©
National Instruments Corporation
29
NI WSN-3212 User Guide and Specifications
Power Requirements
The power requirements specifications are typical at 25 °C.
Battery Power
Caution
Do
not
use rechargeable batteries.
Internal battery .......................................................4 AA 1.5 V alkaline only
Recommended batteries .........................................Energizer EN 91 AA, alkaline
Duracell MN1500 AA, alkaline
Battery operating temperature range
Energizer E91.........................................–18 °C to 55 °C
Duracell MN1500 ..................................–20 °C to 54 °C
Voltage range .........................................................3.6 to 7.5 V
Power consumption
1
60 second sample interval..............................0.4 mW at 6 V
2 second sample interval................................7.4 mW at 6 V
Battery life
1
60 second sample interval..............................Up to 3 years
2 second sample interval................................Up to 2 months
External Power
Caution
You
must
use a UL Listed ITE power supply marked LPS with the NI WSN-3212. The
power supply must also meet any safety and compliance requirements for the country of use.
Voltage range .........................................................9 to 30 V
Power input mating connector ...............................2-position mini-combicon,
Phoenix Contact part number: 1714977
Power consumption
End node mode
60 second sample interval......................15 mW at 24 V
2 second sample interval........................25 mW at 24 V
Router mode
2
.................................................300 mW at 24 V
Physical Characteristics
Screw-terminal wiring ...........................................14 to 24 AWG wire
Torque for screw terminals ....................................0.2 to 0.25 N
·
m
Dimensions ............................................................Refer to Figure 3 for device dimensions
Weight ....................................................................Approximately 242 g (8.5 oz)
Weight with antenna .............................................Approximately 256 g (9 oz)
1
Device executing NI-WSN firmware. End node mode.
2
Router connected directly to gateway. Routing messages for one end node at a one minute sample interval.
