CDB01.1C-SE-ENS-ENS-EN2-EN2-L1-S-NN-FW Bosch Rexroth Indramat
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MPN: R911308371
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The Bosch Rexroth Indramat CDB01.1C-SE-ENS-ENS-EN2-EN2-L1-S-NN-FW is a dual-axis control unit in the CDB Control Units series. It features SERCOS II communication, a base power consumption of 9 Watts, and supports EnDat 2.1, 1 Vpp, and 5 V TTL encoder signals. Safety features include a starting lockout function and a safety connector with a nominal input voltage of 24 V DC.
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Product Description:
The CDB01.1C-SE-ENS-ENS-EN2-EN2-L1-S-NN-FW is a dual-axis control card produced by Bosch Rexroth Indramat for the CDB Control Units series. Installed in modular drive stacks, this card coordinates feedback processing and power-stage triggering for connected servo drives. It also manages fieldbus communication so those drives can follow precise motion profiles in automated machinery. This layout suits compact multi-axis systems that need one control platform for paired servo channels.
The unit supervises 2 motion axes while drawing only 9 W of base power from the backplane, which helps keep cabinet thermal loads low. Commands and real-time diagnostics move over the deterministic SERCOS II fiber ring, allowing synchronous updating of position loops. Internal logic, I/O, and sensor power are derived from an external control supply of DC 24 V; during energization, the card can tolerate an inrush of 6 A for charging its input capacitors. The secondary EN2 feedback channel supplies 5 V to the encoder and can read EnDat 2.1, 1 Vpp, or 5 V TTL signals so the drive controller receives absolute position data immediately after startup. A separate ENS channel provides 12 V through a D-Sub 15 female connector for legacy resolvers or incremental encoders, eliminating the need for external power taps.
Functional safety is handled through a D-Sub 9 interface that accepts a 3 mA, DC 24 V input and activates the Starting Lockout feature when the guard circuit opens. For field devices, a form-C relay on the board can switch logic or brake circuits up to DC 24 V, 1 A with a maximum pulse duration of 60 ms, preventing contact wear during rapid cycling. Diagnostic access is offered through the built-in RS232 service port, enabling parameter uploads without occupying the main SERCOS channel.
Frequently Asked Questions about CDB01.1C-SE-ENS-ENS-EN2-EN2-L1-S-NN-FW:
Q: How many axes can the CDB01.1C-SE-ENS-ENS-EN2-EN2-L1-S-NN-FW control?
A: This control unit supports up to 2 axes for coordinated motion control tasks.
Q: What communication protocol is used by this CDB control unit?
A: The CDB01.1C-SE-ENS-ENS-EN2-EN2-L1-S-NN-FW uses SERCOS II for its control communication interface.
Q: What is the supply voltage and connector type for the ENS encoder interface?
A: The ENS encoder interface on this unit supplies 12 V power through a D-Sub 15 female connector.
Q: What safety function does the CDB01.1C-SE-ENS-ENS-EN2-EN2-L1-S-NN-FW provide?
A: This unit features a starting lockout safety function to prevent unintended startup.
Q: Which EN2 encoder signal types are compatible with this control unit?
A: Supported EN2 encoder signals include EnDat 2.1, 1 Vpp, and 5 V TTL.
