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Multi-Channel RTU

  • RIO-MOD-RTU Relay I/O with Modbus/RTU

    For Direct Connection to Modbus Master PLC's and SCADA Systems


    The RIO-MOD-RTU is a Modbus Slave device which can be used as an RTU for any Modbus system. It is ideal for direct connection to Modbus Master PLC's or SCADA systems.

    The RIO-MOD-RTU is capable of providing 16 isolated relay outputs and 16 digital inputs. 32 indicator LED's are conveniently placed on the unit, ideal for commissioning and fault finding.

    Power supply
    24V DC ±15%
    Modbus type
    RTU slave device
    Slave addresses
    Up to 15 hardware selectable slave addresses, and 1 software selectable slave address
    Baud rate
    9600, 19200, 38400 or 115200 baud (hardware selectable)
    None or even (hardware selectable)
    Data bits
    Stop bits
    Supported Modbus function codes

    1 - Read single coils
    2 - Read single discrete inputs
    3 - Read holding register
    4 - read input register
    5 - Force single coil
    6 - Write single holding register
    15 - Force multiple coils
    16 - Write multiple holding register
    Digital I/O
    Digital inputs
    16 selectable digital inputs
    Input type select NPN (sink) or PNP (source). 1kHz Input sample rate. Input voltage 5–24V.
    Digital outputs
    16 isolated relay outputs
    Change over Form C (10A 250V AC or 10A 30V DC), 1kHz scan rate. Software selectable relay state. Relay auto shutoff feature.
    35mm DIN rail case
    Dimensions (H x W x D)
    2.3 x 10.0 x 5.7" (59 x 255 x 144mm), with plugs in
    LED indication
    On each relay output and digital input channel

    RIO-MOD-RTU Manual RIO-MOD-RTU Manual 15V02, 09-Oct-2015 | (1321 KB)


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