Endress+Hauser Liquisys M CUM253 - Field and Panel-mounted Connections

Liquisys M CUM223/253 Electrical connection
Endress+Hauser 19
Panel-mounted instrument connection
Connect the cables in accordance with the connection diagram.
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Fig. 10: Panel mounted instrument connection sticker
NOTICE
Nonobservance could cause incorrect measurement
‣ Always protect plugs, terminals and cables against humidity.
‣ Terminals marked NC may not be wired.
‣ Unmarked terminals may not be wired.
4.1.2 Measuring cable and sensor connection
The sensor is connected via a screened fixed cable. To extend the measuring cable, use a
junction box and an extension cable:
You can also use the measuring cable CMK.
31 +
32 -
33 +
97
NC
Sensor
NC
NC
NC
B
A
YE
GN
WH
BN
34 -
85 +
86 -
93 + S
94 - 42
81 + 43
82 - 41
TU
Temp.
(opt.)
+15V
10mA
Digital 2
Digital 1
96
88 -
87 +
NC
NC
131083-4C
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
Sensor Sensor cable Extension
Turbidity sensor CUS31/CUS41 Fixed cable VBM junction box + CYK81 cable
Maximum cable length
Turbidity sensor CUS31/CUS41 max. 200 m (656 ft.) with CYK81