Omron E5AZ, User Manual

Page: 65 / 208

42
Using ON/OFF Control
Section 3-7
Setting the SP
Operating Procedure In this example, the set point is set to 200. The set value (i.e., the SP) is
shown at the bottom of the display.
Setting the Hysteresis
Operating Procedure Set the hysteresis to 2.0
°
C.
Initial Setting Level 2. The “input type” parameter is displayed in the initial setting level.
3. Select the “PID ON/OFF” parameter by pressing the
M
key.
4. Check that the set value is
onof
(i.e., the default).
5. To return to the operation level, press the
O
key for at least one second.
Next, set the set point value.
in-t
5
Input type
cntl
onof
PID ON/OFF
Operation Level 1. Select the “process value/set point” parameter in the operation level.
2. Use the
U
and
D
keys to set the SP. (In this example, it is set to 200.)
The new set value can be fixed by pressing the
M
key, or it will go into
effect after two seconds have elapsed.
Next, set the hysteresis.
C
25
100
PV/SP
C
25
200
Operation Level 1. Press the
O
key to move from the operation level to the adjustment level.
2. The “AT execute/cancel” parameter will be displayed in the adjustment
level.
3. Select the “Hysteresis (heating)” parameter by pressing the
M
key.
4. Press the
U
and
D
keys to set the hysteresis (2.0 in this example). Ei-
ther press the
M
key or wait for at least two seconds after setting the hys-
teresis value to confirm the setting.
5. To return to the operation level, press the
O
key for at least one second.
C
25
200
PV
at
off
AT execute/
cancel
hys
1.0
Hysteresis
(heating) C
hys
2.0
C