Rievtech EXM-12DC-DA-R-HMI, User Manual, Page: 3 / 443

3
Introduction
Congratulations with your x-Messenger SMS/GSM/GPRS Micro-PLC provided by Rievtech
Electronic Co., Ltd.
The x-Messenger is a compact and expandable telemetry module combining industrial
grade GSM/GPRS modem, PLC controller, data logger, Ethernet module, and multiple
communication capability (1RS232&1RS485 ,MODUS ASCII/RTU/TCP, Mater/Slave).
Each module incorporates not only a real-time clock and calendar, but also provides
support for SMS, Call-In,Email, Ring and optional expansion digital /analog -I/O modules
and to enhance control and monitoring applications. Data adjustments can easily be
performed via the keypad, the LCD display, or through the easy-to-use eSmsConfig.exe.
DIN-rail and panel-mounted options are both available, offering full flexibility to the
various installation needs of your application.
The x-Messenger is available in 120V/240V AC or 12V and 24V DC versions, making it the
ideal solution for relay replacement, or simple control applications with SMS control or
alarming such as building and parking lot lighting, managing automatic lighting, access
control, watering systems, pump control, ventilation systems, home automation and a
wide field of other applications demanding low cost to be a primary design issue.
We strongly recommended taking the time to read this manual, before putting the
x-Messenger to work. Installation, programming and use of the unit are detailed in this
manual. The feature-rich x-Messenger provides an for off-line operation mode, allowing
full configuration and testing prior to in-field service commissioning. In reviewing this
manual you will discover many additional advantageous product properties, which will
greatly simplify and optimize the use of your x-Messenger.
Valid range of this manual