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Step 10: Wiring the Power Supply and Ground
Terminal of the Expansion Module
Fig 1.38 Wiring of Power Supply and Ground Terminal of the Expansion
Module
Power Supply
Item
Description
Pin name
PP[+/L], PN[-/N]
Connector
Screw terminal[Pluggable]
Wire spec
1.25 to 3.5 mm
2
[ 24 to 14 AWG]
Ratings
AC 85 - 265V, 50/60Hz -, DC 100 - 300V
Compliance
Pollution degree 2
Burden
10VA
Caution
Using DC voltage is recommended for power supply to keep operating meters during a power
failure.