WESTLOCK CONTROLS CORPORATION
280 N. MIDLAND AVE., STE. 258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913
www.westlockcontrols.com
10/5/2013
TECH-477/D.W.O. 21424
Page 13 of 206
lapped spool and floating sleeve design. This balanced construction relies on an air bearing
which eliminates any metal to metal contact.
2 Technical Specifications
Input
Signal: Two wire PROFIBUS PA
Voltage: 9 to 32 VDC (Max 35V)
Current Consumption: 12.5 mA
Pressure: 15 - 45 psi (Low)
40 - 120 psi (High)
Instrumentation air quality must be in
accordance with ISO 8573-1 “Air Quality
Standards”
(See Pneumatic Connection Section 5.5
for more details)
Output
Flow Rate: 8.0 scfm @ 25 psi (Low)
16.2 scfm @ 90 psi (High)
Pressure: 0 to 45 psi (Low)
0 to 120 psi (High)
Actuator: Single Acting or Double Acting
Performance
Resolution: ± 0.2% Full Travel
Linearity: ± 0.5% Full Scale (Rotary)
± 1.0% Full Scale (Linear)
Hysteresis: ± 0.2% Full Scale
Repeatability: ± 0.2% Full Scale
Operating Temp: -40
C to 85
C
(-40
F to 167
F)
LCD readable: -20
C to 70
C
(-40
F to 158
F)
Thermal Coefficient: ± 2% / 100
C
Air Consumption:
0.03 scfm @ 25 psi (Low)
0.08 scfm @ 90 psi (High)
Stroke: 0.25 to 24 inches (Linear)
45 to 95 degrees (Rotary)
Position Feedback: Magnetic (Non-
Contact)
Diagnostics
:
PROFIBUS PA Protocol,
Software Utilizing PROFIBUS PA
Protocol
Enclosure
Material: Engineered Resin, Aluminum,
Stainless Steel
IP Rating:
IP 66
Weight: 3.3 Kg / 7.2 Pounds (resin,
standard flow manifold)
Air Connections:
1/4” NPT or 1/4”BSP (STD Flow)
3/8”NPT or BSP (High Flow)
Conduit Connection:
1/2” NPT (Standard)
M20 (Optional)
EMC (Electromagnetic Compatibility)
IEC 61000-6-2:2005 Electromagnetic
compatibility (EMC) – Immunity for
industrial environments