CSB01.1C-PB-ENS-MA1-NN-S-NN-FW Bosch Rexroth Indramat
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MPN: R911307296
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The Bosch Rexroth Indramat CSB01.1C-PB-ENS-MA1-NN-S-NN-FW is part of the CSB Drive Controllers series and features a PROFIBUS-DP master interface. It includes two 12-bit differential analog input channels and two 12-bit analog output channels with a resolution of 5 mV per increment. The controller supports an encoder cutoff of 500 kHz and has a maximum switching frequency of 8 kHz.
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Product Description:
The CSB01.1C-PB-ENS-MA1-NN-S-NN-FW control section is manufactured by Bosch Rexroth Indramat for the CSB Drive Controllers series. Mounted on a modular power and inverter base, the card functions as the closed-loop command processor that links feedback devices and host automation networks to the drive’s power electronics. Within an industrial automation cell, it translates position commands, supervises current regulation, and enables coordinated multi-axis motion for indexing tables, pick-and-place gantries, and conveyor systems. This arrangement keeps feedback processing and network communication on the same control platform.
The board offers two analog reference inputs that are digitized by a 12-bit ADC across 2 differential channels, allowing precise voltage or current setpoints to be captured with reduced noise coupling. For actuation, it feeds the drive electronics by means of two analog outputs, and the digital-to-analog converter resolves each step at 5 mV/inc for fine torque trimming. Its control loop executes every 125 µs, which aligns with a maximum pulse-width modulation carrier of 8 kHz so current commands remain synchronized with the power stage. All parameter data and diagnostics are exchanged over the PROFIBUS-DP interface, permitting deterministic communication with PLCs and HMI stations. This timing helps the drive respond smoothly to changing references during speed and position corrections.
Signal integrity is supported by a 70 dB common-mode rejection rating on the input stage, while fast encoder channels accept feedback frequencies up to 500 kHz. A drive-ready circuit is provided, and its relay contacts are rated at 24 VDC, 1 A for direct interlock with safety chains. The internal bus repeater is supplied at +5 VDC, 75 mA for cascading multiple axes, and service access is available through an asynchronous port that reaches 115 kBaud. TTL command lines can also be scanned at 400 kHz for edge-triggered inputs, and the encoder supply rail provides 11.6 VDC with up to 500 mA available for connected feedback devices. These interfaces let the card handle feedback, permissive signals, and serial service communication on the same control platform.
Frequently Asked Questions about CSB01.1C-PB-ENS-MA1-NN-S-NN-FW:
Q: What type of master interface does the CSB01.1C-PB-ENS-MA1-NN-S-NN-FW drive controller use?
A: The CSB01.1C-PB-ENS-MA1-NN-S-NN-FW is equipped with a PROFIBUS-DP master interface for communications.
Q: How many analog input channels and what resolution does the CSB01.1C-PB-ENS-MA1-NN-S-NN-FW offer?
A: This controller provides two 12-bit differential analog input channels for precise measurements.
Q: What is the maximum switching frequency supported by the CSB01.1C-PB-ENS-MA1-NN-S-NN-FW?
A: It features a maximum switching frequency of 8 kHz for its internal operations.
Q: What are the rated specifications for the ready relay on the CSB01.1C-PB-ENS-MA1-NN-S-NN-FW?
A: The unit's ready relay is rated for 24 VDC at 1 ampere, suitable for enabling external signals.
Q: What encoder supply voltage and current does the CSB01.1C-PB-ENS-MA1-NN-S-NN-FW provide?
A: The encoder supply provides a typical output of 11.6 VDC and supports up to 500 mA of current.
