Start-up and Parameter Settings
FLOWSIC100 Flare · Operating Instructions · 8013344/11L2/V 2-5/2018-10 · © SICK Engineering GmbH 177
Subject to change without notice
4.2.7.1 External analog temperature value
The temperature value can be input through external analog transmitters.
To read in a temperature value via external analog transmitter, select the “External ana-
log value” option.
Up to two temperature transmitters can be selected to increase fail-safety. Select the
analog input of the required transmitters in the drop-down lists.
Enter your lower and upper range limits in which the transmitter works.
The maximum deviation of both transmitters from each other can be set in the “Max.
Deviation” field. A warning message “AI redundancy warning” is output when a larger
deviation occurs. If „Max. deviation“ is set to “0.00000“ the deviation warning is dis
-
abled and no warning message will occur.
Fig. 112 External analog temperature value
NOTICE:
If two transmitters are selected, the mean value is created from both
temperature values. If one of the transmitters fails, the value of the remaining
transmitter is used. If both transmitters fail, the value measured last is used as
constant value until the function of the transmitters is restored.
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