LR3009
Electronic level sensor
10
Analogue start point [ASP2] defines at which measured value the output signal is 4 mA / 0 V
([OU2] = [I] / [U]) or 20 mA / 10 V ([OU2] = [InEG] / [UnEG]).
Analogue end point [AEP2] defines at which measured value the output signal is 20 mA / 10 V
([OU2] = [I] / [U]) or 4 mA / 0 V ([OU2] = [InEG] / [UnEG]).
Minimum distance between [ASP2] and [AEP2] = 25 % of the active zone.
Curve of the analogue signal (factory setting):
I / U
L
20 mA /10 V
4 mA / 0 V
A
I2
I1
L:
level
A:
active zone
I1:
inactive zone 1
I2:
inactive zone 2*
)
1:
[OU1] = [I] / [U]
2:
[OU2] = [InEG] / [UnEG]
*
)
Ò
Technical data sheet
Curve of the analogue signal (measuring range scaled):
I / U
L
4 mA / 0 V
A
ASP2
AEP2
I1
I2
20 mA /10 V
L:
level
A:
active zone
I1:
inactive zone 1
I2:
inactive zone 2*
)
ASP2:
analogue start point
AEP2:
analogue end point
1:
[OU1] = [I] / [U]
2:
[OU2] = [InEG] / [UnEG]
*
)
Ò
Technical data sheet
Note the tolerances and accuracy limits during the evaluation of the analogue signal.
4.4 Switching function
The device signals via the switching output (OUT1) that a set limit value has been reached or that the
level is below the limit value. For the output the following switching functions can be selected:
•
Hysteresis function / normally open (Fig. Hysteresis function): [OU1] = [Hno].
•
Hysteresis function / normally closed (Fig. Window function): [OU1] = [Hnc].
First the switch point (SP1) is set, then the switch-off point (rP1) with the requested difference.
