Rotary Positioners

Power Genes SS2 Smart Electro-Pneumatic Positioner

PG-SS2 smart positioner with LCD screen and 4 push buttons, available with aluminium or stainless steel housing.

Overview: User friendly auto-calibrating smart electro-pneumatic positioner for use in ATEX Exia rated hazardous areas, with local push-buttons and LED screen for parameter setting and instrument feedback. Wide range of options including bus communications.

Function: The internal micro-processor constantly compares the input signal (4-20mA or via bus) with the physical position of the output shaft and if a difference exists, sends a correcting signal. The correcting signal is converted from 4-20mA to 3-15 psi, opening an internal valve allowing the supply air pressure to be fed to the actuator.

Select Actuator Function:

Sizing Criteria:

Restrict pilot orifice for small air volume actuators to eliminate hunting

Options:

Output 4-20mA position transmitter
2 Alarms or SPDT micro-switch
Low temperature version (-40C)
HART communication
Profibus PA communication
Foundation fieldbus communication

ENQUIRE ABOUT THIS PRODUCT

 

Standard

With HART

With PROFIBUS

With FIELDBUS

Input signal/ Bus volts

4-20mA @ 24V DC

9-32V DC

Min/ Max current

3.6mA / 50mA

-

Consumption

-

15mA

16mA

Volt drop (resistance)

8.7VDC (435Ω)

9.4VDC (470Ω)

-

Stroke/ Angle

Linear: 5-130mm /  Rotary: 25-120°

Air supply

1.4 to 7 bar (100psi) dry, filtered to 5 micron or less, oil free

Output pressure

0-100% of supply pressure

Air Capacity

80 LPM / 2.8 scfm at 1.4 bar
233 LPM / 8.2 scfm at 6 bar

Air connections

¼” BSP or NPT

Cable entries

2 x ½” BSP or NPT, M20 x 1.5

Protection class

ATEX Ex ia IIC T6/T5  IP66     IP66

Ambient temperature

-30 to +80°C [Std], option min -40°C

LCD Screen

4 Digit LCD

Output characteristic

Linear, Equal Percentage, Quick Open, User set (17 points)

Linearity

< 0.3% FS

Sensitivity

< 0.2% FS

Hysteresis

< 0.2% FS

Repeatability

< 0.25% FS

Adjustable Speed

1-1000 (1 lowest, 1000 highest)

Scan time

2ms

Shut-off valve

Range 0-10% of position signal

Valve action

Direct acting (DA) or Reverse acting (RA)

Housing material

Die cast aluminium, powder epoxy coated

Weight

1.6Kg

No connections.

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