M2M Solution
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    (Asia Only)

    The GT-540P is an intelligent Active GPRS Remote Terminal Unit with GPS. Within the high performance 32 bit CPU, the GT-540P is suit for the hard industrial environment. It features GPRS/GSM module, 6 digital inputs, 2 digital outputs, 1 analog input, 2 RS-232, 1 RS-485 and SD interface. It can be used in M2M application fields to transfer the local I/O or Modbus device’s data by GPRS by the defined period or DI/AI triggers. The local I/O and GPS data can also be stored in the SD card to become a remote data logger. For another communication path, the GT-540P offers the E-mail mode to transfer the data by E-mail via GPRS for users to choose. The simple I/O linkage function of the GT-540P can reach the real time control in the local field. It also supports Li-ion battery as another power source when the main power is failed temporarily. Therefore, the GT-540P is an ideal solution for environmental monitoring, remote device management and vehicle monitoring system for M2M applications. Meanwhile, it is supplied with easy-to-use API and OPC server Software that streamline application development process, freeing system integrators from dealing with complex communication protocols of GPRS and the Internet.


    • Automatic/continuous GPRS Link Management
    • Support Modbus RTU protocol to connect to Max 3 Modbus RTU devices via RS-485 port
    • Support M2M OPC server for SCADA system
    • Easy-to-use API tool for users to develop their applications by various program development tools
    • Be the GPRS I/O devices
    • Support data transferring by E-mail
    • Support GPS function
    • Local I/O linkage function to make the simple local control
    • Support 3.7V Li-ion Battery backup
    • Power supply 10 ~ 30 VDC
    ICP DAS provide graphic tool for users to configure GT-540P. The utility also can help users to test GT-540P in the Lab before they apply in the real site.

    The M2M RTU center software with friendly Graphic interface is to manage the GPRS RTU products easily. Users can monitor the I/O data and status of GPRS RTU devise by the interface on PC. By using the GPRS RTU API tool and M2M RTU center software, any remote monitoring system can be achieved easily and efficiently. For SCADA system, the M2M.OPC server is provided to connect to SCADA by OPC interface.

    Web site
    M2M RTU Center
    M2M RTU series management software
    M2M RTU Win32 API
    NAPOPC.M2M DA Server
    OPC Server for M2M RTU devices
    EZ Data Logger
    InduSoft SCADA
    • Easy to Establish GPRS Network Applications
      It is a big headache for engineers to establish the GPRS applications because the dynamic IP management is required. Applying the GT-540P and M2M RTU center software, the dynamic IP addresses can be managed between them. The remote GPRS RTU product would connect to M2M RTU Center automatically. Therefore, all remote GPRS RTU devices can be managed by s single centralized M2M GPRS RTU Center software with a fixed IP address.
      Moreover, there are M2M API tool and OPC server for engineers to develop the GPRS applications by VB, VC or SCADA development tools conveniently without any IP address management effort.
    • Active data transmission
      The GT-540P with active I/O transmission mechanism can raise the communication. Unlike the traditional poll communication, it would transfer the data by the defined time, DI trigger or AI hi/lo alarm. In addition to improve the way of communication, that can also reduce the AP effort.
    • Transfer data by e-mail
      Expect for the transferring data by the general communication with the M2M RTU center, users can choose the e-mail mode to send these data by e-mail over GPRS in the fixed time.
    • Modbus RTU device connectivity
      The GT-540P is built-in Modbus RTU protocol. That can make any Modbus RTU device connect to the GT-540P. By the way of GT-540, Modbus RTU devices can be used in GPRS remote system. The max Modbus RTU device can be connected to the GT-540P is three.
    • Simple Local I/O link Control
      There are I/O built-in GPRS RTU devices of ICP DAS. Therefore, these products can be the GPRS I/O devices. Expect for these local I/O data can be sent to the host PC, the I/O link function of them help users to do the simple control in local field. For example: the DI trigger or high/low AI alarm can driver the DO channel.
    • Built-in I/O Data Logging
      The GT-540P provides an external SD interface. These local I/O and Modbus data are recorded in SD memory card for one day in a single file.
    32 bit CPU
    64 Kbytes
    Flash Memory
    512 Kbytes
    Gives time(sec, min, hour) & date, leap year compensation from 1980 to 2079
    SD interface
    2GB max.
    Serial ports
    RS-232 : TxD,RxD,GND for configuration
    RS-485 : D2+, D2-
    Digital Input
    Input Channel
    Input Type
    Sink or Source, Isolated channel with common power or ground
    Off Voltage Level
    +1V max.
    On Voltage Level
    +3.5 ~ 30 VDC
    Isolated Voltage
    6 (16 Bit, 5~40Hz),
    Min. Pulse Width : 25ms
    Digital Output
    Output Type
    Open-Collector (NPN) (100mA@30VDC)
    Load Voltage
    +30 V max
    Load Current
    100 mA max
    Isolated Voltage
    Analog Input
    12 V bit
    Input Range/Type
    0 ~ 20 mA
    GSM/GPRS system
    Quad-band 850/900/1800/1900 MHz
    GPRS multi-slot : class 10/8
    GPRS mobile station : class B
    GPRS class 10 : Max download speed 85.6 kbps
    CSD max speed 14.4 kbps
    Compliant to GSM phase 2/2+
     -Class 4(2W @ 900 MHz)
     -Class 1(1W @ 1800/1900 MHz)
    Coding schemes : CS 1, CS 2,CS 3,CS 4
    GPS Interface
    Support Channels
    Tracking = up to -159 dBm (with external LNA)
    Cold start = up to -146 dBm (with external LNA)
    Acquisition Time
    Hot start (Open Sky) = 2 s(typical)
    Cold start (Open Sky) = 36 s(typical)
    Protocol Support
    GPRMC format (NMEA 0183 version 3.01)
    Reverse polarity protection
    Frame Ground Protection
    ESD, Surge, EFT, Hi-Pot
    Required Supply Voltage
    +10 VDC ~ +30 VDC
    with 1200 mAh Li-ion battery backup (option)
    Power Consumption
    Idle: 75 mA @ 24 VDC; Data Link: 180 mA @ 24 VDC; Peak: 460 mA @ 24 VDC
    UL 94V-0 materials
    Dimensions (W x L x H)
    91 mm x 132 mm x 52 mm
    Operating Temperature
    -25℃ ~ +75 ℃
    Storage Temperature
    -40℃ ~ +80 ℃
    Ambient Relative Humidity
    5 ~ 95% RH, non-condensing
    GT-540P CR
    Intelligent GPRS Remote Terminal Unit with GPS (RoHS, include: 2G micro SD card) (Asia Only)
    For quotation ; For product information ; For project or solution discussion
    5 dBi 4G External Antenna (Support 3G/4G)
    GPS Active External Antenna
    Battery Box (RoHS)