Description
PC834-001-T Configuration: • PC8: PC8 Servo • 3: RS-232/485, ±10V DC, Step/Direction Indexing • 4: 7.1A Continuous; 21.21A Peak Current • 001: Standard Unit • T: Terminal Board Adapter Connector Kit (not included) Kollmorgen, who also owns Pacific Scientific, distinguishes themselves as one of the few companies that design and produce a large range of motor control solutions. From motors, drives, amplifiers, gear heads, actuators, and multi-axis motion controllers, you can find everything you need. This is one of leading companies in automation technology market and trusted by thousands of companies globally. One of the drive versions they offer to power and control automation systems or machines is the PC830 Single Axis Brushless Servo Drive. This amplifier it is designed to be used inside a cabinet following strict installation rules and handled by qualified personnel. To control and configure the device you can use 830 Tools and a standard Windows GUI application. The drive can operate in Torque Control mode, Velocity Control mode or Position Control mode and at same time it can take Analog Command, Incremental Digital Pulse Command or Serial Port Command.
It is possible to connect to other external device through six user mappable inputs, three user mappable outputs and one mappable relay output.
The mechanical design of the driver introduces its limitations but the performance can be improved while tuning parameters.
Servo Drive Package can be ordered using several options. The PC834-001-T is a 7.1 A RMS cont. @ 25 °C, 21.2 A RMS peak servo drive and the command interface is designed to have RS-232/485, ± 10 Vdc, Step/Dir, Indexing. It comes as a standard unit and together with it a TB adapter connector kit provided. The PC834-001-T servo drive can commutate a motor if one of the following feedback devices is provided : Resolver , Incremental Encoder or Comcoder.
Features:
• Compact Package
• DRDC (Digital Resolver to Digital Conversion) Algorithm
• 400 Hz Loop Bandwidth
• 24 Bit Position Resolution
• 0.5 to 48.5 Nm Continuous Usable Torque
Drive control mode (1) PWM control (Shadik driver) PWM control technology: control the on-off and off-off of semiconductor switching devices, so that the output end can get a series of pulses with equal amplitude and unequal width, and use these pulses to replace sine waves or other required waveforms. By modulating the width of each pulse according to certain rules, the output voltage of the inverter circuit can be changed, and the output frequency can be changed. Advantages: 1) Low noise; 2) High efficiency at full load and can work in continuous conduction mode; 3) The ripple voltage is small; 4) The switching frequency is fixed, so the noise filter design is easier and the noise elimination is simpler; 5) The control method is easy to implement. Cons: 1) Due to the influence of the error amplifier, PWM loop gain and response speed are limited, PFM has a fast response speed; 2) PWM is less efficient at low load. 3) PFM control (Panasonic Drive)
The frequency of the modulated signal varies with the amplitude of the input signal, and its duty cycle is unchanged. Because the modulated signal is usually a square-wave signal with a change in frequency, PFM is also called square-wave FM.
Advantages:
1) The main advantage of PFM compared with PWM is efficiency;
2) PFM has the advantage of low static power consumption;
3) No finite flow function can not work in continuous conduction mode;
4) Compared with PWM, the output current of PFM is small;
For PFM and PWM with the same peripheral circuit, the peak efficiency PFM is comparable to PWM, but before the peak efficiency, the efficiency of PFM is much higher than that of PWM, which is the main advantage of PFM
Cons:
1) Filtering is difficult (harmonic spectrum is too wide);
2) The PFM frequency is lower than the PWM frequency, which will cause the output ripple larger than the PWM;
3) PFM control is more expensive than PWM control.
The company focuses on DCS, PLC, robot, large servo four systems
The main products are various modules/cards, controllers, touch screens, servo drivers
Company advantage: Supply imported original products, professional production of spare parts
One year warranty, fast delivery time, complete supply !！！
① 24 hours email response (12 hours);
② For shipment outside Asia, please contact the seller.
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