IM-P343-44 CTLS Issue 5 7
EP500 Standard Electropneumatic Positioner
6 = Feedback lever
7 = Feedback spring
8 = Pneumatic relay
9 = Pneumatic actuator
10 = Span lever
2.3 Applications
The EP500 can be used with any actuator that
conforms to NAMUR, this includes all of the
following Spirax Sarco pneumatic actuators:
PN1000 and PN2000 series
PNS3000 and PNS4000 series
PN9000 series
TN2000 series
2.5 Technical data
Input signal range 4-20 mA (split range minimum amplitude 4 mA)
Input resistance 228 Ω
Air supply 1.4 to 6.0 bar (regulate 5 to 10 psi above actuator spring range)
Air quality Air must be free of water, oil and dust
Output pressure 0 to 100% supply pressure
Actuator stroke 10 mm to 100 mm
Action Single acting/fail vent
Operating temperature -20 °C to +75 °C
Air flow 3.20 Nm
3
/ h @ 1.4 bar
Steady state air consumption 0.1 Nm
3
/ h @ 1.4 bar
Air connections ¼" NPT female
Sensitivity ≤ 0.2% F.S. (Full Scale)
Histerisis ≤ 0.4% F.S.
Linearity ≤ 1.0% F.S.
Repeatability ≤ 0.5% F.S
Electrical connections
Cable gland M20 internal terminals for conductors from 0.5
to 2.5 mm
2
wire
Degree of protection IP65
Characteristic Linear
Shipping weight 2.35 kg
2.4 Materials
Part Material Finish
Case
and
cover
Die cast
aluminium
Anti-corrosive
paint to RAL9006
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