CSH01.3C-PL-ENS-NNN-00D-L8-S-NN-FW Bosch Rexroth Indramat
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The Bosch Rexroth Indramat CSH01.3C-PL-ENS-NNN-00D-L8-S-NN-FW is a control unit in the CDB Control Units series. It features a parallel interface for communication, 16 parallel digital inputs and outputs, and a serial RS232 interface. The unit offers analog outputs of 5 V at 1 mA and digital outputs of 24 V at 0.5 A, and includes an Ethernet-based engineering interface.
Internal Product Review
The CSH01.3C-PL-ENS-NNN-00D-L8-S-NN-FW is a Bosch Rexroth Indramat control unit built for efficient automation integration with a Parallel Interface and an Ethernet-based engineering interface. ENS encoder evaluation paired with a D-Sub 15 female connector gives the unit a clean, technically sound feedback setup for motion control. A 400 kHz TTL input frequency stands out as a strong performance feature.
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Product Description:
The CSH01.3C-PL-ENS-NNN-00D-L8-S-NN-FW is a configurable control section supplied by Bosch Rexroth Indramat for the CDB Control Units series. Installed inside an IndraDrive modular inverter rack, the unit processes motion commands, field signals, and encoder feedback. These functions allow connected servo axes to follow programmed trajectories in automated machinery while keeping signal processing within the drive assembly.
During power-up, the control electronics draw an initial inrush current of 4 A, after which steady power consumption stabilizes at 8.5 W. Field sensors connect through voltage-sinking digital inputs rated at 24 V / 3 mA, while actuating devices such as contactors are driven by sourcing outputs rated at 24 V / 0.5 A. Analog transducers connect to an input stage with an impedance of 160 kΩ. Processed values can be retransmitted through an output channel that supplies 5 V / 1 mA. A parallel interface moves time-critical data between the drive and higher-level PLC hardware, and sixteen bidirectional lines permit the simultaneous reception and transmission of discrete states. Serial diagnostics are available through the RS-232 port, while an Ethernet-based interface supports parameterization and firmware loading without requiring removal of the unit from the cabinet.
High-resolution position feedback is accepted from encoders connected through a female 15-pin D-Sub connector, and the encoder supply provides 11.6 V with up to 500 mA available. The ENS evaluation circuit samples incremental or absolute tracks, allowing closed-loop regulation beyond standard speed control. When TTL markers are present, the counter section handles edge frequencies up to 400 kHz, making it suitable for fine-pitch linear scales or rotary encoders with high pole counts. Sixteen additional digital outputs return machine states to decentralized I/O islands. A matching set of digital inputs can be polled in parallel for deterministic event capture, helping the control section respond consistently to rapidly changing machine conditions.
