Emerson 3051S Dokumentacja Strona 37

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27
Reference Manual
00809-0100-4001, Rev JA
Section 2: Installation
November 2012
Installation
Figure 2-20. 1-5 Vdc low power wiring with transient protection
Figure 2-21. Wiring pair and ground
Note
The transient protection terminal block does not provide transient protection unless the
transmitter case is properly grounded. Use the guidelines to ground the transmitter case. Refer
to page 27.
Do not run the transient protection ground wire with signal wiring as the ground wire may carry
excessive current if a lightning strike occurs.
2.9.4 Grounding
Use the following techniques to properly ground the transmitter signal wiring and case:
Power
Supply
Voltmeter
DP
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