5
Sensors
The new smart sensors have the ability to monitor all contained areas of
the fuel-storage system: tank interstice, piping sumps, STP containment
sumps, dispenser sumps/pans and monitoring wells. Sensors connected
to the VSmart Module are automatically detected and identified by the
console.
5.1
IntelliSense™ Technology
This technology allows the SiteSentinel® iSite™ and VSmart Module to
automatically detect sensor connection, sensor type and sensor status.
IntelliSense will minimize user entry error and identify hardware issues
with minimal troubleshooting.
5.2
Multi-drop Installation
With the new VSmart Module you have the ability to multi-drop (“daisy-
chain”) the sensors and probes. When using this installation method;
follow the below directions to ensure approved wiring.
(
Figure 5-1 and
Figure 5-2
).
Sensors and probes cannot be multi-dropped from the same I.S.
Channel. Therefore you must run sensors and probes to different
channels on the barrier.
Seal packs are required with all wiring applications in the field.
Weatherproof junction boxes are recommended with multi-drop
installations but are not required. They are, however, required with
sump installation wiring.
Probes and Sensors cannot run within the same chain. Independent
chains must be run for Probes and a separate chain for Sensors.
Figure 5-1 Sensor Chain
Figure 5-2 Probe Chain
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