Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 93
addition, you have to change the wiring to be able to use the COM1
port and the provided cable for powering the radio modem from the
External DC (+ExtDC) of the logger.
1.
Remove the logger's cover and install the DSU232
communication module to the MOD1 location. See Figure 89 on
page 92.
2.
Reassemble the logger's cover.
3.
Install an additional sensor arm with radio modem fixtures to
MAWS. See Figure 42 on page 57 and Figure 43 on page 57.
4.
Install the radio modem to the fixture. See Figure 90 below.
0201-042
Figure 90
Radio Modem and the Fixture
5.
Disconnect the wires Red and Brown from the COM1 connector
(2). Connect the Red wire to GND and the Brown wire to
+ExtDC terminal of the Power connector (1). See Figure 91 on
page 94.