# Industrial PLC Controller Arduino, A1-10MR, ATMega328, LCD1602

> Industrial PLC controller compatible with Arduino, model A1-10MR, featuring an easily replaceable ATMega328 DIP28 processor, 16MHz, 32KB Flash, 2KB SRAM, 1KB EEPROM. Powered by 24VDC (20-28V), LCD1602 display with backlight via IIC. Includes 6 NPN digital inputs, 3 analog inputs 0-10V (10 bit), 4 relay outputs 5A AC/DC. DIN rail mounting, RS232 communication, screw terminals, programmable via Arduino IDE.

- Page: https://sigmanortec.ro/en/industrial-plc-controller-arduino-a1-10mr-atmega328-lcd1602
- Price: 233.12 RON
- Availability: In stock; 1-2 zile
- Reference: 9165 · EAN: 5944024831224
- Category: Mechatronics and IoT > Development Board > Arduino Compatible Boards
- Specifications: Model: A1-10MR
- Package (shipping data): 0.21 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 05:45 (Europe/Bucharest)

## Description

Arduino compatible industrial PLC controller for simple automation, with 24VDC power supply and easy-to-replace ATMega328 DIP28 processor. It has LCD1602 display with backlight via IIC for quick status display. It offers 6 NPN digital inputs, 3 0-10V analog inputs and 4 5A relay outputs. DIN rail mounting, RS232 connection and screw terminals for quick wiring.
Arduino compatible industrial assembly, with DIP28 type ATMega328p processor, easy to replace, with plastic case with rail installation and connection via RS232 interface.
Wiring is easily done through the screw terminals. On the front, it has a 1602 LCD type display with backlight connected through the IIC interface.
It can be programmed through the Arduino IDE.
Specifications:
Supply voltage: 24VDC recommended (possible between 20 and 28V)
Microcontroller: DIP28 ATMega328, easily replaceable
Processor frequency: 16MHz
Flash memory: 32KB (0.5KB occupied by the bootloader)
SRAM: 2KB
EEPROM: 1KB
Logic voltage: 5V
Model: A1-10MR
Display: 1602 LCD
Programming: Arduino C - Arduino IDE
Analog Input: 0-10V default, 10 bit
Analogue channels: 3
Digital Input pins: 6 channels (NPN, active low)
Digital Output Pins: 4 channels
Output Type: Relay (x4)
Maximum Relay Current: 5A, AC/DC
I/O current: Max 40mA
Input signal: NPN
Communication method: RS232
Overall dimensions mm: 115 x 96 x 41mm
Arduino UNO ports 0-1-3, A0 and A5 are reserved.