Liquisys M CLM223/253 Electrical connection
Endress+Hauser 17
4.1.2 Connection diagram
The wiring diagram depicted in å 9 shows the connections of an instrument equipped
with all the options. Connecting the sensors and the various measuring cables is explained
in more detail in the "Measuring cables and sensor connection" section.
a0008920
Fig. 9: Electrical connection of the transmitter
A
B
C
D
E
F
G
H
Sensor (conductive)
Sensor (inductive)
Temperature sensor
Signal output 1 conductivity
Signal output 2 variable
Binary input 1 (Hold)
Binary input 2 (Chemoclean)
Aux. voltage output
I
J
K
L
M
N
O
Alarm (current-free contact position)
Relay 1 (current-free contact position)
Relay 2 (current-free contact position)
Relay 3 (current-free contact position)
Relay 4 (current-free contact position)
Current input 4 to 20 mA
Power supply