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3.2 Function List
3.2.4 Warning output function
3
SPECIFICATIONS
3.2.4 Warning output function
(1) Process alarm
(a) If the detected digital output value rose to or above the process alarm upper upper
limit value or fell to or below the process alarm lower lower limit value and entered
the warning output range zone, the warning output flag (process alarm)(Un\G50)
and warning output signal (X8) turn ON and the ALM LED is lit to indicate the
warning.
A warning will be output according to the following digital output values.
(b) After a warning was output, when the digital output value reaches a value less
than the process alarm upper lower limit value, or a value more than the process
alarm lower upper limit value, "0" is stored in the corresponding bit of the warning
output flag (Un\G50) for the channel.
The warning output signal (X8) turns OFF, and the ALM LED turns OFF when the
digital output values in all channels get out of the warning output range.
(c) When time or count averaging is specified, this function is executed at intervals of
the preset averaging time or averaging count.
When any other A/D conversion system (sampling processing, moving average,
primary delay filter) is specified, this function is executed at intervals of the
sampling time.
(d) To use the scaling function, be sure to consider scale conversion before setting
the CH process alarm upper/lower limit value.
Item Digital value causing warning output
Value set in scaling enable/
disable setting (Un\G53)
0: Disable
CH digital output value (Un\G11 to Un\G18)
1: Enable
CH scaling value (Un\G54 to Un\G61)
Upper upper
limit value
Upper lower
limit value
Lower upper
limit value
Lower lower
limit value
Warning output range
Warning output range outside
Included
Digital output value
Time
Warning
occurrence
Warning cancel
Warning
occurrence
Warning cancel
Warning cancel
Warning
occurrence
CH1 digital output
value
CH2 digital
output value
CH1 process alarm upper limit value
(Un\G50.b0)
CH1 process alarm lower limit value
(Un\G50.b1)
CH2 process alarm upper limit value
(Un\G50.b2)
Warning output signal (X8)
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