55
PIM00504
12.5.2 Explanation of parameters
Setting
Parameters
Function
No. Name
Panel
indication
P03
Pressure switch
indication retention
When the “L63: Pressure switch actuation” warning has
occurred, the “L63” indication displayed on the operation
panel can be retained.
It is also possible to record the “L63: Pressure switch
actuation” warning in the alarm history, although it is not
usually recorded there.
Value
L63 Indication
Retention
Recording in Alarm
History
0
Not retained
No recorded
1 Retained
No
recorded
2 Retained
Recorded
When L63 indication retention is set to “Retain”, the
“L63: Pressure switch actuation” indication is retained
even when the pressure recovers after detection of a
pressure drop.
Pressing the
key clears the indication.
Pressure
drop
detection
P01
Pressure switch
actuation level
Sets the actuation value of the pressure switch. Setting
the value to 0 disables the pressure switch function.
P02
Pressure switch
output delay time
This is the delay time between the pressure dropping
below “P01: Pressure switch actuation level” and the
pressure drop being confirmed.
Pressure
recovery
detection
P38
Pressure switch
output dead zone
setting
Sets the pressure level recognized as recovery from the
pressure drop status as a difference in the positive
direction with respect to “P01: Pressure switch actuation
level”.
Example of pressure switch actuation:
「P01：圧力スイッチ
作動レベル」
圧力
圧力スイッチ 信号
「P38：圧力スイッチ出力
不感帯」
時間
「P02：圧力スイッチ
出力遅延時間」
OFF
ON
ON
停止
起動
0
デジタル入力1
(発停信号)
“P38: Pressure switch
output dead zone”
“P01: Pressure switch
actuation level”
Pressure
“P02: Pressure switch
output delay time”
Pressure switch signal
Digital input 1
(start/stop signal)
Start
Stop
Time
