172-65710M-04 (SC-F71 Parameters/Functions) 23 Dec 2021
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5.7 Changing Error Handling at Input Error
The measures for input errors can be selected from Input burnout direction, Input
error determination point, Manipulated output value at Input error, PV flashing display
at input error, and Input error status output.
Description of function
If the measured value (PV) exceeds the Input error determination point (high or low),
the action predefined at “Action (high and low) input error” will be taken. Input error
status signal can be output from OUT1 to OUT3 and DO1 to DO4.
In manual mode and control stop mode, action and output will not be
taken for input errors.
Input error determination point is set within the input range
1
Flashing can be suppressed by setting Function block No. 10: PV flashing display at input
error (Engineering mode).
2
Refer
to “Details of OUT1 to 3 as well as DO1 to 4 logic calculation selection” in 6.1
Changing Output Assignment for Input error status output.
3
Setting Burnout direction is available for thermocouple input and low voltage input (0 to 10
mV DC, 0 to 100 mV DC). Actions of other input types are fixed as follows.
RTD input: Upscale
High voltage/Current inputs: Downscale (Indicates value near 0)
Refer to the Input range table for the input range of each input.
Refer to 6.1 Changing Output Assignment for Input error status output.
NOTE
Содержание SC-F71
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