Explosion Proof; Installing An Enlarged Coaxial Probe - Genesis ED1 Installation And Operating Manual

Coaxial Probe
end view
63-601 Genesis Models ED1 & ED2 Multiphase Detector

1.4.3 Explosion Proof

Explosion Proof (also referred to as XP or flameproof ) is a
method of designing equipment for installation into hazardous
areas. A hazardous location is an area in which flammable
gases or vapors are (or may be) present in the air in quanti-
ties sufficient to produce explosive or ignitable mixtures.
The wiring for the main electronics must be contained in
Explosion Proof conduit extending into the safe area.
• An Explosion Proof conduit fitting (EY seal) is required
between the hazardous and safe areas. See Agency
Specifications, Section 2.5.
• The wiring between the main electronics and probe electronics
(supplied by Magnetrol) is Intrinsically Safe (protected by
an internal barrier contained within the main electronics).
Remove the cover from the wiring compartment.
Connect the positive lead from the 24 VDC Power Supply
to the left terminal and the negative lead from the 24 VDC
power supply to the right terminal block labeled "POWER"
on the wiring board within the main electronics housing.
(Do not apply power to the system until the probe elec-
tronics wiring has been completed.) See photo at left.
Depending on the requirements of the application, connect
the 4/20 mA wires to the Analog Output (AO) terminals on
the wiring board within the main electronics housing.
• Analog Output 1 (AO1) is available with HART digital
output, and should be configured to transmit the Primary
Variable (PV). Options include:
• Upper Level
•
Emulsion Top Level
• Water Level
• Sand Level
• The remaining three (3) outputs (AO2, AO3, and AO4)
can be assigned to any of the other levels.
Replace the wiring cover securely to the housing.

1.4.4 Installing an Enlarged Coaxial Probe

(Model PxC)
Before installing, ensure that:
• The model and serial numbers shown on the nameplates of
the Genesis detector and probe. For optimal performance
(and correlation to the Calibration Certificate included with
all units), devices must be installed as a matched set.
• Probe has adequate room for installation. Ensure probe has
adequate overhead clearance and unobstructed entry to the
bottom of the vessel.
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