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SS3 Explosion-Proof Digital Smart Valve Positioner
Brand: A-T Controls, IncSturdy explosion-proof housing and smart performance with innovative and ever-strong coil drive even under harsh working environments.
Features- Flameproof IECEx / ATEX / KC Ex d IIC T6
- 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
- Providing 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 75° C / -22° F to 167° F
- Improved Control of High-friction Globe and Ball Valves by Eliminating Overshoot and Hunting
- Low Air Consumption
- Providing a Mounting Bracket to Meet IEC 60534-6-1 for Linear Valves
- Supporting a NAMUR Mounting Pattern IEC 60534-6-2 (VDI/VDE 3845) and Providing a Multi-size Mounting Bracket for Rotary Valves
Specifications
Brand
Actuator Type
- Direct-Acting - Valve
- Double-Acting
- Reveres Action - Valve Action
- Spring Return
Air Consumption
- 0.1 scfm (0.17 Nm³/hour) (2.8 L/minute) at psig: 20 to 90 (kPa: 137.9 to 620.5, bar: 1.379 to 6.205) - Supply Pressure
Air Flow Capacity
- 2.8 scfm (4.8 Nm³/hour) (80 L/minute) at psig: 20 (kPa: 137.9, bar: 1.379) Supply Pressure
- 8.2 scfm (14 Nm³/hour) (233 L/minute) at psig: 20 (kPa: 137.9, bar: 1.379) 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
Alarm
- High/Low
Ambient Temperature Range
- -30° to 85° C (-22° to 185° F) - Micro Switches
Approvals & Certifications
- ATEX Eex D IIC T6
- Ex
- IEC 60534-6-1, 60534-6-2
- IEC Ex d IIC T6
- ISO 8573-1
- KC Ex d IIC T6
Communication
- FOUNDATION Fieldbus
- HART Communication Polling Address (0 to 15)
- PROFIBUS
Current
- 3.6 mA Min.
- 30 mA DC - Output Current Limit for Position Transmitter
- 50 mA - Max.
Deadband
- 0 to 9.99 %
Display
- 4-Digit LCD
Electrical Connectors
- 1/2” NPT: Connection Threads (Pneumatic - Electrical)
- 1/4” NPT: Connection Threads (Pneumatic - Electrical)
- G 1/2”: Connection Threads (Pneumatic - Electrical)
- M20 x 1.5: Connection Threads (Pneumatic - Electrical)
- 1/4” BSPT: Connection Threads (Pneumatic - Electrical)
Electrical Rating
- 10.1 A at 250 Vac - Micro Switches
Enclosure Finish
- Powder Paint Coated
Enclosure, Body Material
- Aluminum Die Cast
Environmental Protection
- Flameproof
- IP66
Hysteresis
- < 0.2 % of Full Scale
Input Signal
- 4-20 mA at 24 Vdc
Linearity
- < ± 0.3 % of Full Scale
- ± 0.5 % of Full Scale - Position Transmitter
Mounting
- Fork Lever
- NAMUR
Operating Temperature
- -30° to 75° C (-22° to 167° F)
- -30° to 80° C (-22° to 176° F) - Position Transmitter
Output
- 4-20 mA, 2-Wire - Position Transmitter
Output Pressure
- 0 to 100 % of Supply Air Pressure
Power Supply
- 12-30 Vdc - Position Transmitter
Pressure Range
- psi: 150 (kPa: 1,000, bar: 10) - for Guage Block
- psi: 90 (kPa: 620.5, bar: 6.205) - for Gauge Block
Pressure Type
- Gauge
Range
- 0 to 10 % of Position Signal - Shut-Off Value
Repeatability
- < 0.2 % of Full Scale
Rotation
- 25 to 120° - Rotary Typical: Angle
Scan Time
- 2 milliseconds
Sensitivity
- < 0.2 % of Full Scale
Span & Zero Adjustments
- 0 to 100 % - Span Adjustment
- 0 to 99 % - Zero Adjustment
Switch Type
- Micro Switch
- SPDT
Voltage Drop
- 8.7 Vdc (435 ohms at 20 mA) - without HART
- 9.4 Vdc (470 ohms at 20 mA) - with HART