E-32

Liquid Leakage Sensor Amplifier with Disconnection Detection Function

K7L-AT50D/-AT50D-S

Connections

I Block Diagram for External Connections

Output Circuit

I Connections Example

(Bottom view)

K7L-AT50D

Level input 1

Level input 2

Common

OUT+

BURN OUT+

COM

−

12 to 24 VDC

F03-20 Terminal Block

F03-20T Terminator

Liquid leakage

detection output

Disconnection

detection output

Open collector output

100 mA at 30 VDC

max.

Signal

transmission

Wiring cable

F03-16PE Sensing

Band

8

1

5

6

7

K7L

Load

Load