Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 296

Alarm output upper limit flag
The upper limit alarm can be checked for each channel.
b15 b14 b13 b12 b11 b10 b9
0 0 0 0 0
(1) 0: Normal, 1: Alarm ON
(2) b4 to b15 are fixed to 0.
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
Alarm output upper limit flag
■Alarm output upper limit flag status
• When the value is out of the range specified in the alert output upper limit value, Alert alarm ON (1) is stored in 'Alarm
output upper limit flag' (Un\G36) corresponding to each channel.
• When an alert is detected in any channel where the D/A conversion and the alert output setting are enabled, 'Alarm output
signal' (Un\G69, b14) also turns on.
■Clearing Alarm output upper limit flag
Turn on and off 'Operating condition setting request' (Un\G70, b9) or 'Alarm output clear request' (Un\G70, b14).
Alarm output lower limit flag
The lower limit alarm can be checked for each channel.
b15 b14 b13 b12 b11 b10 b9
0 0 0 0 0
(1) 0: Normal, 1: Alarm ON
(2) b4 to b15 are fixed to 0.
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
Alarm output lower limit flag
■Alarm output lower limit flag status
• When the value is out of the range specified in the alert output lower limit value, Alert alarm ON (1) is stored in 'Alarm
output lower limit flag' (Un\G37) corresponding to each channel.
• When an alert is detected in any channel where the D/A conversion and the alert output setting are enabled, 'Alarm output
signal' (Un\G69, b14) also turns on.
■Clearing Alarm output lower limit flag
Turn on and off 'Operating condition setting request' (Un\G70, b9) or 'Alarm output clear request' (Un\G70, b14).
APPX
294
Appendix 8 Buffer Memory Areas
b8 b7 b6 b5 b4
0 0 0 0 0 0 0
(2)
CH1
36
b8 b7 b6 b5 b4
0 0 0 0 0 0 0
(2)
CH1
37
b3 b2 b1 b0
CH4 CH3 CH2 CH1
(1)
CH2
b3 b2 b1 b0
CH4 CH3 CH2 CH1
(1)
CH2
CH3 CH4
CH3 CH4