User's Manual

Performing Advanced Functions

Short

Battery (5,6 to 10V)

Fig. 11: A73x Connection with External Battery

If you want to use the internal battery with a different power supply (charger) than

the provided solar panel, disconnect the solar panel and use the configuration

shown in Fig. 12.

Short

Charger (9 to 10V,

100 to 300mA)

Fig. 12: A73x Connection with External Power Supply

And if you want to use an external battery with a different power supply (charger)

than the provided solar panel, disconnect the internal battery and solar panel and

use the configuration shown in Fig. 13.

Short

Charger (must

fit the battery)

+ +

Battery

(5,6 to 10V)

Fig. 13: A73x Connection with External Battery and Power Supply

3.2 Communicating with the RTU

You can use a Windows HyperTerminal window to connect to the A73x RTU. After

you have installed the system, follow these steps to configure the device and set

the default parameters:

Note: To configure the A73x RTU, you must have a special adapter cable (available from

Adcon) and plug it into the POWER connector.

1. Start a HyperTerminal session.

2. Select the appropriate serial port and click OK.

3. Configure your terminal as follows:

• 19200 baud

• 1 stop bit - 8 data bits

• No parity

• No protocol (neither hardware nor software)

4. Select OK to open the terminal window.

5. Press Enter to generate a response in the window.