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 |
Without HART : 8.5V (≒425 Ω) |
Air supply pressure |
1.4 – 7.0bar (20-100psi) |
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 |
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 |