Pin

Description

Terminal

11, 12 power 24V~

Power supply SELV / PELV AC 24V

V~

System neutral

⏊

21...26

Power

~

System neutral

⏊

Actuator connections

Y1, Y2

31...33

SCOM

+, -

Isolated comm. ground reference

SCOM ADDR

SCOM address (0..9)

Rotary dial
(default 1)

ΔP differential pressure detector

Connected to the higher pressure
(interior diameter 3…8 mm tubing)

+

Connected to the lower pressure
(interior diameter 3…8 mm tubing)

-