0 608 750 108 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat 0 608 750 108 is part of the LTU Servo Amplifiers series and supports a 230 VAC, 3-phase output voltage and current of 10 A. It operates with a 330 VDC input voltage, has a maximum output frequency of 1000 Hz, and allows for a maximum motor cable length of 100 meters. The unit features a 4-line display with 8 characters per line and includes X2 personnel safety and X3 spindle interfaces.
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Product Description:
The 0 608 750 108 is a module in the LTU Servo Amplifiers series produced by Bosch Rexroth Indramat. It is designed to drive synchronous or asynchronous servomotors by converting a regulated DC bus into controlled three-phase AC for positioning and speed loops in automated assembly lines. This allows the paired motor to handle regulated acceleration, steady running, and controlled deceleration in automated stations. Its role is to connect motion axes to higher-level PLCs while providing onboard status feedback through a four-line LCD, making it a compact drive element for industrial automation cells.
It accepts an input of 330 VDC at up to 10 A, then inverts this energy to deliver 230 VAC on a three-phase output for motor operation. The output frequency can reach 1000 Hz, which supports high-speed spindle or positioning tasks. This arrangement allows the unit to serve both servo axes and spindle-style applications where rapid speed changes are required. Pulse-width modulation helps reduce acoustic noise and motor heating, and dedicated X3 terminals provide a direct spindle interface for start, stop, and tachometer signals. The amplifier also supports an Ergospin switch set to position 2 so compatible assembly tools can use the same control profile.
A maximum motor lead of 100 m can be used without loss of commutation accuracy when shielded conductors are installed. Using shielded motor cabling also helps maintain stable operation in electrically noisy enclosures. Control wiring connects through the personnel-protection interface labeled X2, which allows e-stop chains to interrupt gate firing quickly. The PWM carrier is fixed at 12 kHz to balance switching loss and current ripple. Text feedback appears on four lines with 8 characters per line, allowing clear status messages and fault indications during operation.
