CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW Bosch Rexroth Indramat
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MPN: R911328484
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The Bosch Rexroth Indramat CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW is part of the CSH Advanced Controllers series and supports single-axis control with SERCOS III communication. It offers 2 EnDat 2.1, 1 Vpp, and 5 V TTL encoder interfaces and has a base power consumption of 7.5 W. The controller features Safe Motion safety technology and a digital output maximum current of 500 mA.
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Product Description:
The CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW controller is produced by Bosch Rexroth Indramat for the CSH Advanced Controllers series. This single-axis module forms the command layer inside IndraDrive stacks, coordinating power stages and feedback loops for precise servo positioning in automated machinery. By combining SERCOS III communication with dual EnDat-ready encoder inputs, the unit delivers motion commands and high-resolution feedback within a compact card that slots into the drive rack. Its task is to translate programmable motion profiles into real-time signals that keep the connected axis synchronized with the broader automation cell.
The module provides analog signaling for fine control outputs. Each voltage channel can source up to 1 mA, and the step size of 19.5 mV/inc lets the drive stage receive smoothly graded commands without quantization artifacts. High-side digital outputs deliver 500 mA for brake release or valve actuation, so external interposers are not required. When power is first applied, an inrush of 4 A must be considered in fuse and supply sizing. Data travels across the SERCOS III interface, while the twin EnDat 2.1 / 1 Vpp / 5 V TTL ports accept absolute or incremental encoders. The axis remains single-channel, and the 100 ms maximum pulse width together with Safe Motion functions allow safety stops without additional relays.
Thermal load on the cabinet is minimal because the controller draws only 7.5 W during base operation. Discrete inputs register an ON state once the line reaches 15 V, matching typical PLC sources and reducing impedance-related errors. The secondary encoder supply labeled EN2 can drive sensors directly thanks to an output capability of 350 mA against a 35 Ω load. Setup and diagnostics are handled through the RS-232 service port, which permits transfers up to 115 kBaud across cables as long as 15 m. For simple machine-ready signaling, an onboard relay contact is rated at DC 24 V / 1 A, enabling drive-side fault forwarding or motor-contactor logic without external hardware.
Frequently Asked Questions about CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW:
Q: What control communication protocol does this controller use?
A: The CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW supports SERCOS III for control communication.
Q: How many axes can the CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW controller handle?
A: This model has a single-axis configuration for controlling one axis per module.
Q: What is the analog output resolution for this controller?
A: The analog output provides a resolution of 19.5 mV per increment.
Q: What types of encoder interfaces are included in the CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW?
A: This unit offers an encoder interface supporting 2× EnDat 2.1, 1 Vpp, and 5 V TTL.
Q: What safety technology is integrated into this controller?
A: The CSH01.1C-S3-EN2-EN2-NNN-S2-S-NN-FW features Safe Motion safety technology.
