TOHO ELECTRONICS TTM-339 User Manual

Page 17

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4.20 Electric Power Outage Function

Upon recovery of the electric power after its outage during a run, the status at the time of the outage is restored

under the following conditions. Note that, if the PV at restoration is out of the range of [PV

electric power

outage restoration temperature width], the restoration is made as a stop.

Alarm statuses of the event function are also restored.

1)

If the step 1 is in the status of a timer run (SV=SLL):

Restored at the location at the time of the outage.

2)

In the case of in-a-ramp of SV increase or in-a-soak:

Restored with the PV start.

Restored with the run end “END” if no SV present.

3)

In the case of in-a-ramp of a SV decrease or in-a-soak after the decrease:

Restored with the PV start at the step of the decrease if PV

decrease point.

Restored with the run end “END” if PV

decrease point.

4)

In the case of in-“END”:

Restored to “END.”

5)

Restored with a temporary stop for the items 1 through 3 if a power outage occurs during a temporary stop.

6)

In the case of in-a-manual-run:

Restored with a stop status.


1)

2)

3)

During

END

4)

During a

timer run

PV

Time



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