Hood Heaters; Baud; Analog Output - Vaisala PWD22 User Manual

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User's Guide _______________________________________________________________________
76____________________________________________________________________ M210543EN-B

Hood Heaters

By default 0, no hood heaters are used. The hood heater option is
factory installed and may be used or disabled in the CONF session.
All the PWD22 heaters are switched ON below 2 °C and off at 5 °C.
When using hood heaters, a separate 24 V heating power must be
supplied. Hood heating power is 30 W for each hood.

BAUD

The baud rate and communication type can be changed by the
following operator command:
BAUD value communication_type
Baud rates 300, 1200, 2400, 4800, 9600
Communication types E (7E1) and N (8N1)
The new value is saved in EEPROM and it is used also after reset or
power up. The default baud rate set at the factory is 9600 bps (7E1).
The communication type definition is optional. It does not change if
the baud rate is changed.
The BAUD command displays the current baud rate and
communication type.
BAUD RATE: 9600 E71

Analog Output

Analog output is wired in the default configuration.
The analog output connection is set at the factory as shown in Figure
19 on page 77. You will need to do the differential measurement
connection at the user's end, which is also shown in in Figure 19 on
page 77.

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