Emerson Fisher 3570 Manuel d'instructions

www.Fisher.comFisherr 3570 Pneumatic Valve PositionersContentsIntroduction 1...Scope of Manual 1...

Instruction ManualD200137X0123570 PositionersSeptember 201110If this maximum supply pressure value is not available, use a supply pressure that does n

Instruction ManualD200137X0123570 PositionersSeptember 201111figure 11). The maximum allowable input signal for positioners with standard or optional

Instruction ManualD200137X0123570 PositionersSeptember 201112signal range of 0 to 1.0 bar (0 to 15 psig), an actuator travel of 14.3 mm (9/16‐inch), a

Instruction ManualD200137X0123570 PositionersSeptember 201113Table 4. Fisher 3570 Signal Range Codes(1)SIGNAL RANGE0 to 1.0 bar (0 to 15 psig)SIGNAL R

Instruction ManualD200137X0123570 PositionersSeptember 201114Table 4. Fisher 3570 Signal Range Codes(1) (Continued)SIGNAL RANGE0.4 to 1.2 bar (6 to 18

Instruction ManualD200137X0123570 PositionersSeptember 201115Check the accuracy of the positioner instrument pressure gauge (see figure 4). The gauge

Instruction ManualD200137X0123570 PositionersSeptember 201116Table 5. Range(1,2)Code Number Part Number(3)12341H8914000A21H8915000A21H8916000A21H89170

Instruction ManualD200137X0123570 PositionersSeptember 201117Table 8. Spring Retainer SpacerOVERALLLENGTH(1)EFFECTIVELENGTH(1)PART NUMBER(2)mm Inches

Instruction ManualD200137X0123570 PositionersSeptember 201118NoteChanging the positioner action might require changing the bias spring and/or the spri

Instruction ManualD200137X0123570 PositionersSeptember 2011196. Make a notation on the positioner action label (key 43, figure 11) that the action of

Instruction ManualD200137X0123570 PositionersSeptember 20112to figure 1 for a typical mounting of a 3570 positioner. Refer to separate instruction man

Instruction ManualD200137X0123570 PositionersSeptember 2011206. Rotate the cable spool to obtain the correct initial range spring extension. Each ful

Instruction ManualD200137X0123570 PositionersSeptember 201121Principle of Operation3570, 3570C, 3570P, 3570PC, and 3571 Valve PositionersRefer to the

Instruction ManualD200137X0123570 PositionersSeptember 2011223572 and 3576 Valve PositionersRefer to the schematic diagram in figure 8, which shows th

Instruction ManualD200137X0123570 PositionersSeptember 201123In the 3576 positioner, the feedback is provided to the range spring by a wire that is co

Instruction ManualD200137X0123570 PositionersSeptember 201124relay action, the pressure to the underside of the piston decreases. The force exerted by

Instruction ManualD200137X0123570 PositionersSeptember 201125Figure 10. Sectional View of a Typical RelayW0700‐1/ILCLEAN‐OUTPLUNGERSUPPLYOUTPUTBACEXHA

Instruction ManualD200137X0123570 PositionersSeptember 201126D Do not remove the actuator from the valve while the valve is still pressurized.D Discon

Instruction ManualD200137X0123570 PositionersSeptember 2011278. Mount the relays in their respective positions on the positioner pedestal, making cer

Instruction ManualD200137X0123570 PositionersSeptember 201128Range SpringDisassemblyUnless otherwise directed, key numbers refer to figures 11 and 12.

Instruction ManualD200137X0123570 PositionersSeptember 201129Bias SpringDisassembly1. Refer to figure 2. Remove the top E‐ring travel stop.2. Loosen

Instruction ManualD200137X0123570 PositionersSeptember 20113Table 1. SpecificationsAvailable ConfigurationsSee the positioner type number descriptions

Instruction ManualD200137X0123570 PositionersSeptember 201130Parts KitsNoteParts kits for 3570 positioners contain the gaskets, diaphragms, andO‐ring

Instruction ManualD200137X0123570 PositionersSeptember 201131Figure 11. Fisher 3570 Positioner40A8973‐CB1840/IL1122NOTES: ZERO ADJUSTMENTS IS

Instruction ManualD200137X0123570 PositionersSeptember 201132Figure 12. Fisher 3570C Positioner40A8972‐BB1841/ILEXTENSION TYPE BIASSPRING ASSEMBLYSECT

Instruction ManualD200137X0123570 PositionersSeptember 201133Key Description Part Number48 Bias spring, compression type, pl steel Color Code:Silver

Instruction ManualD200137X0123570 PositionersSeptember 201134Figure 14. Fisher 3570P and 3570PC Positioner41A7131‐AB1839/ILTYPICALMOUNTINGFOR 3570P AN

Instruction ManualD200137X0123570 PositionersSeptember 201135

Instruction ManualD200137X0123570 PositionersSeptember 201136Emerson Process Management Marshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, Ken

Instruction ManualD200137X0123570 PositionersSeptember 20114Table 2. Action Under Normal Operating ConditionsPOSITIONER ACTIONDESIRED PISTON MOTION(1)

Instruction ManualD200137X0123570 PositionersSeptember 20115Installation, Mounting, and ConnectionsInstallation WARNINGD Always wear protective cloth

Instruction ManualD200137X0123570 PositionersSeptember 20116Figure 2. Bias and Range Springs for Zero and Span AdjustmentsAJ7270‐C1H8907‐C1J2233‐CB240

Instruction ManualD200137X0123570 PositionersSeptember 20117Figure 3. Diagnostic Test Connections12B8044‐AA6112/ILPIPE NIPPLETO BOTTOMCYLINDERPIPE TEE

Instruction ManualD200137X0123570 PositionersSeptember 20118Figure 4. Typical Location of Fisher 3570 Positioner Parts and AdjustmentsCYLINDERBOTTOMPR

Instruction ManualD200137X0123570 PositionersSeptember 20119The connection marked VENT (see figure 4) should be left open if the actuator is installed