Mitsubishi FX3U-2HC PLC Extension Module

Series#: Mitsubishi

Product Details

Mitsubishi PLC Extension Module FX3U-2HC – High-speed 2-channel counter for precise motion control.
Supports 1-phase (up to 100 kHz) and 2-phase (up to 50 kHz) high-speed counting.
Seamless integration with FX3U/FX3UC series PLCs for expanded I/O and timing.
Robust auxiliary relays, timers, and data registers (8,000 total) for complex automation.
Ideal for packaging, labeling, and conveyor systems requiring high-accuracy feedback.
100% Original product. We provide efficient, traceable, and secure global shipping solutions.

Specification

The Mitsubishi PLC Extension Module FX3U-2HC is a high-performance 2-channel high-speed counter module engineered for demanding industrial automation applications. Designed for seamless integration with the FX3U and FX3UC series, this module delivers exceptional counting accuracy and speed, enabling precise positioning, frequency measurement, and event counting in manufacturing lines, robotics, and material handling systems. Its robust architecture ensures reliable operation in harsh environments, while the advanced timer and counter resources—including 512 total timers and 235 counters—provide flexibility for complex control logic. With 8,000 data registers and 32,768 extension registers, it offers ample storage for process data and historical trends, making it a vital component for scalable and intelligent automation solutions.

Parameter	FX3G/FX3GC/FX3GE	FX3U/FX3UC
Auxiliary Relays	7,680 total: 384 general (M0–M383), 1,152 EEPROM latched (M384–M1535), 6,144 general/optional latched (M1536–M7679)	7,680 total: 500 general (M0–M499), 524 optional latched (M500–M1023), 6,656 latched (M1024–M7679)
State Relays	4,096 total: 1,000 EEPROM latched (S0–S999), 3,096 general/optional latched (S1000–S4095)	4,096 total: 1,000 optional latched (S0–S999), 3,096 latched (S1000–S4095)
Timers	320 total: 206×100 ms (T0–T199, T250–T255), 46×10 ms (T200–T245), 68×1 ms (T246–T249, T256–T319)	512 total: 206×100 ms (T0–T191, T192–T199, T250–T255), 46×10 ms (T200–T245), 260×1 ms (T246–T249, T256–T511)
Counters	235 total (16-bit and 32-bit): 36 general (C0–C15, C200–C219), 199 EEPROM latched (C16–C199, C220–C234)	235 total (16-bit and 32-bit): 120 general (C0–C99, C200–C219), 115 latched (C100–C199, C220–C234)
High-Speed Counter Speed	1-phase: 6 points max 60 kHz / 4 points 10 kHz / 2 points; 2-phase: 3 points max 30 kHz / 2 points 5 kHz / 1 point	1-phase: 8 points max 100 kHz / 6 points 10 kHz / 2 points; 2-phase: 2 points max 50 kHz / 2 points
Data Registers	8,000 total: 128 general (D0–D127), 972 EEPROM latched (D128–D1099), 6,900 general/optional latched (D1100–D7999)	8,000 total: 200 general (D0–D199), 312 optional latched (D200–D511), 7,488 latched (D512–D7999)
Extension Registers	24,000 (R0–R23999)	32,768 (R0–R32767)
Extension File Registers	24,000 (ER0–R23999) internal/optional memory	32,768 (ER0–R32767) optional memory

High-Speed Counting Capability: Supports 2 independent channels with maximum counting frequency of 100 kHz (1-phase) and 50 kHz (2-phase), ideal for incremental encoders and high-speed pulse trains.
Memory and Data Handling: Offers 8,000 data registers (D) and up to 32,768 extension registers (R) for storing process variables, alarm logs, and historical data, with EEPROM latching for non-volatile retention.
Timer and Counter Resources: Includes 512 timers (1 ms to 100 ms resolution) and 235 counters (16-bit and 32-bit), providing granular control for time-based sequences and event counting in complex automation workflows.
Relay Flexibility: 7,680 auxiliary relays and 4,096 state relays support extensive ladder logic programming, with optional latching for critical status preservation during power cycles.
Compatibility and Expansion: Fully compatible with FX3U/FX3UC base units, allowing easy daisy-chaining of additional I/O modules and special function blocks for scalable system design.
Industrial-Grade Reliability: Built with EEPROM memory for data retention, robust electromagnetic compatibility (EMC), and wide operating temperature range, ensuring stable performance in factory floor environments.