Masoneilan SVI™ II APN Nuclear Qualified Positioner

 

Safety Compliance

• SIL2 Self compliance per IEC61508 section 2-3
• Diagnostics
• 5 Pressure sensors (supply, I/P, P1, P2, atmospheric)
• Total travel and number of cycles
• Valve operations (time open/time close/time near closed)
• Offline control valves signatures with ValVue Suite or
• Advanced DTM
• Online valve diagnostics and friction analysis using with
• ValVue OVD software

Materials

• Case/cover:
  • Aluminum ASTM 360

• • Paint (2): Grey polyurethane
• (category C4 per ISO 12944-2)
• I/P Transducer and relay are constructed of composite
• polymers and stainless steel (300 and 400 Series)

Input Power and Signal

• Power supply (taken from 4-20 mA)
• Required terminal voltage: 9 Vdc at 20 mA
• Minimum current signal: 3.2 mA

Output Signals

• Valve position: 4-20 mA – Two wire loop powered with
• 10-24Vdc compliance voltage
• Two configurable digital contacts – 1 A, 30 Vdc
• Input Signals
• Valve setpoint: 4-20 mA, 450 Ohms input resistance
• Remote position sensor: 1 kOhms

Communication

• HART revision 5 or 6 protocol
• Open technologies: eDDL, DTM, plug-in and snap-on
• applications, wireless
• Field or remote communication with true control
• system integration

Actuator Travel Range

• Linear motion: 0.25” to 4” (6.4 to 100 mm) – standard
• mounting
• >4” (100 mm) – extended mounting
• Rotary motion: 18 to 140 degrees
• Travel sensor resolution: 0.0015 percent

Control Valve Mounting System:

• Material: 300 Series St. St. standard
• Valve type:
  • Linear or rotary motion control valve

• • Single- or double (3)-acting actuator

• Optional remote-mount position sensor kit:
  • Remote Position Sensor (RPS) assembly

  • Two–inch pipe mount bracket

Pneumatics

• Air Regulated and filtered per ISA 7.4
• Connections (supply and actuator): 1/4” NPT

Air Supply Pressure

• Single-acting: 20 to 100 psi (1.4 to 6.9 bar)
• Double-acting: 20 to 150 psi (1.4 to 10.3 bar)

 

The Masoneilan SVI™ II APN represents an Advanced Performance positioner equipped with HART™ protocol, featuring a local display and push buttons designed for both single- and double-acting pneumatic control valves. Its versatile and modular architecture, along with a reliable non-contact position sensor, accommodates a wide range of applications, delivering superior valve control complemented by real-time diagnostics.

 

Masoneilan SVI™ II APN Advantages

• Proven non-contact position sensor for field applications
• Universal design suitable for both linear and rotary valve uses
• External LCD display and push button interface
• Setup Wizard facilitating swift and straightforward commissioning
• Diagnostics available both offline and online
• Two (2) configurable built-in isolated solid-state switches
• Position transmitter with 4-20 mA output
• HART communication capability
• Universal labeling with ATEX, FM, FMc, IEC, and other approvals
• ValVue™ communication software included
• Durable housing constructed from anodized aluminum

 

Benefits

• Accelerated commissioning and initiation of control valves
• Precise and dependable valve positioning
• Bi-directional communication enabling local or remote configuration
• Compatibility with various control systems and asset management software

Enhanced performance irrespective of actuator dimensions.