59
3rd block parameter
dLY1
dLY2
Delay time 1, 2 (093, 094)
A1Hy
A2Hy
Alarm 1, 2 hysteresis (098, 099)
[Description] –––––––––––––––––––––––––––––––––––––––––––––––––––––––
Parameter
Description
Setting range
dLY1, dLY2
Species the amount of time from the occurrence of the alarm to
the sounding of the alarm
0 to 9999 (sec)
A1Hy, A2Hy
Species alarm detection width and recovery width.
0 to 50%FS
The alarm and hysteresis are related as follows.
PV
ON
OFF
Alarm output
t
Set value
Alarm set
value
Delay time
Hysteresis
Example of an upper limit alarm
Upper limit alarm
OFF
ON
Hysteresis
AH
Input
Lower limit alarm
OFF
ON
Input
Hysteresis
AL
Zone alarm
OFF
ON
OFF
Hysteresis Hysteresis
AL AH
[Setting example]
Setting the Alarm 1 hysteresis to 5°C, delay time to 30 seconds
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Display Operating procedure
1.
Press and hold the key for about ve seconds during the SV/PV display.
appears.
2.
Press the key to display .
3.
Press the key.
The setpoint starts blinking.
4.
Press the or keys to change “ 0 ” to “ 30 .”
5.
Press the key or wait for three seconds to save the change.