Filter
Top Products
3
SPECIFICATIONS
3.4 Buffer Memory
3.4.14 Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)
3 - 47
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
SETUP AND
PROCEDURES BEFORE
OPERATION
5
UTILITY PACKAGE (GX
CONFIGURATOR-TI)
6
PROGRAMMING
7
ONLINE MODULE
CHANGE
8
TROUBLESHOOTING
3.4.14 Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)
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
(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 Rate alarm
upper/lower limit values (Un\G134 to Un\G149), the bit of the corresponding
channels turns on (changes to “1”).
Figure 3.31 Storage of Warning output flag (Process alarm/Rate alarm) (Un\G47,Un\G48)
(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).
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Un\G47 (Process alarm)
Un\G48 (Rate alarm)
0: Normal
1: Alarm ON
0: Normal
1: Alarm ON
CH7 upper
limit value
CH8 lower
limit value
CH7 lower
limit value
CH8 upper
limit value
CH6 upper
limit value
CH6 lower
limit value
CH4 upper
limit value
CH5 lower
limit value
CH4 lower
limit value
CH5 upper
limit value
CH3 upper
limit value
CH3 lower
limit value
CH2 upper
limit value
CH2 lower
limit value
CH1 upper
limit value
CH1 lower
limit value
CH7 upper
limit value
CH8 lower
limit value
CH7 lower
limit value
CH8 upper
limit value
CH6 upper
limit value
CH6 lower
limit value
CH4 upper
limit value
CH5 lower
limit value
CH4 lower
limit value
CH5 upper
limit value
CH3 upper
limit value
CH3 lower
limit value
CH2 upper
limit value
CH2 lower
limit value
CH1 upper
limit value
CH1 lower
limit value