DESCRIZIONE PRODOTTO
SIEMENS 7MB1943-2AB13 - Electro-Pneumatic Positioner
This device is an electro-pneumatic positioner from the SIEMENS SIPART PS2 series, engineered for precise control of pneumatic linear and rotary actuators. It converts an analog 4-20mA input signal into a proportional pneumatic output pressure, enabling accurate valve and damper positioning in process automation applications. Its robust aluminum enclosure and integrated limit switches ensure reliable operation and feedback in demanding industrial environments, supporting critical control loops in chemical, oil & gas, power generation, and water treatment facilities.
Technical Specifications:
- SERIES/FAMILY: SIPART PS2
- COMPONENT TYPE: Electro-Pneumatic Positioner
- ELECTRICAL SPECS:
- INPUT SIGNAL: 4-20mA (analog, loop-powered)
- INPUT IMPEDANCE: Approximately 250 Ohm at 20mA
- LIMIT SWITCHES: 2x Inductive Limit Switches (NAMUR, EN 60947-5-6 compliant)
- MECHANICAL/PHYSICAL:
- ACTUATOR TYPE: Universal for Linear and Rotary Actuators
- ENCLOSURE MATERIAL: Aluminum
- ACTUATION PRINCIPLE: Double-acting
- PNEUMATIC SUPPLY PRESSURE: 1.4 to 7 bar (20 to 100 psi)
- AIR CONSUMPTION: Less than 0.03 Nm3/h (steady state)
- INTERFACE/CONTROL:
- INPUT PROTOCOL: 4-20mA (analog)
- FEEDBACK: Integrated position sensor
- LOCAL OPERATION: Via push buttons and LCD display
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP66 / NEMA 4X
- OPERATING TEMPERATURE: -30 to +80 degrees C
- MOUNTING STYLE: Standard mounting kit for linear actuators (NAMUR VDI/VDE 3845)
- COOLING METHOD: Passive convection
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process Control Systems (PCS), Distributed Control Systems (DCS), Programmable Logic Controllers (PLC)
- MACHINE TYPES: Pneumatic control valves, dampers, and other final control elements in process industries.