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Smartbox, based on the Telit Chipset HE910 is a ready to use solution for connecting Modbus devices to the Cumulocity Fieldbus Cloud. It provides a Master Slave Communication on RS485 for connecting up to 10 devices as well as 10 Sensors (Current ,Temperature, Pressure). Easy configure the SetUp of building automation fielddevices like pumps, e-meters, Airhandling units in the Cumulocity Fieldbus cloud or connect different sensortypes to the box. Using the MQTT protocol the terminal comes up with a low traffic solution for decentralized applications.




  • LTE Cat 4 (incl. 3G/2G)
  • LTE Cat 1 (incl. 3G/2G)
  • LTE Cat M1
  • NB-IoT (Cat NB1)
  • UMTS | HSPA+ (incl. 2G)
  • UMTS | HSPA (incl. 2G)
Regions EMEA / APAC / Latinamerica / NorthAmerica / Australia / Global (3G / 2G)
GPS Supported by 2G and 3G Variances
Production The selected Region,Technology and GPS can be defined during Production. The default assembly is 3G with supported regions EMEA / APAC

Connectivity/ Features

Connectivity/ Features
Layout Layout
Fieldbus Modbus
Type Modbus RTU Master
Baudrate 4800, 9600, 19200, 38400, 57600, 115200
Parity Even, ODD, NONE
Stoppbits 2,1
  • Funct.1 (Read Single Coils)
  • Funct.2 (Read Input Status)
  • Funct.3 (Read Holding Registers)
  • Funct.4 (Read Input Registers)
  • Funct.5 (Write Coil)
  • Funct.6 (Write Holding Register)
  • Datapoints Max. 10 Modbus Slaves, with 100 datapoints per device or 1000 datapoints with 1 device
    Sensors 12 Universal Inputs
    U1/U2 DIN NO [voltage free] / DIN NC [voltage free] /0..20mA/4..20mA/0..10V/2..10V/0..5V
    U3/U4/U5/U6 DIN NO [voltage free] / DIN NC [voltage free] /0..20mA/4..20mA
    U7/U8/U9/U10 PT1000
    Output 24VDC Digital Output. Note: Either the Output or the 2nd Fieldbusinterface can be selected during production
    DIN/O DIN [voltage free]
    AIN/O NTC (selectable by Hardwarejumper, either NTC or 0..20mA)
    AIN/P+ 0..20mA (selectable by Hardwarejumper, either NTC or 0..20mA)
    2nd Fieldbus RS485 Customized Interface for Modbus RTU Master/Slave,, Custom Interface. 24VDC Digital Output. Note: Either the Output or the 2nd Fieldbusinterface can be selected during production
    LEDs GSM Flashing- connected to mobile network
    RUN 2xflashing/pause: StartUp Phase
    3xflashing/pause: Connected to Server, Data exchange
    Act Flashing: Sensor Board Power
    Link Flashing: Sensor Board is ready to process data
    USB For programming, Logging and Trace the device

    Cloud Connector

    Cloud Connector
    Availability All Cumulocity Based systems, Cloud der Dinge Deutsche Telekom
    Realtime Clock Updating Realtime automatical from #NTP timeserver
    Application CloudFieldbus (CFB Integrated in Devicemanagement)
    For SetUp connected field devices
    Online Operations Remote Restart
    Fieldbus Configuration Cloud-Device
    Change Transmitinterval from device to Cloud
    Change Communication. Baudrate, Databits, Parity, Stopbits
    Operate the connected Field device: Registervalues (R/W)
    Operate the connected Field device: Change CoilValues (R/W)
    Operate the device with AT Commands in the shell
    Communication MQTT
    Security TLS-Security 1.0 / TLS 1.2 (ab Version 2.4.x)
    Notifications Realtime and Pending Operations
    Shell Operate the device with AT Commands in the shell
    Location Identification by cellular network or GPS Signal (selected- see Radio)
    Tracking Location Route by cellular network or GPS Signal
    Info Operator, Cell ID, LAC, MNC, MCC, Signal strength
    Device Database Device database Support: Measurements, Event, Alarms, Values, Read,Read/Write, Signed/Unsigned, Decimal Places, Multiplier, Divisor, No of Bits, StartBit
    OTA RemoteUpdate Software
    Data-Exchange Values On Change
    Alarms On Change
    Events On Change
    Measurements Default 900
    Signal strength Is sent every 20 Min as a measurement
    Offline Buffering Alarms, Events, Measurments ≈ 72h
    SMS For Troubleshooting you can operate the device by SMS:
    Change tenant

    Edge Processing

    Edge Processing
    FUP Plan Supporting, 3 x PID Control, And, XOR, NOR, NAND, Multiplexer, Conversion, up to 500 Signals
    Deploy Remote Deploy remotely by Cloud (SW Download)


    Dimensions 70 x 70 x 45 mm
    Weight 89g
    GSM Antenna SMA Connector
    Power Supply Nominal voltage range: 12-24 VDC, 10%
    Maximum continuous (average) supply power: 2.5 W
    Maximum continuous (average) supply current: 200 mA at 12V, 100 mA at 24V
    Mounting Via DIN Rail Adapter or Adapter for Wall Mounting
    SIM Card Format 2FF
    Operating temperature -20..60°C
    Storage temperature -40..85°C
    Operating humidity Max. 85%
    Storage humidity Max. 85%
    IP Class IP20/IP54 (opt.)
    Conformity Declerations 2014/53/EU (Radio Equipment Directive - RED)

    EN301511 v12.5.1 for GSM 900 and 1800 MHz
    EN301908 v11.1.1 for UMTS band 1 and 8
    EN 301489-1 v2.1.1 general part
    EN 301489-52 v0.0.7 for GSM and UMTS