Đặc trưng chính của bộ lập trình PLC M91

  • Tùy chọn I/O (đầu vào/đầu ra): analog – tương tự, digital – số, high-speed – tốc độ cao, nhiệt độ và trọng lượng.
  • Cổng giao tiếp: RS232/RS485
  • Truyền thông: Modbus, CANbus
  • Cổng COM hỗ trợ nâng cao: SMS qua GSM


An affordable All-in-One programmable controllers: a smart PLC with a textual HMI and keyboard, plus onboard I/O configurations; expands up to 150 I/Os.


  • Shaft-encoder inputs and PWM outputs
  • Direct temperature inputs
  • Auto-tune PID, up to 4 loops
  • Date & time-based control Database
  • Full source upload


  • Up to 80 user-designed screens
  • Multilingual: supports over 15 languages and 20 graphic symbols
  • Scroll between pre-programmed recipes/menus
  • Memory and communication monitoring  via HMI – No PC needed


  • SMS messaging via GSM
  • Remote access utilities
  • PC access via MODBUS or OPC server
  • Supports MODBUS protocol
  • CANbus  (in C models only)
  • User-defined ASCII strings, enable communication with external devices
  • RS232/RS485 built-in port


  • I/O options include digital, analog, high-speed, temperature & weight measurement

Oder code

M91 M91 Series PLC/HMI M91-2-R1 M91,2x16DISP,10/6IO,1AN Unitronics Vietnam
M91-2-R34 M91 OPLC, 2x16 DISPLAY, 22/12 IO Unitronics Vietnam
M91-2-R2C M91 OPLC,2x16, 10/6IO,2ANA,CAN Unitronics Vietnam
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M91-2-T38 M91 OPLC, 2x16 DISPLAY, 22/16 IO Unitronics Vietnam
M91-2-T2C M91 OPLC,2x16,12/12IO,2ANA,CAN Unitronics Vietnam
M91-2-RA22 M91 OPLC, 2x16,12/10 IO, 2 UNIV Unitronics Vietnam
M91-2-UA2 M91 OPLC, 2x16, 12/10 IO,AN I/O Unitronics Vietnam
M91-2-UN2 M90 OPLC, 2x16, 12/12IO,2UNIV Unitronics Vietnam
M90-T M90 OPLC, 24VDC, 8/6 IO Unitronics Vietnam
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M90-19-B1A M90-19-B1A Unitronics Vietnam