Mitsubishi Electric MELSEC iQ-R Series User Manual page 287

CH1 Number of alert delay
Set the number of times to execute sampling to judge an alert.
By setting the number of times to execute sampling, when the temperature process value (PV) stays within the alert range
after the temperature process value (PV) has entered the alert range until the number of times to execute sampling exceeds
the number of alert delay, an alert occurs. For details on the alert function, refer to the following:
Page 72 Alert Function
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory area name
CH Number of alert delay
Number of alert delay (in the Q compatible mode)
■Setting range
• In the R mode
The setting range is 0 to 30000 (times).
• In the Q compatible mode
The setting range is 0 to 255 (times).
When 0 (times) has been set, an alert occurs as soon as the temperature process value (PV) goes within the
alert range.
■Default value
The default value is 0 (times).
CH1 Alert 1 mode setting
Set the alert mode of Alert 1. For details on the alert function, refer to the following:
Page 72 Alert Function
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory area name
CH Alert 1 mode setting
CH Alert 1 mode setting (in the Q compatible mode)
This area is disabled for the following modes and channels:
• Heating-cooling control (normal mode), position-proportional control (normal mode): CH3, CH4
• Mix control (normal mode): CH2
■Alert mode and alert set value
Set an alert set value for the alert mode of Alert 1 selected in this setting. Set a value in 'CH1 Alert set value 1' (Un\G434).
'CH1 Alert set value 1' (Un\G434) corresponds to the alert mode of Alert 1.
CH1 CH2
532 732
165
CH1 CH2
533 733
192 208
Appendix 3 Buffer Memory Areas
CH3 CH4
932 1132
CH3 CH4
933 1133
224 240
APPX
285
A