Arduino Pro Opta Ext D1608S - AFX00006

What It Is

The Arduino Pro Opta Ext D1608S is a snap-on expansion module for the Arduino Opta micro PLC system that greatly increases I/O (inputs/outputs) capabilities:

• Adds 16 programmable voltage inputs for sensors or signals.

• Adds 8 high-quality solid-state relays for switching loads up to 24 VDC, 2 A each. It's designed for industrial automation, building management, remote control, and IoT applications by seamlessly extending Opta controllers real-time control and monitoring features.

Infographic Overview

OPTA EXT D1608S | | Expansion Module | | (AFX00006) | Type | Digital I/O Expansion |   Compatible Base | Arduino Opta PLC system | Inputs | 16 Programmable (024 V) | | Di| (24 VDC @ 2 A each) | Supply Voltage | 1224 V DC | Programming Support | Arduino IDE + PLC IDE (IEC | | 61131-3) |   Cloud Integration | Arduino Cloud (remote IoT) | Mounting | DIN Rail + Snap-on Modular | Temp Range | 20 C to +50 C | Protection | IP20 | 

Core function: More I/O for sensing, control, and automation without replacing the Opta controller.

Key Features

Expanded Input & Output

• 16 programmable inputs: Accept digital signals (024 V) or analog signals via appropriate configurations ideal for sensors, switches, or alarms.

• 8 solid-state relays: Each provides isolated load switching for up to 2 A at 24 VDC, i

  Snap-on modular design: Quickly attaches to an Arduino Opta base unit. Up to 5 expansion modules can be stacked to scale I/O capacity.

• DIN rail mountable: Fits standard control panels and industrial enclosures.

Flexible Programming

• Arduino IDE support: Develop using familiar Arduino sketches and libraries.

• PLC IDE (IEC 61131-3): Program in professional PLC languages like Ladder (LD), Structured Text (ST), Function Block (FBD), etc., for more robust control logic.

Cloud & Remote Integration

• Arduino Cloud connectivity: Enables remote monitoring, automation dashboards, and logged telemetry ideal for IoT or smart systems.

Typical Applications

Industrial automation: Machine operation, conveyor logic, management: Control HVAC, lights, security systems with extended I/O. Predictive maintenance: Gather sensor data for early fault detection. Remote/IoT monitoring: Visualize operational data with cloud dashboards.

Environmental & Safety

• Operating temp: 20 C to +50 C (industrial uses).

• IP rating: IP20 suitable for protected indoor installations.

• Certifications: CE, FCC, UKCA compliance for safety and emission standards.

Why It Matters

This expansion module transforms a standard Arduino Opta controller into a scalable industrial control system with flexible I/O and reliable relay outputs ideal when you need robust automation without cus