Products & Solutions / Machine control / I/O-units

I/O units

Different modules contribute to the management and control of mobile working machines with varying complexity and needs. Centralised or de-centralised control systems, a wide spectra of machine functions that shall be managed as well as the handling of different distribution needs make the machine network subject to numerous demands.

I/O-units (input/output units) constitute the logical extension to and the modular expansion of the control units. They expand the number of inputs and outputs,
or offers special functions. Via CAN-bus, the cable wiring and harnesses can be simplified and minimised in the mobile working machine. The I/O-units are placed close to the actuators and sensors they shall serve, where the position in the machine can be set via specific hardware codes and each I/O-unit’s configuration can be done via software.

The I/O-units within DRIVE are designed to meet the highest requirements with regards to reliability, modularity and long accessibility. Below please find an overview of the I/O-units we are offering, that cover all your needs from Functional Safety (SIL2/PLd) to less demanding applications. 

Smart and safe

In systems design it is important to carefully consider and analyse which system architecture that is the most appropriate for the machine in question and its applications. Are you optimising on system cost or flexibility and scalability? Perhaps the answer lies somewhere in between.

In addition to the question on centralised vs de-centralised system architecture, there is the important question on whether there are additional needs for Functional Safety. If yes, there is more to consider than just selecting a compliant controller plus flexible and safe I/O-units. You also need to review and document your development process such that you have a structured process in place to maximise the total system’s efficiency and performance over its entire lifecycle.

Regardless of which strategy is needed in your particular case, the team at Dasa gladly supports you with both competence and the right hw/sw modules that you need.

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dESX 3IOS, a 32-bit I/O expansion module

The dESX-3IOS is expanding the logical functionality in high performing, safety critical control systems.
Here you will get a robust and safe expansion module for demanding applications within forestry, agricultural, construction and material handling machines. It offers 16 inputs and 14 outputs, which among many other things can handle loads of up to 12A. The dESX 3IOS supports Functional Safety (SIL2/PLd) and CANopen Safety.

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d5IO12

I/O-unit with 12 programmable inputs or outputs.
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d5IO48

Intelligent I/O-unit with 48 analogue/digital inputs and 48 low-power outputs.
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d5IO12D

I/O-unit with 12 programmable digital inputs or low-power outputs for analogue DC - Danfoss.
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d5IO12R

I/O-unit with 12 programmable digital inputs or outputs. Outputs can supply 5A each.
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dESX IOX, a small and robust I/O expansion module

The dESX IOX offers a combination of up to 28 in-/outputs in a compact housing that is easy to mount in your machine. Here you can flexibly choose how you want to configure each in- and output to meet the needs you have in your application.

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dESX MBC, a 32-bit I/O expansion module for higher power outputs

The dESX MBC is a J1939 supporting module for controlling electrical engines and other high current actuators in the power range of up to ca 200W, which is well suited to tough demands in forestry, agricultural and contruction equipment applications. The module offers four fast PWM half bridges (each handling 10A) with current measurement and two additional digital power outputs (each handling 4A). Each pair of half bridges, and one digital output, are managed via a separate safety relay (max 15A). The dESX MBC includes four multi-functional inputs, one identifier input, one low power digital output and a stabilised power supply for sensors. All analogue signals are measured with 12-bit resolution.