How do I dimension the power
supply of my SmartWire-DT
topology?
41
02/11 MN05006002Z-EN
• I
G
= Total current in the SmartWire-DT network that is
supplied by a supply unit.
• I
RB
= The current that flows through the network termina-
tion can be assumed as being 17 mA.
• U
V
= 14.5 V = Supply voltage in the device supply
• U
n
= Supply voltage for the SmartWire-DT slave “(n)”
• U
Ln
= Voltage drop in the line segment “n”
• R
L
= Line resistance per metre, calculated from the supply
and return line
• L
n
= Length of the line segment “n” as of the preceding
SmartWire-DT slave. The preceding slave is the supply unit
for SmartWire-DT slave 1.
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Содержание SmartWire-DT
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