PC834-116-N

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The PC834-116-N brushless servo drive operates with a control power input voltage range of 85VAC to 265VAC, supports digital position command rates up to 800 kHz, and offers a maximum continuous output power of 4.6 kW at 400VAC. Part of the PC800 - PCE800 Brushless Servo Drives by Pacific Scientific, it features an input frequency range of 47 to 440 Hz.

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Product Description:

This PC834-116-N Brushless Servo Drive is a specialized component by Pacific Scientific which is built for many electrical and mechanical power applications. Pacific Scientific is a leader in industrial automation and power electronics solutions by delivering products that combine cost-effective technology.

The PC834-116-N servo drive uses an advanced communication system that is compatible with both RS-232 and RS-485 protocols. The system inside the drive operates using a DC voltage range of ±10 volts which functions through step or direction indexing for precise motion control. This servo drive can deliver both ongoing 7.1 A continuous current while reaching peak current levels of 21.21 A for intense applications needing dynamic motor response. A notable feature of this PC800-PCE800 series drive is its implementation of the DRDC (Digital Resolver to Digital Conversion) algorithm which enhances position feedback and increases the performance of the drive in challenging domains. The drive boasts a 400 Hz loop bandwidth which aids in allowing for rapid response to control commands and superior stability in dynamic environments. With almost 24-bit position resolution, it ensures remarkable positioning which is critical for applications requiring meticulous motion control.

The PC834-116-N servo drive offers a continuous usable torque range from 0.5 to 48.5 Nm by settling a wide variety of load requirements. The model designation figured as 116 indicates factory-assigned hardware customization by ensuring the drive meets all specific application needs. The suffix n denotes that the drive comes without additional accessories which assist in emphasizing its compact and space-efficient design that is well-suited for installations with limited space. This high-speed and high-efficiency servo drive is engineered for advanced control algorithms and a high-resolution encoder in a compact form factor.

Analog Command Voltage Range
±13.5 Volts
Bus Voltage Nominal
533VDC for 400VAC
Control Power Consumption
15 to 25 Watt
Control Power Input Voltage Range
85VAC to 265VAC
Digital Position Command Rates
Maximum 800 kHz
Environmental Storage Temperature Range
-40°C to 70°C
Humidity (non-condensing)
10% to 90%
Input Frequency Range
47 to 440 Hz single phase
Input Resistance (analog)
50 kΩ
Maximum Bandwidth
1.5 kHz
Maximum Continuous Output Power
4.6 kW at 400VAC (with convection cooling)
Maximum Stable Velocity Loop Bandwidth
400 Hz
Recommended Fuse Model Number
KTK-20 Bussmann
Update Period
62.5 µsec

Frequently Asked Questions about PC834-116-N:

Q: What communication protocols does the PC834-116-N from the PC800/PCE800 series support?

A: The PC834-116-N supports RS-232 and RS-485 communication protocols, providing flexible integration options for various industrial control systems.

Q: What is the continuous current rating of the PC834-116-N servo drive?

A: The PC834-116-N delivers a continuous current of 7.1A, ensuring stable and efficient operation in demanding motion control applications.

Q: What peak current can the PC834-116-N handle?

A: The PC834-116-N can manage peak currents up to 21.21A, providing high dynamic performance during rapid acceleration and deceleration phases.

Q: What is the position resolution capability of the PC834-116-N servo drive?

A: The PC834-116-N offers 24-bit position resolution, enabling ultra-precise motion control for applications requiring high accuracy.

Q: What is the loop bandwidth of the PC834-116-N servo drive?

A: The PC834-116-N features a loop bandwidth of 400 Hz, ensuring fast system response and precise control in dynamic applications.


Internal Product Review

  • ‘‘The PC834-116-N servo drive by Pacific Scientific excels with its 24-bit position resolution and 7.1A continuous current, ensuring accurate and reliable performance. Its RS-232/485 communication interface simplifies integration, making it perfect for high-precision industrial automation systems requiring dynamic motion control.’’

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