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Crowcon Vortex User Manual

Crowcon Vortex
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Vortex Manual Technical Information
Issue 7 December 2009 37
VORTEX TECHNICAL
DC/Mains Fail relay
output (J leftmost set
of 3 connections)
This indicates the status of the dc input to the Power
Monitoring Module. This input comes either from a
mains Power Supply Unit or from the 24Vdc In
terminals. The relay is normally energised and de-
energises when the dc input is absent.
Battery (Disconnect)
relay output (J centre
set of 3 connections)
Batteries have to be protected against deep
discharge, as it causes permanent damage that
eventually shortens battery life. If the battery
terminal voltage falls below about 20V, this relay
trips out. It disconnects the battery power to the rest
of the Vortex system. It is normally energised until
the voltage goes below the threshold, and does not
reconnect until the battery terminal voltage is
recharged to about 26V.
Low Battery relay
output (J rightmost
set of 3 connections)
This relay indicates when the battery terminal
voltage falls below about 22V, which shows that the
battery is approaching the exhaustion of its charge
capacity. It is normally energised until the voltage
goes below the threshold, and does not reconnect
until the battery terminal voltage is recharged to
about 26V.
24Vdc Out
(connectors) (K)
There are four 500mA electronically-fused outputs
that can be used to power auxiliary equipment and
can be used in conjunction with the relay modules
to drive audible/visual alarms. These outputs are
19-29V dependent on the dc input, with a 0.6-0.7V
drop. Typically, this is 28.5V.
4.7.2 Removing the 5-Way Cable Assembly
With the Power Monitor Module isolated from the system remove the 4 screws from each corner of the
Power Monitor Module cover and remove the cover from the PCB. Disconnect the 5 way cable header
from PCB. Re-assemble the Power Monitor Module PCB into the cover.
4.7.3 Mounting the Power Monitoring Module on a DIN Rail
The Power Monitoring Module can be mounted on a DIN Rail using the adapter plate and clips
provided, this is not applicable in Vortex. Screw the adapter plate to the clips in the required
orientation. Then screw the Power Monitoring Module to the adapter plate, see Figure 12. Push the
clips on to the DIN Rail until they click home.

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Crowcon Vortex Specifications

General IconGeneral
BrandCrowcon
ModelVortex
CategoryControl Panel
LanguageEnglish

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