Product Description:

The CSH01.1C-S3-ENS-EN2-MD2-S1-S-NN-FW is a modular controller section manufactured by Bosch Rexroth Indramat for the CSH Advanced Controllers series. Installed in IndraDrive amplifiers, the module executes motion commands, processes fieldbus data, and links encoder feedback to the power stage, thereby coordinating servo axes in industrial automation lines, packaging equipment, and assembly stations. Its design combines real-time communication, local analog channels, and integrated safety resources within a single plug-in slot. Because it serves as the controller section rather than the power stage, it manages command handling and feedback processing while the amplifier supplies motor current to the connected axis.

The analog subsystem presents an input resistance of 160 kΩ, limiting the load on external sensors while preserving signal fidelity. Each analog input is digitized with a resolution of 1.23 mV/inc, enabling fine adjustment of setpoints such as torque or speed. Corresponding analog outputs refresh at 19.5 mV/inc, giving the drive a predictable step size when it regenerates process values for downstream devices. For position acquisition, the En2 supply can deliver up to 350 mA, which is sufficient for multiturn or high-resolution encoders connected through the dual interfaces: IndraDyn or Hiperface on channel 1, and EnDat 2.1, 1 Vpp, or 5 V TTL on channel 2. The control bus uses Sercos III, allowing deterministic exchange of cyclic data between the controller and higher-level PLCs.

Encoder power is stabilized at 5.0 V, and the feedback lines can extend to 75 m when sense conductors are used or 50 m without them, giving added flexibility in large machine layouts. The MD2 extension provides 16 digital inputs plus an equal number of transistor outputs for fast onboard interlocking, while a relay rated at 24 V DC / 1 A switches auxiliary circuits. Functional safety is implemented through Safety Technology I/O, letting the drive meet stop or safe-torque-off demands without external relays. Network traffic moves through shielded RJ-45 (8-pin) ports that support either ring or line topologies, which helps the module fit a range of machine network layouts.