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Weight Transmitter
WTB

  • BOSCHE Wägetechnik
    660-100-20-07
  • from €198.00 *

    Prices plus VAT plus shipping costs

    Version

    Please select suitable accessories above. If you are unsure, please contact us directly at info@bosche.eu for a suitable offer.
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    • Weight Transmitter<br />WTB
    • Legal for trade digital measuring amplifier for strain gauge full bridges - load cells
    Version
    Price
    WTB 485
    From 1
    €198.00
    WTB analog
    From 1
    €220.00
    WTB profibus
    From 1
    €340.00
    WTB Modbus
    From 1
    €420.00
    WTB Ethernet TCP/IP
    From 1
    €360.00
    WTB EtherCat 2
    From 1
    €450.00
    WTB CANopen
    From 1
    €340.00
    WTB Ethernet 2 IP
    From 1
    €420.00
    The WTB is a highly accurate digital scale transmitter with 24-bit AD converter, which converts... more
    Product information "Weight Transmitter WTB"

    The WTB is a highly accurate digital scale transmitter with 24-bit AD converter, which converts the output signals of the connected load cells in a stable weight value. This versatile and extremely reliable weight transmitter shows fast and accurate weight values. The transmitter has both analog and digital outputs that provide stable measurement information. Communication is done via an RS485 interface. Programmable relay outputs and two digital logic inputs are also available as standard.The optional analog output provides propotional to the weight an analog signal that can be processed by a PLC or PC.

    This weighing transmitter, with the industry standards of bus technology, enables monitoring of various production processes and is a cost-effective alternative to comparable electronics from PLC manufacturers.

    Optional: Modbus RTU, Modbus TCP, PROFIBUS DP, PROFINET IO, Ethernet IP, Ethernet TCP/IP, EtherCAT, DeviceNet, CANopen, POWERLINK, CC-Link, IO Link, Sercos III.

     Transmitter mit Modbus SchnittstellePROFIBUS_rgbPROFINET_rgb Transmitter mit ethernet_ip Transmitter mit ethercatLum-DeviceNet Tranmitter mit canopen Transmitter mit POWERLINK  Transmitter mit cc-link  Transmitter mit io-link  Transmitter mit Sercos Schnittstelle

    Features

    • EC type-approval for maximum number of verification scale intervals: n = 10000 
    • DIN rail mounting
    • Wide input voltage range: 12 - 24V DC + / - 10%, + / - 10%
    • Number of parallel load cells: max.8 (at 350 ohms)
    • High measuring rate of the transmitter up to 300 measurements / sec
    • A / D converter: 24 bit
    • Six-digit display with red 7-segment LED's
    • Maximum number of decimals: 4
    • Programmable switching contacts
    • 3 programmable potential free outputs: max. 115V AC / 60mA for control of relays
    • Two digital, optically isolated inputs
    • Interface: RS 485
    • All connections via screw terminals
    • Optional: Analog output, optically isolated, 16-bit (selectable 0-20mA, 4-20mA, 0-10V, 0 - 5V, ± 10V, ± 5V)
    • Optional: Profibus-DP, RS 232

    Construction

    The WTB transmitter has a 6-digit weight and service display. The weight value can be controlled locally by the well-read, bright LED display. The four buttons are behind a hinged acrylic glass plate on the front. The scale transmitter is designed for installation on a standard DIN rail. The narrow design allows the installation of multiple devices next to each other. Both 4 - and 6-wire load cells can be connected. The peak value function (PEAK) can be linked with a switch point output of a serial interface, analog output, or display.

    Weighing technology - Legal for trade

    The scale transmitter of the WTB series are legal for trade according to OIML verification class III and IIII. The weighing function is authorized up to 10,000 components. The calibration and function setting is made easy via the keypad. A theoretical calibration - without weights - only by entering the weighing range and the nominal characteristic value of the load cell (mV / V) is also possible.

    Interfaces

    WTB 485WTB analogWTB Profibus
        PROFIBUS_rgb
    Waegetransmitter_WTB_48559ca52b77dd94 Waegetransmitter_WTB_analog_output59ca5304977e2 Waegetransmitter_WTB_PROFI59ca533dd2cfe
    GSD profibus Datei
    Serial interface RS -485 Serial interface RS -485
    Analogue output, opto-decoupled selectable: 0-20mA / 4-20mA (max 300ohm) / 0-10V / ± 10V / ± 5V (min 10kohm)
    Serial interface RS -485
    Slave Profibus DP (max 126 units with repeater)
     WTB Profinet 2 WTB Ethernet 2 WTB Ethernet TCP/IP
    Transmitter mit ethernet_ip  
    Waegetransmitter WTB ETHERNET TCP/IP
    XML Profinet - 2 Port - Datei EDS EthernetIP Konfigurationsdatei  
    Serial interface RS -485
    2 x Profinet IO; RJ45 10Base-T (10Mbps) or 100Base-TX (100Mbps)
    Serial interface RS -485
    Ethernet/IP; RJ45 10Base-T (10Mbps) or 100Base-TX (100Mbps)
    Serial interface RS -485
    Ethernet TCP/IP Slave über Webbrowser,  RJ45 10Base-T (10Mbps) oder 100Base-TX (100Mbps)
    WTB EtherCAT 2WTB ModbusWTB CANopen
    Transmitter mit ethercat  Transmitter mit Modbus Schnittstelle Tranmitter mit canopen

    ESI EtherCAT Konfigurationsdatei
    Waegetransmitter_WTB_Modbus_TCP59ca56c4a20ca Waegetransmitter_WTB_CANOPEN59ca5b12a666a
    EDS CANopen Konfigurationsdatei
    Serial interface RS -485
    2 x Slave EtherCat port, RJ45 10Base-T (10Mbps) oder 100Base-TX (100Mbps)
    Serial interface RS -485
    Modbus/TCP; RJ45 10Base-T (10Mbps) or 100Base-TX (100Mbps)
    Serial interface RS -485
    Slave CANopen port, max 99 devices, Baud rate: 10, 20, 25, 50, 100, 125, 250, 500, 800, 1000 kbit/s 
    WTB POWERLINK 2WTB CC-LinkWTB Sercos 2
    Transmitter mit POWERLINK Transmitter mit cc-link Transmitter mit Sercos Schnittstelle
    Waegetransmitter WTB POWERLINK Waegetransmitter_WTB_CC-Link59ca5ccebb534
    CSP CC-link Konfigurationsdatei
     Waegetransmitter WTB SERCOS
    Serial interface RS -485
    2 x Slave POWERLINK port, RJ45 10Base-T (10Mbps) oder 100Base-TX (100Mbps)
    Serial interface RS -485
    Slave CC-link port, max 64 Geräte, Baud rate: 156, 625, 2.500, 5.000, 10.000 kbit/s 
    Serial interface RS -485
    2 x Slave SERCOS III port; RJ45 10Base-T (10Mbps) or 100Base-TX (100Mbps)

    Technical data

    A/D converter

    24 bit (16,000,000 parts) - 4.8 kHz

    Load cell supply 5 V DC / 120 mA
    Power supply / performance 12 ÷ 24 V DC ± 10% / 5 W
    Supply voltage of the inputs 5- 24 VDC
    Max. Counter steps (with measuring range +/-10mV = Rec. 2mV/V) ± 999999 • 0,01 µV/D
    Linearity < 0,01% of range
    Temperature drift (of the analogue output) 0,003 % of range / °C
    Number of load cells (connected in parallel) Max. 8 á 350 Ω or 16 á 700 Ω (4- or 6-wire technology)
    Measuring range ± 39 mV
    Max. Sensitivity of the load cells ± 7 mV
    Max. Conversions per second 300 conversions/s.
    Display 6 digits, 7 segments, LED red + 6 status LEDs
    Decimal places 0-4
    Resolution display - adjustable increments x 1 x 2 x 5 x 10 x 20 x 50 x 100
    Keyboard Keypad with 4 keys to control the weighing functions
    Status symbols Zero, tare, memory status
    Measuring range -1mv ~ +14 mv
    Digital filter 10 levels
    Conversion rate 5 - 300 Hz
    2 x digital optically isolated inputs 2-5 ÷ 24 V DC PNP
    1 x analogue output; optically isolated, 16 bit

    0-20 mA / 4-20 mA and max. 300 Ω
    0-10 V DC / 0-5 V DC and min.10 kΩ

    3 x logical relay outputs max. 115 VAC / 150 mA
    Serial interface 1 x RS485
    Baud rate 2.400, 4.800, 9.600, 19.200, 38.400, 115.200 (bit/s)
    Nominal temperature range - 10 ... + 40 °C
    Humidity

    max. 85% r.H., non-condensing

    Dimension (W x D x H) 120 x 115 x 25 mm

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