FX3U-2HC High-Speed Counter Module, Mitsubishi Melsec FX3U PLC, 2-Channel 200kHz Input Unit, Industrial Control Equipment

Mitsubishi FX3U-2HC Module

FX3U-2HC High-Speed Counter

FX3U-2HC 2-Channel

FX3U-2HC

The Mitsubishi FX3U-2HC Module is a 2-channel high-speed counter designed for precision industrial automation. The FX3U-2HC High-Speed Counter supports rapid counting up to 200kHz per channel, enabling accurate motion control and encoder feedback. With its FX3U-2HC 2-Channel architecture, it ensures reliable synchronization and data processing in demanding environments, compatible with FX3U/FX3UC PLC systems for seamless integration.

Specification

SEOSpecification

Parameter	Specification
Channels	2-Channel
Input Type	Differential/Open Collector
Max Counting Frequency	200 kHz (Differential), 50 kHz (Open Collector)
Count Range	32-bit signed (-2,147,483,648 to 2,147,483,647)
Input Signal	Phase A/B, Up/Down, CW/CCW modes
Power Supply	5-24V DC (External)
Isolation	Photocoupler isolation (Channel-to-channel, I/O)
Compatibility	FX3U Series PLC
Mounting	Via extension cable
Weight	Approx. 0.2 kg

SEOQandA

question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded and alternative models. Please provide your requirements for tailored solutions.
question:Does the company offer technical selection services?
answer:Yes, we provide technical selection assistance. Share your specifications, and we'll recommend suitable options.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major carriers. Contact us for special shipping needs.

SEOQandA_Product

question:Incorrect counting due to signal input issues.
answer:Check input mode (differential/open collector) in BFM settings. Ensure proper wiring and signal voltage (5-24V).
question:Unstable count values or erratic behavior.
answer:Verify grounding/shielding of signal cables. Adjust input filter settings (BFM#1/#2) to suppress noise interference.
question:Module not communicating with PLC.
answer:Confirm module installation position and station number. Check power supply and extension cable connection integrity.
question:High-speed response delay exceeds specifications.
answer:Optimize PLC scan time and prioritize high-speed processing. Disable unnecessary interrupts or background tasks.
question:Hardware compare function not triggering output.
answer:Validate compare settings in BFM#10-#25. Ensure matching comparison mode (BFM#0) and correct output terminal allocation.

SEODescription

The Mitsubishi FX3U-2HC Module is a 2-channel high-speed counter module designed for precise pulse counting in industrial automation. The FX3U-2HC High-Speed Counter supports two independent channels, each capable of handling single-phase inputs up to 200 kHz or dual-phase differential inputs up to 100 kHz, making it ideal for motion control and encoder applications. It connects directly to the FX3U/FX3UC PLC series via a dedicated expansion port and operates at 24 V DC with a temperature range of 0–55°C. The FX3U-2HC 2-Channel module features built-in noise resistance, flexible input modes (open collector/differential), and preset/count comparison functions. Widely used in packaging, robotics, and CNC machinery, it excels in accuracy and real-time performance but requires careful parameter configuration and is limited to Mitsubishi FX3U platform compatibility.