12
G
PREMASGARD
®
711x
Rev. 2019 - V28
Mounting diagram
PREM
ASGARD
®
711x
3570 Pa
3570 Pa
3570 Pa
(A)
(B)
(C)
TYPES OF MONITORING:
(A) Below-atmospheric pressure:
P1 (
+
) is not connected but open against atmosphere
P2 (
–
) connected to inside of duct
(B) Filter:
P1 (
+
) connected upstream of filter
P2 (
–
) connected downstream of filter
(C) Ventilator:
P1 (
+
) connected downstream of ventilator
P2 (
–
) connected upstream of ventilator
Pressure connections at the pressure switch are marked with
P1 (
+
) for higher pressure and
P2 (
–
) for lower pressure.
3-wire
-
connection
3-wire
-
connection
2-wire
-
connection
-
+
+
-
1 2 3
230V AC
PLC
Working
resistance
24V DC
+UB 24V DC
Output
pr
es
sur
e
Pa
4...20mA
–UB-GND
-
+
+
-
1 2 3
230V AC
24V AC/DC
PLC
PC
+UB 24V A
C/DC
Output pr
es
sur
e P
a 0–10V
–UB-GND
-
+
+
-
1 2 3
230V AC
24V AC/DC
PLC
PC
+UB 2
4V AC/DC
-UB-GND
Output
pr
es
sur
e
Pa
4...20mA
PREMASGARD
®
711x - U
PREMASGARD
®
711x - I
PREMASGARD
®
711x - I
