IFM LR8000 - 14�2 Storage Tank

42
14.2 Storage tank
Level control and min / max monitoring with 4 switching outputs�
Replaces 4 float switches�
Configuration of the switching outputs 1 ��� 4 (bin = OFF)
SP1 Maximum value exceeded → alarm.
OU1 Hysteresis function, normally closed (Hnc)�
SP2 Upper preset value reached → finish refilling.
OU2 Hysteresis function, normally open (Hno)�
SP3 Below lower preset value → start refilling.
OU3 Hysteresis function, normally closed (Hnc)�
SP4 Below min. value → alarm.
OU4 Hysteresis function, normally open (Hno)�
rP1���rP4 Each slightly below SPx to suppress wave movements (factory setting)�
t
L
SP1
SP2
1
0
OUT1
Hnc
1
0
OUT2
Hno
SP3
SP4
1
0
OUT3
Hnc
1
0
OUT4
Hno
OFS
XX.X
XX�X = display value
• If the level is below SP1, the output is switched� If the level is above SP1 or if
there is a wire break, output 1 switches OFF (alarm message "overflow/wire
break")�