Product Description:

The CSH01.1C-SE-EN2-NNN-MA1-L2-S-NN-FW is a control section produced by Bosch Rexroth Indramat for the CSH Advanced Controllers series. Mounted inside an IndraDrive power unit, this module forms the real-time command layer that issues setpoints, gathers feedback, and coordinates axis functions in automated machinery. It supports servo drives in packaging, printing, and handling equipment where precise position and torque loops are required. The board integrates fieldbus communication, analog expansion, encoder evaluation, and built-in safety so motion control and machine protection can be combined in one compact slot.

Control traffic is exchanged over SERCOS II, a deterministic fiber-optic ring rated for 16 MBaud, so position updates can be cycled in microseconds. The analog section delivers 12 bit accuracy, with 2 analog input channels that acquire reference voltages and 2 analog output channels that retransmit processed signals to external regulators. Seven-segment diagnostics rely on a 7.5 W base load, and the separate analog extension draws 2 W. An encoder socket supplies 5 V at up to 6 W and accepts EnDat 2.1 feedback, allowing absolute position values without external batteries. Typical inrush behavior remains outside the control electronics because the drive’s DC bus handles the initial charge.

For long-run installations, the fiber link may span 50 m without sense lines or 75 m with sense conductors that compensate for optical losses. Machine protection is handled by the integrated Safe Torque Off function; its logic receives commands at 24 V / 3 mA and drives an internal relay rated at 24 V DC / 1 A to interrupt gate firing. During power-up, the module draws a 4 A inrush pulse before settling to steady consumption. The 6-wire safety port leaves channels available while the encoder, analog, and base sections remain power segregated within the 2 W analog budget.