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Setting Areas Section 5-8
5-8 Setting Areas
E5ZN Temperature Controllers can be set to either setting area 0 or setting
area 1.
Control operation is executed in setting area 0. In this state, you can perform
operations that are permitted only during control or those that cause no prob-
lems even if control is in progress. These operations include reading PVs,
writing SPs, and change RUN/STOP status.
Setting area 0, however, prohibits operations affect control, including writing
data at the initial setting level. (Reading setting data is always allowed.)
In setting area 1, control operation is stopped. In this state, you can perform
operations that are not allowed in setting area 0. These operations include
writing data at the initial setting level.
At power-ON, the Temperature Controller is set in setting area 0. To move to
setting area 1, use the “move-to-setting area 1” command. To return to setting
area 0, turn the power OFF and ON again, or use the “software reset” com-
mand.
Power ON
Software reset command
Setting area 0 Setting area 1
“Move-to-setting area
1” command
Control in progress Control stopped.
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