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Modbus modules

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Modbus RTU

Controled over an RS485 connection the Modbust RTU protocol is simple, open, and easy to use.

View all Modbus RTU products

Modbus TCP

Modbus TCP is a widely adopted open standard for controling industrial equipment over a network. It is easy to use, requires little configuration, and is easy to intergrate.

View all Modbus TCP products

2 Items

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  1. dS2408 dS2408
    dS2408
    £121.87 As low as £91.56
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    Network enabled module with fully customizable firmware.

    Relays - 8
    Relay current - Up to 16Amp @24vdc or 250vac 
    OPTO Inputs - 40 optically isolated inputs that are either:

    • 5V to 30v DC. (green PCB)
    • 230 AC (red PCB)

    Serial ports - 1 x TTL level serial port, and 1 RS485 port.
    Power     - 12V DC adaptor, supplied separately
    Configuration & Test interface - HTTP (webpage)
    Control interface - TCP/IP over Ethernet
    Connections - Screw Terminals for N/O N/C and Common contacts
    Ethernet connection - 100mb full duplex

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  2. MBH88 MBH88
    MBH88
    £98.74 As low as £78.38
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    Controlled by modbus RTU over RS485, address, baud rate and parity set by dip switch. 

    Relays - 8 VFC with snubbers on N/O
    Relay current - Up to 16Amp @24vdc or 250vac
    Digital opto isolated inputs - 8
    Power - Universal input: 90 – 264Vac, 47-63Hz
    Control interface - Modbus RTU over RS485. 

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