The FreeWave IOE‑4422 is a compact yet powerful I/O expansion module designed for industrial and remote‑automation systems. It adds 12 additional channels. These include 4 universal, 4 input‑only, and 2 isolated digital inputs. Plus, it has 2 isolated digital outputs. Certified for Class I Division 2 hazardous locations, it is built to operate in harsh environments. It supports both wired and wireless control architectures.

Key features include:

• Adds 12 I/O channels for flexible system expansion (4 universal, 4 input‑only, 2 isolated inputs & 2 isolated outputs)
• Modular stacking support—connect up to 15 modules to a base for large‑scale I/O deployments
• Certified for Class I Division 2 environments with wide ambient operating range –40 °C to +75 °C

Whether you’re expanding field telemetry, enabling wireless I/O networks, or scaling up SCADA infrastructure, the IOE‑4422 delivers flexible, rugged and scalable I/O capability.

Contact us to find out how it integrates into your architecture.