S+S REGELTECHNIK HYGRASREG LS Bedienungs- Und Montageanleitung Seite 7

G
Mounting and Installation
Applying AC supply voltage at devices
with bridge rectifier circuit :
A bridge rectifier circuit is used for rectifying AC supply voltage.
Applying DC supply voltage at devices
with bridge rectifier circuit :
This device variant can be supplied with 15 ... 36 V DC.
Because of using bridge rectifying, polarity of supply voltage
is not relevant.
Connecting scheme
1
2
Field device with bridge rectifying
Switching
9
8
7