DIO280 BACHMANN

DIO280 BACHMANN Input module

Product  Description：

The DIO280 is a digital combined module that features 16 digital channels. The standout characteristic of this module is that each of the 16 channels can be independently configured as either an input or an output. This "programmable" nature allows system integrators to customize the I/O mix to the exact requirements of the machine without swapping hardware. It operates within the Bachmann M1 backplane, benefiting from high-speed data bus communication and integrated diagnostics. The module also features a front-facing status panel with LEDs for each channel, allowing for immediate visual verification of signal states.

Product Parameters

The technical specifications of the DIO280 focus on precision and industrial-grade reliability:

• Number of Channels: 16 channels, configurable as DI (Digital Input) or DO (Digital Output).

• Nominal Voltage: $24 \text{ VDC}$ for both inputs and outputs.

• Input Characteristics: Type 1 according to EN 61131-2, with a typical input current of $4 \text{ mA}$ at $24 \text{ VDC}$.

• Output Characteristics: High-side switching (source) with a maximum current of $0.5 \text{ A}$ per channel.

• Total Current: Maximum total current for the module is typically limited to $8 \text{ A}$.

• Galvanic Isolation: $500 \text{ V}$ isolation between the field circuitry and the internal bus logic.

• Update Rate: Fast internal bus response times, typically in the microsecond range, depending on the M1 CPU cycle.

• Connection Technology: Uses a 20-pin front connector for easy wiring and maintenance.

• Protection: Short-circuit proof and overload protected outputs.

Product Advantages

The primary advantage of the DIO280 is its Channel Flexibility. Because every pin can be an input or an output, a single module type can be stocked as a spare for various parts of a plant, reducing inventory costs. The Integrated Diagnostics capability is another major benefit; the module can detect short circuits, wire breaks (in specific configurations), and under-voltage conditions, reporting these directly to the CPU. The High Integration Density allows 16 channels to occupy a very slim footprint on the M1 rack, which is ideal for space-constrained control cabinets. Additionally, the Rugged Design ensures it can operate in extreme temperatures and high-vibration environments, such as wind turbine nacelles.

Important Considerations and Precautions

When deploying the DIO280, it is crucial to monitor the Total Output Current. While each channel can handle $0.5 \text{ A}$, the sum of all active outputs must not exceed the module's thermal or bus limits. Polarity Protection is built-in, but applying voltages significantly higher than $30 \text{ VDC}$ to the inputs can cause permanent damage.

Another consideration is Inductive Loads. When switching relays or solenoid valves, the flyback energy can cause wear over time; while the module has internal protection, external suppression (like diodes) is recommended for very high-frequency switching of inductive loads. Lastly, ensure that the Front Connector is fully seated and locked; a loose connection in a high-vibration environment can lead to intermittent signal loss which is difficult to diagnose.

Product Applications

The Bachmann DIO280 is found in specialized sectors that require high reliability and precise timing.

• Wind Energy: This is perhaps the most common application, where the DIO280 manages pitch control, yaw systems, and brake monitoring in wind turbines globally.

• Maritime and Offshore: Used in engine room monitoring, winch controls, and bridge automation systems due to its resistance to harsh conditions.

• Renewable Power Plants: Controlling the sequencing of solar trackers or managing the status of grid-tie inverters.

• Industrial Machinery: General automation tasks such as controlling pneumatic valves, reading limit switches, and interfacing with safety sensors in assembly lines.

• Heavy Duty Equipment: Managing the hydraulic and electrical logic in tunnel boring machines or large-scale mining equipment.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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