CDB01.1C-PB-NNN-NNN-NNN-NNN-L1-S-NN-FW Bosch Rexroth Indramat
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MPN: R911310274
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The Bosch Rexroth Indramat CDB01.1C-PB-NNN-NNN-NNN-NNN-L1-S-NN-FW is part of the CDB Control Units series and features a PROFIBUS-DP communication bus. It has a base inrush current of 6 Amps, a base power consumption of 9 Watts, and provides analog output up to 5 Volts with 19.5 millivolt resolution. The unit supports digital output currents up to 500 milliamps per channel and a total of 1000 milliamps, and includes a starting lockout safety function.
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Product Description:
The CDB01.1C-PB-NNN-NNN-NNN-NNN-L1-S-NN-FW control unit is manufactured by Bosch Rexroth Indramat and belongs to the CDB Control Units series. It is mounted on the drive controller front plate and functions as the master logic section that handles motion commands, bus traffic, and safety interlocks for automation lines. By supplying timed analog and digital signals, the unit coordinates servo axes, sensor feedback, and peripheral actuators in packaging, printing, and material-handling machinery.
Its analog channel delivers a maximum of 5 V, and each incremental change is resolved at 19.5 mV/inc, giving the downstream drive precise reference values for velocity or torque loops. Field communication is handled over PROFIBUS-DP, allowing cyclic telegram exchange with PLCs, while a separate RS232 diagnostic port is available for service access. The logic section draws only 9 W during normal operation, yet the power rail must tolerate a startup surge of 6 A due to capacitor charging. Two analog outputs, four digital outputs, and a cumulative 1000 mA sourcing capability are integrated, and probe inputs accept 3 mA while registering edges within 1 µs for high-speed positioning tasks.
During cycle execution, the individual digital channel can source up to 500 mA, and an onboard relay can switch loads up to 1 A DC for pneumatic valves or contactors. The initial energization window spans 60 ms, so upstream fusing must accommodate that pulse without nuisance trips. Serial service communication runs at 115 kBaud, enabling parameter retrieval without occupying the fieldbus. A 24 V, 3 mA control line engages the starting lockout circuit, and the dedicated safety logic prevents drive activation until this permissive is cleared. The PROFIBUS daughterboard consumes 2 W, leaving thermal margin inside the controller enclosure. These electrical limits affect wiring gauge, breaker sizing, and cabinet ventilation for the control section.
