SS2 Linear / Rotary Smart Valve Positioner Smart performance with innovative and ever-strong coil drive even under harsh working environments.

Features:

  • Easy and Quick Auto-calibration
  • Detecting 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 Allowing to be Installed on Small Actuators
  • Provide Error Messages Against Performance Failures
  • Possible to Test the Actuator with any Fixed Signal Under a Test Mode
  • Programmable Characteristic Curve with 17 Points
  • Wide Operating Temperature Range -30° to 80° C
  • Improved Control of High-friction Globe and Ball Valves by Eliminating Overshoot and Hunting
  • Low Air Consumption
  • Mounting Bracket to Meet IEC 60534-6-1 for Linear Valves
  • Support a NAMUR Mounting Pattern VDI/VDE 3845 (IEC 60534-6-2) and Providing a Multi-size Mounting Bracket for Rotary Valves
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
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Selected Configuration

Model #:

SS2, RSS2 & SS2S

Price:
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Availability:
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Min. Qty:
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Configuration

reset configuration

Agency Approvals

  • ATEX Intrinsically Safe: Ex ia IIC T5
  • CE
  • IEC Ex Intrinsically Safe: Ex ia IIC T5
  • ISO 8573-1
  • KC Intrinsically Safe: Ex ia IIC T5

Environmental Protection

  • Weatherproof to IP66

Pressure Range

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

Output Pressure

  • 0-100% of Supply Air Pressure psi: 20 to 100 (kPa: 140 to 700, bar: 1.4 to 7)

Pressure Type

  • Gauge

Operating Temperature

  • -30° to 80° C (-22 to 176° F)

Ambient Temperature

  • -30° to 85° C (-22° to 185° F) - Micro Switches

Hysteresis

  • <0.2% of Full Scale

Deadband

  • 0 to 9.99%

Sensitivity

  • <0.2% of Full Scale

Switch Quantity

  • 2 Switches

Air Consumption

  • 0.07 SCFM (14 Nm³/hr) (2 l/min) at psig: 20 to 90 (kPa: 137.9 to 620.5, bar: 1.37 to 6.20) Supply Pressure

Air Supply

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

Span and Zero Adjustments

  • 0 to 100% - Span Adjustment
  • 0 to 99% - Zero Adjustment

Repeatability

  • <0.2% of Full Scale

Linearization

  • User Set (17 Points) - Performance Characteristic

Process Connection - Threaded

  • 1/4" Female NPT - Pneumatic Connection
  • Rc 1/4" Female - Pneumatic Connection for Rc 1/4"

Actuator Type

  • Linear (Direct Acting, Reverse Acting)
  • Rotary (Spring Return, Double Acting)

Switch Type

  • Microswitch (SPDT)

Input Signal

  • 4-20 mA at 24 Vdc

Power Supply

  • 12-30 Vdc - Position Transmitter

Cable Length

  • 9.8 to 49.2 (3 to 15 meters) - RSS2

Electrical Rating

  • 10.1 A at 250 Vac - Micro Switches

Current

  • 3.6 mA Minimum
  • 30 mA DC - Output Current Limit of Position Transmitter
  • 50 mA Maximum

Communication

  • Foundation Fieldbus
  • HART
  • Profibus

Electrical Connectors

  • 1/2" NPT
  • G 1/2"
  • M20 x 1.5

Output

  • 20-4 mA
  • 4-20 mA, 2-wire - Position Transmitter

Voltage Drop

  • 8.7 Vdc (435 Ohms at 20 mA) - Without Hart
  • 9.4 Vdc (470 Ohms at 20 mA) - With Hart

Display

  • 4-Digit LCD

Alarm

  • High/Low

Air Flow Capacity

  • 2.8 SCFM (4.8 Nm³/hr) (80 l/min) at psig: 20 (kPa: 138, bar: 1.38) Supply Pressure
  • 8.2 SCFM (14 Nm³/hr) (233 l/min) at psig: 20 (kPa: 138, bar: 1.38) Supply Pressure

Mounting

  • Fork Lever - For Rotary Type
  • NAMUR VDI / VDE 3845 (IEC 60534-6-2) - Rotary Type

Enclosure/Body Material

  • 316 Stainless Steel - SS2S
  • Aluminum Die Cast

Enclosure Finish

  • Powder Paint Coated

Linearity

  • <±0.3% of Full Scale
  • ±0.5% of Full Scale - Position Transmitter

Range

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

Scan Time

  • 2 Milliseconds