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(d) Upper lower limit deviation alert
When one of the following conditions is satisfied, the system is put in an alert status.
• 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 alert mode, this value becomes "set value (SV) monitor" or "set value (SV) setting". (Page 170,
Section 8.3.11 (2) (a))
(e) Within-range alert
When the following condition is satisfied, the system is put in an alert status.
• -(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 alert mode, this value becomes "set value (SV) monitor" or "set value (SV) setting". (Page 170,
Section 8.3.11 (2) (a))
172
*1
)
Non-alert status
*1
)
Non-alert status
Time
Time
Alert status
Time
Time
Alert status
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