Endress+Hauser Liquisys M CCM223 - Electrical Connection, Version 2

Electrical connection Liquisys M CCM223/253
22 Endress+Hauser
G Proximity switch INS O Current input 4 to 20 mA
H Binary input 2 P Power connection
The device is approved for protection class II and is generally operated without a
protective ground connection. Circuits "E" and "C" are not galvanically isolated from
each other.
5.4 Device connection
Field device connection
Proceed as follows to connect the field device:
1. Open the housing cover to access the terminal block in the connection compartment.
2. Break through the perforation for a cable gland, mount a Pg gland and guide the
cable through this Pg gland.
3. Connect the cable in accordance with the terminal assignment.
4. Tighten the Pg gland again.
NOTICE
Non-observance could cause incorrect measurement.
‣
Make absolutely sure to protect the cable ends and terminals from moisture.
‣
Terminals marked NC may not be connected.
‣
Unmarked terminals may not be connected.
pH / Redox 42
+
+
++++ -
-
----
434154 55 56
NC
91
90
31
11
12
32
92
PA/PM
3433
S
REF
NC 938685 94 81
23
82
24
NC
51 52 53 57 58 59 47 48 49
Cl
ClO
2
(963:92/K)
2
Temp.
pH/Redox
(opt.)
+15V
10mA
BN
(RD)GN(BU)
BN
REL 4SENSOR REL 3 REL 2 REL 1
131194-4D
CCM 253
Digital 2
(INS)
Digital 1
4..20mA
1191/A
1290/K
NC
Mains
Hilfsenergie
L1
+
N
-
(AC)
(DC)
Contacts:
max. 2A
AC: 250V/500VA
DC: 30V/60W
A0002276
 12 Field device connection compartment sticker
Please label the sensor terminal block with the sticker provided.
Panel-mounted device connection
To connect the panel-mounted device, connect the cables in accordance with the terminal
assignment to the terminals on the rear of the device.