Endress+Hauser Liquiline CM442R - Connecting Additional Inputs, Outputs or

Electrical connection Liquiline CM442R/CM444R/CM448R
30 Endress+Hauser
6.4 Connecting additional inputs, outputs or relays
WARNING
!
Module not covered
No shock protection. Danger of electric shock!
‣ If you are modifying or extending your hardware, always fill the slots from left to right. Do
not leave any gaps.
‣ If not all the slots are occupied, always insert one or more dummy modules into the slot to
the right of the last module until all the positions are filled ( å 1, item 3). This ensures
the unit is shock-protected.
‣ Always ensure shock protection is guaranteed particularly in the case of relay modules (2R,
4R, AOR).
The terminal strip ( å 23) is used to connect cable shields. Any shields that are
additionally needed must be connected to PE centrally in the cabinet via terminal blocks
provided by the customer.
a0016197
Fig. 26: Sensors with and without additional supply voltage
at sensor module 2DS