Electrical connection
Liquisys M CUM223/253
18
Hauser
Field instrument connection
To connect the field instrument proceed as follows:
1. Open the front cover to get access to the terminals.
2. Cut the punching for the Pg gland out of the housing. Mount a Pg gland and guide the
measuring cable through the Pg gland into the housing.
3. Connect the measuring cable in accordance with the connection diagram.
4. Fix the Pg gland.
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.
a0003128
Fig. 9:
Field instrument connection compartment sticker
Please label the sensor terminal block with the sticker provided.
42
+
+
+
+
+
-
-
-
-
-
43
41
54 55 56
NC
96
88
87
31
NC
97 NC
32
NC
34
33
S
B
NC
93
86
85
94 81 82
NC
51 52 53 57 58 59 47 48 49
TU
T
emp.
(opt.)
+15V
10mA
GN
BN
YE
WH
A
REL 4
SENSOR
REL 3
REL 2
REL 1
131096-4F
Digit
al
2
Digit
al
1
87, 88
12 VDC
96, 97
NC
Mains
Hilfsenergie
L1
+
N
-
(AC)
(DC)
Contacts:
max. 2A
AC: 250V/500VA
DC: 30V/60W
+
-
23 24
4..20mA