E5EX–H
E5EX–H
11
*Current
transformer
Output
controller
Heater load
Input
sensor
*This wiring must be passed through the hole of the special current
transformer. The current transformer can be connected to the sen-
sor in any polarity
200VAC
alarm
Sensor abnormality
Heater burnout
Temperature
Controller
Connected
to T
emperature Controller
*Wire through the hole on the Current
Transformer.
The Current T
ransformer and
the Temperature Controller can be con-
nected with wires without polarity.
Connected to heater.
Connected to Temper-
ature Controller.
2. ON/OFF Control
When
pin 1 on the operating mode selector (SW201) is set
to the ON
position, the temperature setting range limit values, hysteresis,
heater current, and heater burnout alarm value can be set or
changed.
Any of these parameters can be selected by pressing dis
-
play
key the required number of times as follows.
Upper-limit value of tem
-
perature setting range
Lower-limit value of temper
-
ature setting range
Hysteresis
Press a.
Press a.
Press a.
Press a.
Press a.
5l-l
5l-h
hys
ct
hb
Heater current
Heater burnout alarm
Of the above parameters, only the hysteresis, which is described
below, differs from the parameters for PID control. Refer to 1. PID
Control
for details on other parameters.
Hysteresis:
hys
The
hysteresis value for the ON/OFF control action can be
set in a
range
from 0.0
°
to 999.9
°C/°
F while
hy5
is displayed on the PV dis
-
play. Use the up or down key to do this. The factory setting is
0.8°C/°F.
Reverse operation
(heating control)
Normal operation
(Cooling control)
SP
Hysteresis
Low temperature High temperature
Hysteresis
SPLow temperature High temperature
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