CDB01.1C-ET-EN2-EN2-NNN-NNN-L1-S-NN-FW Bosch Rexroth Indramat
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MPN: R911326949
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The Bosch Rexroth Indramat CDB01.1C-ET-EN2-EN2-NNN-NNN-L1-S-NN-FW is part of the CDB Control Units series and features an analog output resolution of 19.5 mV per increment. It supports output currents of 500 mA per channel and 1000 mA per group, while its relay contact is rated for 1 A at 30 V DC. The control unit provides a maximum RS232 cable length of 15 meters and supports a baud rate up to 115 kBaud.
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Product Description:
The CDB01.1C-ET-EN2-EN2-NNN-NNN-L1-S-NN-FW is a modular drive control unit produced by Bosch Rexroth Indramat for the CDB Control Units series. Mounted on IndraDrive power sections, this board interprets fieldbus commands, supervises feedback devices, and generates setpoint values, allowing precise speed, torque, and position regulation in multi-axis machinery used throughout automated production lines. It is intended for coordinated motion applications where the control section must exchange commands and feedback data with the power stage in real time. This arrangement allows the drive system to manage axis behavior consistently during positioning, synchronized movement, and speed-controlled operation.
Its analog differential output converts internal numerical values to a voltage with a resolution of 19.5 mV/inc, enabling fine adjustment of command signals to external instrumentation. Digital inputs treat anything below 5 V as off and regard 15 V as on, which helps reduce false triggering when long cables are used. The optional EN2 encoder interface draws 6 W, the ET Ethernet module needs 2.2 W, and the L1 safety option consumes 2 W. These values help size the 24 V auxiliary supply for the installed options. When the unit is energized, it momentarily demands an inrush of 6 A, so the upstream protection must tolerate that surge. Each output group can source 1000 mA, while the permitted cable length for the service RS-232 port extends to 15 m without signal conditioning.
For transient events, the supply capacitors charge within 60 ms, and snubber circuits absorb inductive load energy up to 400 mJ. Individual high-side drivers deliver 500 mA per channel, and turn-on verification is possible through a 4 µs probe pulse used by the service interface. Form-C relay contacts can switch 1 A DC at 30 V DC, allowing direct control of brakes or contactors. The asynchronous diagnostic interface reaches 115 kBaud, supporting rapid parameter transfers through the service connection. These electrical characteristics describe the board behavior during startup, switching, and diagnostic access.
Frequently Asked Questions about CDB01.1C-ET-EN2-EN2-NNN-NNN-L1-S-NN-FW:
Q: What is the analog output resolution of the CDB01.1C-ET-EN2-EN2-NNN-NNN-L1-S-NN-FW?
A: The analog output resolution on this model is 19.5 mV per increment.
Q: What is the inrush current specification for this control unit?
A: The maximum inrush current is 6 A, with a pulse width of 60 ms.
Q: How much output current does each channel support on this unit?
A: Each output channel can deliver up to 500 mA of current.
Q: How much power does the En2 module consume?
A: The En2 module operates at a power consumption of 6 W.
Q: What are the RS232 cable length and maximum baud rate for this product?
A: The RS232 cable can be up to 15 meters long and supports a maximum baud rate of 115 kBaud.
