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(8) Setting the number of alert delay
Set the number of sampling to judge alert occurrence. The system is set in the alert status when the temperature
process value (PV) that has reached the alert set value remains in the alert range until the number of sampling
becomes equal to or greater than the preset number of alert delays.
(a) Setting method
1.
Set "Method selection" to "Param write" of the control mode to be used.
"CC IE Field Configuration" windowSelect the temperature control module from "List of
stations"[CC IE Field Configuration][Online][Parameter Processing of Slave Station]
2.
Set "Warning delay count".
When the alert mode is set to "1: Upper limit input alert" (Page 169, Section 8.3.11 (1))
Ex.
When 5 is set as the number of alert delay, the system is not put in the alert status if the number of
sampling is 4 or less.
Temperature process value (PV)
Alert set value
Set value (SV)
Number of sampling
Alert status
178
3 times
5 times
Non-alert status
Time
Alert status
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Troubleshooting
