Weihong Cnc Adaptor Pcimc 3d 67 Review

The Weihong CNC Adapter PCIMC 3D-67 represents a niche but important piece in the evolving ecosystem of computer numerical control (CNC) machinery. As manufacturers and hobbyists alike push for higher precision, faster turnaround, and greater automation, reliable interfaces that translate digital commands into precise mechanical motion become essential. The PCIMC 3D-67—an adapter designed to integrate Weihong spindle controllers and motion systems with PC-based controllers or CNC software—offers a practical example of how hardware adapters help unify legacy equipment, modern control platforms, and diverse communication standards.

Background and Purpose CNC systems rely on a chain of components: software that generates toolpaths, controllers that interpret those instructions, and motor drivers/spindles that convert electrical signals into movement. Because equipment vendors historically used different electrical interfaces, connector types, and signaling protocols, integrating components from multiple sources can be technically challenging. The Weihong PCIMC 3D-67 addresses this interoperability problem by providing a standardized adapter that maps signals, isolates voltages, and presents compatible connectors so that a PC-based motion controller can drive Weihong hardware reliably. This kind of adapter is especially valuable in retrofit projects—upgrading older machines with modern controllers—or in custom builds where users prefer specific combinations of control software and motor hardware.

Technical Features and Functionality At its core, the PCIMC 3D-67 performs several functions typical of a high-quality CNC adapter:

Applications and Benefits The PCIMC 3D-67 is useful across several user groups:

Challenges and Considerations While adapters like the PCIMC 3D-67 ease integration, users should remain mindful of limitations:

Future Trends As CNC evolves toward greater connectivity and intelligence, adapters will also change. Expect future designs to:

Conclusion The Weihong CNC Adapter PCIMC 3D-67 exemplifies the practical engineering solutions that make mixed-vendor CNC systems feasible. By handling signal translation, protection, and connector compatibility, it reduces friction in machine upgrades and custom builds while preserving investment in existing mechanical components. Users who value interoperability and modularity will find such adapters a cost-effective path to modernizing CNC capabilities—provided they pay careful attention to compatibility, configuration, and the quality of documentation and hardware.


Title: Mastering the Weihong CNC Adaptor PCIMC-67: A Practical Guide for 3D Carving

Intro If you run a CNC router for 3D work—whether it’s signage, molds, or complex reliefs—you’ve likely encountered the Weihong PCIMC-67. This PCI motion control card is the backbone of many Weihong (NowForever) systems. But getting it configured correctly for 3D toolpaths can be tricky. Let’s fix that.

1. First, Know Your Hardware The PCIMC-67 is a PCI (not PCIe) card. Common issues:

2. Key Settings for Smooth 3D (Not Just 2D) Open Weihong NCStudio (or Weihong’s newer software). Navigate to Param → System → Motion:

| Setting | Recommended for 3D | Why | |---------|------------------|------| | Look-ahead lines | 200–400 | Helps pre-calc complex 3D toolpaths | | Corner tolerance | 0.005–0.01 mm | Tighter = smoother 3D surfaces | | Max arc radius | 1000 mm | Prevents arc segmentation errors | | Trajectory blending | Enabled | Avoids “stop-and-go” in 3D contours |

Pro tip: For 3D reliefs, set G64 (constant velocity mode) in your post-processor. Weihong defaults to exact stop (G61) for some operations.

3. Common PCIMC-67 3D Problems & Fixes

Issue A: “Stuttering” on smooth 3D curves

Issue B: Lost steps on Z-axis during 3D carving

Issue C: “Error: 0x00000067” on boot

4. Wiring for 3D – Don’t Skip

5. Software Calibration for 3D Accuracy Run the Weihong Tuning Tool (free on their site). Focus on:

6. Recommended Workflow for 3D

Final Thoughts The PCIMC-67 is an aging but capable card. For serious 3D, keep a dedicated older PC (Win7 32-bit, 4GB RAM). Avoid Windows 10 updates – they break the PCI driver. If you’re upgrading, look at Weihong’s NK300 or Ethernet-based cards, but for now, these tweaks will get you smooth 3D carvings.

Have a specific error code? Drop it in the comments – I’ve debugged most 67-related 3D issues over 5+ years of CNC work.


Would you like a shorter, social-media-friendly version (e.g., for LinkedIn or Instagram carousel), or a printable checklist from this post?

Weihong PCIMC-3D is a motion control card used primarily with

software to control 3-axis CNC machines (such as routers, engravers, and waterjets). Below is a technical summary of the hardware and software configuration based on official documentation from Shanghai Weihong Electronic Technology 1. Hardware Overview Interface Type : Standard PCI expansion slot. Axis Support

: 3-axis motion control (X, Y, Z) with support for simultaneous movement. I/O Capabilities

: Includes switch value input/output points and analog output for spindle control. : Often utilizes the CH365 PCI-I/O bridge chip. 2. Installation Requirements

To set up the PCIMC-3D adaptor, the following environment is typically required: Operating System

: Windows XP, 7, 8, 10, or 11 (Both 32-bit and 64-bit versions supported depending on the driver version). Host Computer

: Pentium (586) or above with at least one available PCI slot.

(Version 5.x is most common for the PCIMC-3D, though later versions like 8.50+ support advanced features like workpiece counting). 3. Setup Procedure Hardware Install

: Power down the PC and insert the PCIMC-3D card into an empty PCI slot. Driver Installation : Upon restart, install the driver package (often named CH365DRV.ZIP or provided within the NcStudio setup). Inverter Connection

: For spindle speed control, the card's analog output (AVI) is wired to the inverter's analog input, with common grounds (ACM/COM) shared. Software Configuration : Run NcStudio and configure parameters such as Encoder Direction

and pulse equivalents to match your machine's physical setup. Мир CNC 4. Common Applications Beaver 9A / 9AT2 KingCut X6 WoodPecker 1224 Roland EGX Series Мир CNC for the 15-pin connector or driver download links for a particular Windows version? Weihong CNC Adaptor PCIMC-3D Driver for INTEL_

The Mysterious Case of the Weihong CNC Adaptor PCIMC 3D 67

In a small, cluttered workshop nestled in the heart of a bustling city, a brilliant but reclusive engineer, Dr. Emma Taylor, stared intently at a peculiar device on her workbench. The object of her fascination was a Weihong CNC Adaptor PCIMC 3D 67, a mysterious component with a reputation for being one of the most enigmatic and versatile tools in the world of computer numerical control (CNC) machining.

Weihong, a relatively unknown Chinese manufacturer, had produced the PCIMC 3D 67 adaptor with a single purpose in mind: to bridge the gap between traditional CNC systems and the rapidly evolving world of 3D printing. The device was said to possess the ability to translate complex 3D models into machine code that could be read by even the most basic CNC machines, effectively turning them into primitive 3D printers.

Dr. Taylor, a renowned expert in CNC machining and 3D printing, had spent years searching for the elusive Weihong adaptor. She had heard whispers of its existence from fellow engineers and enthusiasts, but none had ever seen it in person or understood its full potential. That was, until Emma stumbled upon a cryptic online forum post from a user claiming to possess the adaptor.

The post had been deleted shortly after, but Emma's curiosity was piqued. She tracked down the user, a mysterious individual known only by their handle " Wh1sp3r," and managed to arrange a clandestine meeting. Weihong Cnc Adaptor Pcimc 3d 67

The encounter took place in a dingy, abandoned warehouse on the outskirts of town. Wh1sp3r, a hooded figure with a distorted voice, handed Emma a small, unassuming package containing the Weihong CNC Adaptor PCIMC 3D 67.

As Emma examined the device, she realized that it was far more sophisticated than she had imagined. The adaptor was equipped with advanced algorithms and a proprietary firmware that allowed it to interpret 3D models in a wide range of formats. It was, in essence, a key to unlocking the full potential of CNC machining and 3D printing.

With the Weihong adaptor in hand, Emma's workshop was transformed into a hub of innovation. She began to experiment with the device, pushing the boundaries of what was thought possible with CNC machines. Complex 3D printed parts, once the exclusive domain of high-end 3D printers, began to take shape on her converted CNC mill.

News of Emma's breakthrough spread quickly, attracting the attention of industry leaders, researchers, and entrepreneurs. The Weihong CNC Adaptor PCIMC 3D 67 became a sought-after component, with many eager to harness its power.

However, as the demand for the adaptor grew, so did concerns about its safety and potential misuse. Some warned that the device could be used to create malicious 3D printed objects, such as crude firearms or counterfeit products. Others expressed fears that Weihong, a relatively unknown manufacturer, may not have implemented adequate safeguards to prevent such abuses.

As the world grappled with the implications of the Weihong CNC Adaptor PCIMC 3D 67, Emma found herself at the center of a maelstrom. She became an advocate for responsible innovation, pushing for stricter regulations and guidelines to ensure that the technology was used for the greater good.

The story of the Weihong CNC Adaptor PCIMC 3D 67 serves as a reminder that even the most obscure and enigmatic technologies can have a profound impact on society. As the world continues to evolve at an ever-accelerating pace, it is up to individuals like Dr. Emma Taylor to harness the power of innovation and shape a brighter future for all.

Weihong PCIMC-3D is a specialized PCI-bus motion control card designed for high-precision CNC machining, primarily used in engraving, milling, and drilling applications. It serves as the hardware interface between a computer and a CNC machine's drive system, typically running on the NCStudio software platform Key Specifications & Performance

The PCIMC-3D acts as a bridge, converting digital commands from the PC into physical motion. Axis Support : Supports up to of linear interpolation and

of arc interpolation, along with control for one spindle axis. Data Handling : Features an integrated DSP processor

to manage complex logic and calculations, reducing the processing load on the host computer. Connectivity

: Equipped with a high-speed interface capable of data transfer rates up to I/O Capacity

: Provides 8 channels for digital input/output, 2 channels for analog signals, and 1 channel for encoder input. Core Features Dynamic Motion Control

: Implements advanced algorithms for smooth acceleration and deceleration, ensuring accuracy during high-speed operations. Operating Modes

: Offers flexibility through various modes including manual, automatic, single-step, and continuous operation. Inverter Integration

: Users often pair this card with industrial inverters (such as Delta models ) to manage spindle speed and directional signals. Applications

Due to its 3D movement capabilities and precision, the adaptor is a staple in industries requiring intricate designs:

: Ideal for woodworking, advertising signs, and fine metalwork. Milling & Drilling

: Used in light industrial CNC setups where 3-axis or 4-axis control is required. driver installation steps for a particular version of NCStudio? Weihong Cnc Adaptor Pcimc 3d 67 - Facebook

Weihong PCIMC-3D is a 3-axis motion control interface card used primarily in CNC router, engraving, and carving machines. It serves as the hardware bridge between a computer running the control software and the physical machine tools. AliExpress Core Functionality Motion Control

: Converts machining instructions (G-code) from a PC into pulse signals to drive stepper or servo motor drivers along X, Y, and Z axes. Bus Interface

: It is a PCI-based card that installs directly into a computer motherboard's expansion slot, providing high-bandwidth, low-latency communication. Standard Interface

: Typically features a 15-pin output port for signal transmission to the machine's terminal board via a matching data cable. Software & Driver Support Compatible Software : Primarily designed for

, specifically supporting versions such as V5.4.49 and earlier V5 iterations. Operating Systems : Often used with older, stable systems like Windows XP or Windows 2000 due to its reliance on legacy PCI slots. Advanced Features

: Supports functions like power-off memory (resuming from a breakpoint), skip execution, and manual stepping/jogging. Common Applications

is widely utilized in small-to-medium industrial environments, including: Weihong CNC Adaptor PCIMC-3D Driver for INTEL_

Weihong PCIMC-3D (often associated with versions like 6A, 6B, or 67) is a PCI-based motion control card for NC Studio . It serves as the bridge between your computer and the CNC router's motor drivers. Hardware Installation Safety first: Turn off the PC and unplug the power cable.

Insert card: Find an empty PCI slot on the motherboard and press the card in firmly.

Secure: Use a screw to fix the card's metal bracket to the PC chassis.

External connection: Use a DB37 cable to connect the card to the external terminal board.

Grounding: Ensure the computer shell and CNC machine are grounded to prevent signal interference. Software & Driver Setup

Install NC Studio: Run the setup file from your provided CD or official download.

Open Device Manager: Look for an entry labeled "CNC Adaptor" or "Other Devices".

Update Driver: Right-click the item and choose "Update Driver Software".

Browse manually: Select "Install from a list or specific location" and navigate to the C:\Program Files\Naiky\PCIMC-6A (or similar) folder to find the .inf file.

Restart: Reboot the computer to finalize the driver registration. Common Troubleshooting 💡

No signal: Check the 24V DC power supply on the external terminal board; many inputs won't trigger without it.

Wrong direction: If an axis moves backward, you can toggle the direction bit in the "Manufacturer" parameters (default password is often ncstudio). The Weihong CNC Adapter PCIMC 3D-67 represents a

Limits: If the machine won't move, check the status of your limit switches in the "I/O State" window of NC Studio—they should be green when not triggered (if using Normally Closed). If you'd like more specific help:

What version of Windows are you running? (e.g., Windows 7, Windows 10)

Are you replacing an old card or setting up a brand-new machine? Do you have the original driver disk or files? NC Studio User Manual en | PDF | Menu (Computing) - Scribd

The Weihong CNC Adapter PCIMC-3D (often associated with the PCIMC-67 hardware revision) is a high-performance motion control card designed to interface personal computers with CNC machinery. Operating primarily through the NCStudio software environment, this adapter acts as the critical bridge between digital design files and physical 3-axis machine movement. Core Technical Specifications

This hardware is widely used in wood engraving machines, CNC routers, and lathe centers due to its specialized processing capabilities:

Interface Type: Standard PCI slot for desktop PC installation. Axis Support: Precision control for 3 axes (X, Y, and Z).

Control Protocol: Uses the STEP-DIR (Step/Direction) protocol to generate pulses for stepper or servo motor drivers.

Spindle Control: Supports discrete spindle speed control, typically offering up to 8 distinct speeds.

Software Compatibility: Optimally paired with NCStudio v5 (versions 5.4.49, 5.5.55, and 5.5.60). Key Features and Performance

The primary advantage of using a dedicated hardware adapter like the PCIMC-3D is its ability to offload motion calculations from the computer's CPU.

Processor Offloading: By handling real-time pulse generation on the card itself, the system reduces the performance requirements of the host PC and prevents "stuttering" in machine movement caused by OS background tasks.

File Versatility: The system supports standard G-codes and HPGL-3D codes, making it compatible with major CAD/CAM packages including ArtCam, Type3, and MasterCAM.

Stability: Designed for industrial environments, it operates reliably in temperatures ranging from 0°C to +50°C. Installation and Setup

Setting up the Weihong PCIMC-3D requires both physical hardware integration and specific software configuration:

PCIMC-53B Weihong - система управления 3-осевая - Darxton

The Weihong PCIMC-3D 67 is a legacy high-performance motion control card used to bridge the gap between a computer and a CNC (Computer Numerical Control) machine. It serves as a specialized adapter that translates digital commands from a PC into precise physical movements, primarily for 3-axis engraving, milling, and routing applications. Overview of the PCIMC-3D Card

Developed by Shanghai Weihong Electronic Technology, this card is a core component of the NC Studio control system, which is one of the most widely used software environments for standard CNC routers.

Interface Type: It uses a standard PCI interface, meaning it must be physically installed into an expansion slot on a computer's motherboard.

Motion Capability: It is designed for 3-axis control (X, Y, and Z axes), making it suitable for standard wood carving, advertising signage, and metal engraving machines.

Software Compatibility: Its primary role is to run NcStudio software, which provides the graphical interface for operators to load G-code, set origins, and monitor machining progress. Key Technical Specifications

The PCIMC-3D series, including the "67" variant, is built to handle the rigorous demands of industrial environments:

Precision and Speed: The card manages high-speed pulse outputs to motor drivers, ensuring smooth motion and reducing "chatter marks" or jagged edges during the carving process.

Legacy OS Support: These cards are typically compatible with older operating systems like Windows XP and Windows 7, often requiring specific Weihong drivers to function correctly.

Advanced Features: Supports functions such as breakpoint resume (allowing the machine to restart from where it left off after a power failure) and multi-workpiece coordinate systems. Operational and Safety Precautions

Maintaining a PCIMC-3D adapter requires adherence to specific technical guidelines to prevent hardware damage: NK105 G2 & NK105 G3: Weihong CNC Controller Manual PDF

Understanding the Weihong CNC Adaptor PCIMC-3D The Weihong CNC Adaptor PCIMC-3D is a specialized hardware expansion card designed to interface a personal computer with 3-axis CNC milling and engraving machines. It serves as the physical backbone for the widely used NC Studio motion control system, enabling high-speed, precise control of machine movements. Core Technical Specifications

The PCIMC-3D card is primarily compatible with NC Studio v5 (specifically versions 5.4.49, 5.5.55, and 5.5.60).

Axis Control: Supports simultaneous 3-axis control (X, Y, Z).

Interface Type: Designed for standard PCI slots on a desktop computer motherboard.

Pulse Frequency: Capable of generating "Step" pulses up to 47 kHz.

Operating System Compatibility: Historically optimized for Windows XP and Windows 7 (32-bit).

Input/Output: Supports up to 3 limit sensors and discrete spindle control with up to 7 steps. Key Benefits of the PCIMC-3D System

Using a dedicated hardware adaptor like the PCIMC-3D offers several advantages over software-only solutions:

CPU Offloading: The card handles the intensive pulse generation tasks, significantly reducing the load on the computer's central processor. This allows for smoother machine operation and lower PC hardware requirements.

G-Code Compatibility: The system natively supports standard G-codes and HPGL-3D codes, making it compatible with popular design software such as ArtCam, Type3, and MasterCAM.

User-Friendly Interface: NC Studio provides an intuitive graphical interface that includes simulation and debugging tools for testing programs before physical cutting begins. Installation and Troubleshooting Tips

Setting up the Weihong adaptor requires both physical installation and proper driver configuration.

Контроллер Weihong PCIMC-3D (NC Studio v5.4.49 / 5.5.55 / 5.5.60) Applications and Benefits The PCIMC 3D-67 is useful

Контроллер Weihong PCIMC-3D (NC Studio v5. 4.49 / 5.5.55 / 5.5.60) купить по выгодной цене | Torden.

What a fascinating combination of words! I'll try to weave a story around "Weihong CNC Adaptor PCIMC 3D 67". Keep in mind that this might be a completely made-up and imaginative tale.

In a small, high-tech workshop nestled in the mountains of China, Weihong, a brilliant engineer, had been working tirelessly to perfect his latest invention: a revolutionary CNC (Computer Numerical Control) adaptor. This device, dubbed the PCIMC 3D 67, was designed to bridge the gap between traditional computer-aided manufacturing and the emerging world of 3D printing.

Weihong's journey began several years ago, when he was approached by a local manufacturing company struggling to adapt to the rapidly changing technological landscape. Their outdated machinery was becoming obsolete, and they needed a solution to stay competitive. Weihong saw an opportunity to create something groundbreaking and threw himself into the project.

The PCIMC 3D 67 was born from Weihong's passion and expertise. This adaptor was a sleek, compact device that could be easily integrated into existing CNC machines, allowing them to communicate seamlessly with 3D printers. The implications were enormous: manufacturers could now produce complex parts with unprecedented precision and speed, while also exploring new possibilities in additive manufacturing.

As Weihong refined his design, he encountered numerous challenges. The adaptor needed to be robust, reliable, and compatible with a wide range of CNC machines and 3D printing software. The engineer spent countless hours testing and retesting, driven by his vision of a future where humans and machines worked in harmony to create innovative products.

Finally, the day arrived when the PCIMC 3D 67 was ready for its maiden test. Weihong carefully installed the adaptor on a nearby CNC machine and connected it to a state-of-the-art 3D printer. With a mix of excitement and trepidation, he initiated the first test run.

The machine whirred to life, and a flurry of activity ensued. The CNC machine's milling tools danced across a block of metal, generating a complex pattern of interlocking gears. Simultaneously, the 3D printer sprang into action, extruding layers of molten plastic to create a vibrant, intricate lattice structure.

As the test concluded, Weihong beamed with pride. The PCIMC 3D 67 had performed flawlessly, effortlessly bridging the two manufacturing worlds. His invention had the potential to disrupt entire industries, and he knew that his work was only just beginning.

The news of Weihong's innovation spread rapidly, attracting the attention of forward-thinking companies and researchers worldwide. The PCIMC 3D 67 became a game-changer, empowering manufacturers to explore new frontiers in product design, production, and innovation.

And Weihong, the ingenious engineer, remained at the forefront of this revolution, continually pushing the boundaries of what was thought possible.

The Weihong PCIMC-3D is a 3-axis CNC motion control card designed to interface with the NC Studio software system. This hardware serves as a bridge between your computer and the CNC machine, offloading critical motion processing from the PC's main CPU to ensure more stable and precise machining. Key Features and Specifications

System Compatibility: Primarily used with NC Studio versions such as v5.4.49, v5.5.55, and v5.5.60.

Hardware Interface: It is a PCI-based card that installs directly into a computer's motherboard expansion slot.

Motion Control: Supports standard three-axis engraving, milling, and cutting functions. Operational Benefits:

Breakpoint Resuming: Allows the machine to continue work from a specific point if power is lost or a job is paused.

Real-time Path Display: Unlike some handheld DSP controllers, this system can display the working toolpath in real-time on your computer screen.

File Support: Compatible with standard G-code, DXF, and ENG file formats. What is in the Kit? A standard setup typically includes: PCI Control Card: The main board that goes inside your PC.

Interface/Breakout Board: A separate board mounted in the machine's control cabinet.

Connection Cable: A data cable (often DB15 or DB37) that connects the PCI card to the breakout board. Application Use Cases

This adapter is a popular choice for 3-axis CNC routers used in furniture carving, advertising signs, and light metal milling. It is often favored over standalone DSP controllers for complex 3D operations because of the superior storage and processing power provided by the connected PC. WeiHong CNC Controller PM95A + Lambda3L - NAMICAM

The Weihong PCIMC-3D Go to product viewer dialog for this item.

is a specialized PCI-based CNC motion control card designed primarily for 3-axis milling, engraving, and woodworking machines. Often referred to by its hardware ID (such as PCIMC-3D/67

), it serves as the hardware interface between a personal computer and a CNC machine’s motor drivers. Key Technical Specifications Interface Type: PCI slot connection. Axis Support: 3-axis control (X, Y, and Z axes).

Operating Voltage/Logic: Typically supports NPN or PNP control logic for interfacing with frequency inverters (e.g., Delta VFD series).

Signal Output: Uses Step/Dir protocol to communicate with stepper or servo motor drivers. Software Compatibility

is widely known for its integration with NCStudio, a motion control software suite developed by Weihong Technology. Weihong Cnc Adaptor Pcimc 3d 67 !free!


In the world of computer numerical control (CNC) machining, the reliability and precision of the motion control system are paramount. Weihong, a prominent Chinese manufacturer of CNC controllers, has long provided cost-effective solutions for routers, mills, lathes, and plasma cutters. Central to their PCI-bus control system is the PCIMC-3D-67 adaptor—a dedicated interface card that bridges the control software running on a standard PC with the drives, sensors, and actuators of a CNC machine.

This article provides a detailed technical overview, installation guidelines, common failure points, and troubleshooting advice for the Weihong PCIMC-3D-67 adaptor.


Before purchasing or troubleshooting a Weihong CNC Adaptor PCIMC 3D 67, verify these specs against your machine’s requirements:

| Parameter | Specification | | :--- | :--- | | Interface Type | PCI 32-bit (5V/3.3V compatible) | | Max Pulse Frequency | 200 kHz (differential) / 100 kHz (single-ended) | | Control Axes | 4 axes (X, Y, Z, A) with linear interpolation | | Inputs | 16 opto-isolated digital inputs (limit switches, probe, E-stop) | | Outputs | 8 opto-isolated digital outputs (relay control, coolant, vacuum) | | Analog Output | 0–10V for spindle speed control (PWM to analog conversion) | | Encoder Feedback | 4 channels of differential encoder input (up to 1MHz) | | Operating System | Windows 7, 8, 10 (32/64-bit with legacy PCI driver support) |

With the rise of Ethernet-based motion controllers (Mechatrolink, EtherCAT), why would a shop still invest in a PCI-based Weihong CNC Adaptor PCIMC 3D 67? Three reasons:

Even robust hardware can encounter issues. Here are three frequent problems with the Weihong CNC Adaptor PCIMC 3D 67 and their solutions:

The Weihong PCIMC 3D 67 is typically found in mid-range CNC routers, milling machines, and engraving machines that utilize the Weihong NcStudio software ecosystem.

It is important to note that Weihong hardware is often version-locked. An adaptor from one generation (e.g., a version 50 series) may not be pin-compatible with a control card from another generation (e.g., a version 60 or 70 series). Therefore, the PCIMC 3D 67 is specifically sourced as a replacement part for machines originally built with this specific hardware revision, ensuring that the pin-outs match the existing wiring harness of the machine.

| Pin(s) | Signal | Description | |--------|--------|-------------| | 1-4 | X_STEP+, X_DIR+ | X-axis step/dir differential pair | | 5-8 | X_STEP-, X_DIR- | Complementary signals | | 9-12 | Y_STEP+, Y_DIR+ | Y-axis | | 13-16 | Y_STEP-, Y_DIR- | | | 29-32 | Z_STEP+, Z_DIR+ | Z-axis | | 33-36 | Z_STEP-, Z_DIR- | | | 43-44 | +24V_IN | External power for I/O | | 45-46 | GND | Power ground | | 47-58 | Input signals (IN1-IN12) | Limit switches, probe, etc. | | 59-64 | Output signals (OUT1-OUT6) | Spindle relay, coolant, etc. | | 65 | SPINDLE_ANALOG | 0–10V output | | 66-67 | Encoder Z+/- | Index pulse for spindle/axis |

Note: Full pinout depends on Weihong’s specific revision; always refer to the manual for your exact model.


The PCIMC-3D-67 is no longer in mass production but can be sourced from:

Typical price (used/refurbished): $120 – $250 USD.

Always verify the revision number printed on the board (e.g., REV 3.0) as pinouts may differ slightly.