MAMAC Systems EP-321 Data Sheet
Tristate Pneumatic Transducer
Model EP-321
• Accepts universal 24 VAC/VDC triac or dry
... contact input
• Universal 24VAC/VDC supply voltage
• High air flow capacity
• Field adjustable pulse width and interval
• Field programmable travel time
• Compensates for system volume and leaks
• Precision pressure gauge for branch line
....indication
• Conforms to EMC and RoHS standards
RoHS
EP-321 accepts a tristate input and provides an output pressure pulse train
with a field adjustable pulse width and interval. As a result, any triac or contact
closure can be converted into a desired actuator travel. By adjusting the pulse
width and interval, the actuator travel time can be field programmed from
as low as five seconds to 25 seconds based on system volume. The EP-321
can operate over 0–20 psig pressure range and has negligible input/output differential. The EP-321 has quiet low wattage poppet valves, rugged aluminum
manifold, brass barb fittings and a unique steel chassis which substantially
reduces the overall size. A precision gauge is provided for the branch line pressure. The above features and a liberal five year warranty make the EP-321 the
highest performance and most reliable transducer in the industry.
DN321.4
® Registered trademark MAMAC SYSTEMS, Inc.
© Copyright 2013
SPECIFICATIONS:
EP-321
Output Pulse Width Range: 0.30 to 25 seconds,
± 10%
Repeatability: ± 1%
Maximum Supply Pressure: 30 psig
Pressure Differential: 0 psig (supply to branch)
Supply Current: 100 mA/2.4VA
Operating Temperature:
0° to 70°C
Storage Temperature: -40° to 100°C
Enclosure Material: 18 Ga C.R. Steel Chassis
Enclosure Finish: Baked on enamel-PMS2GR88B
ORDERING INFORMATION: EP-321
Manifold Material: Aluminum
Flow Rate:
550 SCFM
Solenoid Type: Floating poppet
Tubing Connection: 1/4” brass hose barb
Weight: 1.0 lbs. (.45 kg)
CONFORMANCE & TESTING:
RoHS Compliant
EMC Testing:
BS EN 55022:1998, BS EN 55024:1998,
EN 61000-3-3, EN 61000-4-2,
EN 61000-4-3, EN 61000-4-4,
EN 61000-4-5, EN 61000-4-6,
EN 61000-4-11
3.25" (82.55)
2.25” (57.14)
3.25"
(82.55)
2.75"
(69.85)
3.30"
(83.83)
(mm)
CAUTION: Do not use in explosive/hazardous environment or with flammable/combustible media.
2
DN321.4
® Registered trademark MAMAC SYSTEMS, Inc.
© Copyright 2013
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