27
Hysteresis range for ON/OFF control (Setting range: 0 to 50%FS)
[Description]
•To select the ON/OFF control (two-position control), set
to 0.0. It is not necessary to set and
.
• When the hysteresis range (Range of ON/OFF control) is
too small, the output may switch the ON/OFF frequently.
(This may affect the life of the device to be controlled,
especially when contact output is selected.)
•The unit of the set value of this parameter is °C or °F
(engineering unit). The setting range varies according to
the measured range of input.
[Setting example] Changing the hysteresis range from 1˚C to 35˚C
Press and hold the
SEL
key for three seconds.
will be displayed on the PV display.
Press the key to display .
Press the
SEL
key once.
The current setting (
) flashes on the SV display.
Press the
or
keys to display
.
Press the
SEL
key once.
will stop flashing and will be registered for
. After that, the
controller will operate with the hysteresis range being 35˚C.
If you want to display the operation status, press and hold the
SEL
key for two seconds.
Operating procedureDisplay
1.
2.
3.
4.
5.
6.
[Ex] Input Thermocouple K :At measured range of 0
to 400 °C, the setting
range is 0 to 200 °C.
Resistance bulb :At measured range of 0
to 150 °C, the setting
range is 0 to 75 °C.
Related parameters:
(page 24)
(page 36)
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