CSH02.1B-CC-EC-EC-L3-NN-NN-FW Bosch Rexroth Indramat
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MPN: R911377260
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The Bosch Rexroth Indramat CSH02.1B-CC-EC-EC-L3-NN-NN-FW belongs to the CSH Advanced Controllers series and features a Sercos III Master communication interface. This controller offers 11 digital inputs, 5 configurable digital I/O, and 2 analog outputs of ±10 V. It has STO safety technology and operates with a 24 V DC control supply.
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Product Description:
The CSH02.1B-CC-EC-EC-L3-NN-NN-FW is a motion-control hardware module released by Bosch Rexroth Indramat within the CSH Advanced Controllers series. It serves as the central processing unit in multi-axis drive systems, coordinating servo drives, collecting feedback, and executing real-time interpolation for industrial automation tasks. By combining fieldbus management and encoder support on one board, the unit simplifies cabinet layout and reduces wiring between higher-level control systems and individual drive amplifiers. This arrangement keeps command handling and feedback processing in one place, which supports consistent axis response during synchronized machine motion.
The controller draws its logic power from a DC 24 V supply, and its internal electronics dissipate only 17 W, which supports installation in compact enclosures with limited thermal headroom. The unit provides 11 fixed discrete input points for limit switches, sensors, or fault contacts. It also includes 2 analog outputs with a ±10 V signal range for velocity or torque references, which can be used for dual-loop control or external monitoring. The encoder supply can deliver up to 500 mA at 5 V for incremental or absolute feedback devices with higher idle current demand. Five configurable digital I/O channels and two probe inputs extend the interface set for handshake functions, triggers, and position-synchronous capture.
Functional safety is provided through STO (Safe Torque Off), which is activated through the X49 port to remove drive-enable signals during an emergency stop. Network communication is handled by a Sercos III Master interface, and the main communication lines connect through X24 P2, X25 P1. Optional Ethernet-based extensions can be added through X8 and X10, while service access uses the X26 port. Motor feedback wiring connects through a D-Sub, 15-Pin, Female connector on the front edge. This interface layout separates safety, feedback, and communication paths clearly, which helps keep signal routing organized inside the control cabinet.
Frequently Asked Questions about CSH02.1B-CC-EC-EC-L3-NN-NN-FW:
Q: What type of communication protocol does the CSH02.1B-CC-EC-EC-L3-NN-NN-FW support?
A: The CSH02.1B-CC-EC-EC-L3-NN-NN-FW controller uses Sercos III Master communication for high-speed real-time connectivity.
Q: How many digital inputs are available on the CSH02.1B-CC-EC-EC-L3-NN-NN-FW?
A: This controller features 11 digital input channels for connecting a variety of sensors and switches.
Q: What is the number and voltage range of analog outputs provided by the CSH02.1B-CC-EC-EC-L3-NN-NN-FW?
A: The unit provides two ±10 V analog outputs which can be used for analog signaling and control.
Q: What safety feature is implemented in the CSH02.1B-CC-EC-EC-L3-NN-NN-FW controller?
A: The CSH02.1B-CC-EC-EC-L3-NN-NN-FW includes Safe Torque Off (STO) safety technology, accessible via the X49 port.
Q: What is the required control supply voltage for the CSH02.1B-CC-EC-EC-L3-NN-NN-FW?
A: It requires a 24 V DC control supply for proper operation.
