15
The connection of the LF pulse transmitter unit is different depending on
whether the meter head is made of composite or aluminum.
Index head out of composite:
The LF-pulser unit comes standard with three meter cable.
The cable configuration is as follows:
•
1 LF-pulser for flow measurement
o
Black (-)
o
Red (+)
o
Blue (+)
•
2 LF-pulser for flow measurement (option)
o
Black (-)
o
Red (+)
o
Blue (+)
•
1 LF-pulser as anti tampering contact
o
Yellow (-)
o
White (+)
Index head out of aluminium:
The connection of the LF-pulser unit is designed via a plug connection:
•
1 LF-pulser for flow measurement
o
Pin 5 – Blue (+)
o
Pin 6 – Grey (-)
o
Pin 7 – Pink (+)
•
2 LF-pulser for flow measurement (option)
o
Pin 5 – Blue (+)
o
Pin 6 – Yellow (-)
o
Pin 7 – Pink (+)
•
1 LF-pulser as anti tampering contact
o
Pin 1 – Yellow (-)
o
Pin 2 – White (+)
The connection of the HF-pulser (option)
is designed via a plug connection:
o
Pin 4 – Red (+)
o
Pin 3 – Black (-)
Warning!
All pulse generators are intrinsically safe. If the meter is installed in hazardous area
it should be connected to external devices like electronic volume correctors (EVC´s)
only via intrinsically safe circuits.
5
7
6
4
8
3
1
2
1
2
3
5
4