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Zumtobel NBOX Montageanleitung Seite 73

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  • DEUTSCH, seite 1
Connecting the central phase monitor
nBox, Installation instructions 1.0 | 02.2021 | en
Note
i
The terminal block is located in the nBox above the
nBox MBC module, with the contacts for signal inputs
S1 to S4 (no. 1). The central phase monitor is
connected to terminals S1+ and S1-.
1. Remove the terminating resistor between terminals S1+ and
S1- and keep it in a safe place.
2. Guide the cable through the membrane gland with strain relief.
Note
i
It is a good idea to strip the cables before inserting
them (approx. 1 cm under the cable gland).
The exposed cores should be a little longer than
needed in order to reach the terminals, and then only
shortened to the actual length needed once they have
been inserted.
3. Connect the conductor to terminals S1+ and S1-.
For more information see Section
blocks
45
4. Reinstall the terminating resistor in series at the farthest end of
the current loop, so that a short circuit on the line will be reliably
detected.
Mounting and installation
Overview of terminal
24

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