8 ER3000 User Manual
2. SPECIFICATIONS
2.1 Enclosure
NEMA 4X.
T
o prevent any interference from electromagnetic radiation, use rigid metal
conduit to enclose the wiring entering the ER3000. Two 1/2NPT wire ports have
been provided for this purpose. If unused, properly seal with a metal plug.
2.2 Media
The preferred media is clean, dry instrument grade air or nitrogen. Use
of an in-line 40-micron filter is highly recommended to prevent damage
to the solenoid valves.
2.3 Inlet Pressure
Minimum: Outlet pressure + 1 PSIG.
M
aximum: 120 PSIG.
Typical: 110 PSIG.
Note: Response time is affected by input pressure.
2.4 Environment
Temperature: -30ºC to 75°C (Dry nitrogen supply gas).
-20ºC to 60ºC (KEMA Explosion Proof Versions M & N)
5ºC to 75°C (Shop air).
Pressure: 28 - 32 inches Hg
Humidity: To 100% R.H (non-condensing) @ 0°C to 75ºC.
2.5 Flow Rate
Cv: 0.01.
N
ote: The flow rate can be increased using a booster regulator.
2.6 Power Requirement
Voltage: 24V (22V to 28V)
C
urrent: 340mA Max, 180mA Nominal
2.7 RS485 Communication Interface
Networking: Up to 32 controllers on one network.
Cable length: 4000 ft. Max.
Baud rate: 9600
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