OVERVIEW

Official designation: Allen-Bradley 1794-ACN15 (Flex I/O, Communication Adapter)

This adapter provides single-port ControlNet connectivity for Flex I/O modules in distributed automation systems.

It facilitates high-speed data exchange at 5 Mbps and supports scalable system expansion.

KEY SPECS SUMMARY

Power: 24V DC nominal, 400 mA current max

Interfaces / Ports: Single ControlNet BNC port

Indicators: Three LEDs for module and network status

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: ControlNet, supports up to 8 I/O modules

Limit: Requires 1794-TBN or 1794-TBP terminal base

Lifecycle: Active, generally supported

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the data communication speed supported by the 1794-ACN15 adapter?

A: The adapter supports a communication rate of 5 Mbps on the ControlNet network.

Wiring & Installation:

Q: What type of connector is used for the single ControlNet communication port?

A: The adapter uses a single BNC connector for ControlNet coaxial cable connection.

Troubleshooting & Compatibility:

Q: What do the three status indicators on the 1794-ACN15 adapter represent?

A: The LEDs indicate module power, network link/status, and I/O communication status.

Replacement & Upgrades:

Q: Is the 1794-ACN15 adapter suitable for redundant ControlNet networks?

A: No, for redundant networks, use the dual-port adapter model 1794-ACNR15.