LI213x
Binary level sensor for overflow prevention / leakage detection according to WHG
14
7.2 Operating status and switching status indication
2
3
1
Fig. 2: Top view and LEDs
1: 2:
LED1 (yellow) and LED2 (yellow) = switching status OUT-OP
3:
LED3 (green) = operating status
*
)
On delivery, the two yellow LEDs (LED1 and LED2) indicate the switching status of output OUT-OP.
This behaviour can be configured via IO-Link:
Parameter setting via IO-Link (
7.3 Unlock device
u
Actuate teach button for at least 10 s.
w
The green LED3 flashes with approx.1 Hz during the 10 s. Expiration of the 10 s is acknowledged
with double-flashing (approx. 2 Hz).
u
Release the teach button (remove metal object).
w
The green LED is lit permanently. The device is now unlocked.
After 120 s of inactivity, the device locks itself again automatically.
u
Initiate operations within this period.
The green LED flashes by way of signalling if you try to initiate operation while the device is
locked. The device remains locked if the teach button is released before 10 s have expired.
7.4 Empty adjustment
7.4.1 Application as overflow prevention or maximum monitoring
The device must be adjusted after installation in the empty tank (empty adjustment). The tank can be
considered to be “empty” when the medium to be detected is min. 20 mm away from the active zone.
If the installation situation or the medium is changed, it is mandatory to carry out the empty adjustment
again.
If the device detects a medium after adjustment, its switching status changes.
u
Empty the tank until the medium is at least 20 mm below the end
of the probe.
u
Unlock device
