Description
The Rockwell Automation 1794 Series EtherNet/IP Adapters are a family of industrial communication modules designed for distributed I/O systems in automation applications. This series includes the 1794-AENTRXT (extended temperature dual-port), 1794-AENT (standard single-port), 1794-AENTR (redundant dual-port), and 1794-ASB (remote I/O adapter) models. These adapters serve as communication interfaces between Flex I/O modules and controllers, supporting EtherNet/IP protocol for real-time data exchange. Featuring DIN-rail mounting, compact design, and robust construction, they provide reliable connectivity in industrial environments. With support for multiple I/O modules, flexible network topologies, and diagnostic capabilities, these adapters enable efficient distributed control architectures for factory automation, process control, and machine monitoring applications.
Individual Model Specifications
Model Number | Port Type | Port Count | Communication Protocol | Temperature Range | Special Features |
|---|---|---|---|---|---|
1794-AENTRXT | RJ45 Ethernet | 2 ports | EtherNet/IP | -25°C to +70°C | Dual-port, extended temperature, IP20 |
1794-AENT | RJ45 Ethernet | 1 port | EtherNet/IP | 0°C to +55°C | Standard single-port, IP20 |
1794-AENTR | RJ45 Ethernet | 2 ports | EtherNet/IP | 0°C to +55°C | Redundant dual-port, DLR support |
1794-ASB | Remote I/O | 1 port | Remote I/O (RIO) | 0°C to +55°C | Legacy RIO protocol, 57.6-230.4Kbps |
Key Features
- Communication Protocols: EtherNet/IP (AENT series), Remote I/O (ASB)
- Network Topology: Linear, star, ring (DLR support for AENTR)
- I/O Module Support: Up to 8 Flex I/O modules per adapter
- Mounting: DIN-rail mounting (35mm)
- Power Supply: 19.2-31.2V DC (±10% ripple)
- Diagnostic LEDs: Power, network status, link status indicators
- Configuration: Studio 5000 Logix Designer or RSLogix 5000
- Country of Origin: USA (Rockwell Automation)
Technical Specifications
Electrical Characteristics:
- Input Voltage: 19.2-31.2V DC
- Power Consumption: 7.3W typical (24V DC)
- Current Consumption: 450mA max (24V DC)
- Communication Speed: 10/100 Mbps (EtherNet/IP), 57.6-230.4Kbps (RIO)
- Isolation: 1500V AC (channel to backplane)
Mechanical Characteristics:
- Dimensions: Approx. 87×94×69mm (AENT/AENTR), varies by model
- Weight: 227g typical
- Mounting: DIN-rail (35mm)
- Terminal Type: Screw terminals
- Housing Material: Thermoplastic (UL94 V-0)
Environmental Specifications:
- Operating Temperature: 0°C to +55°C (standard), -25°C to +70°C (AENTRXT)
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5-95% RH (non-condensing)
- Protection Rating: IP20 (front panel)
- Vibration: 5g (operating), 50g (non-operating)
- Shock: 30g (operating), 50g (non-operating)
Communication Parameters:
- EtherNet/IP Models: 10/100 Mbps auto-negotiation, TCP/IP, UDP/IP
- RIO Model: 57.6Kbps, 115.2Kbps, 230.4Kbps selectable
- Network Address: DIP switch or software configurable
- Data Update Rate: Configurable (typically 10-100ms)
Standards Compliance:
- IEC/EN 61131-2, UL 508, CSA C22.2 No. 142
- CE, RoHS compliant
- EtherNet/IP conformance tested
Detailed Model Comparison
Parameter | 1794-AENTRXT | 1794-AENT | 1794-AENTR | 1794-ASB |
|---|---|---|---|---|
Ethernet Ports | 2 (dual-port) | 1 | 2 (redundant) | N/A |
Communication | EtherNet/IP | EtherNet/IP | EtherNet/IP | Remote I/O |
Speed | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps | 57.6-230.4Kbps |
Temperature | -25°C to +70°C | 0°C to +55°C | 0°C to +55°C | 0°C to +55°C |
DLR Support | Yes | No | Yes | No |
Redundancy | Media redundancy | No | Network redundancy | No |
I/O Modules | 8 max | 8 max | 8 max | 8 max |
Power Consumption | 7.3W | 7.3W | 7.3W | 7.9W |
Typical Application | Harsh environment | Standard automation | High availability | Legacy systems |
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for configuration and installation
- Wiring diagrams and network setup guidance
- Compatibility verification with existing systems
- Commissioning and diagnostics support available
Delivery Time
- Standard delivery: 3-5 working days (in stock items)
- Express shipping available upon request
- Custom configurations: 7-14 working days
Why Choose Our Store
- Genuine Rockwell Automation components from authorized sources
- Global supply network with competitive pricing
- Expertise in industrial automation systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Distributed I/O systems in factory automation
- Machine control panels and operator stations
- Process control systems with remote I/O
- Conveyor systems and material handling
- Packaging machinery with distributed control
- Automotive assembly lines
- Water treatment plants and pump stations
- Building automation systems
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