53
,
Hysteresis of alarm 1 and 2 (Setting range: 0 to 50% FS) (Option)
[Description]
• The alarm is detected in the two-position operation (ON/
OFF). The hysteresis means the difference between the
input at ON and the input at OFF. For example, the hys-
teresis of 5°C means that the range between ON and OFF
is 5°C.
• Setting the decimal place with allows decimal point
to be placed automatically.
Input
AH
ON
OFF
Input
AL
ON
OFF
5˚C
5˚C
AL
ON
OFF
AH
OFF
5˚C
5˚C
• Upper limit alarm
• Lower limit alarm
• Range alarm
AL1
A1hy
• ALM1
• ALM2
AL2
A2hy
[Setting example] Changing the hysteresis of alarm 2 from 1°C to 3°C
• Hysteresis can be set for each alarm.
Press the key once. will be displayed and 3˚C will be registered for . After
that, the controller will operate with the hysteresis of alarm 2 being 3˚C.
Press and hold the key for five seconds.
will be displayed.
Press the or keys to flicker and to display .
(Repeat the procedure from 3 to 5 to check the set value.)
Press the key once.
The current setting ( ) will be displayed.
Press the key to display .
SEL
SEL
SEL
1.
4.
If you want to display the operation status, press and hold the key for two seconds.
The SV will be displayed on the display area.
If unoperated state continues, the PV will be displayed.
6.
2.
3.
SEL
5.
Display Operating procedure
PV indication
PV indication
SV indication