Chapter 1 General Introduction to x-Messenger
1.1 Overview
Rievtech x-Messenger SMS/GSM/GPRS Micro-PLC with built-in GSM modem is a device dedicated for remote
monitoring, diagnostics and control of objects via short text messages (SMS) , E-mail or CLIP calls.
Configurable messages sent from the device with static (text) or dynamic (text and measured values)
content are a convenient way of passing important information to the monitoring center, or directly to the
defined phone numbers. SMS messages sending or Call-out can be triggered by change of binary input state,
reaching alarm thresholds, marker state change, counters and clocks. Industrial design, practical set of I/O
resources, easy to use configuration software tools and direct connection of sensors lowers the cost of
building system. There are 4 optional (0...10V DC) signal inputs or 2 (0/4…20mA) inputs built-in the CPU. So,
it can work with humidity sensors, water level sensor, pressure transducers, flow sensors, smoke, gas,
motion, shock and noise detectors, etc.
The device’s own phone book saves up to 50 mobile phone numbers of the receivers.
The programming of the x-Messenger is carried out with the eSmsConfig. Two programming modes are
available-standard and customized mode. All the settings can be configured very easy and without special
knowledge of any programming language in standard mode. In this way the settings can be configured
conveniently, flexibly and easily. Additional, Customized mode is supplied to users who are familiar with the
logic boxes of Boolean algebra, and moreover complex control, logic, timer, counter, analog math etc would
be needed for their systems.
*GSM network: 850MHz, 900MHz, 1800MHz, 1900MHz (Quad-band GSM module inside)
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