Product Description:

The CSH01.3C-PB-EN1-EN2-CCD-L2-S-NN-FW is an IndraDrive control section from the CSH Advanced Controllers series manufactured by Bosch Rexroth Indramat. Within an automation cell, it occupies the drive slot next to the power section and executes position, velocity, and torque loops while exchanging data with the machine PLC over PROFIBUS. By combining resolver and encoder feedback channels on one board, the unit closes motor feedback loops and handles safe torque off monitoring without additional external hardware.

The module draws a base operating load of 8.5 W, so cabinet heat dissipation remains low during idle operation, yet a startup inrush of 4 A must be considered when sizing fuses and supply wiring. Its onboard digital outputs can source up to 500 mA in total, and an internal snubber absorbs 400 mJ of inductive energy to protect the transistors when driving coils or contactors. For high-resolution position feedback, the En1 resolver channel excites the transducer at 4 kHz with a sinusoidal amplitude of 18.2 Vpp, providing a stable carrier for analog angle detection. A Form C relay gives a galvanically isolated signal path that is rated for 30 VDC at 1 A, permitting straightforward connection to safety interlocks.

The secondary feedback port supplies incremental encoders with 5.0 V at up to 350 mA and expects a minimum line resistance of 35 ohms to maintain signal integrity. Output pulses for latch functions can be stretched to a maximum width of 100 ms, which allows slow external logic to register events without additional timers. Parameter downloads and diagnostics occur over an RS-232 service port that supports cable runs to 15 m, uses a Mini-DIN 8-pin female connector, and reaches transfer speeds of 115 kBaud. The safe torque off interface is presented on a D-Sub 9-pin female and is energized from a 24 VDC control supply that is routed separately from the drive power bus.