Vaisala PTU300 Guida Utente Pagina 137

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Chapter 4 _________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 135
1102-040
Figure 61 FAULT/ONLINE STATUS Relay Output Modes
FAULT/ONLINE STATUS relays are usually used in conjunction with
an analog output to obtain validity information for the output value.
NOTE
If transmitter loses its power, all status-based relays are released
similarly to the case of an instrument failure.
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