FAs-66MT-AC-E1 combines powerful hardware, flexible communication, robust performance, and user-friendly software, making it suitable for various industrial automation applications. The compact design, wide operating temperature range, and multiple certifications ensure its adaptability to diverse environments.

Powerful Hardware and Software Configuration

  1. Robust Hardware Configuration:

    • Built on a 32-bit microcontroller with Arm® Cortex®-M4 core.
    • Operating at a main frequency of 200MHz, the hardware is enhanced for resistance to interference, ensuring stability in the face of power fluctuations and guaranteeing continuous and efficient operation.
    • The compiled low-level software ensures extremely short scan cycles, with execution speeds exceeding 10 times that of interpretable PLCs with similar configurations.
  2. Versatile Communication Interfaces:

    • Equipped with 1 Ethernet interface supporting Modbus TCP/IP protocol.
    • Features 2 RS485 communication ports supporting Modbus RTU and custom communication protocols.
    • Includes 1 high-speed USB download port, allowing PLC monitoring and downloading from any communication interface.
  3. Flexible and Comprehensive Performance:

    • The Ethernet host supports 4 high-speed pulse outputs and 8 high-speed count inputs, providing robust motion control capabilities.
    • Powerful instruction set.
    • Incorporates a right expansion module based on CAN communication, with a communication speed of up to 1Mbps and the ability to expand up to 64 extension modules.
    • Extension modules can operate as independent control units running programs.
    • Supports 2 front-facing small plug-in extension modules, enabling flexible combinations of digital IO modules, analog modules, and temperature modules with plug-and-play capability.
  4. Upgraded Upper-Level Software – SamSoar2022:

    • Compilation speed less than 0.5 seconds, download speed less than 3 seconds, and allows online program editing.
    • SamSoar2022 supports programming through instruction tables, function block diagrams, and SFC step ladder diagrams. The user interface is highly customizable and includes a rich set of PLC instructions. Function blocks can be written in C language.
    • The software adopts a compiled architecture to ensure resistance to decompilation and program cracking.
    • Offers compatibility with competitors’ programs, allowing direct conversion of ladder diagrams from the same category into visible control ladder diagrams.
    • PLC programs can be downloaded through a visible control screen.

Structure and Environment

Physical Dimensions

  • Dimensions: 194x97x81 (mm)
  • Weight: 690 (g)

Operating Environment

  • Operating Temperature: -20°C to 55°C (non-freezing)
  • Operating Humidity: 5% to 95% RH (non-condensing)
  • Shock Resistance: 10-25Hz (XYZ direction 2G/30 minutes)

Power Supply

  • Power Consumption
  • Power Supply: AC 100V to 240V

Input Parameters

  • Digital Input: 34
  • Analog Input: Expandable through plug-ins
  • Input Modes: Supports SINK/SOURCE (sourcing/sinking), with internal common point terminals S/S and external common line wiring transformation.
  • Input Signal Voltage: DC24V ± 20%
  • High-Speed Counting: 4 channels single-phase (X0, X2, X4, X6) at 200KHZ
  • AB Phase Counting: 4 channels AB phase (X0X1, X2X3, X4X5, X6X7) at 200KHZ
  • Measurement Range: Maximum input range
  • Maximum Resolution
  • Digital-to-Analog Conversion Accuracy
  • Comprehensive Measurement Accuracy

Output Parameters

  • Digital Output: 32
  • Analog Output: Expandable through plug-ins
  • Output Types: Transistor/NPN
  • Output Mode: Voltage Output: 24V
  • Pulse Output: 4 channels, each up to 200KHZ
  • Output Accuracy
  • Output Range
  • Maximum Inductive Load: 6W
  • Maximum Resistive Load: Single point 0.3A, common point 1A
  • Output Load Impedance: Maximum Resolution


  • FCC Compatibility: Complies with FCC, Class A
  • Withstand Voltage Test: 1000V AC, 1 minute
  • CE Certification: Complies with EN55032 and EN55035 standards
  • Protection Level: IP30


  • RS232: NO
  • RS485: 2 RS485 ports supporting serial communication
  • RJ45: NO
  • Ethernet: YES
  • USB Device Port: Supports upload and online monitoring


  • Upper-level Software: SamSoar2022