Description
Product Overview
The Pacific Scientific PC834-001-T is a PC830-series standard servo drive designed for industrial motion-control applications. It provides the power-amplification stage between a motion controller and a compatible servo motor, regulating motor current in response to command and feedback signals. In a closed-loop system, this allows the controller to manage motor torque and motion during machine operations such as positioning, indexing, coordinated movement, and automated production cycles.
The PC830 family is part of the Pacific Scientific motion-control product range, subsequently associated with Kollmorgen. The manufacturer’s PC830 documentation specifically identifies the PC834-001-T as a standard servo drive with a peak output current rating of 21.2 A RMS. This rating is an important selection reference, but it should not be interpreted as a continuous-current rating. Continuous output capability, motor compatibility, and operating limits must be checked against the complete drive specification and application conditions.
Installation requires attention to the motor power connections, feedback wiring, command interface, and drive configuration. The PC830 documentation identifies CA800 as a connector kit for the PC804 drive and CA800-TB as a terminal-block adapter for the PC803 connector arrangement. These accessory references should not be assumed to apply interchangeably to the PC834-001-T. Confirm the actual connector arrangement and wiring requirements from the drive manual before ordering accessories.
For replacement procurement, the Pacific Scientific PC834-001-T should be matched against the original drive’s complete model number, electrical ratings, feedback configuration, and motor specifications. A drive with the same peak-current rating may still have different control characteristics or connection requirements. Preserve the original machine parameters and verify motor direction, feedback polarity, current limits, and protective functions during commissioning.
Product Introduction (Non-Templated)
Servo-drive replacement is a motor-and-controller compatibility task. A mismatch in feedback wiring, motor parameters, or command scaling can produce unstable motion, unexpected direction changes, or drive faults during startup.
The PC834-001-T belongs to the PC830 servo-drive family and carries a documented 21.2 A RMS peak-current rating. Before installation, compare the original drive label and wiring diagram, verify the motor’s electrical data, and confirm the required connector arrangement. Do not use peak current as the sole criterion for approving a substitute.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Pacific Scientific |
| Brand Association | Kollmorgen |
| Model | PC834-001-T |
| Product Series | PC830 |
| Product Type | Standard servo drive |
| Primary Function | Servo motor power amplification and motion control |
| Peak Output Current | 21.2 A RMS |
| Continuous Output Current | Not verified |
| Input Voltage | Not verified for exact suffix |
| Output Voltage | Not verified |
| Motor Compatibility | Confirm against motor electrical specifications |
| Feedback Interface | Not verified |
| Command Interface | Not verified |
| Communication Protocol | Not verified |
| Connector Accessory | Verify CA800 / CA800-TB applicability |
| Cooling Arrangement | Confirm from exact hardware documentation |
| Protection Functions | Not verified |
| Operating Temperature | Not verified |
| Installation | Industrial drive-panel mounting; exact requirements not verified |
The 21.2 A RMS peak rating is documented in the manual. Other electrical and interface values should be taken from the exact drive revision’s technical documentation.
PC834-001-T
Related Products
- PC834-001-A — standard servo drive with a documented 21.2 A RMS peak rating; suffix difference requires compatibility verification.
- PC834-001-N — standard servo drive with the same documented peak-current rating; not automatically interchangeable.
- PC833-001-T — standard servo drive with a 10.6 A RMS peak-current rating.
- PC832-001-T — Related Pacific Scientific -family servo drive.
- CA800 — Connector mate kit for the PC804 drive arrangement.
- CA800-TB — Terminal-block adapter kit for the PC803 connector arrangement.
- MA830 — series user manual.
- PRK-200 — External regenerative resistor kit listed among PC800 accessories.
- PFK-120 — 120 VAC fan kit listed among PC800 accessories.
Frequently Asked Questions
Q1: What is the Pacific Scientific used for?
It is a -series standard servo drive used to control compatible servo motors in industrial motion applications. Its role is to regulate motor power in response to the motion controller’s commands and feedback signals.
Q2: What is the peak output current of the ?
The manual specifies a peak output current of 21.2 A RMS. This is a peak rating, not a confirmed continuous-current rating.
Q3: Can the replace the PC834-001-N?
Both models are documented as standard servo drives with a 21.2 A RMS peak-current rating. However, the suffix difference may indicate a configuration distinction. Confirm electrical input, feedback, connectors, and application requirements before substitution.
Q4: Can I hot-swap the ?
Do not assume hot-swap capability. Isolate the drive’s power supply, allow the DC bus to discharge according to the manufacturer’s instructions, and follow the approved electrical safety procedure before removal.
Q5: Does the support firmware v3.1?
A verified firmware v3.1 compatibility statement is not available. Check the installed drive’s revision and the motion controller’s software requirements.
Q6: Which connector kit is required?
The manual lists and -TB for specific PC80x drive connector arrangements. Confirm the ‘s actual connector type before purchasing either accessory.
Q7: What should be checked before commissioning a replacement drive?
Verify the motor rating, feedback wiring, command scaling, current limits, grounding, protective settings, and regenerative braking arrangement. Conduct controlled startup and motion tests before returning the machine to production.
Procurement note: The Pacific Scientific is identified in the Kollmorgen manual as a standard servo drive rated at 21.2 A RMS peak. Confirm the exact input-voltage configuration, continuous-current capability, feedback interface, and connector arrangement before approving a replacement.
