KROHNE ALTOSONIC III EN User Manual
Page 11
Installation and operating instructions
11 ALTOSONIC
III
100-240 V AC supply:
The mains voltage
power supply terminal
has two connections
L
Live power supply
Mains voltage AC supply: 100…240 V AC +10%/-15%,
48 - 63 Hz, 11 W
N
Neutral power supply
PE: Protective ground connection
FE: Functional ground connection
Protective conductor clamp terminal. Conductors up to 4
mm² (11 AWG) need to be connected to this terminal.
24 V AC/DC supply:
The low voltage
AC/DC power supply
terminal has two
connections
L
Live power supply
SELV AC/DC supply:
24 V AC +10%/-15%, 48 - 63 Hz, 8 W of
24 V DC +33%/-25%, 8 W
L
Neutral power supply
FE: Functional ground connection
3.5 Connection of
sensor cables
The sensors of the separate flowmeter must be connected using the factory supplied MR06 cable between the flow sensor
terminal box and the converter housing terminal box. For compact flowmeters these are connected at the factory.
Both the flow sensor terminals and the converter sensor terminals should be connected between the appropriate numbers
indicated on the sensor cable and in the terminal boxes
Cable diameter: 11 mm (0,433 inch), minimum bending radius: 8 x cable diameter.
3.2
3.1
2.2
2.1
1.2 1.1