Microsoft word - adu-500.doc
Autonomous RTU/Data Logger
• Maintenance free operation for over 10
• GSM/EGPRS and CDMA2000 Versions • Quick and easy installation • 2 analog inputs, 3 digital inputs • SDI-12 sensor data acquisition • Several excitation options for external
internal 13.0 Ah Lithium Thionyl battery or external 10-24V power
ADU-500 is an ultra low power wireless RTU
with data logging and alarming capabilities.
The battery powered RTU incorporates three
digital inputs, two analog inputs, one pulse
counter input and multiple excitation options
Aver. 2.5mA (measurement w/o sensor current)
measurement channels, based on the popular SDI-12 communication protocol.
automatically send data and alarm information. The RTU is available for
2, 0-5V, 0-2.5V, 0-1V, 0-20mA differential inputs, 12 bit
battery can provide autonomous operation for over 10 years.
Measurements & Data Logging
system controller for detecting an alarm
condition. Analog input gain, scaling and alarm limits are user definable. The analog
according to the user defined sampling rate.
Sampling rate and sampling duration affect
the battery life according to the transducer
SDI-12 Serial Bus
SDI-12 is an asynchronous, ASCII, serial
developed for intelligent sensory instruments
that typically monitor environmental data.
The communication is achieved by digital
allows data recorder to communicate with
several microprocessor-based sensors over
a single line. ADU-500 is compliant to the
SDI-12 Standard Version 1.2 and supports
configuration, in terminal mode. ADU-500
The unit provides multiple excitation options
Alarming & messaging
for verifying unit availability. The unit supports discrete recipient alarming for
several users. Alarm message texts are user
ADU-500 supports periodical data transmission according to user defined parameters. The unit can send data via SMS to predefined users or to an internet FTP server via the FTP protocol.
Setup and programming
The unit can be programmed locally through the serial port or remotely via SMS by using simple ASCII configuration commands. The command set features commands for configuring input alarm parameters, scaling parameters and alarm limits, timing parameters and defining user groups. ADU-500 can be remotely reconfigured by sending configuration commands to the unit during the periodical status message processing.
Infinite Informatics, Ltd.
Representative - Authorized dealer
1, Valaoritou Street GR-54626 Thessaloniki, Greece Phone: +30-2310-553545, Fax: +30-2310-552006 Email: email@example.com URL: www.infinite.com.gr, www.indinf.gr
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