MAN_DZ7_001 Rev 1.1 Flightcell® DZMx Plus Installation Manual
Page 44 of 61
Effective Date: 28 Jun 2021
DZMx Plus Inputs
The DZMx Plus general-purpose inputs (GPIs) can be used to indicate some event or state
on the aircraft. A standard DZMx Plus has five inputs, with another seven inputs available on
the optional DZMx Input Expansion Card (IEC). An input may be used for a range of
functions:
Uses include:
1.
Indicating an event, including, but not limited to:
»
Engine start.
»
Take-off.
»
Release of water from a fire-fighting tank.
»
Indicating a level, such as the amount of water in a fire fighting tank.
»
Triggering an action on the DZMx Plus, such as triggering an Iridium Push-to-Talk
(PTT) transmission. To trigger an action; e.g. connect to a
»
PTT button to start/stop a PTT transmission.
»
Custom button to cancel DZMx Plus audio alerts.
»
Custom button to turn on or off Wi-Fi and Bluetooth.
2.
To trigger an event report; e.g. connect to a Collective switch or Weight on Wheels
(Weight on Ground) switch to generate take-off tracking messages.
»
Collective switch or Weight on Wheels (Weight on Ground) switch to generate take-
off tracking messages.
»
Oil pressure switch: To generate engine start and stop messages.
»
Cockpit lighting control to control DZMx brightness externally from the dimmer
control (only available on input 5)
»
Rotor brake light to trigger a Rotor Brake On/Off report
»
Winch control to trigger winch out/in report.
3.
To trigger an action; connect to a
»
PTT button to start/stop a PTT transmission.
»
Custom button to turn on or off Wi-Fi and Bluetooth.
4.
Additional applications can be activated on the DZMx Plus which provides a large
range of additional functions for the inputs. These include:
»
Airline Application.
»
Firefighting Application (see details in the DZMx Firefighting Application Manual).
Wiring the inputs
The inputs can tolerate a voltage range of 0-28VDC, with an over/under voltage
protection to ±32VDC. The inputs have two states, Open (high voltage) or Closed
