8I44S200055.000-1 B & R Automation
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The B & R Automation 8I44S200055.000-1 is an inverter from the 8I4 ACOPOS Inverters series with a nominal clock frequency of 4 kHz and a single mains phase. It features an RS485 serial interface and supports a maximum shielded motor cable length of 50 meters or 100 meters unshielded. The unit has a width of 72 mm, height of 130 mm, depth of 131.2 mm, and weighs 0.8 kg.
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Product Description:
The 8I44S200055.000-1 is an inverter module manufactured by B&R Automation for the 8I4 ACOPOS Inverters series. Within a machine cell it delivers variable-frequency power to an AC motor, allowing speed and torque control through the associated drive system. By converting the fixed mains supply into a pulse-width-modulated output, the unit supports precise motion sequences and energy-efficient operation in packaging lines, material-handling stations, and similar automated equipment. This operating method lets the connected motor respond smoothly to changing load and speed demands during routine production.
The housing measures 72 mm wide, 130 mm high, and 131.2 mm deep, so it occupies little rail space inside a control cabinet while still providing adequate surface area for thermal dissipation. Transport and installation are simplified by the mass of only 0.8 kg, which places minimal load on panel hardware. Internally, the power stage uses a nominal switching frequency of 4 kHz, which sets the pulse pattern applied to the motor and influences audible noise and current ripple.
Electrical integration relies on a single-phase supply with 1 mains phase, making it suitable for applications where only a standard line conductor and neutral are available. Command and diagnostic data pass through a built-in RS485 serial interface, enabling long cable runs and noise-immune communication with the motion controller. Motor leads can be routed up to 50 m when shielded, or up to 100 m when unshielded, giving flexibility in cabinet location versus machine layout. For fault clearing and protective coordination, the design withstands a prospective short-circuit current of 1000 A, so upstream breakers or fuses can be selected with adequate interrupting capacity.
Frequently Asked Questions about 8I44S200055.000-1:
Q: What is the maximum shielded motor cable length that the 8I44S200055.000-1 inverter supports?
A: The 8I44S200055.000-1 supports a maximum shielded motor cable length of 50 meters.
Q: How many mains phases are required for operating the 8I44S200055.000-1?
A: This inverter is compatible with single-phase mains connections.
Q: What is the nominal clock frequency of the 8I44S200055.000-1?
A: A nominal clock frequency of 4 kHz is supported by this inverter.
Q: What type of serial interface does the 8I44S200055.000-1 use?
A: An RS485 serial interface is provided with this model for device communication.
Q: What is the maximum short-circuit current supported by the 8I44S200055.000-1?
A: The maximum allowable short-circuit current for this inverter is 1000 A.
