XW-110™ WiFi Temperature Sensor Users Manual
Introduction
Section 1: Introduction
The XW-110 and XW-110-
Plus
are easy-to-use Wi-Fi temperature sensors that measure and report real-
time temperature. The XW-110 monitors temperatures using a precision internal digital temperature
sensor (included), or an external temperature probe (not included.) The XW-110-
Plus
TM
supports
monitoring of up to three external temperature sensors. It is ideal for applications where temperatures
must be monitored and Ethernet wiring is not accessible or practical to install.
The XW-110 is powered by an external wall transformer (5VDC), or by two internal AA batteries. In the
case both are installed, the XW-110 will use the wall transformer and automatically switch to the
batteries in the event of a power failure. Only use batteries to provide backup power, or for modes where
the web server is not being used. If the internal web server is enabled in the XW-110, the unit will need
to be powered by an external wall transformer. Some configurations consume more power than others
leading to some scenarios where battery operation is not practical. For example, measuring and
transmitting the temperature every five seconds could result in depleting the batteries very quickly.
Having more features enabled and/or increased reporting rate leads to lower battery life.
The XW-110 can utilize one of two modes of operation. The first being the "Stand-Alone" mode which
makes the XW-110 a self-contained device that requires no additional servers or ControlByWeb devices.
In this mode the XW-110 products can provide live, real-time temperatures directly to users through web
browsers or the CBW Mobile app. In addition, the stand-alone mode offers the ability to monitor
temperature and send out email alerts (which can be converted to text message alerts) whenever an
alarm condition occurs.
The second mode of operation is "Slave" mode which is used for measuring and reporting the
temperature status to other ControlByWeb devices. In this mode, the XW-110 is not directly accessible
to the user. Temperature readings are transmitted to a server or another ControlByWeb device such as
the X-600M controller which acts as a "master.” The master device uses the information provided by the
XW-110 as it would use information collected by any other sensor.
Note:
the XW-110-Plus is targeted
for stand-alone applications and the Slave mode is not available with the XW-110-Plus version.
A three-position terminal strip provides connections for up to three temperature sensors. No other
cables, interfaces, or PC utility programs are needed.
Two user accessible push-button switches aid in provisioning the module. Press the “Access Point”
button anytime to active the access point mode. With a PC or smart phone you then connect to and
access the internal web server no matter what mode the unit is currently set to. Using the web server,
you configure the measurement interval, access port, name, and other setup parameters. Alternatively,
add the XW-110 to an existing network by pressing the “WPS” (Wi-Fi Protected Setup) button on both
the XW-110 and on your access point (i.e., router).
The XW-110-
Plus
is generally identical to the XW-110 but has additional features and capabilities for
extra sensors and remote services. The XW-110-
Plus
can be configured to automatically connect to
ControlByWeb.cloud.
This feature allows internet access to an XW-110-
Plus
which is installed behind a
network router, without the need to setup port forwarding in the router. This also allows easy installation
using DHCP without the need to assign a specific IP address. Since the connection from the XW-110-
Plus
is outgoing, rather than incoming, the local router on the network where the XW-110-
Plus
resides
doesn't need to be configured to forward sockets. This simplifies the installation since the router
configuration is not modified.
Additionally, the XW-110-
Plus
allows for logging time and temperature data to temporary memory. Once
per day at a time configured by the user, the XW-110-
Plus
will generate and send an email with all the
logged data to an email account set by the user. This allows for long-term accumulation of temperature
data.
Xytronix Research & Design, Inc.
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