Allen‑Bradley 1794‑ACN ControlNet Adapter – FLEX I/O

1794-ACN ControlNet Adapter

Allen‑Bradley 1794‑ACN is a high‑speed ControlNet adapter for FLEX I/O systems. It transfers data between controllers and I/O devices at 5 Mbit/s. This adapter supports up to 8 modules and delivers reliable, repeatable communication for demanding automation tasks.

Key functions: 24V DC input (range 19.2‑31.2V), internal conversion to 5V DC for backplane power, and 850V DC isolation for robust protection. Ideal for mixed analog/digital points—up to 64 analog inputs, 32 analog outputs, or 256 digital I/O points.

Technical Specifications

• ControlNet Cable: Belden RG‑6/U
• Mounting: DIN rail, panel, or wall
• Compliance: CE (PELV/SELV required)

Installation & Maintenance

• Mounting: Snap onto DIN rail or secure with two screws for panel/wall.
• Wiring: Use shielded ControlNet cable (RG‑6/U) for best noise immunity.
• Maintenance: LED indicators for status and network activity simplify troubleshooting.
• Diagnostics: Built‑in self‑tests and module status reports via scanner.

Compatibility & Environment

• Works with all 1794 FLEX I/O modules (analog, digital, specialty).
• Operates in ‑20°C to +60°C ambient temperature.
• High immunity to electrical noise (850V isolation).
• Suitable for harsh industrial environments.

Certifications & Package

• Certifications: CE, UL, cUL (pending).
• Package includes: 1794‑ACN adapter, user manual (digital).
• Warranty: 12‑month limited warranty against defects.

Typical Applications

• High‑speed data exchange in control networks.
• Distributed I/O for PLC‑based systems.
• Retrofit or expansion of existing FLEX I/O installations.

Frequently Asked Questions

• Q: Can I use this with 120V AC? No, only 19.2‑31.2V DC.
• Q: How many modules can I connect? Up to 8 modules per adapter.
• Q: Does it support mixed I/O types? Yes, analog and digital mixed.
• Q: Is the cable included? No, use Belden RG‑6/U separately.

Why Buy From Oiltech Controls?

• Over 15 years of experience in industrial automation spares.
• Global shipping via FedEx, UPS, DHL.
• All items tested before shipment (surplus/refurbished).
• 12‑month warranty and technical verification.
• Support for obsolete and legacy systems.

Contact us: info@oiltechcontrols.com or +86 158 8020 0923 (WhatsApp).

Shipping: FedEx, UPS, DHL – worldwide express delivery.

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