Axiom AMI Nonincendive & I.S. On/Off Valve Controller

Brand: Valmet

The Axiom AMI integrates solid state continuous sensing and pneumatic control to give long life and reliable performance in process applications. 

The AMI also features the capability for intermediate valve control and diagnostics to offer more cost saving benefits.
Features
  • The Axiom is corrosion proof, temporarily submersible and suitable for use in hazardous areas
  • High strength durable enclosure and pneumatic manifold
  • High visibility mechanical and electronic indication
  • Universal voltage solenoid system
  • Electronic sensing, switching and communication components are sealed
  • High accuracy position sensor system is solid state

Specifications

Brand

Accuracy

  • Intermediate Control: ± 3° of Rotation - Expeditor (80)
  • Position Monitoring: ± 1° of Rotation - Expeditor (80)
  • Pressure: ± 1 % of Full Scale - HART (71) with Diagnostics
  • Within 1° - Postition Sensor System

Actuator Type

  • Double-Acting
  • Single-Acting
  • Spring Return

Approvals & Certifications

  • CE
  • CEC
  • FCC
  • IC
  • IEC
  • NAMUR
  • NEC
  • VDI/VDE 3845 (NAMUR)

Cap Material

  • End: Stainless Steel

Communication

  • AS-Interface
  • Bluetooth
  • DeviceNet
  • FOUNDATION Fieldbus
  • HART
  • Transmission Rate - Baud Rate: 125, 250, 500 Kbps - DeviceNet (92)

Conduit Connection

  • 1/2” NPT Female
  • M20 Female
  • Micro Connector (4-Pin, 5-Pin, 6-Pin, 8-Pin)
  • Mini Connector (4-Pin, 5-Pin, 6-Pin, 7-Pin, 8-Pin)

Configuration

  • 2-Wire Solid State Switches - Stainless Steel Switching Sensors (33), Stainless Steel Switching Sensors (35)
  • Auxiliary Discrete Inputs - AS-Interface (96), AS-Interface VCT with Extended Addressing (97), AS-Interface with Wireless Link
  • Discrete Position Sensor Input - AS-Interface (96) with Diagnostics (D)
  • Discrete Sensor Input - AS-Interface (96), AS-Interface VCT with Extended Addressing (97), AS-Interface with Wireless Link, FOUNDATION Fieldbus VCT, Bus Powered (93), DeviceNet (92)
  • Low Air Supply Pressure Input - AS-Interface (96) with Diagnostics (D)
  • Parameter Bit Spring to Open/Close - AS-Interface (96) with Diagnostics (D)
  • Peripheral Fault Bit (Bad Coil or Stuck Spool)
  • Power Output (Solenoids) - AS-Interface (96), AS-Interface VCT with Extended Addressing (97),AS-Interface (96) with Diagnostics (D), AS-Interface with Wireless Link, FOUNDATION Fieldbus VCT, Bus Powered (93), DeviceNet (92)
  • Remote Sensor Setting - AS-Interface (96) with Diagnostics (D), HART (71) with Diagnostics, DeviceNet (92)
  • Solenoid Power Input - Stainless Steel Switching Sensors (33), Stainless Steel Switching Sensors (35), NAMUR Sensors (44)
  • Stuck Valve/Actuator Input - AS-Interface (96) with Diagnostics (D)
  • Wink Feature - AS-Interface (96) with Diagnostics (D), HART (71) with Diagnostics, DeviceNet (92)

Cover Material

  • Aluminum
  • Lexan

Current

  • 2.1 mA - NAMUR Sensors (44)
  • Target on I < 1 mA - NAMUR Sensors (44)

Deadband

  • 6° from Set Point - Postition Sensor System

Direct Mount

  • Yes

Distance

  • Wireless Link: 0 to 164 feet (0 to 50 metres)

Electrical Rating

  • 0.5 W at 12 Vdc (Intrinsically Safe) - Solenoid Pilot
  • 0.5 W at 24 Vdc - Solenoid Pilot
  • 0.6 W at 22-250 Vac/dc - Solenoid Pilot
  • 2 mA at 6.5 Vdc - Piezo Pilot (Bus Powered FOUNDATION Fieldbus)

Enclosure, Body Material

  • Anodized Epoxy-Coated Aluminum

Environmental Protection

  • Intrinsically Safe: Ex ia, Zone 0 or Class I & II, Div. 1
  • IP66
  • IP67
  • NEMA 4
  • NEMA 4X
  • NEMA 6
  • Non-Incendive: Ex N, Zone 2 or Class I & II, Div. 2

Filter

  • 30 microns (Pizeo) - Pneumatic Valve, Piezo Pilot (Bus Powered FOUNDATION Fieldbus)
  • 40 microns - Pneumatic Valve, Solenoid Pilot

Flow Rate

  • 0.70 Cv - Pneumatic Valve

Indication

  • LED

Input

  • 4-20 mA Auxiliary Analog Input, 10-bit Resolution, No Additional Power Source Required - DeviceNet (92)
  • Auxillary: 24 Vdc at 2 mA (Self-Powered) - AS-Interface (96), AS-Interface VCT with Extended Addressing (97), AS-Interface with Wireless Link
  • Solenoid: 20-250 Vac - Stainless Steel Switching Sensors (35)
  • Solenoid: 20-60 Vdc - Stainless Steel Switching Sensors (35)
  • Solenoid: 22-130 Vac/dc - Stainless Steel Switching Sensors (33)

Interface Connection

  • USB

Loop Resistance

  • Position Feed Back: 250 to 400 ohms at 24 Vdc - HART (71) with Diagnostics

Materials of Construction

  • Fastener: 316 Stainless Steel
  • Seal Spacer: Polysulfone
  • Spool, Mounting Manifold (Adaptor): Epoxy Coated, Nickel-Plated Aluminum
  • Visual Indicator: Lexan Polycarbonate

Mounting

  • Compact Mounting

NPT Connection

  • 1/4” NPT Female

O-Ring Material

  • Nitrile

Operating Pressure

  • psi: 40 to 120 (kPa: 270 to 750, bar: 2.7 to 7.5) - Pneumatic Valve

Operating Temperature

  • -10° to 60° C (14° to 140° F) - Piezo Pilot (Bus Powered FOUNDATION Fieldbus)
  • -18° to 50° C (0° to 122° F) - Solenoid Pilot
  • Extended: -40° to 80° C (-40° to 176° F) - Solenoid Pilot

Operation

  • Normally Closed (Solid State) - NAMUR Sensors (44)
  • Normally Open (Solid State) - Stainless Steel Switching Sensors (33), Stainless Steel Switching Sensors (35)

Output

  • 0.5 W at 24 Vdc - AS-Interface (96) with Diagnostics (D)
  • 2 mA at 6.5 Vdc Current Limited to 2 mA (Bus Powered) - FOUNDATION Fieldbus VCT, Bus Powered (93)
  • 2 W at 24 Vdc - AS-Interface VCT with Extended Addressing (97)
  • 21-26 Vdc - AS-Interface (96), AS-Interface VCT with Extended Addressing (97)
  • 24 Vdc - AS-Interface (96) with Diagnostics (D), AS-Interface with Wireless Link, DeviceNet (92) (± 10 %)
  • 4 W at 24 Vdc - AS-Interface with Wireless Link, DeviceNet (92) (Both Outputs Combined), AS-Interface (96)
  • Position Feed Back: 14-35 Vdc - HART (71) with Diagnostics
  • Position Feed Back: 4-20 mA - HART (71) with Diagnostics

Override

  • External Latching
  • Manual Override

Power

  • Solenoid Power: 0.02 A at 24 Vdc / 0.5 W - HART (71) with Diagnostics, Expeditor
  • Solenoid Power: 0.04 A at 12 Vdc / 0.5 W - HART (71) with Diagnostics, Expeditor
  • Transmit: 2.5 mW or 4 dBm

Pressure Cycles

  • 1 Million - Pneumatic Valve

Pressure Type

  • Differential

Range

  • 0 to 330 feet (0 to 100 metres) - Wireless Link VCT

Repeatability

  • Within 1° - Postition Sensor System

Rotation

  • 120°, Max.

Seat / Seal Material

  • Spool Seal: Nitrile

Supply Pressure

  • psi: 40 (kPa: 270, bar: 2.7) Min. - Expeditor

Supply Pressure - Maximum

  • psi: 120 (kPa: 820, bar: 8.2) - Expeditor

Temperature Range

  • -20° to 80° C (-4° to 176° F) - Expeditor
  • Extended: -18° to 50° C (0° to 122° F) - Expeditor
  • Piezo Pilots: -10° to 60° C (14° to 140° F)
  • Solenoid Pilots: -40° to 80° C (-40° to 176° F)

Valve Type

  • 5-Way, 2-Position
  • Solenoid Valve

Voltage

  • 20-125 Vac - Stainless Steel Switching Sensors (33)
  • 20-250 Vac - Stainless Steel Switching Sensors (35)
  • 7-24 Vdc - NAMUR Sensors (44)
  • 8-250 Vdc - Stainless Steel Switching Sensors (35)
  • Position Feedback Control, Intermediate Position Control: 9-35 Vdc (4-20 mA Loop) - Expeditor (80)
  • Protected from Direct Application of up to 125 Vac/dc - Stainless Steel Switching Sensors (33), Stainless Steel Switching Sensors (35)
  • Solenoid: 12 Vdc (Intrinsic Safety) - Expeditor (80)
  • Solenoid: 24 Vdc (Conventional) - Expeditor (80)

Voltage Drop

  • 6.5 V at 10 mA - Max.
  • 7 V at 100 mA - Max.
  • 7.5 V at 100 mA - Max.

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