Rievtech x-Messenger Series - Resources; GSM;GPRS Module Built- in

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Note: A. RS485 port can be used as either expansion or communication port, while serving as
communication port, EXM-E-RS485 communication module would be required as such port is not photo
electricity-isolated.
3.3 Resources
3.3.1 GSM /GPRS module built- in
Each x-Messenger CPU integrates an industry Quad-band GSM module inside. The x-Messenger can work
under the following GSM networks: 850MHz, 900MHz, 1800MHz, 1900MHz and will search these frequency
bands automatically.
Note: A. all the x-Messenger CPUs support the GSM function except the EXM-12DC-DA-RT-WIFI.
Model
EXM-12DC-DA-RT-WIFI
EXM-12DC-DA-RT-GWIFI
Supply Voltage
DC 12-24V
DC 12-24V
Inputs
4 digital/analog+4 digital
Analog Input signal
4 DC (0..10V)
Outputs
High Speed Count(I7,I8)
2 relay(10A) +2 Transistor(0.3A)
(I7,I8)60kHz
SMS
No Yes (64 different short message configuration)
GPRS
No Yes
Wifi interface
Yes
Yes
Ethernet
Yes
Yes
Data logging
Optional(Optional accessory: ELC-MEMORY required)
Interface
1 RS232 & 1 RS485
Communication protocol
Modbus RTU&ASCII/TCP
Modbus RTU /ASCII /TCP
RTC
Yes
LCD display with keypad
Yes
Alarming mode
No SMS, Ring
output control mode
Logic program control SMS , Call-In, Logic program control
Programming
Standard config soft& Customized soft(Function block diagram)
Email
No
Yes(can send email out)