CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW Bosch Rexroth Indramat
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MPN: R911340352
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The Bosch Rexroth Indramat CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW is part of the CDB Control Units series and weighs 0.480 kg. This unit features 14 digital inputs, 8 configurable digital outputs, 2 analog inputs, and 2 analog outputs. It provides Multi-Ethernet communication, dual multi-encoder interfaces, and Safe Torque Off safety for two axes.
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Product Description:
The CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW is a dual-axis control unit produced by Bosch Rexroth Indramat within the CDB Control Units series. Mounted on the front of an IndraDrive power section, it contains the processing hardware that closes torque, speed, and position loops for two servomotor channels. In an automation cell, it translates fieldbus motion commands into drive-ready signals while collecting encoder, sensor, and diagnostic data for transmission to the main PLC. This arrangement lets one module supervise coordinated motion on two axes without requiring separate control cards for each motor channel.
This control card provides 14 digital inputs that accept fast on/off signals such as limit switches or homing probes. Another group of 8 configurable digital I/O terminals can each be set as an input or an output, allowing flexible assignment to machine functions. For proportional process variables, the board includes 2 analog inputs, and it can return scaled feedback through 2 analog outputs. System networking is handled by the Multi-Ethernet interface, which supports several real-time industrial Ethernet protocols on the same port. Logic circuitry remains energized from a dedicated 24 VDC control supply, so parameter memory and fieldbus communication stay active even when the main drive power is removed. This separation between control power and main power helps the unit retain communication and status handling during controlled shutdown conditions.
The enclosure stands 322.6 mm high, measures 49.5 mm wide, and extends 103 mm deep, enabling installation beside inverters without exceeding a single cabinet frame height. Despite the feature set, the module weighs only 0.480 kg, minimizing mechanical load on its mounting point. Each axis accepts position feedback over a Multi-Encoder Interface, while two auxiliary sockets issue encoder-emulation signals for downstream devices that need motion-related feedback. Functional safety is handled on the board; activating Safe Torque Off for either axis disconnects gate-drive pulses and removes motor power within milliseconds during an emergency stop. This makes the control unit suitable for machines that need integrated motion control and a direct safety shutdown function at the drive level.
Frequently Asked Questions about CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW:
Q: How many analog input channels are available on the CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW control unit?
A: The CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW has 2 analog input channels.
Q: How many digital inputs does the CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW provide?
A: There are 14 digital input channels included with this control unit.
Q: What type of encoder interfaces are featured for Axis 1 and Axis 2 on the CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW?
A: This model supports multi-encoder interfaces for both Axis 1 and Axis 2.
Q: What communication type is supported by the CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW control unit?
A: Multi-Ethernet communication is provided for versatile network connectivity.
Q: What safety function is integrated for each axis on the CDB02.1B-ET-EC-EC-EM-L3-L3-EM-NN-FW?
A: Safe Torque Off is included as the safety feature for both Axis 1 and Axis 2.
