Product Description
Allen-Bradley 1794-ACN15 FLEX I/O ControlNet Adapter
Product Overview
The Allen-Bradley 1794-ACN15 is a FLEX I/O ControlNet Adapter designed for use in distributed I/O systems. It enables communication between FLEX I/O modules and a ControlNet network, providing a high-speed, real-time connection. This module supports 8 FLEX I/O modules and operates at a 5 Mbps communication rate, making it an efficient choice for industrial automation applications.
Technical Specifications
| Attribute | 1794-ACN15 Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model Number | 1794-ACN15 |
| Description | FLEX I/O ControlNet Adapter |
| I/O Capacity | 8 Modules |
| Supply Voltage (Input) | 19.2…31.2V DC, 400 mA |
| Supply Voltage (Output) | 5V DC, 640 mA |
| Inrush Current | 14 A for 2 ms |
| Communication Rate | 5 Mbps |
| Status Indicators | I/O Status (Red/Green) Comm A (Red/Green) Comm B (Red/Green) |
| Isolation Voltage | 50V (Continuous), Basic Insulation Type Type Tested at 860V AC for 60 s (Power-System, Power-ControlNet, ControlNet-System) |
| Power Dissipation (Max) | 3.4 W @ 19.2V DC |
| Terminal Screw Torque | 0.8 N•m (7 lb•in) |
| Wire Size (Power Connections) |
Single Wire: 0.33…2.5 mm² (22…12 AWG) solid or stranded copper wire Double Wire: 0.33…1.3 mm² (22…16 AWG) solid or stranded copper wire |
| Wire Category | Category 3 (Power Ports) Category 2 (Communications Ports) |
| Dimensions (HxWxD) | 87.4 x 94 x 92 mm (3.44 x 3.7 x 3.6 in.) |
| Weight (Approx.) | 220 g (7.76 oz) |
| Enclosure Type Rating | None (Open-Style) |
| ControlNet Cable | Belden RG-6/U |
| North American Temperature Code | T4A |
| UKEX/ATEX Temperature Code | T4 |
| IECEx Temperature Code | T4 |
Environmental Specifications
| Attribute | 1794-ACN15 & 1794-ACNR15 | 1794-ACNR15XT |
|---|---|---|
| Operating Temperature | -25…+55°C (-13…+131°F) | -25…+70°C (-13…+158°F) |
| Non-Operating Temperature | -40…+85°C (-40…+185°F) | Same |
| Max Surrounding Air Temperature | 55°C (131°F) | 70°C (158°F) |
| Relative Humidity | 5…95% (Non-Condensing) | Same |
| Vibration | 5 g @ 10…500 Hz | Same |
| Shock (Operating) | 30 g | Same |
| Shock (Non-Operating) | 50 g | Same |
EMC & Electrical Immunity
| Test | Standard | Level |
|---|---|---|
| Emissions | IEC 61000-6-4 | Industrial Environment |
| ESD Immunity | IEC 61000-4-2 | 6 kV Contact, 8 kV Air |
| Radiated RF Immunity | IEC 61000-4-3 | 10V/m (80…6000 MHz, 1 kHz sine-wave, 80% AM) |
| EFT/B Immunity | IEC 61000-4-4 | ±4 kV (Power Ports), ±2 kV (Comm Ports) |
| Surge Transient Immunity | IEC 61000-4-5 | ±2 kV Line-Earth (CM) on Comm Ports |
| Conducted RF Immunity | IEC 61000-4-6 | 10V RMS (150 kHz…80 MHz, 1 kHz sine-wave, 80% AM) |