R911200994 (RD51.1-4B-011-L-CF-FW)

RD51 Drive Control Devices

Rated 4.5 stars (7 total reviews)

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The Bosch Rexroth R911200994 (RD51.1-4B-011-L-CF-FW) is a vector control device equipped with a connection for a 24V external standby power supply and feedback structure for its associated current filter. Designed to operate effectively between temperatures of 0°C to 40°C, it interfaces with a broad spectrum of Bosch's induction and synchronous motors. The vector control possesses a four-line graphic display and uses Synchrolink or peer-to-peer coupling for efficient communication between multiple drives. Complying with EN 60529 specifications, it provides an IP20 level of protection. The unit, needing separate firmware purchase, only operates in its original state without hardware modifications and its storage necessitates a dry, clean, and dust-free environment. The device compromises on performance above 1,000m altitude and requires specific control cabinet mounting for efficient cooling. Additionally, it operates on high voltage, retains dangerous voltage for 5 minutes post-shutdown due to the DC link capacitors, and may endure damage with incorrect supply voltage.