SPRIANO® TECHNOLOGIES - www.spriano.it – spriano@terranova-instruments.com
a TERRANOVA® Srl brand - www.terranova-instruments.com - VAT IT07848810151
Factory & Sales: Via Gramsci 1 – 26827 Terranova dei Passerini (LO) – Italy
Head Office: Via Rosso Medardo 16 – 20159 Milano – Italy Ph: +39 0377 919119 – Fax: +39 0377 855720
It is possible to purchase the Hart Server as an additional product; this is a software including all
the interrogation, configuration and diagnostics functions required by the Hart® specifications.
Figure 11: 4÷20 mA + Hart® modem connection
Figure 12: only Hart® multidrop connection
INFORMATION!
At maximum 15 transmitters could be connected in parallel on the same line.
Attention: when more transmitters are connected on the same line the current
standing on the resistor (250-ohm) is equal to
4mA x N of connected instruments.
This could cause a high electric potential. Be sure power supply is sufficient.
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