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SMART VALVE POSITIONER
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SS2 Smart Positioner

CATALOGS MANUALS APPROVAL DRAWINGS

Introduction

Smart performance with innovative and ever-strong coil module 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
- 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 -40 ~ +80℃
- Improved control of high-friction globe and ball valves by eliminating an overshoot and a hunting
- Low air consumption
- Providing a mounting bracket to meet IEC 60534-6-1 for linear valves
- Supporting a NAMUR mounting pattern VDI/VDE 3845 (IEC 60534-6-2) and providing a multi-size mounting bracket for rotary valves

Option

- Output position transmitter (4 - 20 mA)
- 2 x alarm limit or micro switch (SPDT)
- By-pass (Auto / Manual screw)
- Intrinsically safe Ex ia IIC T6/T5
- HART communication
- Profibus PA communication
- Fieldbus FF communication

Specifications

Communication

Without

HART

Profibus - PA

Foundation
Fieldbus

Input Signal
/ Bus voltage

4-20mA @ 24 VDC

9 - 32 VDC

Min. / Max. Current

3.6 mA / 50mA

-

Current Consumption

-

15mA

16mA

Voltage Drop
(resistance)

8.7 VDC
(435Ω @ 20mA)

9.4 VDC
(470Ω @ 20mA)

-

Stroke / Angle

Linear type : 8 - 130mm *
Rotary type : 25 - 120°

Air Supply Pressure

1.4 - 7.0 bar (20 - 100 psi)

Output Pressure Range

0 - 100% of supply air pressure

Air Capacity

80 ℓ/min = 4.8 Nm3/h = 2.8 scfm (Sup = 1.4 bar)
233 ℓ/min = 14 Nm3/h = 8.2 scfm (Sup = 6 bar)

Air Consumption

2.8 ℓ/min = 0.17 Nm3/h = 0.1 scfm (Sup = 1.4 ~ 6 bar)

Characteristic

Linearity  <  ±0.3% F.S
Sensitivity   <   0.2% F.S
Hysteresis  <   0.2% F.S
Repeatability  <   0.2% F.S          

LCD Indicator

4-digit LCD indicator

Adjustable Speed

1 - 1000 (lowest 1, highest 1000)

Scan Time

2ms

Shut-off Value

Range 0 ~10% of position signal

Valve Action

direct action(DA) / reverse action(RA)

Operating Temperature

-40 ~ +80℃

Pneumatic Connections

PT 1/4, NPT 1/4

Electrical Connections

PT 1/2, NPT 1/2, M20 x 1.5

Protection Class

IP66
Intrinsically safe (Ex ia IIC T6/T5)
T6 : -40 ~ +40℃
T5 : -40 ~ +80℃

Body Material

Aluminum die-cast / powder-painted

Weight

1.6 kg

How to order

SS2

Actuator

Operation

-

Protection

Class

Feedback

Gauge

Block

By-pass

 

Position

Feedback

Communication

Connection

Threads

Bracket

Feedback pin

guide lever set

 

Description

Code

Actuator Operation :
L : Linear type
R : Rotary type
Protection 
Class :
I : Intrinsically safe
     (IECEx Ex ia IIC T6/T5
      ATEX Ex ia IIC T6/T5)
K : Intrinsically safe
     (KTL Ex ia IIC T6/T5)
W : Weatherproof to IP66
Feedback
lever :  
- Linear type
A: Stroke 8 ~ 30mm
B: Stroke 8 ~ 65mm
C: Stroke 8 ~ 130mm
D: Stroke 80 ~ 200mm

- Rotary type
F: Fork lever
N: Namur shaft
Gauge block :
N : None
1 : 6 bar (90psi)
2 : 10 bar (150psi)
By-pass :
N: None                      
Y: Included (auto / manual screw)

Description

Code

Position
Feedback :
N : None
O : Position transmitter
     (4 ~ 20mA output signal)
L : 2 x Alarm limit
S : 2 x Micro switch (SPDT)
M : O + L
Q : O + S
Communication:
N : None
H : HART Communication
P : Profibus PA Communication
F : Fieldbus FF Communication
Connection
Threads :
3 : PT 1/4 - PF 1/2 (std)
4 : NPT 1/4 - NPT 1/2
5 : PT 1/4 - M20 x 1.5
Bracket :
N : None
L : IEC 60534-6-1 (for SS2L)
R : VDI/VDE 3845
    (IEC 60534-6-2) (for SS2R)
Feedback pin
Guide lever set :
(Only for linear
  typeSS2L)
0 : None
1 : Included