Product Description:

The CSH01.1C-PB-ENS-EN2-NNN-NN-S-NN-FW option card is produced by Bosch Rexroth Indramat as part of the CSH Advanced Controllers series. It fits into an IndraDrive modular rack and provides bus, encoder, and relay interfaces required for coordinated axis control in industrial automation systems. By concentrating communication and sensor wiring on a single board, the card simplifies cabinet layout while allowing the drive to exchange real-time status data with higher-level PLCs and motion controllers.

This board communicates with the control network through PROFIBUS. The integrated transceiver supports a maximum transfer rate of 12 MBaud and uses a D-Sub 9-pin female connector. Four transistor outputs source up to 0.5 A each, and their digital values are refreshed inside the drive every 10 µs. For analog tasks, the card provides a converter that resolves voltage changes in increments of 19.5 mV/Inc, enabling tight correspondence between command values and actuator response. Encoder feedback enters through a D-Sub 15-pin female header linked to differential receivers. The secondary port labeled EN2 offers 120 Ω input impedance and draws 350 mA, so it can power bidirectional incremental encoders without external supplies. A matching impedance path is reserved for the ENS channel to equalize line loading when two traceable encoders are connected.

Service diagnostics are handled through the RS232 port that terminates on an 8-pin MiniDIN and streams data up to 115 kBaud. The primary encoder rail furnishes 12 V, while the secondary rail supplies 5 V, letting the controller accommodate mixed-voltage sensing schemes. A relay output rated at DC 30 V / 1 A is provided for hardware interlocks such as motor contactors or brake releases. This arrangement supports direct service access, mixed-voltage encoder connections, and hardwired interlock signaling without requiring separate interface hardware.