Rexroth servo drive CSB01.1C-S3-ENS
LEHIY item code: LH-0016
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The Rexroth servo drive CSB01.1C-S3-ENS-NNN-NN-S-NN-FW is a Rexroth servo drive, also known as a "Rexroth servo controller," "Rexroth servo amplifier," or "Rexroth servo amplifier card." It's a Rexroth controller used to control servo motors.
The Rexroth servo drive functions similarly to a frequency converter for a regular AC motor, and is part of a servo system, primarily used in high-precision positioning systems. It typically controls the servo motor through position, speed, and torque to achieve high-precision transmission system positioning.
Rexroth servo drives are currently high-end products in transmission technology.
I. Introduction to Rexroth Servo Drives: Currently, most mainstream servo drives use a digital signal processor (DSP) as the control core, enabling complex control algorithms and achieving digitalization, networking, and intelligence. Power devices commonly employ drive circuits designed around Intelligent Power Modules (IPMs).
The IPM integrates the drive circuitry and includes fault detection and protection circuits for overvoltage, overcurrent, overheating, and undervoltage. A soft-start circuit is also added to the main circuit to reduce the impact on the driver during startup.
The power drive unit first rectifies the input three-phase power or mains power through a three-phase full-bridge rectifier circuit to obtain the corresponding DC power.
The rectified three-phase power or mains power is then frequency-converted by a three-phase sinusoidal PWM voltage-type inverter to drive a three-phase permanent magnet synchronous AC servo motor. The entire process of the power drive unit can be simply described as an AC-DC-AC process.
The main topology of the rectifier unit (AC-DC) is a three-phase full-bridge uncontrolled rectifier circuit.
With the large-scale application of servo systems, the use, debugging, and repair of servo drives are important technical issues in the field today, and more and more industrial control technology service providers are conducting in-depth research on servo drives.
II. Basic Requirements for Rexroth Servo Drives: Servo feed system requirements:
- Wide speed range;
- High positioning accuracy;
- Sufficient transmission rigidity and high speed stability;
- Fast response, no overshoot. To ensure productivity and machining quality, in addition to high positioning accuracy, good fast response characteristics are required, meaning a fast response to tracking command signals is necessary. This is because CNC systems sufficiently require large acceleration and deceleration during startup and braking to shorten the transition time of the feed system and reduce contour transition errors.
- Low speed, high torque, strong overload capacity. Generally, servo drives have an overload capacity of 1.5 times or more for several minutes or even half an hour, and can withstand overloads of 4 to 6 times without damage in short periods.
- High reliability. The feed drive system of CNC machine tools is required to have high reliability, good working stability, strong adaptability to environmental conditions such as temperature, humidity, and vibration, and strong anti-interference capabilities.
III. generally, DC servo motors are required to withstand 4-6 times overload within several minutes without damage.
IV. Rexroth Servo Drive Control Methods: Servo drive control in CNC machine tools can be divided into open-loop control and closed-loop (semi-closed-loop) control according to its structure.
In more detail, open-loop control can be further divided into ordinary type and feedback compensation type, and closed-loop (semi-closed-loop) control can also be divided into ordinary type and feedback compensation type.
[1] Feedback-compensated open-loop control has low accuracy because the step error, start-stop error and mechanical system error of the servo drive will directly affect the positioning accuracy.
It should be improved by using a compensation type, which has the advantages of both open-loop and closed-loop, namely the stability of open-loop and the accuracy of closed-loop.
It will not cause system oscillation due to the resonant frequency, creep, or loss of movement of the machine tool. Feedback-compensated open-loop control does not require gap compensation and pitch compensation.
Closed-loop control Since the accuracy of open-loop control cannot meet the requirements of the machine tool, the most fundamental way to improve the control accuracy of the servo drive is to adopt a closed-loop control method.
That is, there is not only a front-end control channel, but also a feedback channel for detection output. The command signal and the feedback signal are compared to obtain the deviation signal, forming a closed-loop control system with deviation control.
Semi-closed-loop control For closed-loop control systems, reasonable design can obtain reliable stability and high accuracy, but directly measuring the position signal of the worktable requires position detection devices with high installation and maintenance requirements, such as gratings, magnetic rulers or linear induction synchronizers.
By measuring the angular displacement of the drive shaft or leadscrew, an equivalent feedback signal of the position output can be obtained indirectly.
Since the error caused by this transmission cannot be automatically compensated by the closed-loop system (which does not include the transmission chain from the rotary axis to the worktable), this type of closed-loop control system composed of equivalent feedback signals is called a semi-closed-loop servo drive,.
and this control method is called semi-closed-loop control.
The feedback-compensated semi-closed-loop control servo drive operates on the same compensation principle as the open-loop compensation system, with two independent measurement systems consisting of a rotary transformer and an inductive synchronizer, both operating in amplitude discrimination mode.
The disadvantage of this system is its high cost and the need for two detection systems. Its advantages are easier adjustment and better stability compared to a fully closed-loop system, making it suitable for feed drives in high-precision large CNC machine tools.
The Rexroth servo drive CSB01.1C-S3-ENS-NNN-NN-S-NN-FW requires the accompanying FWA servo drive software for use.
LEHIY Industrial offers a wide selection of genuine German Rexroth servo drives: Brand: Bosch Rexroth IndraDrive Control Unit 1G CSB01.1C-S3-ENS-NNN-NN-S-NN-FW (R911313871) Reference R911313871 Type code CSB01.1C-S3-ENS-NNN-NN-S-NN-FW.
- R911313871 CSB01.1C-S3-ENS-NNN-NN-S-NN-FW Unit price: 11000 RMB Delivery: 18-20 weeks
- R911328706 FWA-INDRV*-MPB-07VRS-D5-1-NNN-NN Unit price: 4500 RMB Delivery: 18-20 weeks
- R911298374 HCS02.1E-W0028-A-03-NNNN Unit price: 7500RMB Delivery: 20-22weeks R911325243HCS01.1E-W0006-A-02-B-ET-EC-NN-NN-NN-FW R911325246HCS01.1E-W0008-A-03-B-ET-EC-NN-NN-NN-FW R911325245HCS01.1E-W0013-A-02-B-ET-EC-NN-NN-NN-FW R911331608HCS01.1E-W0018-A-03-B-ET-EC-NN-L4-NN-FW R911325247HCS01.1E-W0018-A-03-B-ET-EC-NN-NN-NN-FW R911331611HCS01.1E-W0028-A-03-B-ET-EC-NN-L4-NN-FW R911325248HCS01.1E-W0028-A-03-B-ET-EC-NN-NN-NN-FW R911331185HCS01.1E-W0054-A-03-B-ET-EC-NN-NN-NN-FW R911331605HCS01.1E-W0008-A-03-B-ET-EC-NN-L4-NN-FW R911331624HCS01.1E-W0013-A-02-B-ET-EC-NN-L4-NN-FW R911332723HCS01.1E-W0054-A-03-B-ET-EC-NN-L4-NN-FW R911325610FWA-INDRV*-MPB-16VRS-D5-1-ALL-NN R911333290FWA-INDRV*-MPB-17VRS-D5-1-ALL-ML R911333280FWA-INDRV*-MPB-17VRS-D5-1-ALL-NN R911333283FWA-INDRV*-MPB-17VRS-D5-1-NNN-NN R911333284FWA-INDRV*-MPB-17VRS-D5-1-SNC-NN HCS03.1E-W0070-A-05-NNBV R911308417 HCS03.1E-W0100-A-05-NNBV R911308419 HCS03.1E-W0150-A-05-NNBV R911308421 HCS02.1E-W0012-A-03-NNNN R911298371 HCS02.1E-W0028-A-03-NNNN R911298374 HCS02.1E-W0054-A-03-NNNN R911298373 HCS02.1E-W0070-A-03-NNNN R911298372 CSB01.1C-CO-ENS-NNN-NN-S-NN-FW R911312378 CSB01.1C-ET-ENS-EN2-NN-S-NN-FW R911327307 CSB01.1C-ET-ENS-NNN-NN-S-NN-FW R911326813 CSB01.1C-PB-ENS-NNN-NN-S-NN-FW R911305278 CSB01.1C-PL-ENS-NNN-NN-S-NN-FW R911307286 CSB01.1C-S3-ENS-EN2-NN-S-NN-FW R911315253 CSB01.1C-S3-ENS-NNN-L2-S-NN-FW R911328086 CSB01.1C-S3-ENS-NNN-NN-S-NN-FW R911313871 CSB01.1C-SE-ENS-EN2-NN-S-NN-FW R911305500 CSB01.1C-SE-ENS-NNN-NN-S-NN-FW R911305277 CSB01.1N-AN-ENS-NNN-NN-S-NN-FW R911305274 CSB01.1N-FC-NNN-NNN-NN-S-NN-FW R911305273 CSB01.1N-PB-ENS-NNN-NN-S-NN-FW R911305275 CSB01.1N-SE-ENS-NNN-NN-S-NN-FW R911305276 CSH01.1C-ET-ENS-NNN-NNN-S2-S-NN-FW R911328178 CSH01.1C-S3-EN2-NNN-NNN-S2-S-NN-FW R911328094 CSH01.1C-S3-ENS-NNN-NNN-NN-S-NN-FW R911312309 CSH01.3C-ET-ENS-NNN-CCD-NN-S-NN-FW R911327303 CSH01.3C-ET-ENS-NNN-CCD-S2-S-NN-FW R911328005 CSH01.3C-NN-ENS-EN2-CCD-NN-S-NN-FW R911326825 CSH01.3C-NN-ENS-NNN-CCD-NN-S-NN-FW R911328912 CSH01.3C-PL-ENS-EN2-CCD-NN-S-NN-FW R911327681 FWA-INDRV-MPB-05VRS-D5-1-NNN-NN R911318477 FWA-INDRV-MPB-05VRS-D5-1-SNC-NN R911318479 FWA-INDRV-MPB-07VRS-D5-0-NNN-NN R911328698 FWA-INDRV-MPB-07VRS-D5-1-NNN-NN R911328706 FWA-INDRV-MPB-07VRS-D5-1-SNC-NN R911328708 FWA-INDRV-MPH-07VRS-D5-1-NNN-NN R911328741 FWA-INDRV-MPH-07VRS-D5-1-SNC-NN R911328743 FWA-INDRV-MPC-07VRS-D5-1-ALL-MA R911328767 FWA-INDRV-MPC-07VRS-D5-1-SNC-ML R911328762
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| Brand Name: | Rexroth | Certification: | ISO9001, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 1 year | Customized sourcing: | available |
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Rexroth servo drive CSB01.1C-S3-ENS
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