Easy xLogic User Manual

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The fans are monitored by means of flow sensors. If no air flow is registered after a short delay
time has expired, the system is switched off and an error message is generated, which can be
acknowledged by pressing the off button.
Fan monitoring requires an analyzer circuit with several switching devices, in addition to the
flow sensors. A single xLogic device can replace this analyzer circuit.
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The circuit diagram of ventilation system:
Required components:
 K1 Main contactor
 K2 Main contactor
 S0(make contact) Off button
 S1(make contact) On button
 S2(break contact) Flow monitor
 S3(break contact) Flow monitor

H1 Flashing lamp
 H2 Flashing lamp
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The use of xLogic reduces the amount of switchgear. Thus, you save installation time and space
in the control cabinet. You may even be able to use as a smaller control cabinet.
With xLogic you can also switch off of the fans sequentially after the system is switched off.
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The system is switched on and off at the inputs I1 and I2. The fans are connected to outputs Q1
and Q2, the flow sensors are connected to the inputs I3 and I4. Blocks B07 and B10 are used
to set the watchdog times after which the flow sensors should send a signal to the fault output
Q3.

Easy xLogic Specifications

General

Brand	Easy
Model	xLogic
Category	Control Unit
Language	English