Product Description:

The CSH01.1C-SE-ENS-NNN-NNN-L1-S-K1-FW is a controller module produced by Bosch Rexroth Indramat for the CSH Advanced Controllers series. Installed in a Rexroth drive cabinet, the unit manages motion sequences, field signals, and safety lockout routines for servo axes in industrial automation lines. It uses the SERCOS II fiber-optic ring to exchange real-time position data with drives and higher-level control systems, allowing deterministic synchronization of multiple axes.

The module’s acknowledgment output can switch loads up to DC 24 V / 1 A, which is typically routed to a system relay that confirms the controller is ready for operation. Two analog monitor channels provide a sourcing current of 1 mA at a reference of 5 V, enabling direct connection to oscilloscope inputs or drive test points without external buffering. Internal electronics draw only 7.5 W, so cabinet thermal loading remains minimal. Digital status lines are rated for sink currents of 500 mA, allowing them to actuate indicator lamps or interposing solid-state relays. Communication with drives proceeds over a SERCOS bus running at 16 MBaud, while individual process images are refreshed within a maximum pulse width of 100 ms. The baseboard tolerates a group output load of 1000 mA distributed across all digital channels.

An encoder interface filters incoming differential signals at 500 kHz, and anything above that cutoff is rejected to preserve position accuracy. The line receivers present 120 Ω of input impedance, matching standard encoder cabling to minimize reflections, and the encoders are powered from a regulated rail of 11.6 V. At power-up, the module briefly draws 4 A of inrush current before settling to normal consumption. Start-up is governed by a Stop Category 0 lockout implemented through a D-Sub 9-pin female connector that expects a 24 V, 3 mA enabling signal.