6-19
Chapter 6. SETTINGS DURING OPERATION
6 - 5 Other Parameter Setup
In “Simple configuration”, the ON/OFF control differential, PV filter, PV bias, time proportional cycle time 1/2, MV
low limit and high limit at AT (auto tuning), key lock, password display, and password 1A to 2B can be set.
ON/OFF control differential setup
(1) In the operation display mode, keep the [para] key
pressed for 2 s or longer.
>>
The unit then enters the parameter setting mode.
rdy
man
ev1 ev2 ev3 ot1 ot2
para
mode
pv
sp
(2) Press the [para] key several times.
>>
Display the parameter setting [dIFF: ON/OFF
control differential].
rdy
man
ev1 ev2 ev3 ot1 ot2
para
mode
pv
sp
(3) Press the [
], or [
] key to change the set value in
[dIFF].
Setting range: 0 to 9999U
The decimal point is changed corresponding to the PV range.
>>
When no keys are pressed for 2 s or longer, the flashing of the numeric
value is stopped to set the currently displayed value.
(4) Press the [mode] key.
>>
The display is returned to the operation display.
ON
dIFF
SP
PV
dIFF
ON
SP
PV
Heat control (Reverse action) Cool control (Direct action)
z
shows that the ON/OFF is changed at this value.
shows that the ON/OFF is changed at a point that “1U” is added to this
value.
Handling Precautions
When [CtrL: Control method] is set at a value other than “0” (ON/OFF
control), [dIFF] is not displayed.
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