Liquisys M CPM223/253 Electrical connection
Endress+Hauser 19
Panel-mounted instrument connection
C07-CPM223xx-04-06-00-xx-003.eps
Fig. 11: Panel-mounted instrument connection sticker
1 Ground terminal for IS device version
Nonobservance could cause incorrect measurement
‣ Make sure to protect the connectors, cable ends and terminals against moisture.
‣ Terminals marked NC may not be wired.
‣ Unmarked terminals may not be wired.
Please label the sensor terminal block with the sticker provided.
BNC: pH/Redox + REF
31 +
Sensor
32 -
33 +
34 -
85 +
86 -
93 +
94 - 42
81 + 43
82 - 41
pH
Redox
Temp.
(opt.)
+15V
10mA
Digital 2
Digital 1
NC
NC
NC
131081-4E
S
REF
PA/PM
12
13
11
YE
WH
GN
RD
BN
SRC (IsFET)
(Glass)
IsFET
Glass
()
DRN
Mains
Contacts: max. 2A, AC:250V/500VA, DC:30V/60W
L1 +
AC DC
N-
REL1
REL2
REL3
REL4
4..20mA
24
23
49
COM
COM
COM
COM
-
+
59
54
55
56
52
51
53
58
57
48
47
131084-4C
BNC: pH/Redox + REF
31 +
Sensor
32 -
33 +
34 -
85 +
86 -
93 +
94 - 42
81 + 43
82 - 41
pH
Redox
Temp.
(opt.)
+15V
10mA
Digital 2
Digital 1
NC
NC
NC
131081-4E
S
REF
PA/PM
12
13
11
YE
WH
GN
RD
BN
SRC (IsFET)
(Glass)
IsFET
Glass
()
DRN
Mains
Contacts: max. 2A, AC:250V/500VA, DC:30V/60W
L1 +
AC DC
N-
REL1
REL2
REL3
REL4
4..20mA
24
23
49
COM
COM
COM
COM
-
+
59
54
55
56
52
51
53
58
57
48
47
131084-4C
1