M2M Solution
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    (Asia Only)

    GT-540P-3GWA is an intelligent Active 3G Remote Terminal Unit with GPS. Within the high performance 32 bit CPU, GT-540P-3GWA is suit for the hard industrial environment. It features 3G module, 6 digital inputs, 2 digital outputs, 1 analog input, 1 RS-232, 1 RS-485 and SD interface. It can be used in M2M application fields to transfer the local I/O, GPS and Modbus device's data via WCDMA/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, GT-540P-3GWA offers the E-mail mode to transfer the data by E-mail via WCDMA/GPRS for users to choose. The simple I/O linkage function of GT-540P-3GWA 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, GT-540P-3GWA 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 WCDMA/GPRS and the Internet.


    • Automatic/continuous WCDMA/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 WCDMA/GPRS I/O devices
    • 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-3GWA. The utility also can help users to test GT-540P-3GWA in the Lab before they apply in the real site.

    The M2M RTU center software with friendly Graphic interface is to manage the WCDMA/GPRS RTU products easily. Users can monitor the I/O data and status of WCDMA/GPRS RTU devise by the interface on PC. By using the M2M 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 WCDMA/GPRS Network Applications
      It is a big headache for engineers to establish the WCDMA/GPRS applications because the dynamic IP management is required. Applying GT-540P-3GWA and M2M RTU center software, the dynamic IP addresses can be managed between them. The remote WCDMA/GPRS RTU product would connect to M2M RTU Center automatically. Therefore, all remote WCDMA/GPRS RTU devices can be managed by s single centralized M2M RTU Center software with a fixed IP address. Moreover, there are M2M API tool and OPC server for engineers to develop the WCDMA/GPRS applications by VB, VC or SCADA development tools conveniently without any IP address management effort.
    • Active data transmission
      GT-540P-3GWA 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 WCDMA/GPRS in the fixed time.
    • Modbus RTU device connectivity
      GT-540P-3GWA is built-in Modbus RTU protocol. That can make any Modbus RTU device connect to GT-540P-3GWA. By the way of GT-540P-3GWA, Modbus RTU devices can be used in WCDMA/GPRS remote system. The max Modbus RTU device can be connected to GT-540P-3GWA is three.
    • Simple Local I/O link Control
      There are I/O built-in WCDMA/GPRS devices of ICP DAS. Therefore, these products can be the WCDMA/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
      GT-540P-3GWA 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.
    CPU 32 bit CPU
    SRAM 64 Kbytes
    Flash Memory 512 Kbytes
    RTC Gives time(sec, min, hour) & date, leap year compensation from 1980 to 2079
    WDT(watchdog) Yes
    SD interface 4GB max.
    Serial ports
    COM1 RS-232 : TxD,RxD,GND for configuration
    COM2 RS-485 : D2+, D2-
    Digital Input
    Input Channel 6
    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 3750Vrms
    Counters 6 (5~40Hz), Min. Pulse Width : 25ms
    Digital Output
    Channels 2
    Output Type Open-Collector (NPN) (100mA@30VDC)
    Load Voltage +30 V max
    Load Current 100 mA max
    Isolated Voltage 3750Vrms
    Analog Input
    Channels 1
    Resolution 12 bit
    Input Range/Type 0 ~ 20 mA
    2G system
    GPRS/GSM Quad-band 850/900/1800/1900 MHz
    GPRS multi-slot : class 10/8
    GPRS mobile station : class B
    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
    3G System
    Frequency Band WCDMA : 850/900/1900/2100 MHz
    Power class Class 3(250mW @ WCDMA/HSPA)
    GPS Interface
    Support Channels 32
    Sensitivity 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)
    Protection Reverse polarity protection
    Frame Ground Protection ESD, Surge, EFT, Hi-Pot
    Required Supply Voltage +10 VDC ~ +30 VDC
    Power Consumption Idle: 65 mA @ 24 VDC; Data Link: 170 mA @ 24 VDC; Peak: 450 mA @ 24 VDC
    Casing Plastic
    Flammability UL 94V-0 materials
    Dimensions (W x L x H) 91 mm x 132 mm x 52 mm
    Installation DIN-Rail
    Operating Temperature -25 ℃ ~ +75 ℃
    Storage Temperature -40 ℃ ~ +80 ℃
    Ambient Relative Humidity 5 ~ 95% RH, non-condensing
    GT-540P-3GWA CR
    Intelligent 3G Remote Terminal Unit with GPS(RoHS) (Asia Only)
    For quotation ; For product information ; For project or solution discussion
    5 dBi 4G External Antenna (Support 3G/4G)
    Battery Box (RoHS)