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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.
And 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.
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:
4. Select OK to open the terminal window.
5. Press Enter to generate a response in the window.
Battery (5,6 to 10V)
Fig. 11:
Charger (9 to 10V,
Fig. 12:
+
Charger (must
fit the battery)
Fig. 13:
A73x Connection with External Battery and Power Supply
•
19200 baud
•
1 stop bit - 8 data bits
•
No parity
•
No protocol (neither hardware nor software)
5
1
+
4
3
-
A73x Connection with External Battery
+
5
1
4
3
100 to 300mA)
-
A73x Connection with External Power Supply
5
1
+
4
3
Battery
(5,6 to 10V)
Performing Advanced Functions
Short
2
Short
2
Short
2
27
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