<2. WIRING AND INSTALLATION>
2-19
IM 12A01A02-01E 8th Edition : Oct. 01, 2015-00
2.5.4 Wiring the dissolved oxygen (DO) sensor
The input module for DO measurement is suitable for different types of DO sensors:
i. Galvanic sensors like model DO30G
ii. Polarographic sensors like HAMILTON’S Oxyferm and Oxygold
The connection is as follows:
11
TC +
TC -
+ anode galvanic
- cathode galvanic
+ anode polarographic
shield
- cathode polarographic
12
16
13
18
14
17
15
FLXA202/FLXA21
The DO30G sensor comes with integral cable and the wires are labeled with the corresponding
terminal numbers.
2.5.5 Wiring the SENCOM pH/ORP sensor
FU20F sensors are connected to the module as follows:
Shield 82
Input
M9 Connector
4
1
2
5
6
Data+ 83
Data- 84
Supply Gnd 86
Supply 87
Connect the WU11 SENCOM cable terminal to the SENCOM module.
Since the WU11 cable is thin, attach the included grommet in place of the cable gland standard
packing before wiring.
Remove the standard packing.
Detector
Grommet
Figure 2.14
PH
SC
ISC
DO
SENCOM
2
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