Connecting The Sensor - Endress+Hauser Oxymax COS22 Kurzanleitung

Oxymax COS22/22D
9.2

Connecting the sensor

9.2.1 COS22D
The electrical connection of the sensor to the transmitter takes place via special measuring
cable CYK10 or CYK20.
GY GND
YE Com B
GN Com A
–
WH
+
BN
 7 Measuring cable CYK10/CYK20
9.2.2 COS22
The electrical connection of the sensor to the transmitter takes place via the multi-core
COK21 special measuring cable.
Assignment
External shield
Active internal shield
(NTC temp. sensor)
Cathode
Anode
NTC temp. sensor
 8 Measuring cable COK21
The polarization voltage must be set at the transmitter as follows:
Standard measuring range: -650mV
Trace measuring range: -550mV
The voltage is applied between the working electrode (cathode) and the reference electrode
(anode).
E N / Y G
Terminal
GN / YE
S
YE
12
PK
90
BN
91
BU
11
Electrical connection
A0024019
A0005583-EN
25