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MK110 Input and Output Modules (DI/O, Modbus RTU/ASCII, RS485)

SKU: MK110 (DI/O)
The MK110 DI/O series by akYtec presents a sophisticated lineup of digital input/output expansion modules, working with Modbus RTU/ASCII protocol and RS485 interface, meticulously crafted to deliver versatility and efficiency in various automation systems. These modules are tailor-made for a broad spectrum of industrial applications, providing a dependable and adaptable solution for system expansion and control.


8 digital inputs, 4 digital outputsNPN input typeRelay output typeRS485 interfaceModbus RTU/ASCIIAmbient temperatureDIN rail mountingWall mounting

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Product Description
    Details
    Product Description

    The MK110 DI/O series by akYtec presents a sophisticated lineup of digital input/output expansion modules, working with Modbus RTU/ASCII protocol and RS485 interface, meticulously crafted to deliver versatility and efficiency in various automation systems. These modules are tailor-made for a broad spectrum of industrial applications, providing a dependable and adaptable solution for system expansion and control.

    Key Features of the MK110 Series:

    • Hybrid Input/Output Functionality: Modules within the MK110 series, such as the MK110-24.8D.4R, offer a unique blend of 8 digital inputs and 4 digital outputs. This innovative design allows seamless connection and control of diverse peripherals and actuators, making them invaluable for handling complex automation tasks.
    • Advanced Capabilities: The MK110 series boasts advanced features including pulse counting, pulse-width modulation, and network status diagnostics. These capabilities enhance their suitability for a wide range of operational environments. The pulse counter function is optimized for high-frequency operations, ensuring precise measurement and control.
    • Modbus Protocol Compatibility: These modules are fully compatible with both Modbus-RTU and Modbus-ASCII protocols. Equipped with automatic protocol identification, they effortlessly integrate into Modbus networks, streamlining communication in your automation system.
    • Efficient Network Topology: Designed for RS485 network communication in half-duplex mode, the MK110 series modules adhere to linear (bus) topology. This ensures efficient data exchange in extensive network setups, maintaining seamless connectivity among devices.

     

    Application Versatility:

    • Industrial and Building Automation: With their robust construction and flexible input/output options, the MK110 series finds its ideal applications in diverse industrial settings and building management systems, enabling precise process control and automation.
    • Cost-Effective System Expansion: Offering an economical solution for system expansion, the MK110 series eliminates the need for additional bus couplers or power supply units. This cost-effectiveness makes them equally suitable for small-scale upgrades and large-scale system integrations.

     

    Available modifications

    Available modifications:

    Feature

    MK110-24.8D.4R

    General

    Power Supply

    24 (20...28) V DC

    Power Consumption, Max.

    6 W

    Digital Inputs

    8

    Type

    Switch contact, NPN

    Galvanic Isolation

    None

    Insulation Strength

    1500 V

    Pulse Frequency, Max.

    1 kHz

    Pulse Width, Min.

    0.5 ms

    Current, Max.

    7 mA

    Lead Resistance, Max.

    100 ohm

    Digital Outputs

    4

    Type

    Relay

    Permissible Load

    4 A, 250 V AC cosϕ > 0.4 or 24 V DC

    Communication

    Interface

    RS485

    Protocol

    Modbus RTU / ASCII

    Baud Rate

    2.4...115.2 kBit/s

    Environment

    Ambient Temperature

    -20...+55 °C

    Storage Temperature

    -25...+55 °C

    Humidity

    Up to 80%, non-condensing

    IP Code

    IP20

    Enclosure

    Dimensions

    63 x 110 x 75 mm

    Weight

    Approx. 260 g

    Material

    Plastic
Additional Information
FAQ

    FAQ

    How many modules can be connected to the RS485 interface?
    Without using repeaters, up to 32 modules can be connected to one RS485 interface, the length of the communication line between the devices must not exceed 1200 metres.
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    Total rating: 5.0

    Are Mx110 modules compatible with third-party PLCs?
    The modules are compatible with third-party PLCs if the PLC supports ModBus RTU or ASCII protocols.
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    Total rating: 5.0

    What equipment is required to configure the module?
    To configure the module you will need the RS485-USB interface converter IC4-M as well as the M110 Configurator software.
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    Total rating: 5.0

    I have forgotten the module network settings. How can I find them?
    It is necessary to set the "Factory settings" jumper in the module (its location can be found in the module's manual). After that in the Configurator it is necessary to select "Factory settings".
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    Total rating: 5.0

    Is there a possibility to disconnect the terminal block?
    Yes, terminal block for I/O connections is removable and enables quick and easy replacement of the device.
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    Total rating: 5.0

    Are circuits galvanically isolated?
    Some devices from Mx110 product line have galvanic isolation, which is performed differently for each model and in groups, such as power supply, inputs/outputs, interfaces and housing.
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    Can the integrated voltage source of a PR200-230.X.X be used to feed a Mx110 module?
    No, this voltage source cannot be used to feed a Mx110 module because it doesn’t provide enough current (max. 100 mA).
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    In which numeral system should the register address be written, decimal or hexadecimal?
    The register address has to be written in decimal.
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    How does the Modbus register work and why is it in hexadecimal (3x0000 to 3xFFFF)?
    Modbus registers are typically 16-bit values, used to store and exchange various types of data, such as sensor readings, control parameters, status information, etc. These registers are represented in a hexadecimal format and organized in a range from 0x0000 to 0xFFFF, which covers 65,536 possible values. The 16-bit format is common in industrial control systems because it provides a good balance between precision and data size. Hexadecimal representation of binary data is more compact, efficient and offers better readability for 16-bit values than binary or decimal, as each hexadecimal digit represents four binary bits. Hexadecimal values also align neatly with bytes. In a Modbus register, each byte is represented by two hexadecimal digits, making it easier to work with when dealing with byte-oriented communication protocols. Hexadecimal representation is consistent with the way data is displayed and configured in industrial control systems and related software. The "3x" in "3x0000 - 3xFFFF" refers to the Modbus function codes. In Modbus, function codes 3 and 4 are used for reading and writing registers. The "x" in "3x" signifies that these registers are in the "holding registers" category. Holding registers are used to store data that can be read and written by external devices.
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    Does the MK110-24.8D.4R module support selection of the output triggering logic depending on the inputs state?
    Yes, the MK110-24.8D.4R modules support the internal logic of outputs triggering depending on the state of inputs.
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    What is the maximum permissible frequency a digital input of the MK110 INPUT AND OUTPUT MODULE can handle in case of using this input to read an impulse signal?
    Max. pulse frequency is 1 kHz.
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    What are voltage/current thresholds of MV110 DI?
    For MV110 Digital inputs: Max. current 8.5 mA (with 27 V) Logical „1“, min. 4.5 mA Logical „0“, max. 1.5 mA Based on our experience, in case a digital input of MK110 does not register the applied voltage/current, it is possible that the values on the output of the power generator are not enough.
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    Are the relay outputs of the MK110 INPUT AND OUTPUT MODULE suitable to control a power contactor?
    Permissible load is 4 A, 250 V AC cosϕ > 0.4 or 24 V DC.
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