SS Smart positioner

Smartest valve control device meeting a dynamic performance and a precise setting with a piezoelectric technology and an optimized auto-calibration program

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Features of SS Smart positioner

 

  • Auto-calibration for optimum conditions
  • Precise control performance and high dynamic response
  • Easy operation with fork-key pads and full text graphical LCD
  • Single and double acting
  • Low air consumption due to piezo electric micro valve
  • Pressure regulator built-in to eliminate variations in supply air pressure
  • Problem-free characteristics on a small actuator
  • High resistance against shock and vibration
  • Mounting on linear actuators according to IEC 534

 

Specifications of SS Smart positioner

Input signal

4 – 20㎃ @ 24 VDC

Voltage drop

8.5 VDC @ 20㎃ (425 Ω)

Min./ Max. current

3.6㎃ / 50㎃

Required load voltage
(≒Ω @20㎃)

Without HART : 8.5V (≒425 Ω)
With HART : 9.2V (≒460 Ω)

Air supply pressure

1.4 – 7.0bar (20-100psi)
Filtered compressed dry and non-oiled air

Output pressure

0-100% supply air pressure / single or double action

Shut-off valve

Range 0 – 5% of position signal

Air capacity

 1.4bar(20psi)

Air consumption

<0.04kg/h

Humidity limits

< 90% RH, non-condensing

Stroke

5-80mm (Max.up to 150mm)

Adjustable speed

1 – 1000 (lowest 1, highest 1000)

LCD indication

4-digit LCD indicator

Scan time

2ms

Valve action

Position 0-100% / direct action (DA) / reverse action (RA)

Characteristic curve

Linear, E.Q.% (1:25 or 1:50), Quick open
Linearity<=0.3% / sensitivity<=0.2% / hysteresis<=0.2%

Operationg temperature

-20 ~ +80℃

Protection class

IP66, intrinsic safety (Exia), flameproof (Exd)

Body material

Aluminum die-cast

Pneumatic connections

Rc 1/4 or 1/4 NPT

Electrical connections

2 X G 1/2 or 1/2 NPT

Weight

2.5 kg