Warning Output Flag (Process Alarm/Rate Alarm) (Un\G47,Un\G48) - Mitsubishi Melsec-Q Series User Manual

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SPECIFICATIONS
3.4.14
For both process alarm and rate alarm, whether the warning is for the upper limit value or
lower limit value can be checked for each channel.
(1) Data storage
Un\G47 (Process alarm)
Un\G48 (Rate alarm)
Figure 3.31 Storage of Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)
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- 44 3.4 Buffer Memory

3.4.14 Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)

Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)
(a) When a measured temperature value is out of the setting range of the CH
Process alarm upper/lower limit values (Un\G94 to Un\G125) or CH
upper/lower limit values (Un\G134 to Un\G149), the bit of the corresponding
channels turns on (changes to "1").
b15 b14 b13 b12 b11
b15 b14 b13 b12 b11
(b) When the measured temperature value or the change of measured temperature
values returns to within the setting range, this flag will be automatically reset.
(c) When Operating condition setting request (Y9) is turned on, this flag will be
cleared.
(d) If a warning is detected on any of channels for the conditions described below,
Warning output signal (XD) also turns on.
1) Conversion enable ("0") is set in Conversion enable/disable setting (Un\G0).
2) Process alarm setting or rate alarm setting are set to "Enable"("0") in the
Warning output enable/disable (Un\G46).
b10 b9 b8 b7 b6
b10 b9 b8 b7 b6
Rate alarm
b5 b4 b3 b2 b1
0: Normal
1: Alarm ON
b5 b4 b3 b2 b1
0: Normal
1: Alarm ON
b0
b0