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3
SPECIFICATIONS
3.2 Function List
3.2.3 Warning output function
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1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
PROCEDURES AND
SETTINGS BEFORE
SYSTEM OPERATION
5
UTILITY PACKAGE
(GX CONFIGURATOR-TI)
6
PROGRAMMING
7
ONLINE MODULE
CHANGE
8
TROUBLESHOOTING
(2) Rate alarm
(a) Warning occurrence
When the measured temperature value is monitored at every rate alarm warning
detection period and the changed portion from the preceding value is larger than
or equal to the rate alarm upper limit value, or smaller than or equal to the rate
alarm lower limit value, a warning occurs.
When a warning occurs, "1" is stored to the bit of the corresponding channel in the
Warning output flag (Rate alarm) (Un\G48), Warning output signal (XD) turns ON,
and the "ALM" LED turns on.
(b) Warning clearance
After a warning occurrence, when the changed portion of the measured
temperature value is smaller than the rate alarm upper limit value or larger than
the rate alarm lower limit value (when the value returns to within the setting
range), the warning is cleared.
When the warning is cleared, "0" is stored to the bit of the corresponding channel
in the Warning output flag (Rate alarm) (Un\G48).
Warning output signal (XD) turns OFF only when the values for all channels return
to within the setting range.