Chapter 4 _________________________________________________________________ Operation
JUMO _________________________________________________________________________ 115
ONLINE STATUS
Live measurement (data available): relay active (C and NO outputs are
closed)
No live data (for example: error state, chemical purge or adjustment
mode): relay released (C and NC outputs are closed)
See Figure 60 unterhalb for illustrative examples of the
FAULT/ONLINE STATUSrelay output modes.
0610-077
Figure 60
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.