Allen Bradley 1794-ACNR15 Adaptor Module

The AB 1794-ACNR15 is a FLEX I/O ControlNet adapter module designed to interface distributed FLEX I/O assemblies with a ControlNet network. Supporting redundant media for increased network reliability, this adapter enables high-speed deterministic I/O updates across critical automation applications.

With support for up to 8 FLEX I/O modules and operating at 24V DC, the 1794-ACNR15 is ideal for scalable, decentralized I/O systems requiring robust network performance and system integrity.

Technical Specifications

Model: 1794ACNR15
Series: FLEX I/O
Type: ControlNet Adapter Module
Input Voltage Range: 24V DC (nominal)
Mounting Type: DIN rail
Modules Supported: Up to 8 FLEX I/O modules
Redundancy Support: Dual BNC ports for ControlNet redundant trunk lines
Integrated Power Supply: No (requires external 24V DC)

Electrical Specifications

Supply Voltage: 24V DC
Voltage Type: DC
Power Consumption: ~2.8 W
Isolation Voltage: 30V (continuous), basic insulation
Power Supply Protection: Reverse polarity protection
Field Power Distribution: Shared via terminal base

Network & Interface Specifications

Supported Protocols:
✅ ControlNet
✅ Modbus (via supported controllers)
✅ Other bus systems (via network gateways)
❌ EtherNet/IP
❌ DeviceNet
❌ PROFIBUS
❌ TCP/IP
❌ IO-Link

Media Type: Coaxial (RG-6)
Connector Type: Dual BNC (redundant media support)
Communication Rate: 5 Mbps (fixed, ControlNet standard)
Network Role: Adapter node (I/O scanner or producer/consumer model)
Compatible FLEX Terminal Bases: 1794-TB2, TB3, TB3S, TB3T, etc.
Diagnostics: LED status indicators for module, network, and media health

Mechanical Specifications

Enclosure Type: Open module – for use within protective enclosures
Width: 94 mm
Height: 87 mm
Depth: 69 mm
Mounting Orientation: Horizontal DIN rail
Weight: Approx. 250 g
Module Locking Mechanism: Mechanical latch to terminal base

Environmental Specifications

Operating Temperature: 0…55 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Shock Rating: 30 g operational
Vibration Resistance: 2 g @ 10–500 Hz
Pollution Degree: 2
Altitude Limit: Up to 2000 m
Application Suitability: Indoor, control panel environments

Compliance & Certifications

Certifications: UL, c-UL, CE, RoHS
Standards Met: EN 61131-2, IEC 61000-6-2 / 6-4
EMC Compliance: Yes
Use with: Allen Bradley FLEX I/O modules and terminal bases
Safety Category: General purpose (not SIL-rated)

Key Features & Benefits

✅ Redundant ControlNet Media Support – Dual BNC connectors for fault-tolerant communication

✅ Flexible I/O Expansion – Supports up to 8 FLEX I/O modules for scalable control

✅ DIN Rail Mounted – Easy integration into distributed control cabinets

✅ Compact Modular Design – Ideal for decentralized and space-constrained applications

✅ Reliable Network Diagnostics – LED indicators for connection and fault monitoring

📦 Order the Allen Bradley 1794-ACNR15 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1794-ACNR15 prices. This ControlNet FLEX I/O adapter delivers high-speed communication with redundant media support—perfect for modular and distributed industrial control systems.

Click here to request a quote or check availability

Drive Outlet Megastore – your trusted source for Allen Bradley FLEX I/O systems and ControlNet adapters.