SIEMENS MOORE 55AX-2 Pneumatic Controller

Technical SpecificationsModel:55AX-2 Brand:SIEMENS MOORE Product Type:Pneumatic Single Loop Process Controller Supply Air:20-100 psi Control Range:2~200% throttling range Mounting:Pipe / Field wall mounting Operating temperature:-20℃ ~ +70℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~95%, non-condensing Weight:3.67kg Dimension:120mm180mm220mm

System compatibility55AX-2 is compatible with pneumatic transmitters and pneumatic control valves. It works independently in legacy pneumatic control loops, widely used for process control before electronic DCS systems.

FunctionThis field mounted pneumatic controller receives pneumatic measurement signal from field transmitters, compares measured value with setpoint and outputs pneumatic signal to drive control valve. It supports proportional throttling control, manual reset function for process regulation of pressure, temperature, flow and liquid level. Plug-in design facilitates maintenance and replacement.

InstallationShut off instrument air supply before installation. Mount controller on pipeline or wall bracket. Connect instrument air supply, process measurement signal line and output signal line to control valve. Adjust setpoint and control parameters after air supply is stable.

InterfacePneumatic signal ports, instrument air inlet, setpoint adjustment knob, manual reset knob, process variable indicator.

FeatureField pipe mount pneumatic controller, proportional throttling control, manual reset function, plug-in modular construction, robust metal housing, suitable for harsh field environments. Obsolete legacy spare part, used for old pneumatic control system maintenance and replacement.

DiagnosticNo output: check instrument air supply pressure, filter and air pipeline blockage. Control drift: inspect signal line leakage, calibrate setpoint and proportional band. Indicator abnormal: check sensor signal pipeline and diaphragm.

Product BriefSIEMENS MOORE 55AX-2 is field mounted pneumatic single loop controller, widely used in petrochemical, power and pulp & paper industries for legacy pneumatic throttling control loops.

DisclaimerAll parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.