CSH02.1B-ET-EC-EM-NN-DA-NN-FW Bosch Rexroth Indramat
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MPN: R911379832
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The Bosch Rexroth Indramat CSH02.1B-ET-EC-EM-NN-DA-NN-FW is part of the CSH Advanced Controllers series and offers a Da analog output resolution of 24 mV per increment with an output time of 250 microseconds. It supports Da voltage input resolution of 14 bits, digital outputs up to 500 mA, and a module power rating of 2.7 W.
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Product Description:
The CSH02.1B-ET-EC-EM-NN-DA-NN-FW module is a control unit produced by Bosch Rexroth Indramat for the CSH Advanced Controllers series. Installed next to IndraDrive power sections, it converts PLC motion commands into high-resolution analog and digital signals so that multiple servo axes can be synchronized in real time. The controller also reads resolver, SINCOS, and SSI position data, making it a central component for precise positioning and speed regulation in automated machinery. By processing command and feedback paths in the same module, it supports coordinated axis motion without separate external interface hardware. This layout allows the drive system to react to changing load and position information with minimal delay during normal machine cycles.
The DA channel generates speed or torque references with a granularity of 24 mV per increment, and every new value is made available after just 250 µs. Upstream sources see an input resistance of 300 Ω when they supply current-mode commands, while voltage feedback lines reject common-mode noise by 50 dB. Converted feedback is handled at 14-bit resolution for closed-loop accuracy. Logic inputs treat 15 V as a high state, and the SINCOS encoder interface digitizes its sine channels at 12 bits, while the separate resolver converter also samples at 12 bits. The RS-422 transmitter can deliver 20 mA for differential encoder links, and the SSI port permits up to 10 nF of bus capacitance while streaming position words at 1 MHz.
The digital output stage can switch loads up to 500 mA, enabling direct actuation of contactors or indicator lamps. For velocity feedback, the sine interface includes an analog cutoff at 400 kHz. The square-wave channel handles edge rates to 1000 kHz, which supports high-speed incremental encoders. Overall consumption of the embedded Ethernet module is limited to 2.7 W, so cabinet thermal loading remains low. Separate encoder, analog, and discrete I/O functions are handled directly at the control unit, which helps keep wiring between command and feedback devices straightforward.
Frequently Asked Questions about CSH02.1B-ET-EC-EM-NN-DA-NN-FW:
Q: What is the analog output resolution specification for the CSH02.1B-ET-EC-EM-NN-DA-NN-FW controller?
A: The CSH02.1B-ET-EC-EM-NN-DA-NN-FW offers a DA analog output resolution of 24 mV per increment, enabling precise signal output.
Q: What is the voltage input resolution for analog signals on the CSH02.1B-ET-EC-EM-NN-DA-NN-FW?
A: This controller supports a DA voltage input resolution of 14 bits, providing detailed analog input processing.
Q: What is the maximum current rating for digital outputs on the CSH02.1B-ET-EC-EM-NN-DA-NN-FW?
A: The digital output current rating for this model is 500 mA, making it suitable for driving various digital loads.
Q: What is the adjustable square-wave frequency for the EC module on the CSH02.1B-ET-EC-EM-NN-DA-NN-FW?
A: The EC module within this unit supports square-wave frequency signals up to 1000 kHz.
Q: What is the power consumption of the ET module in the CSH02.1B-ET-EC-EM-NN-DA-NN-FW?
A: The ET module has a power consumption of 2.7 watts during operation.
