Vaisala BAROCAP PTB330, Руководство пользователя

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Chapter 3 _______________________________________________________________ Installation
VAISALA _______________________________________________________________________ 43
0703-001 Figure 23 Analog Output
Relay Module (RELAY-1)
The barometer can be equipped with one configurable relay module.
The module contains two configurable relays.
Installation and Wiring
1. Disconnect the power and open the barometer cover. In case the
relay-module is installed in the factory, continue with step 5.
2. To attach the module, first place a protective plate to the bottom of
the housing, then fasten the relay module to the top of the plate with
four screws. See the position in
Figure 2, Inside of Open
Barometer, on page 20 .
3. When the mains power is in use attach the grounding wire to the
grounding terminal.
NOTE
For instructions on how to operate the analog output, see section
Operation of Analog Output on page 99 .
NOTE
Only one of the switches 1 and 2 can be ON at a time. Only one of the
switches 3...7 can be ON at a time.
NOTE
The relay module is only intended for DC use.