BS204 BACHMANN

BS204 BACHMANN Input module

Product  Description：

The BS204 is an integrated power supply unit that also functions as the physical and electrical mounting point for the M1 system modules. It converts an external primary DC input into the specific internal voltages required for the bus and the attached modules. Beyond simple power conversion, the BS204 features intelligent monitoring capabilities, ensuring that the system remains stable even under fluctuating industrial power conditions. It is built to withstand the rigorous demands of energy, maritime, and heavy industrial sectors, characterized by its high vibration resistance and electromagnetic compatibility.

Product Parameters

• Input Voltage Range: $18 \text{ to } 34 \text{ VDC}$ (nominal $24 \text{ VDC}$), allowing for standard industrial battery or power supply tolerances.

• Output Voltages: Provides $5 \text{ VDC}$ and $15 \text{ VDC}$ to the internal backplane bus for module operation.

• Output Power: Delivers a maximum total power of $45 \text{ W}$ to the system bus.

• Inrush Current: Limited to a maximum of $8 \text{ A}$ to prevent tripping of upstream protective devices.

• Efficiency: Typically higher than $85\%$, reducing heat generation within the control cabinet.

• Isolation Voltage: $500 \text{ V}$ between the primary power input and the internal system electronics.

• Buffering Time: Includes internal capacitance to bridge short-term power dips of up to $10 \text{ ms}$ at full load.

• Status Indicators: Equipped with front-panel LEDs for "Power OK" and "Overload" diagnostic feedback.

Product Advantages

A primary advantage of the BS204 is its Extreme Reliability. Bachmann designs these units for a long service life in harsh environments, featuring a fanless design that eliminates a common point of mechanical failure. The Integrated Monitoring system is another benefit; it can detect undervoltage or overloads before they cause system-wide crashes, allowing for controlled shutdowns or alarms. The Compact Modular Design ensures that it takes up minimal space on the DIN rail while providing a rigid mechanical connection for all subsequent M1 modules. Additionally, the unit is Hot-Swap Capable (within specific system constraints), facilitating easier maintenance and reduced downtime during component replacements.

Important Considerations and Precautions

When installing the BS204, it is critical to ensure Correct Polarity of the $24 \text{ VDC}$ input, as reversed polarity can damage the unit or the connected modules despite internal protections. Total Power Consumption must be calculated carefully; the sum of the power requirements for the CPU and all I/O modules must not exceed the $45 \text{ W}$ limit of the BS204. If the power budget is exceeded, an additional power supply module must be integrated into the bus. Furthermore, users should maintain Adequate Ventilation space around the module; although fanless, it requires natural convection to dissipate heat. Lastly, ensure that the Backplane Connectors are clean and free of debris before mounting modules to prevent intermittent communication errors.

Product Applications

The Bachmann BS204 is a staple in high-end automation projects where system availability is non-negotiable.

• Wind Power Integration: Used as the primary power source for wind turbine controllers (GCP), managing pitch and yaw systems in remote onshore and offshore locations.

• Maritime and Offshore: Powering bridge control systems and engine room monitoring on ships, where vibration resistance is essential.

• Energy Grid Automation: Supporting telecontrol and substation automation units that require stable power for long-term autonomous operation.

• Industrial Machinery: Controlling large-scale plastic injection molding machines or metal processing lines that operate in high-temperature environments.

• Transportation: Used in rail applications for climate control and auxiliary power management systems.

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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