Vaisala WAA151 Installation Manual download pdf (Page 128)

Installation Manual __________________________________________________________________

126 __________________________________________________________________ M010114en-B

0202-020

Figure 125 QST101 Wiring Diagram

After the cables are connected, configure the transmitter with the

MAWS Lizard setup software. For more information, refer to the

Technical Reference.

Installing Accessories

Internal Battery

The MAWS301 system usually uses large backup batteries. Therefore,

the internal battery QMB101 is optional and is used only if backup

battery is not used. The QMB101 battery is placed on top of the circuit

board, under the logger cover.

NOTE

When a 12 V backup battery is used, it is recommended that

QMB101 is disconnected by removing the red battery connector from

the CPU. This way the current consumption will be reduced when

charging circuits of QMB101 are not in use.

If you do not have backup batteries, the internal battery should be

installed when the weather station is in operational use. The battery

supplies backup power to the station and is needed for keeping the

time and date information.

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Vaisala WAA151 Installation Manual Page 128