Endress+Hauser Liquiline CM444 - Remote Operation via Modbus RS485; Remote Operation via Ethernet;Web Server;Modbus TCP;EtherNet;IP

Electrical connection Liquiline CM442/CM444/CM448
22 Endress+Hauser
1 2
3
4
5
 24 Protective ground or grounding
connection
1 Protective ground of power unit
2 Serrated washer and nut
3 Protective ground / ground cable, provided by customer
(min. 0.75 mm
2
( 18 AWG))
1)
4 Serrated washer and nut
5 Mounting bolts
1) For a fuse with a rating of 10 A. 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!