The iBox is the heart of the iEFIS system, and the conductor in the symphony of communication between all system devices and the iEFIS screens. The iBox contains the GPS engine (with antenna connection), the pitot/static sensors and Angle of Attack sensors. The iBox is the hub of communication for all the system devices (AHRS, RDAC, Autopilot Servos) and is also the hub of communication with all third party devices (radios, transponders, ADS-B, VP-X) via its RS-232 and ARINC interfaces.

One iBox is necessary in every iEFIS system, and in cases where maximum redundancy is required, a 2nd iBox can be added to the system. The 2nd iBox acts as a ‘hot standby’ and is ready to take over all iBox tasks automatically when necessary, or on command by the pilot.



Click on the DB-25 connectors above to see more information on those connectors.

The Power Connector (pigtail harness included with every iBox):
The iBox can be powered by 1 or 2 Power Sources (as in the case of a backup battery system). It also has a Keep Alive Power input that maintains date and time and some non-volatile memory items without using the CR2032 battery, which can result in up to 10 years of life on the CR2032 eliminating the need to change this battery every year. The Outside Air Temp sensor also connects to the Power connector.

The CAN Connector (pigtail harness included with every iBox):
The iBox features 2 CAN buses (CAN 1 and CAN 2). The system devices can be split up in any way on each of the CAN buses.

OAT Probe
Our aluminum OAT probe is included with every iBox

GPS Antenna
Our tuned GPS Antenna is included with every iBox (inside mount)

EFIS LAN coax
An RG-174 EFIS LAN coax cable is included with each system
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Blaze TP-4 - MGL Avionics
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HomeBlaze Singles TP-4
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TP-4

$339.00

3 1/8″ Engine Temperature/Pressure and Battery monitor

In stock (can be backordered)

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Blaze TP-4 - MGL Avionics
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Description

TP-4  Temperature/Pressure/Volts Display

The TP-4 is a 3 1/8” sunlight readable 4-channel universal analog input color display instrument. Each channel can be individually programmed to display either pressure, temperature, current or volts from a universal analog input that can interface to many sensors such as oil temperature, coolant temperature, oil pressure, fuel pressure, manifold pressure, boost pressure and many more.

The TP-4 can display any combination of 1 to 4 analog channels in a horizontal / vertical bargraph or a numeric display format.

Pressure can be measured using standard automotive resistive senders (e.g. VDO 2, 5 and 10 Bar), Rotax 4-20mA senders as well as voltage output pressure senders (e.g. UMA). Temperature can be measured using standard automotive resistive senders (e.g. VDO, Westach) as well as the MGL Avionics precision LM335 semiconductor sensor. In addition the temperature, pressure and current inputs can be programmed to a user defined curve for custom senders.

All analog channels have a programmable low and high alarm. This results in a contact closure that is typically used to switch a warning lamp on. The TP-4 also records the minimum and maximum values reached for each channel in permanent memory.

The TP-4 can also be optionally interfaced via the CAN bus to an external RDAC unit (Remote Data Acquisition Computer). This allows for easier installation as the RDAC unit is normally mounted in the engine compartment.

  • Four universal analog inputs that can be used for pressure / temperature /  current or volts
  • Pressure can be measured using standard automotive resistive senders (e.g. VDO 2, 5  and 10Bar), Rotax 4-20mA senders as well as voltage output pressure senders  (e.g. UMA)
  • Temperature can be measured using standard automotive resistive senders  (e.g. VDO, Westach) as well as the MGL Avionics precision LM335  semiconductor sensor
  • High accuracy: Built in linearization curves for common senders
  • Analog channels can be programmed to a user defined curve for custom senders
  • Supports the Rotax 4-20mA pressure sender as used in the 912/914 engines
  • Temperatures can be displayed in ºC or ºF
  • Pressure can be displayed in PSI or bar
  • Records minimum and maximum values reached for each channel
  • Optional external RDAC (Remote Data Acquisition Computer) interfacing via the CAN bus
Additional information
Power Specs

Voltage Input: 8-30 Volts DC with Over Voltage and Reverse Polarity Protection
Current Draw (13.8V): 130mA Backlight High, 50mA Backlight Low

Screen

Size: 2.6"
Resolution: 320×240
Backlight: minimum 600 cd/m2 brightness, sunlight readable LED backlight

Physical Specs

Unit Size: 85mm x 85mm x 82mm
Fits in: 3 1/8" Instrument Cutout
Weight: 150 grams (excluding wiring)

Brand

MGL Avionics

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TP-4 Installation Manual

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Vega/Blaze Firmware Update Manual

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