NI WSN-3230/3231 User Guide and Specifications
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ni.com
Resetting Channels After an Overcurrent Condition
To reset the short circuit protection turn off the high side switch by writing a digital value of 0 to the
channel. Then, check the wiring and remove any possible faults. The correct functionality of the circuit
should be confirmed by writing a digital value 1 to the channel and then reading a logical 1 from it.
Powering an External Sensor
The NI WSN-3230/3231 can provide up to 50 mA at 12 V to external sensors through its sensor power
(SEN PWR 12V) terminal. You can configure this sensor power output using NI LabVIEW WSN
software to turn on a sensor at any time. Figure 23 shows the sensor power circuit connected to a device.
Figure 23.
External Sensor Connected to the NI WSN-3230/3231
Make sure the device you are connecting is compatible with the NI WSN-3230/3231 sensor power
circuit voltage and current ranges. Refer to the
section for more information.
The clamp-on ferrite, included with your device, must be installed onto any wires connected to the
sensor power port as close to the WSN node with a full turn, as shown in Figure 24.
Figure 24.
NI WSN-3230/3231 Cable Connection
Specifications
These specifications are typical from –40 to 70°C, unless otherwise noted. Refer to the
LabVIEW WSN
Pioneer Performance Benchmarks
document, at
zone.ni.com
for more information.
For the NI WSN gateway specifications, refer to the gateway documentation.
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