Node Power Options
Which Node power option is best for your application: Battery or Line Power?
Julien Stamatakis avatar
Written by Julien Stamatakis
Updated over a week ago

Senseware offers AAA battery powered nodes in addition to its regular powered Node. AAA nodes have internal temperature and relative humidity (T/RH) sensors that can be used instead of an external T/RH environmental sensor. However, there are limitations. These nodes can only act as end-points, not relays, and to preserve battery life the polling frequency should not be increased past 5 minutes. Most sensors can be connected to AAA Nodes, with the exception of BACnet, Modbus, Timer Control, and CO2, using lower sampling rates.

For installations with large amounts of temperature and/or relative humidity monitoring, locations where power is not available, or locations that do not need to repeat communications from nodes located further out in the network, using AAA Nodes is often the most economical option. At a polling frequency of 5 minutes these AAA Nodes, which run on 3 x AAA batteries, can be expected to yield ~1 year battery life, assuming there is good link quality and with the use of lithium batteries. Regular-powered nodes can also be configured to work in end-point mode, allowing them to simulate the operation of battery powered nodes.

All of Senseware’s nodes have the option of AAA battery powered operation in addition to wall outlet, or line power with the use of adapters (12VDC, 24VDC, 24VAC, 100-240VAC). Inform your Senseware sales representative of your power preferences when placing your order and fulfillment will provide AAA batteries, wall power adapters, and line power adapters as necessary.

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