Wiring – Yokogawa FU20/PH20 All-in-One pH/ORP Sensor User Manual
Page 9
IM 12B6J3-02E-E
7
4. WIRING
(pH) A
(Ref.)B
(pH shield) C
(ORP/LE)
D
(Temp)E
(Temp)F
VP-connector
4.1. Cable marking and pin allocation.
FU20 cable
Wire color
WU10-V
cable
Wire color
Signal description
Cable wires
(&EXA terminal)
number
VP connector
Pin
pH
Clear
15
A
Clear
pH-Shield
Brown
16
C
Black
Reference
Black
13
B
Brown
ORP/Liquid earth
Yellow
14
D
Yellow
Temp-1
Red
11
E
Red
Temp-2
Blue
12
F
Blue
4.2. Instrument connection of sensor as function of measurement
Function pH
pH&ORP pH&rH
ORP
pH compen-
Signal descr.
sated ORP
pH
15
15
15
-
13
Shield of pH
16
16
16
-
17
REF
13
13
13
13
-
ORP/Liquid Earth
14
14
14
15
15
TEMP
11
11
11
11
11
TEMP(2)
12
12
12
12
12
Jumper
-
-
-
13-14
14-15
The settings for the pH converters must be set according to the instructions in the
Instruction Manual of the converter. In the following table these settings are summarized.
(pH) Clear A
(Ref.) Brown B
(ORP/LE) Yellow D
(Temp-1) Red
F
(Temp-2) Blue
E
(pH shield) Black C
FU20
WU10
MODEL CODE
Serie nummer
Red (11), Temp-1
ø6.5
Blue (12), Temp-2
Black (13), Reference
Clear (15), pH
Brown (16), pH shield
Yellow (14), ORP/LE
MODEL CODE
Serie nummer
ш6.5