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SS5 Smart Valve Positioner

Brand: A-T Controls, Inc

Perfect combination with reliable fail freeze function and smart performance with innovative durable coil drive.
Features
  • “Fail Freeze” Function to Help the Valve Stay at the Last Position on the Electrical Power Supply or the Pneumatic Supply Air by Accident 
  • Easy and Quick Auto-calibration 
  • Detects RA - Reverse Acting or DA - Direct Acting Automatically Regardless of Wrong Air Connections 
  • Available to Use for Single or Double Acting without Any Special Adjustments 
  • Compact Design Allows Installation on Small Actuator 
  • Provides Error Messages Against Performance Failures 
  • Possible to Test the Actuator with Any Fixed Signal Under a Test Model 
  • Programmable Characteristic Curve with 17 Points 
  • Wide Operating Temperature Range -30° to 80° C / -22 to 176° F
  • Improved Control of High-friction Globe and Ball Valves by Eliminating an Overshoot and a Hunting 
  • Low Air Consumption 
  • Provides a Mounting Bracket to Meet IEC 60534-6-1 for Linear Valves 
  • Supports a NAMUR Mounting Pattern VDI/VDE 3845 / IEC 60534-6-2 and Provides a Multi-size Mounting Bracket for Rotary Valves

Specifications

Actuator Type

  • Linear
  • Rotary

Air Consumption

  • 0.07 scfm (2 L/minute) at 20 to 90 psig Supply Pressure

Air Flow Capacity

  • 2.8 scfm (4.8 Nm³/hour) at 20 psig Supply Pressure
  • 8.2 scfm (14 Nm³/hour) at 20 psig Supply Pressure

Air Supply

  • psi: 20 to 100 (kPa: 140 to 700, bar: 1.4 to 7), Filtered, Compressed Dry & Non-Oiled to Meet Class 3 of ISO 8573-1

Approvals & Certifications

  • ATEX
  • IC
  • IEC 60534-6-2, 60534-6-1
  • IECEx
  • KC Ex ia IIC T5

BSP Connection

  • 1/4” BSPT Female - Pneumatic-Electrical

Communication

  • FOUNDATION Fieldbus
  • HART
  • PROFIBUS

Current

  • Maximum
  • Minimum 3.6 mA

Display

  • LCD Display

Electrical Connectors

  • 1/2” NPT
  • G 1/2”
  • M20 x 1.5

Enclosure Finish

  • Powder Paint Coated

Enclosure, Body Material

  • Aluminum Die Cast

Environmental Protection

  • Explosion-proof
  • Intrinsically Safe
  • IP66
  • Weatherproof

Hysteresis

  • < 0.2 % of Full Scale

Indication

  • 4-Digit LCD Indicator

Input Signal

  • 4-20 mA at 24 Vdc

Linearity

  • < ± 0.3 % of Full Scale

Linearization

  • 17-Points - Performance Characteristic

Mounting

  • NAMUR

NPT Connection

  • 1/4” NPT Female - Pneumatic Connections

Operating Temperature

  • -30° to 80° C (-22° to 176° F)

Output

  • 4-20 mA - Output Position Transmitter

Output Pressure

  • 0 to 100 % of Supply Air Pressure

Pressure Range

  • psi: 150 (kPa: 1,000, bar: 10) - Pressure Gauge
  • psi: 90 (kPa: 620.5, bar: 6.205) - Pressure Gauge

Pressure Type

  • Gauge

Range

  • 0 to 10 % of Position Signal - Shut-Off Value

Repeatability

  • < 0.2 % of Full Scale

Scan Time

  • 2 milliseconds

Sensitivity

  • < 0.2 % of Full Scale

Supply Pressure

  • psig: 20 to 90 (kPa: 137.9 to 620.5, bar: 1.37 to 6.205)

Switch Type

  • Micro Switch
  • SPDT

Voltage Drop

  • With HART: 9.4 Vdc (470 ohms at 20 mA)
  • Without HART: 8.7 Vdc (435 ohms at 20 mA)
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