ELAN HC4/HC8 INSTALLATION MANUAL
© ELAN 2010 | All rights reserved.
Page 24
Sense Input Connections
The Sense Inputs of the HC4 (2) / HC8 (4) are used to conditionally execute macros and to
trigger Event Maps that have been programmed into the System Controller using the ELAN
configuration software.
When used with a conditional macro the sensor is connected to the device being
monitored. The ELAN configuration software can be used to create a macro that checks
the status of the sensor prior to issuing a command. This “conditional programming” can
be used to prevent a TV, for example, from being inadvertently turned on or off when
changing sources or turning a zone on or off.
Event Maps can be programmed that execute a command or sequence of commands when
a Sense Input is triggered. For example, a driveway sensor can be used to activate an
ELAN contact closure sensor to trigger an Event Map that turns on the outside lights. The
status of a light sensor can be used to make the triggering of the Event Map conditional. If
it is daytime the lights don’t come on. If it is nighttime, they do.
The HC4/HC8 provides +5 VDC to the TIP (VSNS) connection to power the Sensor. When
the Sensor is activated, it shorts the ring (SNS) to the sleeve (GND) thereby triggering the
HC4/HC8’s Sense Input. See Figure 3-7.
Figure 3-7: Sense Inputs
Available ELAN sensors include: AUDIO, VIDEO, CONTACT CLOSURE, and VOLTAGE,
LED/LIGHT, and CURRENT/MAGNETIC FIELD sensors.
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