APOW-01C ABB Bailey

APOW-01C ABB Bailey Analog Output Modules

Product  Description：

• • • • • • The APOW-01C is an internal component typically found in large frame size ACS800 drives. It is a multi-output switching power supply (SMPS) board. Its primary role is to take power from the drive's intermediate DC circuit and provide isolated power to the Main Control Board (RMIO), the gate driver boards, and any installed option modules. The "C" in the designation often refers to a specific hardware revision or coating (such as conformal coating) intended to protect the circuitry against dust, moisture, and corrosive chemicals common in industrial environments.

            Product Parameters

            • Product Type: Power Supply Board

            • Series Compatibility: Exclusively designed for the ABB ACS800 Drive range (typically Frames R7, R8, and larger).

            • Input Voltage: Draws power from the DC bus, typically ranging from $450 \text{ VDC}$ to $1100 \text{ VDC}$ depending on the drive rating.

            • Output Voltages: Generates multiple isolated DC rails, including $+24 \text{ V}$, $+15 \text{ V}$, $-15 \text{ V}$, and $+5 \text{ V}$ for internal logic.

            • Ambient Operating Temperature: Rated for operation up to $50\text{°C}$ within the drive enclosure.

            • Safety Standards: Meets CE and UL requirements for integration into power conversion equipment.

            • Protective Features: Includes short-circuit protection and over-voltage protection on the secondary output side.

            Product Advantages

            A major advantage of the APOW-01C is its Integrated Protection Logic. It is designed to safely shut down the drive's control electronics in the event of a catastrophic DC bus failure, preventing damage to the more expensive control boards. The High Isolation Voltage between the high-power DC bus and the low-power control signals ensures operator safety and prevents electrical noise from interfering with the drive’s logic. Additionally, the Conformal Coating on the "C" version provides superior reliability in harsh "Heavy Industry" conditions, such as paper mills or wastewater treatment plants, where conductive dust might otherwise cause a short circuit. Its High Efficiency ensures that very little energy is wasted as heat, which is vital for the thermal management of the entire drive unit.

            Important Considerations and Precautions

            When handling or replacing the APOW-01C, the most critical precaution is the Discharge Time of the DC Bus. Even after the main power is disconnected, the drive’s capacitors can hold lethal voltages (over $600 \text{ VDC}$) for several minutes; always verify with a multimeter that the DC bus has dropped below $50 \text{ VDC}$ before touching the board. Because this board is an Electrostatic Sensitive Device (ESD), technicians must wear a grounded wrist strap during installation to avoid latent damage to the micro-components. Furthermore, ensure that all Ribbon Cables and Connectors are seated perfectly; a loose connection on a power supply rail can lead to erratic "Control Board Communication" faults or even cause the gate drivers to misfire, potentially damaging the IGBT power modules.

            Product Applications

            The APOW-01C is strictly used as a spare part or assembly component within ABB ACS800 industrial drives across various sectors.

            • Heavy Industry Fans and Pumps: Providing stable power for the control logic in large-scale HVAC and water pumping stations.

            • Metal Processing: Used in drives controlling rollers and tensioners in steel and aluminum mills.

            • Mining and Minerals: Supporting the high-torque drives used in conveyors, crushers, and grinders.

            • Marine Propulsion: Found in the propulsion and thruster drives of large vessels where reliability is paramount.

            • Pulp and Paper: Powering the synchronized drive systems that maintain precise paper tension throughout the manufacturing process.

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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