Chapter 2 - installation, 1 general, 2 power/supply – Weidmuller WI-I/O-9-U2: Wireless Mesh I/O & Gateway User Manual V1.2.2 User Manual
Page 17: 1 requirements, Figure 2, Power connectors, Figure 3, Supply connections, Ead chapter 2, Installation”, w
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Chapter 2 - Installation
2.1 General
All WI-I/O 9-U2 Series modules are housed in a plastic enclosure with DIN rail
mounting, providing options for up to 14 I/O points, and separate power &
communications connectors. The enclosure measures 170 x 150 x 33 mm including
connectors. The antenna protrudes from the top
2.2 Power/Supply
Figure 2
– Power Connectors
Figure 3
– Supply Connections
2.2.1 Requirements
The recommended power options available for the WI-I/O 9-U2 module are as follows.
1. 15 - 30 volt DC power source rated at 37
Watts, connected to the “SUP+” &
“SUP-” terminals.
2. 12-15 volt DC power source rated at 24Watts
, connected to the “BAT+” &
“GND” terminals
A primary power supply connected to the
“SUP+” & “SUP-” terminals will automatically
charge a 13.8V Sealed Lead-
Acid battery, if connected to the “BAT+” and “GND”
terminals at up to 1Amp at ambient room temperature (25°C). Battery charge current is