Mitsubishi Electric R60AD8-G User Manual page 150

Alert output flag (Process alarm lower limit)
The lower limit alarm of the process alarm can be checked for each channel.
b15 b14 b13 b12 b11 b10 b9
CH16 CH15 CH14 CH13 CH12 CH11 CH10 CH9
• 0: Normal, 1: Alarm ON
• b8 to b15 of the R60AD8-G are fixed to 0.
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
Alert output flag (Process alarm lower limit)
■Alert output flag status
• When the value is out of the range specified in the process alarm lower lower limit value, Alarm ON (1) is stored in 'Alert
output flag (Process alarm lower limit)' (Un\G37) corresponding to each channel.
• When an alert is detected in any channel where the A/D conversion and the alert output setting (Process alarm) are
enabled, 'Alert output signal' (X8) also turns on.
■Clearing Alert output flag
• When the digital operation value returns within the setting range, the flag is automatically cleared.
• When 'Operating condition setting request' (Y9) is turned on and off, the flag is cleared.
Alert output flag (Process alarm) [Q compatible mode]
When the Q compatible mode function is used, the upper/lower limit alarm of the process alarm can be checked.
b15 b14 b13 b12 b11 b10 b9
CH8 CH8 CH7 CH7 CH6
0: Normal, 1: Alarm ON
■Buffer memory address
The following shows the buffer memory address of this area.
Only the R60AD8-G can use this area.
Buffer memory name
Alert output flag (Process alarm) (in Q
compatible mode)
■Alert output flag status
• When the value is out of the range specified in the process alarm upper upper limit value or process alarm lower lower limit
value, Alarm ON (1) is stored in 'Alert output flag (Process alarm)' (Un\G50) corresponding to each channel.
• When an alert is detected in any channel where the A/D conversion and the alert output setting (Process alarm) are
enabled, 'Alert output signal' (X8) also turns on.
■Clearing Alert output flag
• When the digital operation value returns within the setting range, the flag is automatically cleared.
• When 'Operating condition setting request' (Y9) is turned on and off, the flag is cleared.
APPX
148
Appendix 3 Buffer Memory Areas
b8 b7 b6 b5 b4
CH8 CH7 CH6 CH5
CH CH
1 2
37
b8 b7 b6 b5 b4
CH6 CH5 CH5 CH4 CH4 CH3 CH3
CH1
50
b3 b2 b1 b0
CH4 CH3 CH2 CH1
CH CH CH CH CH
3 4 5 6 7
b3 b2 b1 b0
CH2 CH2 CH1 CH1
CH2 CH3 CH4
CH CH CH CH CH
8 9 10 11 12
CH5 CH6
CH CH CH CH
13 14 15 16
CH7 CH8