Astar HT-3300 Specifiche Pagina 65

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Reference Manual
00809-0100-4811, Rev DA
Section 3: Installation
January 2015
Installation
Connecting the transmitter
The Rosemount 3300 Series is a two-wire loop powered transmitter accepting power supplies
ranging from 11 Vdc to 42 Vdc. It uses 4-20 mA power superimposed with a HART signal.
To connect the transmitter:
1. Make sure the power supply is disconnected.
2. Remove the cover on the transmitter housing terminal side (see label).
3. Pull the cable through the cable gland/conduit.
4. Connect wires according to Figure 3-19 on page 56 for non-intrinsically safe output and
according to Figure 3-20 on page 57 for Intrinsically safe output. Make sure the
transmitter housing is grounded (see “Grounding” on page 52).
5. Replace the cover, tighten the cable gland, and connect the power supply.
Cable entry
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