Connection diagram COM 223 / 253 in WX or WS version
The connection diagram in Fig. 3.11 shows
the connections when using an oxygen
sensor of type COS 3, COS 3 S, COS 3HD,
COS 31 or COS 71.
47
48
49
57
58
59
L+
L-
L
N
∼ =
41
42
43
15 V
85
86
10-50 V
81
93
82
94
10-50 V
mA
31
32
mA
33
34
51
52
53
54
55
56
18
96
97
19
S
O
2
O
2
GN
PK
BU
8,5 V DC
88
0
87
+
0
-
8,5 V DC
WH
BR
GY
YE
1
2
5
4
3
7
6
GN
PK
BU
WH
BR
GY
YE
ϑ
RS 485
analog ***
digital ***
Oxygen sensor
Alarm
(contact
position
current-free)
Relay 1
(contact
position
current-free)
Relay 2
(contact
position
current-free)
Relay 3
(contact
position
current-free)
Relay 4
(contact
position
current-free)
Mains
ANO201-2.CDR
Auxiliary voltage
output
Digital
Input 2
(Chemoclean)
Digital
Input 1
(Hold)
Signal output 2
temperature
Signal output 1
oxygen
Fig. 3.11
Electrical connection of
Liquisys M COM 223 /
253 in WX or WS
version with full wiring
** Auxiliary voltage supply
terminal 85/86 usable
*** analogue: with COS 3, 3-S, 3HD
digital: with COS 31, 71
Box VS with extension
with COM 253-WX/-WS plug connection f. O2 Sensor
for COM 223-WX/-WS the sensor cable plug must
be removed or box VS used
OM253D03.CHP
Liquisys M COM 223 / 253
Installation
Hauser
13
