Endress+Hauser Liquiline CM442R - Page 21

Liquiline CM442R/CM444R/CM448R Electrical connection
Endress+Hauser 21
5.1.2 Connecting the supply voltage for CM442R
N/- L/+PE
A0039665
 5 Connecting power supply on the BASE2-H
or -L
H Power unit 100 to 230 VAC
L Power unit 24 VAC or 24 VDC
85
85
86
86
SD
Display
Sensor supply
+
+
–
Service
PK
GY
PK
GY
1
2
–
L
N
*
Power
L/+
N/–
PE
+
–
A
B
41
43
42
Alarm
31
31
32
32
0/4 ... 20 mA
+
+
–
–
HART
+
–
A
B
Sensor 2
Ethernet
87
88
97
98
87
88
97
98
BN
WH
GN
YE
BN
WH
GN
YE
Sensor 1
1
2
A0039625
 6 Overall wiring diagram for BASE2-H or -L
NOTICE
Incorrect connection and cable run not separate
Interference on signal or display cable, incorrect measured values or failure of display may
occur!
‣
Do not connect the cable shield of the display cable to PE (terminal strip of device)!
‣
Run the signal/display cable in the control cabinet separately from live (current-carrying)
cables.