User manual

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5.2 Main setting mode
The main setting mode can be selected by pressing the key.
The SV can be increased or decreased by pressing the or key.
The SV is registered by pressing the key, and the unit reverts to the PV/SV
display mode.
Character
(PV display)
Name, Function, Setting range
Default value
(SV display)
SV1 0
• Sets SV1.
• Setting range: SV low limit to SV high limit, or
scaling low limit value to scaling high limit value
SV2 0
• Sets SV2.
• Not available if Serial communication (option) is added.
• Setting range: SV low limit to SV high limit, or
scaling low limit value to scaling high limit value
5.3 Output MV indication
Output MV (manipulated variable) indication
In the PV/SV display mode, if the key is pressed for 3 seconds, the output
MV is indicated on the SV display.
While the output MV is indicated, the 1st decimal point from the right on the SV
display flashes in 0.5 second cycles.
By pressing the key again, the unit reverts to the PV/SV display mode.
5.4 Sub setting mode
The sub setting mode can be selected by pressing the key while holding down
the key.
The set value can be increased or decreased by pressing the or key.
The set value is registered by pressing the key, then the next setting item is
selected.
Character
(PV display)
Name, Function, Setting range
Default value
(SV display)
AT setting/Auto-reset setting Cancel
• Sets AT (auto-tuning) or Auto-reset (offset correction).
Auto-reset can be performed only in PD or P action.
(Auto-reset cannot be performed when the control action is PID, PI
or ON/OFF action)
: Auto-tuning/Auto-reset Cancel
/ : Auto-tuning/Auto-reset Perform
[Auto-tuning]
• If Auto-tuning “Perform” is selected and the key is pressed, the
AT indicator flashes and the unit reverts to the PV/SV display mode.
When Auto-tuning is finished, the AT indicator is turned off and P, I, D,
ARW values are automatically set.
• During auto-tuning, none of the settings can be carried out.
• If Auto-tuning is cancelled during the process, P, I, D, ARW values
return to the previous value.
• If OUT/OFF key is pressed during auto-tuning, control output OFF
function activates, and pressing the OUT/OFF key again cancels the
PID auto-tuning.
• If PID auto-tuning does not finish in 4 hours after starting, PID
auto-tuning is cancelled automatically.