Multi-protocol industrial PLC with 64 I/O, Ethernet/RS‑485, CAN option—ideal for automation in manufacturing and process control.
Product Overview
The GT3U‑64 is a DIN-rail mount, FX3U-compatible PLC offering 64 digital I/O and optional analog and weighing modules. It includes RJ45 Ethernet, RS‑232/RS‑485 ports, and CAN-bus support. The onboard screen and run/stop switch simplify configuration and status monitoring. Its compatibility with Mitsubishi FX3U instruction set makes it a cost-effective drop-in alternative. Suited for medium-to-large automation tasks in packaging, conveyor systems, and industrial data logging, it brings flexible connectivity and expandability.
How to Use
- Mount the unit on DIN‑rail, supply 24 VDC power.
- Hook up digital I/O, optional analog/weighing modules.
- Connect to PC via RS‑232 or Ethernet port.
- Program with Mitsubishi GX Developer or GT3U tool using FX3U logic.
- Download your ladder logic, press RUN.
- Monitor via screen, support remote diagnostics via RS‑485 or CAN bus.
Tips: Backup your program before first run; isolate noisy analog inputs; ensure power supply is stable.
FAQ
- Is the GT3U‑64 truly FX3U compatible?
Yes, it supports the same instruction set and programming tools. - Does it include Ethernet?
Yes, standard RJ45 Ethernet for programming and network I/O. - What communication ports are available?
Ethernet, RS‑232, dual RS‑485, plus optional CAN bus. - Can I add analog modules?
Yes, supports 2AD/2DA weighing and analog I/O modules. - What voltage does it need?
24 VDC power input. - How many I/O points?
64 digital I/O; analog/weighing modules optional. - Is there onboard display?
Yes, a basic screen shows status and diagnostics. - Suitable software?
Use Mitsubishi GX Developer or compatible GT3U software. - Ideal use cases?
Automation, packaging, conveyors, data logging, remote I/O via Modbus. - Warranty/support?
Vendor offers limited warranty; check with supplier.
User Review Summary
Feedback from forums and users praising FX compatibility and budget-friendly pricing. Pros include reliable operation, Ethernet connectivity, and easy expansion. Cons note lack of official Mitsubishi certification and limited local support/documentation.
Comparison with Competing Products
GT3U‑64 vs Mitsubishi FX3U‑64MR: GT3U is typically 20–30 % cheaper, includes Ethernet built-in; FX3U offers certified support and a more extensive accessories ecosystem.
GT3U‑64 vs GT3U‑80: GT3U‑80 adds 80 I/O for larger applications but costs more and is physically larger.
GT3U‑64 vs Siemens S7‑1200: S7 has advanced diagnostics and ecosystem but at a higher price and steeper learning curve; GT3U is simpler and cost-effective for FX‑focused users.
Technical Specifications
Digital I/O: 64 points; optional analog (2AD/2DA) and weighing modules
Ports: Ethernet (RJ45), RS‑232, 2× RS‑485, optional CAN
Display: LCD status screen, RUN/STOP switch
Power: 24 VDC, current draw ~150 mA + I/O load
Dimensions: ~180 × 100 × 60 mm (depending on configuration)
Mounting: DIN‑rail
Software: Mitsubishi GX Developer compatible instruction set
Brand or Manufacturer Info
Sold under the Lollette brand, the GT3U series offers cost-effective FX3U-compatible PLCs and supports international companies with modular design and industrial-grade components.
Purchase Recommendations
Lollette: Lollette GT3U‑64 Industrial PLC Controller