JUMO 902940 DELOS T Electronic Temperature Switch with Display and Analog Output Operating Manual - Manual (Page 23)

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3 Electrical connection
3.4 Connection assignment for order code 471
The connection is located on the device rear!
2× PNP switching output
Voltage supply
1 L+ DC 14 to 30 V
3 L- GND
Output
4 K1 Highside open collector
max. 0.25 A
2 K2
5 Interface
1
2
3
4
5
L-
K1 K2
L+