Description
Allen‑Bradley 1794-ACN15 – FLEX I/O ControlNet Communication Adapter Module
Product Overview
The 1794-ACN15 is a high-performance ControlNet communication adapter module manufactured by Allen‑Bradley (Rockwell Automation), serving as the core network interface for the 1794 FLEX I/O series. This adapter enables seamless high-speed data exchange between FLEX I/O racks and ControlNet industrial network controllers, realizing remote signal acquisition, real-time data transmission and system linkage control. It integrates a built-in power conversion circuit to supply stable power for backplane I/O modules, solving unstable communication and power supply matching issues in distributed automation systems. Featuring robust industrial EMC performance, flexible I/O expansion capacity and long-term operational stability, the Allen‑Bradley 1794-ACN15 provides reliable network communication guarantee for discrete and process industrial automation projects.
Technical Specifications
-
Brand: Allen‑Bradley (Rockwell Automation)
-
Model:1794-ACN15
-
Warranty: One Year
-
Condition: 100% New & Original
-
Product Type: ControlNet Communication Adapter Module for FLEX I/O
-
Communication Protocol: ControlNet V1.5 industrial real-time communication protocol
-
Input Supply Voltage: 19.2–31.2 VDC (nominal 24 VDC industrial power)
-
Input Current: 400 mA maximum input current
-
Backplane Output: 5 VDC / 640 mA power supply for FLEX I/O backplane modules
-
I/O Expansion Capacity: Supports up to 8 local FLEX I/O modules per rack
-
Signal Capacity: Covers 256 digital I/O points or 64 analog input / 32 analog output points in mixed configuration
-
Isolation Performance: Basic insulation design, 850 VDC isolation test for 1 second, effective anti-surge protection
-
Environmental Immunity: Compliant with IEC 61000-4-3 RF anti-interference standard, adapting to complex electromagnetic industrial sites
-
Operating Temperature:0°C to +55°C, suitable for standard industrial control cabinet environments
-
Mounting Method: Standard DIN rail and panel mounting, easy installation and maintenance
-
Diagnostic Design: Onboard LED status indicators for network, power and fault status visualization
-
Operational Reliability: Supports 7×24-hour continuous network communication and distributed I/O control operation

Application Scenarios
-
Factory Discrete Automation: The 1794-ACN15 adapter is widely deployed in automated production lines, packaging machinery and assembly workshop control systems. It connects distributed FLEX I/O racks to the ControlNet main network, realizing unified collection of on-site switch signals, sensor data and equipment status feedback, ensuring synchronous and efficient operation of production line logic control.
-
Process Industry Distributed Control: Applied in water treatment, metallurgy, building materials and light industry process control systems. The Allen‑Bradley 1794-ACN15 undertakes long-distance transmission of analog process parameters and discrete interlock signals, stabilizing network communication quality of distributed I/O nodes and improving the overall integration and control accuracy of the automation system.
-
Intelligent Equipment Renovation & Expansion: Ideal for upgrading and expanding legacy Rockwell automation systems. It perfectly matches classic ControlNet architecture and FLEX I/O hardware, enabling stable networking and functional expansion of old equipment, effectively reducing renovation costs while maintaining system compatibility and operational stability.







Reviews
There are no reviews yet.