The manual for this series highlights several core functions necessary for hydraulic pump management:

– You can download the PDF from Bosch Rexroth’s official website (under “Service & Support” → “Documentation” → search for “PQI-RKP”). You may need the exact material number (e.g., R911...).

. It acts as the "brain" for the pump, translating electronic command values into precise mechanical action. Controls the swivel angle (flow) and pressure of the pump.

Rexroth frequently updates their documentation. To ensure you have the right version, look for the Material Number (MNR) on the card's faceplate (e.g., R901xxxxxx). Bosch Rexroth Media Directory Search for or the specific code like (a common card associated with these pumps). section if your equipment is more than 10 years old.

Due to variations in cable length, the zero point often requires re-adjustment via the "Zx" potentiometer on the front plate.


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