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CytroPac | Product information
Fields of application
Low noise level
Cost-effective operation
Various configurations
Parameter adjustment
during running time
Space-saving installation
Bosch Rexroth AG, Edition 07.2022, RE 51055-B
5 Product information
5�1 Performance description
The CytroPac is a compact drive system (smaller oil tank, cooling system) for
hydraulic machines and particularly machine tools and assembly lines under limited
space conditions.
The CytroPac is particularly quiet due to plastic enclosure of all noise sources.
The frequency converter of the variable speed pump drive ensures dynamic adjustment
of the power/speed and the flow to current requirements to reduce the operating
costs.
In "Basic" configuration, the filling level, temperature and filter contamination
sensors must be wired by the customer for evaluation via the customer-side machine
control system.
In the "Premium" and "Premium M12" configurations, the frequency converter serves
as sensor node and bundles all measured values of filling level, temperature and
filter contamination sensors and forwards these values via a multi-Ethernet interface,
e.g. Sercos or PROFINET, to the machine control system. This ensures reading of
all parameters required for condition monitoring. The CytroPac can thus be easily
integrated in Industry 4.0 applications. The status of the hydraulic power unit is also
indicated via the integrated LED strip.
For information on the meaning of the LED signals,
see chapter 10.3 "Warning devices".
In the "Premium" and "Premium M12" configuration stages, the higher-level machine
control unit can change the pressure command value during the running time.
The new settings are automatically implemented by the hydraulic power unit via the
frequency converter.
In "Premium" and "Premium M12" configurations, all sensors and the motor in the
hydraulic power unit are wired to the frequency converter. For this reason,
only the following interfaces are required at the hydraulic power unit:
• Interface for feed-in/voltage supply (12X1)
• Interface for 24 VDC power supply, messages, if necessary enable signal and
starting of functions (15X1)
• Hydraulic connection/oil drain
• Connection to the cooling water supply
• Multi-Ethernet interface ("Premium" and "Premium M12" only, 21X1, 21X2)
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