CNCTOPBAOS 3 Axis GRBL 1.1f USB Port CNC Engraving Machine Controller Board for CNC Router Engraver Milling Machine 3018-PRO 1610-PRO 3018-PRO-MAX Control Card
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AI Verdict
This is a 24V, 3-axis GRBL 1.1f control board for 3018-PRO CNC machines, offering offline control and improved USB durability.
This control board is a specific upgrade for 3018-series CNC machines, offering GRBL 1.1f firmware and offline control capabilities. Its 24VDC input and 1.5A recommended stepper motor current fit smaller, hobbyist-level CNC routers, but require user familiarity with GRBL setup and troubleshooting.
If you need to drive larger Nema23 motors or want more robust connectivity, look for a board with higher amperage ratings per axis and more industrial-grade connectors.
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Pros
- Comes with GRBL 1.1f firmware for precise XYZ control and reduced stutter during engraving.
- Supports standalone operation with an offline controller and SD/TF card slot, eliminating the need for a constant PC connection.
- Features dedicated ports for emergency stop, probe, and XYZ limit switches, enhancing operational safety.
- Improved USB interface design, changed from patch soldering to a plug-in type, for better durability against transport and improper use.
- Spindle drive includes optocoupler isolation, which reduces heat generation and provides more linear speed adjustment for 24VDC spindles.
- Compatible with a range of CNC machines including 1310, 1610-PRO, 3018, 3018-PRO, and 3018-PRO MAX.
Cons
- Requires specific power-up sequence (24V DC first, then USB) and CH340 driver installation, making it not plug-and-play.
- Users have reported issues with the limit ports/terminals and Z-axis direction needing careful configuration.
- Stepper motor support is limited to 2A maximum, with 1.5A recommended, which might not be enough for larger Nema23 motors.
- The board itself is made of 'Plasti', which might not offer the same robustness as metal enclosures for a control unit.
- Documentation or included software might require additional setup and troubleshooting for beginners.
Dimension Scores
The GRBL 1.1f firmware and optocoupler isolated spindle drive contribute to precise and consistent performance, addressing common stutter and drift issues.
It's not plug-and-play, requiring specific power-up sequences, driver installation, and careful software configuration, which can be a hurdle for new users.
Supports a range of 3018-series machines, Nema17/23 motors, 24VDC spindles, and multiple GRBL software options, plus offline control.
The improved plug-in USB port is a plus, but the 'Plasti' material for the board itself and the 1.5A recommended motor current suggest average physical robustness.
Best For
- Upgrading a 3018-PRO or similar 3-axis GRBL CNC machine with 24VDC spindle.
- Makers needing offline control for their CNC router to operate without a connected computer.
- Hobbyists comfortable with driver installation and GRBL software configuration for CNC operations.
Not Recommended For
- Users expecting a true plug-and-play experience without driver or software setup.
- CNC machines requiring stepper motors with current draw above 1.5A-2A.
- Individuals who prefer extensive, polished documentation and immediate out-of-the-box functionality.
Watch Out For
- The board is not plug-and-play; you must connect 24V DC power first, then USB to the PC, and install the CH340 driver manually.
- Some users experience issues with limit switch ports and Z-axis direction, requiring careful wiring and GRBL settings adjustments.
- The maximum recommended current for stepper motors is 1.5A, despite supporting up to 2A, which could lead to overheating if pushed.
- While the USB port is improved, the overall 'Plasti' material construction might not withstand rough workshop environments long-term.
Full Specifications
| UPC | 785004502766 |
| ASIN | B07B3RFNJ7 |
| Brand | CNCTOPBAOS |
| Color | Transparent |
| Voltage | 24 Volts |
| Material | Plasti |
| Item Weight | 5 ounces |
| Display Type | LED |
| Manufacturer | Changzhou Rattm Motor Co.,Ltd |
| Item model number | 4V |
| Batteries required | No |
| Package Dimensions | 6 x 4.5 x 3.3 inches |
| Operating Temperature | 20 Degrees Celsius |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users find this board to be a functional upgrade for their 3018-series CNC machines, especially appreciating the GRBL 1.1f firmware for smoother operation. The ability to run the CNC without a computer using the offline controller is a frequently mentioned benefit. However, the setup process isn't always straightforward, with several users reporting initial difficulties getting drivers installed and configuring limit switches or Z-axis direction. The need for a specific power-up sequence is also a common point of discussion, indicating it's not a 'plug-and-play' solution.
“Man, this board works, but don't expect to just plug it in and go. Had to mess with drivers and the power sequence for a bit, and my Z-axis was acting weird until I tweaked some settings. But now it runs my 3018 like a champ, especially with that offline controller!”
Common Praise
- GRBL 1.1f firmware provides smoother and more consistent engraving performance, reducing stutter.
- Offline controller with SD/TF card slot allows for standalone operation, freeing up the computer.
- Includes dedicated ports for emergency stop, probe, and limit switches, improving safety and functionality.
- The upgraded USB interface is more robust and less prone to damage during handling.
- Compatible with popular CNC software like Candle, Universal Gcode Sender, and LightBurn.
Common Complaints
- Requires specific driver installation (CH340) and a precise power-up sequence (24V DC first, then USB) to connect to a PC.
- Users report needing to troubleshoot and configure limit switch ports and Z-axis direction settings.
- The documentation or included instructions can be unclear, leading to setup frustrations.
- Stepper motor current recommendations (1.5A) are lower than the 2A maximum, suggesting potential limitations for some Nema23 motors.
Ownership Tips
- The CH340 driver is absolutely essential for PC communication; without it, the board won't be recognized.
- Always connect the 24V power supply before the USB cable to avoid connection issues or potential damage.
- Be prepared to adjust GRBL settings for your specific machine, especially for limit switches and motor directions, as defaults might not be perfect.
- The offline controller is a game-changer for long jobs, letting you walk away from the computer.
- The 'Plasti' enclosure feels a bit cheap, so consider mounting it securely to protect it from workshop bumps.
Frequently Asked Questions
What software is compatible with this control board?
You can use GRBL Control, Candle (3 axis), Universal Gcode Sender, LightBurn, and LaserGRBL. Ensure your GRBL settings are correct for your machine.
Do I need a computer to operate my CNC with this board?
No, the board supports an offline controller with SD/TF card support, allowing you to run G-code files without a PC connected. You can also connect both simultaneously.
What kind of stepper motors does it support?
It supports Nema17 and Nema23 stepper motors, but the maximum current is 2A, with 1.5A recommended for sustained use.
How do I connect it to my PC?
First, connect the 24V DC power to the board, then power it on, and finally connect the USB to your PC. You'll need to install the CH340 driver and select the correct COM port and 115200 baud rate in your GRBL software.
Does it have safety features?
Yes, it includes ports for a 2-pin emergency stop button, a probe, and XYZ limit switches, plus a power button switch.
Buying Guide
When looking at CNC control boards like this one, you're essentially buying the brain for your engraving or milling machine. It translates your design files into movements for the motors. You need to understand that these aren't always 'plug and play' like a printer; they often require some technical setup, including driver installation and software configuration. The firmware version, like GRBL 1.1f here, dictates how smoothly and precisely your machine will operate.
GRBL 1.1f Firmware
This is the operating system for your CNC. Version 1.1f is a common, stable version that offers improved motion control and reduces issues like stuttering during complex cuts, making your projects cleaner.
Offline Controller Support
This means you can load your design files onto an SD card and run your CNC without keeping a computer connected. It's like having a remote control for your machine, which is super handy for long jobs or if your workshop PC is far away.
Stepper Motor Current (1.5A recommended)
This tells you how much power the board can safely deliver to your machine's motors. If your motors need more current, they won't perform correctly or could even damage the board. 1.5A is fine for smaller Nema17 motors, but some Nema23s might need more.
Alternatives
If this board doesn't fit, look for control boards with higher stepper motor current ratings (e.g., 3A or more per axis) for larger machines, or boards with pre-installed drivers and more comprehensive, beginner-friendly setup guides if you want an easier start.
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