The Allen Bradley 1794-ACN15 is a FLEX I/O ControlNet Adapter Module designed to connect distributed FLEX I/O systems to a ControlNet industrial network. It acts as a communication gateway between the controller and up to 8 FLEX I/O modules, enabling deterministic, high-speed data exchange in large-scale automation architectures.
Built for demanding industrial environments, this adapter is widely used in manufacturing, process control, and infrastructure automation systems where reliable real-time communication and modular I/O expansion are required. Its rugged design and ControlNet V1.5 protocol support make it a stable choice for legacy and hybrid industrial networks.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model Number | 1794-ACN15 |
| Product Family | FLEX I/O |
| Module Type | ControlNet Adapter Module |
| Communication Protocol | ControlNet V1.5 |
| Network Speed | 5 Mbps |
| Input Voltage | 24 V DC (19.2–31.2 V DC) |
| Current Draw | Approx. 400–450 mA |
| I/O Capacity | Up to 8 FLEX I/O modules |
| Flexbus Output Current | Max 640 mA |
| Power Dissipation | Approx. 3.4–4.6 W |
| Isolation Voltage | Up to 850 V DC |
| Mounting Type | DIN rail / open-style |
| Function | I/O network communication adapter |
Physical Dimensions & Weight
| Mechanical Property | Specification |
|---|---|
| Overall Dimensions (L × W × H) | Approx. 69 × 94 × 87 mm |
| Net Weight | Approx. 0.23 kg |
Recommended Related Models
The 1794-ACN15 is typically used as part of a FLEX I/O ControlNet system with modular I/O and communication components.
| Related Model | Description |
|---|---|
| 1794-IB16 | Digital Input Module |
| 1794-OB16 | Digital Output Module |
| 1794-IE8 | Analog Input Module |
| 1794-OE4 | Analog Output Module |
| 1794-TB3 | Terminal Base Unit |
| 1794-TB2 | Terminal Base Unit |
| 1794-ACNR15 | Redundant ControlNet Adapter |
| 1756-CN2 | ControlLogix ControlNet Module |
| 1756-EN2TR | Ethernet/IP Communication Module |
| 1783-US8T | Industrial Ethernet Switch |
Popular Allen Bradley Automation Products
Allen Bradley systems are widely adopted in industrial automation for scalable control, reliable communication, and flexible I/O integration.
| Popular Model | Product Category |
|---|---|
| 1756-L85E | ControlLogix Controller |
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| 1734-AENTR | POINT I/O Adapter |
| 1606-XLS240E | Power Supply Module |
| 1756-EN2TR | Ethernet/IP Communication Module |
| 1794-IE8 | FLEX I/O Analog Module |
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