positive Feedback Tubing AssembliesNoteThe following procedure requires

Instruction ManualD200158X0124194S ControllersDecember 20112815. Install the proportional band knob (key 25) on the set point beam assembly (key 23).

Instruction ManualD200158X0124194S ControllersDecember 201129Figure 4‐5. Proportional Band Adjustment and Set Point Beam DetailsSET POINT BEAM ASSEMBL

Instruction ManualD200158X0124194S ControllersDecember 20113Table 1‐1. SpecificationsAvailable ConfigurationsSee table 1‐2Sensing Element Range (Input

Instruction ManualD200158X0124194S ControllersDecember 201130W3761TABHOLEFigure 4‐6. Proportional Band Adjustment Knob SettingFigure 4‐7. Nozzle‐Flapp

Instruction ManualD200158X0124194S ControllersDecember 20113142. If the output pressure snaps to supply pressure below 2 percent of set point, adjust

Instruction ManualD200158X0124194S ControllersDecember 2011321. Remove the two screws (key 6), and lift off the proportional band cover (key 36).2.

Instruction ManualD200158X0124194S ControllersDecember 201133Figure 4‐9. Exploded View of Flexure Pivot AssemblyFOUR SCREWS(KEY 10)FLEXURE PIVOTASSEMB

Instruction ManualD200158X0124194S ControllersDecember 201134Figure 4‐10. Link 2 Number AdjustmentW3451W347631. Install the pivot of the set point pi

Instruction ManualD200158X0124194S ControllersDecember 2011351. Remove the two screws (key 6), and lift off the proportional band indicator cover (ke

Instruction ManualD200158X0124194S ControllersDecember 20113612. Apply the correct supply pressure, and check for leaks. Remove the supply pressure.I

Instruction ManualD200158X0124194S ControllersDecember 201137Figure 4‐12. Link LocationCAPSULAR ELEMENT CONTROLLERSW3753‐1LINK 5 LINK 1LINK 4 LINK 4 A

Instruction ManualD200158X0124194S ControllersDecember 201138Figure 4‐13. Process Pointer AlignmentALIGNEDW3443‐1MISALIGNEDW3475‐1FINE ZEROADJUSTMENTZ

Instruction ManualD200158X0124194S ControllersDecember 2011398. Connect link number 1 to the pivot arm.9. Refer to the Maintenance Calibration and F

Instruction ManualD200158X0124194S ControllersDecember 20114Table 1‐2. Available Configurations for Fisher 4194S ControllersCONTROLLER(1)OPTIONSIntern

Instruction ManualD200158X0124194S ControllersDecember 2011404. Adjust the process differential pressure to 0 psid. Adjust the proportional band to 5

Instruction ManualD200158X0124194S ControllersDecember 2011412. Disconnect links 1 and 5 (keys 88 and 90) from the pivot assembly (key 89). Note whic

Instruction ManualD200158X0124194S ControllersDecember 2011425. Lift out the capsular element assembly by holding the plate (key 77), travel stop (ke

Instruction ManualD200158X0124194S ControllersDecember 2011432. Full span stop—Adjust process differential pressure to 5 percent greater than full sp

Instruction ManualD200158X0124194S ControllersDecember 201144a. Turn the span adjustment screw clockwise. (Adjust the span to correct one‐half the er

Instruction ManualD200158X0124194S ControllersDecember 201145 WARNINGIn step 4, do not exceed the operating limits for the controller (refer to table

Instruction ManualD200158X0124194S ControllersDecember 201146Pivot Assembly A (Key 114)CAUTIONAvoid bending or kinking the drive flexure during the fo

Instruction ManualD200158X0124194S ControllersDecember 2011478. Refer to the Maintenance Calibration procedure.Drive Flexure1. Disconnect the flexur

Instruction ManualD200158X0124194S ControllersDecember 2011485. Lift out the capsular element assembly by holding the plate (key 111), travel stop (k

Instruction ManualD200158X0124194S ControllersDecember 2011493. Apply 50 percent of full span remote set point pressure.4. The drive flexure (key 79

Instruction ManualD200158X0124194S ControllersDecember 20115Specifications WARNINGThis product is intended for a specific current range, temperature

Instruction ManualD200158X0124194S ControllersDecember 2011503. Make fine zero adjustments by loosening the zero adjustment locking screw and turning

Instruction ManualD200158X0124194S ControllersDecember 201151Replacing the Auto/Manual StationRefer to figures 4‐19, 5‐4, and 5‐5 for key number locat

Instruction ManualD200158X0124194S ControllersDecember 201152Disassembly1. Perform steps 1 through 3 of the replacing case and cover procedure.2. Re

Instruction ManualD200158X0124194S ControllersDecember 2011535. Compress the switch body springs with the loader assembly (key 282), and bolt the swi

Instruction ManualD200158X0124194S ControllersDecember 2011544. Bolt the loader assembly halves together using the four screws (key 289).NoteBe sure

Instruction ManualD200158X0124194S ControllersDecember 201155Section 5 Parts Ordering5Whenever corresponding with your Emerson Process Management sale

Instruction ManualD200158X0124194S ControllersDecember 201156Key Description Part Number27 E‐ring, pl steel28 Set Point Beam Bias Spring, zn pl stee

Instruction ManualD200158X0124194S ControllersDecember 201157Mounting PartsKey DescriptionPipestand Mounting66 Cap Screw, pl steel (3 req'd)67

Instruction ManualD200158X0124194S ControllersDecember 201158Figure 5‐1. Controller Assembly Drawing38A3819‐B56A9752‐V Sht 112797113SECTION D‐DVIEW C‐

Instruction ManualD200158X0124194S ControllersDecember 201159Figure 5‐1. Controller Assembly Drawing (Continued)49A0770‐A36A3819‐ASECTION B‐BCONTROLLE

Instruction ManualD200158X0124194S ControllersDecember 20116

Instruction ManualD200158X0124194S ControllersDecember 201160Figure 5‐3. Remote Set Point Assembly Drawing36A6988‐CB1760LINK ALINK B

Instruction ManualD200158X0124194S ControllersDecember 201161Figure 5‐4. Auto/Manual Station Parts Location56A9752‐D49A0770‐AC0540FRONT VIEWSWITCHINGZ

Instruction ManualD200158X0124194S ControllersDecember 201162Figure 5‐5. Auto/Manual Station Assembly Drawing48A2905‐A Sht 248A2905‐A Sht 1SECTION A‐A

Instruction ManualD200158X0124194S ControllersDecember 201163Figure 5‐6. Process and Set Point Indicator Assembly (Manual Set Point)39A1126‐H381379380

Instruction ManualD200158X0124194S ControllersDecember 201164Emerson Process Management Marshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, Ken

Instruction ManualD200158X0124194S ControllersDecember 20117Section 2 Installation22‐2‐The controllers should be mounted with the housing vertical (as

Instruction ManualD200158X0124194S ControllersDecember 20118Figure 2‐1. Typical Actuator MountingMOUNTINGBRACKETW5661SPACERSPOOLSCAP SCREWS ANDLOCKWAS

Instruction ManualD200158X0124194S ControllersDecember 20119Pressure Connections WARNINGOverpressuring any system component, including the capsular s