Weidmuller TWI-2 - Signal isolator in 2-wire design, 2-channel - Handbuch (Seite 10)

10
•Installation
Caution: In order to meet product safety requirements, these units must
only be installed, by qualified staff, in accordance with the information
given in this manual, using the mounting clips and terminal blocks
supplied, and all relevant national electrical wiring and safety rules
must be followed.
location
Locate the instrument in an area that is free from dust, moisture and
corrosive gases.
Modelnumbers
You should check your requirements against the model number before
installation. You should also check the label on top of the case for any
updated or customised connection details.
Connections
For effective protection from electromagnetic noise, all signal cables
must be shielded, or located on conductive trays or in conduits.
Strip wires to 7 mm from the ends. Use a suitable ferrule for
multistranded wires (do not solder). Use 1-8 AWG twisted pair Cu
Wire rated for temperatures above 70 °C only, tighten to 4.5 lb-In.
powerSupply
The TWI- requires a 1-45 V drop across its outputs to operate
correctly. Using a power supply that provides this voltage drop will
comply with the instrument’s UL/CSA listing.