Endress+Hauser Liquiline CM44P - Page 28

Electrical connection Liquiline CM44P
28 Endress+Hauser
1 2
3
4
5
 27 Protective ground or grounding
connection
1 Protective ground of power unit
2 Serrated washer and nut
3 Protective ground / ground cable, provided at the
installation location (min. 0.75 mm
2
( 18 AWG))
1)
4 Serrated washer and nut
5 Mounting bolts
1) With a fuse with a 10 A rating. For a fuse with a rating of 16 A, the protective ground / ground cable must have a
cross-sectional area of at least 1.5 mm
2
( 14 AWG).
NOTICE
Protective ground/ground cable with end sleeve or open cable lug
The cable can become loose. Loss of the protective function!
‣
To connect the protective ground or ground cable to the threaded bolt, only use a cable
with a closed cable lug as per DIN 46211, 46225, form A.
‣
Never connect the protective ground or ground cable to the threaded bolt with an end
sleeve or an open cable lug!
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.