Product Description:

The KMS02.1B-A018-P-D7-ET-ENH-NN-TO-FW is a near-motor servo drive produced by Bosch Rexroth Indramat for the KMS Electronic Drives series. Positioned directly on the machine frame, it regulates phase power for decentralized axes so cabinet space and motor-cable length are both minimized. The unit integrates power electronics, logic, and network interfaces in one sealed housing to streamline motion control in assembly cells, material handlers, and packaging lines.

Under continuous load, the converter provides 6 A of phase current while its electronics consume only 17.5 W of control power. A cooling concept based on natural convection eliminates fans, which helps keep the unit simple in dust-prone areas. The internal DC link operates at 750 V DC; this voltage is supplied over the hybrid cable and is supported by film capacitance that limits voltage ripple. Logic supervision and field integration are handled through a Multi-Ethernet master port that supports several real-time protocols without additional hardware. Power dissipation is capped at 50 W, and the output slew capability reaches 5.00 kV/µs for short rise times during precise torque steps. Rated input current is 7.3 A, the performance level is Basic, design version 1 corresponds to the 02 family designation, and overall mass is 2.5 kg. An optional output coupling is available when the network topology requires it.

For brief accelerations, the inverter can deliver up to 18 A, providing margin above its continuous rating. A stored-energy value of 0.02 mF in the link capacitor supports this surge without external buffering. Position feedback from the motor is accepted through the Hiperface encoder interface, allowing automatic motor data reading and sine-cosine interpolation inside the drive. The enclosure carries an IP65 protection level, so the electronics resist water jets and dust ingress when exposed on moving carriages or robot wrists.