Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 - Manual (Page 40)

<2. WIRING AND INSTALLATION>
2-13
IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00
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
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
PH
SC
ISC
DO
SENCOM
2