Allen-Bradley 1794-ACNR Flex I/O ControlNet Redundant Media Adapter Module
$123.00
$320.00
Description
Allen-Bradley 1794-ACNR Flex I/O ControlNet Redundant Media Adapter Module
Configured for redundant ControlNet communication management in Flex I/O 1794 systems, the Allen-Bradley 1794-ACNR (1794-ACNR Flex I/O ControlNet Adapter Module) provides direct network data exchange and field I/O interface execution. The adapter supports dual ControlNet ports and connection of up to eight Flex I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1794-ACNR |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.79 lbs |
| Operating Temp | -20 deg C to 55 deg C |
| Power Consumption | 400 mA maximum from external 24 VDC supply |
| Product Line | Flex I/O 1794 |
| Module Type | Flex I/O ControlNet Redundant Media Adapter |
| Communication Protocol | ControlNet V 1.25 |
| Communication Ports | Two ControlNet BNC ports |
| Communication Rate | 5 Mbps |
| Mounting Type | DIN rail |
| Supported I/O Modules | Up to 8 Flex I/O modules |
| Input Voltage Range | 19.2 to 31.2 VDC |
| Nominal Input Voltage | 24 VDC |
| Power Dissipation | 4.6 W maximum at 19.2 VDC |
| Thermal Dissipation | 15.7 BTU/hr at 19.2 VDC |
| FlexBus Output Current | 640 mA maximum |
| Isolation Voltage | 850 VDC |
| Inrush Current | 23 A for 2 ms |
| Operating Shock | IEC 60068-2-27 Test Ea, 30 g |
| Vibration | IEC 60068-2-6 Test Fc, 5 g at 10-500 Hz |
Deterministic ControlNet Network Communication
The 1794-ACNR implements Allen-Bradley ControlNet redundant media communication for Flex I/O architectures. The adapter provides dual ControlNet communication ports for redundant network connection and maintains data transfer at a 5 Mbps communication rate.
The module supports I/O density scaling by allowing multiple Flex I/O modules to connect through a single adapter interface. ControlNet network configuration requires correct node addressing, media installation, and controller-side communication setup.
The adapter architecture supports firmware flash compatibility verification between the communication adapter and connected control platform components. Status indicators provide visual monitoring for communication channels and I/O operation states.
Frequently Asked Questions
Q: How many Flex I/O modules can be connected to the 1794-ACNR?
A: The adapter supports connection of up to eight Flex I/O modules.
Q: What communication interface is provided by the 1794-ACNR?
A: The module provides two ControlNet BNC communication ports supporting redundant ControlNet media operation.
Q: What is the operating power supply requirement for the 1794-ACNR?
A: The adapter requires a 24 VDC nominal supply with an input voltage range of 19.2 to 31.2 VDC.
Field Installation Guidelines
Install the 1794-ACNR on a compatible DIN rail mounting system and verify mechanical engagement before connecting field wiring. Confirm the 24 VDC supply polarity and voltage range prior to energizing the adapter.
Route ControlNet communication cables separately from high-voltage power conductors to reduce electromagnetic interference. Install ControlNet media according to network topology requirements and verify connector integrity at both communication ports.
Before system operation, verify adapter configuration, ControlNet node settings, FlexBus module connections, and communication status indicators. Confirm all connected I/O modules are correctly recognized by the controller before enabling normal control functions.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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