fisher_3570_im操作说明书手册

Instruction Manual3570 PositionersD200137X012September 2011Fisher 3570 Pneumatic Valve PositionersContentsFigure 1.Fisher 3570 Positioner Mounted onIntroduction470 Actuator。。。。。。。。。4。……Scope of Manual.............................Description ......Valve Positioner Type Numbers.............2Specifications...............................4Educational Services...4Installation,Mounting,and Connections..........Installation5Diagnostic Test Connections (Optional)6Connections.…>Piping Sizes ............................>Vent .......PSupply Pressure Connections9Cylinder Connections....................10Instrument Connection10Operating Information........................11Initial Adjustments..........................11Signal Range Codes.........................11Frequency Response .12Adjustment Procedures......................14Changing Positioner Action17Split Range Operation ...........19Initial Range Spring Extension Procedurefor 3570P and 3570PC Positioners.........19Principle of Operation213570,3570C,3570P,3570P℃，and3571 Valve Positioners ...................23572 and 3576 Valve Positioners223573 and 3577 Valve Positioners。……4。……。。44。3Bias Spring ................................29Relay Operation……24Disassembly。。。。。。。。。。。。。。。。。4。”29Maintenance................................5AssemblyTroubleshooting.……26Parts Ordering。。。。。。。…。…。。。”…。“””””””29Converting a 3570 Valve Positioner to aParts Kits................33570CValve Positioner....................27Positioner Repair Kits.....0Range Spring。000。。00040。。00。。0000.00。。00.028Diagnostic Test Connection Kits...............30Disassembly2Paft5ist.....3Assembly .............................28Positioner Common Parts ...................30IntroductionScope of ManualThis manual provides installation,operation,adjustment,maintenance,and parts ordering information for Fisher3570 pneumatic valve positioners.The various product types within this series are described later in this manual.ReferFISHEREMERSONwww.Fisher.comProcess Management