KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW Bosch Rexroth Indramat
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MPN: R911325513
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The Bosch Rexroth Indramat KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW is a near-motor servo drive from the KMS Electronic Drives series with a protection level of IP65 and mass of 2.40 kg. It has a DC bus voltage of 750 volts DC and supports a rated input current of 7.3 amps. The drive uses natural convection cooling and supports SERCOS (RS422) for master communication.
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Product Description:
The KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW is a near-motor servo drive produced by Bosch Rexroth Indramat for the KMS Electronic Drives series. Mounted directly on the machine frame, it closes the distance between inverter and actuator, trimming panel wiring and lowering radiated noise. Within an automation cell, it converts the shared DC link into controlled three-phase power so the associated servo motor can follow SERCOS position commands with deterministic timing. This arrangement keeps the power electronics close to the axis, which helps simplify decentralized machine layouts and reduces the length of motor wiring between the cabinet and the actuator.
This basic-level module communicates with the master through SERCOS (RS-422) and is energized by a DC bus of 750 V DC. A 0.02 mF capacitor buffers that link while natural convection removes internal heat. Continuous output at 4 kHz switching reaches 5.8 A, and momentary demand can climb to 17.7 A; a 25 A bypass path diverts current during short circuits. The inverter can synthesize frequencies up to 800 Hz, supporting high-speed rotors, and it provides 1 A for a holding brake. Motor leads may extend to 7.5 m, helping preserve signal quality in near-motor installations. Rated input draw is 7.3 A, and a KTY84 sensor supplies thermal feedback. The design omits an encoder interface, safety circuits, and additional options, concentrating on essential drive functions.
The cast housing carries an IP65 protection level, resisting dust ingress and water jets in decentralized layouts. Despite that sealing, the unit weighs only 2.40 kg, which helps limit the load added to moving axes or machine frames. Switching edges are limited to 5.00 kV/µs, reducing insulation stress on connected cables and windings. Steady-state loss does not exceed 50.00 W, so forced airflow is unnecessary and natural convection remains suitable for cooling. The enclosed housing also supports machine-side installation where the drive is exposed to water spray or airborne dust rather than protected inside a control cabinet.
Frequently Asked Questions about KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW:
Q: What is the protection level of the KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW servo drive?
A: The KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW has a protection rating of IP65, ensuring it is dust tight and protected against water projected from a nozzle.
Q: What master communication protocol does the KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW support?
A: This servo drive uses the SERCOS (RS422) interface for master communication.
Q: What is the maximum output current (4 kHz) capability of the KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW?
A: The maximum output current at 4 kHz for this drive is 17.7 A.
Q: What cooling method is utilized in the KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW servo drive?
A: Natural convection is used for cooling the KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW, requiring no external cooling devices.
Q: What is the maximum allowable motor cable length for the KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW?
A: The KMS01.2B-A018-P-D7-SE-NNN-NN-NN-FW supports a maximum motor cable length of 7.5 meters.
