Argent Data Systems OpenTracker USB Bedienungsanleitung PDF herunterladen (Seite 9)

Tracker3 User’s Manual 7

Telemetry – All Tracker3 models include an integrated temperature sensor. The

OT3m and T3-301 can measure and report their supply voltage, and the OT3m

includes four analog 0-20v inputs and one digital telemetry input. The T3-Mini

has a total of 13 digital input/output pins and four analog inputs. Temperature

and voltage readings can be reported in status packets, and the other readings

can be reported in an APRS telemetry message.

Scripting – To automate a variety of tasks and increase the device’s feature set,

the Tracker3 includes a simple user-programmable script system.

5. Hardware Description – OT3m

The Tracker3 model OT3m features a heavy-duty steel enclosure and measures

approximately 4.2” by 3.2” by 1”. The circuit is built with surface mount

technology and includes over-voltage and over-current protection, as well as RFI

filtering on external connections.

5.1. Front Panel

The front panel has two bi-color indicator LEDs, marked ACT (activity) and

TX/RX (transmit/receive). The removable 10-pin terminal block is an accessory

port that provides a Dallas 1-wire data bus, 5 volt power, four 0 to 20v analog

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Argent Data Systems OpenTracker USB Bedienungsanleitung Seite 9