Cutting the signal cable, Extending the signal cable, Mounting – Xylem PHIX COMPACT pH and Redox Transmitter User Manual
Page 14

14
Mounting
GB pHix Compact Manual 100318
Extending the signal cable
There are no specific demands to the cable
that may be used for extending the existing
cable, except that it should be shielded and
that the voltage drop should not be too big.
pHix Compact
®
is a passive transmittter.
Considerations should be taken regar-
ding the voltage drop over
the signal cable.
The supply voltage on the site must not
drop below 12 V DC at maximum current
(20 mA.)
In order not to compromise operational re-
liability, the cables should be interconnected
by means of a watertight connection box
(item no. 200590).
MJK connection box (item no. 200590).
Cutting the signal cable
The cable comes with stripped wire ends
ready for mounting.
Shield
1 Black
2 Black
Shield
1 Black
2 Black Grey Brown
Uncutted cable end for pHix
®
Compact
with 1 respectively 2 signal outputs.
Besides the signal wires, the cable also con-
tains wires solely used for service purposes
and software upgrades.
These cables are exposed when the cable
is cut.
The cable for a pHix
®
Compact
with dual outputs is cut and the service wires are
exposed.
1 Black
2 Black
Shield
Brown
Grey
Yellow
Green
White
Service
wires:
The service wires must not be used !
Only the signal wires (1 black + 2 black /
grey + brown) and shield may be used!