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EM301
EM301 Explosion-proof weight Indicator and controller

EM301 Explosion-proof weight Indicator and controller：

Product description:

EM301 is an industrial process controlling explosion-proof weight indicator and controller, using flameproof and intrinsic safety design. It can be used in dynamic weighing. Equipped with a variety of PLC bus interfaces, also provides humanized HMI interface, it is convenient for the special weighing applications.


Key features:

• Certification accuracy：6000e

• Safety grid unneeded: load cell interface with intrinsic safety loop design.

• Color screen display：4.3 "full color screen

• Square structure design：IIC explosion-proof rating.High utilization of internal space, easy installation and maintenance,26-Keypads design, good operation experience

• Common Communication interface：Standard isolated RS232 and isolated RS485; CAN, LAN Optional Analog output, 4~20mA/0~10V；discrete I/O port, 8 inputs and 8 outputs.

• PLC fieldbus interface: Profibus-DP, CC-Link, Profinet, EtherNet/IP, Modbus-RTU, Modbus-TCP

• Typical application programming：basic weighing, check-weigh, filling/dosing, lose-in-weigh application.

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  • SPECIFICATIONS
  • DRAWING
  • DATA SHEET
  • APPROVALS
    Product modelEM301-0-2EM301-0-0EM301-1-2EM301-1-0
    Materials

    stainless steel（0Cr18Ni9）      

      cast aluminium（ADC12）

    stainless steel（0Cr18Ni9）  

      cast aluminium（ADC12）

    Cavity size (LxWxH)mm259x207x132226x175x115259x207x132226x175x115
    Weight (Kg)24122513
    Explosion-proof sign

    Ex db ib [ib Gb] llB+H2 T6 Gb,

    Ex ib tb [ib Db] lllC T80℃ Db

    Ex db [ib Gb] llC T6 Gb,

    Ex tb [ib Db] lllC T80°C Db

    AC Power85-264VAC/18-36VDC
    Protection degreeIP68(2m/2h)
    Operating temperature-20-+60
    Service entranceG3/8” M16x1.5G1/2” M20x1.5G3/4” M25x1.5
    Applicable cable diameterφ4-φ9φ6-φ12φ6-φ13
    Intrinsic safety parameterLoopUo(V)lo(mA)Po(mW)Co(μF)Lo(mH)
    +EXC7.1434239713.50.7
    +SEN7.1434239713.50.7
    +SIG7.1434239713.50.7
    -SIG7.1434239713.50.7
    -SEN7.1434239713.50.7
    -EXC7.1434239713.50.7
    Display screen4.3 " TFT full color screen
    Number of verification scale intervals (e)6000
    Number of  scale intervals for indicator (d)100000
    Number of sensorsUp to 6 350 ohm load cells (2 or 3mV/V)
    AD sampling rate1000Hz
    Load cell Excitation5VDC
    Minimum sensitivity0.5 μV/e
    Accuracy classⅢ
    KeyPad4 key top bar button; Film keyboard (expandable up to 32 keys)
    Communication protocol

    Command output, Continuous output,Modbus RTU,Modbus TCP

    PROFINET，EtherNet/I

    Calibration methodWeight calibration; Weight-free calibration; Remote calibration
    Scale1
    Capacity1-500,000kg (default 60)
    Increment size0.001/0.002/0.005
    0.01/0.02/0.05 (default 0.01)
    0.1/0.2/0.5
    1/2/5
    10/20/50
    Serial ports1 way RS485 (isolation)
    1 way RS232 (isolation)
    1 way CAN (isolation)
    1 way LAN
    Baud rate1200，2400，4800，9600 (default) ,19200，38400，57600，115200
    DIO interface4 inputs (optocoupler isolation) /4 outputs (relays, transistors)
    Analog quantity ※1 way 4-20mA or 0-10v
    8DIO Interface expansion board ※8 inputs (optocoupler isolation) /8 outputs (relays, transistors)
    8RLY Interface expansion board ※8 inputs (optocoupler isolation) /8 outputs (relays, transistors)
    Industrial bus option board ※PROFINET、EtherNet/IP、Profibus-DP、CC-Link。

    Note:The list marked with ※ is optional, customers need to purchase separately.

    EM301