Vaisala HUMICAP HMT330 SERIES Betriebsanweisung Seite 116

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User's Guide ______________________________________________________________________
116 _________________________________________________________________ M210566EN-H
No live data (for example: error state, chemical purge or adjustment
mode): relay released (C and NC outputs are closed)
See Figure 62 below for illustrative examples of the FAULT/ONLINE
STATUSrelay output modes.
0610-077
Figure 62 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.
Enabling/Disabling Relays
You can deactivate the relay outputs for example for service purposes of
your system.
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