FAs-66MT-AC-N offers a powerful combination of hardware capabilities, communication flexibility, and software features, making it suitable for a range of industrial automation applications. The compact design, wide operating temperature range, and certification ensure its adaptability to diverse environments.

1. Powerful Hardware Configuration:

  • Hardware based on a 32-bit microcontroller with Arm® Cortex®-M4 core, running at a main frequency of 200MHz.
  • Enhanced hardware interference resistance, ensuring stability in the face of power fluctuations in the electrical grid, guaranteeing continuous and efficient machine operation.
  • Compiled low-level software providing extremely short scan cycles, with execution speeds over 10 times faster than similarly configured interpretable PLCs.

2. Rich Communication Interfaces:

  • Two RS485 communication ports supporting Modbus RTU and custom communication protocols.
  • One high-speed USB download port, facilitating PLC monitoring and downloading from any communication interface.

3. Comprehensive Performance and Flexibility:

  • Main unit supports 4 channels of high-speed pulse output, 8 channels of high-speed count input, and robust motion control capabilities.
  • Powerful instruction set.
  • Right expansion module based on CAN communication, supporting communication rates up to 1Mbps and expandable up to 64 extension modules.
  • Extension modules can operate as independent control units running programs.
  • Two front-facing small plug-in extension modules for flexible combinations of digital IO modules, analog modules, and temperature modules, offering plug-and-play functionality.

4. Upgraded Upper-Level Software – SamSoar2022:

  • Compilation speed less than 0.5 seconds, download speed less than 3 seconds, with support for 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, supporting function block programming in C language.
  • Software adopts a compiled architecture to ensure resistance to decompilation and program cracking.
  • Rich 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.

Physical Characteristics:

  • 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 adaptable 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
  • Analog-to-Digital 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: NO
  • USB Device Port: Supports upload and online monitoring


  • Upper-level Software: SamSoar2022