CSB02.1B-ET-EC-EC-SB-DA-NN-FW Bosch Rexroth Indramat
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MPN: R911391454
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The Bosch Rexroth Indramat CSB02.1B-ET-EC-EC-SB-DA-NN-FW is part of the CSB Drive Controllers series and comes with 11 digital inputs, 5 configurable digital I/O, and 2 analog outputs at 14-bit resolution. It features a Multi-Ethernet communication interface, two RJ-45 8-pin Ethernet ports using the 100Base-TX standard, and supports two multi-encoder interfaces with a 6 W encoder power budget. The controller also provides Safe Motion Bus technology for enhanced safety.
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Product Description:
The CSB02.1B-ET-EC-EC-SB-DA-NN-FW is a drive controller manufactured by Bosch Rexroth Indramat within the CSB Drive Controllers series. It combines power stage electronics with axis control logic to govern servo and spindle drives in industrial automation cells. A built-in Multi-Ethernet communication interface links the unit to supervisory PLCs and SCADA systems, allowing deterministic motion commands and status feedback over common factory networks. This arrangement supports coordinated control where several machine functions must exchange data quickly and remain synchronized during operation.
Two analog outputs feed external actuators with voltage converted at a 14 bit resolution for fine reference generation. The controller accepts 11 digital inputs for limit switches or sensor flags and offers five configurable digital I/O points for adaptable control tasks. High-side drivers can source up to 500 mA per digital output, while an internal relay supports loads up to 1000 mA. Position capture uses a probe pulse width of 4 µs to latch encoder positions during fast events. Dual encoder sockets follow a multi-encoder protocol, and the pair draws up to 6 W from the controller’s encoder power budget. Physical network wiring terminates on an RJ-45, 8-pin connector, and additional field wiring passes through analog output terminals, sensor supply rails, and dedicated fast inputs. This mix of interfaces allows the controller to process local signals and motion feedback without relying on separate interface modules.
The unit also has 3 analog inputs that sample external process variables for closed-loop regulation. Downline devices are daisy-chained through 2 Ethernet ports that operate on the industrial 100Base-TX standard, which can reduce the need for extra switching hardware inside the cabinet. Functional safety is integrated through the Safe Motion Bus, which carries STO, SS1, and safe speed data without additional relays. This lets the controller support compact machine layouts that require coordinated axis behavior and streamlined panel wiring.
