CDB01.1C-SE-ENS-ENS-EN2-NNN-L1-S-NN-FW Bosch Rexroth Indramat
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MPN: R911308120
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The Bosch Rexroth Indramat CDB01.1C-SE-ENS-ENS-EN2-NNN-L1-S-NN-FW is part of the CDB Control Units series and uses SERCOS II control communication with a maximum rate of 16 MBaud. The unit features an analog output voltage of 5 V with a resolution of 19.5 mV per increment and supports a power consumption of 31 W at 24 V. It provides digital and ENS output currents of 500 mA, and has an inrush current of 6 A with a pulse width of 60 ms.
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Product Description:
The CDB01.1C-SE-ENS-ENS-EN2-NNN-L1-S-NN-FW is a plug-in module manufactured by Bosch Rexroth Indramat for the CDB Control Units series. Installed on Rexroth drive controllers, the board translates network commands, conditions feedback signals, and distributes auxiliary supply rails to encoder and sensor extensions. Its role in industrial automation is to link the motion control processor with external drives, safety interlocks, and higher-level PLCs so axis status and commands are exchanged in real time. By combining communication handling and feedback support on one board, the module reduces the need for separate interface hardware inside the drive assembly.
The module provides a single analog output with a resolution of 19.5 mV/inc, so each increment changes the channel voltage by that amount. The full-scale level for this channel is 5 V. For deterministic bus traffic, the board uses SERCOS II and can transmit telegrams at up to 16 MBaud, while a fallback RS-232 port supports local setup at 115 kBaud. Internal logic and transceivers draw power from the 24 V controller backplane, and the total demand is limited to 31 W. A dedicated starting-lockout input accepts 24 V signals and sinks 3 mA, and an inrush suppression network restricts surge duration to 60 ms when the unit is first energized.
Digital switching lines can source up to 500 mA, which is sufficient for contactors or optical indicators driven directly from the board. The ENS encoder supply delivers 11.6 V with a maximum load of 0.5 A, and the secondary EN2 rail supplies 5.0 V at 350 mA for TTL feedback devices. These supply outputs allow the module to power encoder electronics and low-power external circuits without adding a separate supply board. When 24 V is applied to the backplane, the input filter initially draws an inrush of 6 A, so upstream fusing must be sized accordingly. A separate starting-lockout supply of DC 24 V rated at 1 A keeps safety circuits active even when the main logic is inhibited, allowing the drive to meet stop-category requirements.
Frequently Asked Questions about CDB01.1C-SE-ENS-ENS-EN2-NNN-L1-S-NN-FW:
Q: What communication protocol is used by the CDB01.1C-SE-ENS-ENS-EN2-NNN-L1-S-NN-FW control unit?
A: This model supports the SERCOS II protocol for control communication.
Q: What is the analog output voltage of the CDB01.1C-SE-ENS-ENS-EN2-NNN-L1-S-NN-FW?
A: The analog output voltage from this unit is 5 V, allowing for standard analog control output applications.
Q: What is the inrush current and pulse width specification for this control unit?
A: The control unit features an inrush current of 6 A with a pulse width of 60 ms during power-up.
Q: What is the maximum digital output current supported by this model?
A: Digital outputs can provide up to 500 mA current, suitable for interfacing with external devices.
Q: What is the maximum SERCOS communication rate for the CDB01.1C-SE-ENS-ENS-EN2-NNN-L1-S-NN-FW?
A: The maximum communication rate for the SERCOS interface on this control unit is 16 MBaud.
