CDB01.1C-S3-ENS-ENS-EN2-EN2-L1-S-NN-FW Bosch Rexroth Indramat
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MPN: R911319653
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The Bosch Rexroth Indramat CDB01.1C-S3-ENS-ENS-EN2-EN2-L1-S-NN-FW is part of the CDB Control Units series and features SERCOS III for control communication. It includes a 24 VDC digital input/output nominal supply and supports ENS and EN2 encoder modules with supply voltages of 11.6 VDC and 5 VDC respectively. The unit offers an RJ-45, 8-pin S3 port type, a starting lockout safety option, and provides analog output at 5 V and 1 mA.
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Product Description:
The CDB01.1C-S3-ENS-ENS-EN2-EN2-L1-S-NN-FW is a plug-in control unit manufactured by Bosch Rexroth Indramat for the CDB Control Units series. Installed in an IndraDrive modular stack, it converts PLC commands into drive-level set points and collects feedback for coordinated multi-axis motion. By combining communication, safety, and sensor interfaces on one board, the module simplifies cabinet wiring and supports the deterministic timing required for precision industrial automation.
The board connects to higher-level controllers through the real-time bus SERCOS III, and its two S3 channels exit the front panel on a shielded RJ-45, 8-pin connector pair. Local discrete devices are powered from a nominal 24 VDC supply, and the onboard regulator can source up to 1.1 A for limit switches, relays, or light curtains. Parameter download and service diagnostics are handled by an integrated RS232 service port that operates independently of the motion bus. Two option slots are populated with ENS and EN2 encoder modules, enabling TTL, sine-cosine, and serial sensor formats to be processed without external adapters. A starting lockout circuit inhibits drive enable until all monitored inputs confirm a safe state.
The ENS module feeds resolvers and sine-cosine sensors with 11.6 VDC at up to 500 mA and accepts TTL edges up to 400 kHz. The EN2 section supports incremental encoders and provides a regulated 5 VDC rail at 350 mA, with reliable square-wave capture up to 1000 kHz. For analog feedback, a single channel delivers a calibrated output of 5 V / 1 mA, allowing the drive to forward torque values or temperature data to peripheral instruments. Dedicated supplies and option-specific filter networks help maintain signal integrity when encoder cables run alongside switching power conductors.
