Mitsubishi Electric MELSEC iQ-R Series User Manual page 77

■Upper/lower limit deviation alert
When one of the following conditions is satisfied, the system issues a deviation alert.
• Deviation (E)  Alert set value
• Deviation (E)  -(Alert set value)
Temperature process value (PV)
*1
Set value (SV)
Deviation (E) (= Temperature process value (PV) - set value (SV)
Alert set value
0
- (Alert set value)
Alert status
*1 Depending on the set alert mode, this value becomes the set value or the monitored value. The setting range of the alert set value is 0
to the full scale of the input range. ( Page 73 Setting the set value (SV) and the setting variation rate limiter)
■Within-range alert
When the following condition is satisfied, the system issues an alert.
• -(Alert set value)  Deviation (E)  Alert set value
Temperature process value (PV)
*1
Set value (SV)
Deviation (E) (= Temperature process value (PV) - set value (SV)
Alert set value
0
- (Alert set value)
Alert status
*1 Depending on the set alert mode, this value becomes the set value or the monitored value. The setting range of the alert set value is 0
to the full scale of the input range. ( Page 73 Setting the set value (SV) and the setting variation rate limiter)
*1
)
Non-alert status
*1
)
Non-alert status
Time
Time
Alert status
Time
Time
Alert status
1 FUNCTIONS
75
1.25 Alert Function
1