CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW Bosch Rexroth Indramat
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MPN: R911383961
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The Bosch Rexroth Indramat CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW is part of the CDB Control Units series and features SERCOS III control communication. It provides two EnDat 2.1 encoder feedback channels and supports analog output at 5 V and 1 mA. The unit has galvanic isolation for emulation and a base power consumption of 9 W.
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Product Description:
The CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW is a drive control unit built by Bosch Rexroth Indramat for the CDB Control Units series. It serves as the control section of an IndraDrive axis, managing motion commands, processing encoder feedback, and generating communication signals to the associated power stage. Inside industrial automation equipment, the module ensures that servo motors follow position, speed, and torque references with the required accuracy.
Communication to higher-level motion controllers is handled over SERCOS III, giving deterministic cyclic data exchange for multi-axis coordination. The base electronics draw 9 W, so cabinet thermal load remains low during standby. For local reference generation, the unit provides an analog output rated at 5 V, 1 mA, suitable for driving external set-point inputs or test equipment. Encoder signal conversion circuits are galvanically isolated, which helps prevent ground loops between motor feedback devices and the control backplane. When EnDat feedback is used, the sense leads can be routed up to 75 m from the drive without signal boosters, and the module reproduces position data as 2 × EnDat 2.1 / 1 Vpp / 5 V TTL formats so legacy and modern evaluation channels receive identical information.
The relay output can switch up to 30 V DC and carry 1 A DC, letting machine logic actuate brakes or status indicators without an external contactor. Parameter download and service diagnostics use the Mini-DIN RS-232 connector, and the port supports a sustained data rate of 115 kBaud for parameter transfer and runtime traces. The dedicated EN2 section requires 6 W and supplies the feedback transducers with a regulated 5 V source. Internal option areas also include a MEM memory module that consumes 2 W and an S3 safety module that consumes 1 W, allowing accurate thermal planning for multi-axis racks.
Frequently Asked Questions about CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW:
Q: What is the analog output specification on the CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW control unit?
A: The CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW offers analog output rated at 5 V and 1 mA for signal interfacing.
Q: What control communication protocol is supported by the CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW?
A: This model communicates via the SERCOS III protocol for control integration.
Q: Which encoder feedback types does the CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW accept?
A: Two feedback channels support EnDat 2.1, 1 Vpp, and 5 V TTL encoder signals.
Q: What are the relay contact ratings on the CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW?
A: The relay contacts are rated for 1 A DC and up to 30 V DC switching.
Q: How is emulation isolation achieved in the CDB01.1C-S3-EN2-EN2-NNN-MEM-NN-S-NN-FW?
A: Galvanic isolation is provided for emulation isolation on this unit.
