IM 12D07J01-10E-E
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2.4. Wiring SC4A sensors
The SC4A sensors are provided with a fixed sensor cable or Variopin connector to fit the WU10/WE10
cable up to 20 meters. When a longer cable run is necessary (maximum cable run is 60 meters), this
can be done by using the WF10 extension cable in combination with the BA10 connection box. The
connection of the integral cable and WF10 cable to the Yokogawa Contact Conductivity analyser are
given in table 3.
Table 3. Definition fixed sensor cable, WF10 cable and analyser
Cable wire color Cable wire color WF10 SC terminal # Signal description
White Red 11 Temperature
Brown Blue 12 Temperature
Green Clear (Core of Brown coax) 13 Inner electrode
Yellow Yellow 14 Outer electrode
Black Clear (Core of White coax) 15 Inner electrode
Pink White (Shield of White coax) 16 Outer electrode
Table 4. Definition VP sensor cable, WU10/WE10 cable and analyser
WU10/WE10 Color SC
A Core brown Ui
B Shield brown Ii
C Core white Uo
D Shield white Io
E Red T1
F Blue T2
G Yellow VCC ID chip
H Green Data ID chip
Drain wire Black Shield
Note: Sensors with Variopin contain an embedded ID chip which is recognized to work with
SA11 Smart Adapter model SA11-C1
Note: WU10-V-D type
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