Connections of field instrument
For connection, the measuring cables are introduced through the cable glands on the field
instrument and connected according to the diagrams infigures 3.10 and 3.11.
Note:
Please label the sensor terminal
block with the enclosed sticker.
Caution!
•
Terminal designated as NC
may not be switched.
•
Undesignated terminals
may not be switched.
Connections of panel-mounted instrument
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 NC NC
51 52 53 57 58 59 47 48 49
TU
Te
m
p
.
(opt.)
+15V
10mA
GN
BN
YE
WH
A
REL 4
SENSOR
REL 3
REL 2
REL 1
131096-4E
CUM 253
D
ig
ita
l 2
D
ig
ita
l 1
87, 88
NC
Mains
Hilfsenergie
L1
+
N
-
(AC)
(DC)
Contacts:
max. 2A
AC: 250V/500VA
DC: 30V/60W
131096E.CDR
Fig. 3.11
Connection compartment
sticker for field
instruments CUM 253;
Instrument status:
de-energised
REL1
REL2
REL3
REL4
NC
NC
49
COM
COM
COM
COM
59
54
55
56
52
51
53
58
57
48
47
131084-4B
31 +
32 -
33 +
97
NC
Sensor
NC
NC
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 +
131083-4C
Ma
in
s
Co
n
tact
s:
m
ax.
2A
,A
C
:250V/500V
A
,
DC:
30V/60W
L1 +
AC DC
N -
131083C.CDR
Fig. 3.12
Connection compartment
sticker for panel-mounted
instruments CUM 223
UM253E03.CHP
Liquisys M CUM 223 / 253
Installation
Hauser
13
