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Chapter 2. Hardware Setup and Panel Oper
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Digital Input Device
The digital input port on the Control Pad can be used to install a digital input
device such as a switch or a sensor. The digital input channel can be configured
to the VDC mode or the Dry Contact mode.
Digital Input (Dry Contact):
Digital inputs are hardware devices (switches, sensors, monitors) with two
circuit signals – open and closed. These two signals provide indicators from
sensors or switches of an event. An event can be the on/off power, dry contact,
sensor or switch status from a device. This information is used to trigger events
and functions through the Control Pad.
Digital Input (VDC):
Digital input 5VDC hardware devices (temperature, current and monitor
sensors) provide voltage signals between 1 and 5. A digital input port detects
if a voltage is above/below a specific threshold (1 to 5). If the voltage coming
from a hardware device is higher than the set value, the Control Pad will
detect the digital input as high. If the voltage coming from a hardware device
is lower than the set value, the Control Pad will detect the digital input as low.
This information is used to trigger events and functions through the Control
Pad.
Connects to
1 x Programmable Digital
Input Channel
Digital Input
VDC Mode:
-Input Voltage Range: 0 to 5 VDC
-Programmable Range: 1 to 5 VDC
Dry Contact Mode:
-Pull-up 2k ohms to + 5 VDC
Digital Input: Switches,
Sensors, Monitors, or Button