1794-ASB2 | Allen-Bradley FlexBus I/O Adapter Module
Introduction:
Allen-Bradley 1794-ASB2 FlexBus I/O Adapter, 24V DC, 350 mA, single-cable communication, supports 8 I/O modules. New original in stock with 12-month warranty.
Customer Reviews
UBEST Automation – Trusted Global Automation Parts Supplier
We offer a wide range of in-stock industrial automation spare parts. All products come with a 12-month warranty and a 30-day refund for quality issues.
Product Attributes:
Notice: For real-time prices and inventory, please click the button below to contact us.
Product Overview
The Allen-Bradley 1794-ASB2 is a FlexBus I/O adapter module. It connects remote I/O racks to a control network. This module supports single-cable communication. It reduces wiring complexity in distributed systems. The 1794-ASB2 fits standard 1794 mounting bases. It works with various Flex I/O modules. This adapter enables efficient data exchange. It is a key component for scalable automation.
Application Scenarios
Use the 1794-ASB2 in distributed control systems. It suits factory automation environments. Install it in material handling lines. Apply it in packaging machinery. It works in process control plants. Use it for remote monitoring stations. The module connects sensors and actuators. It supports both analog and digital signals. This adapter is ideal for centralized control rooms.
Technical Specifications
The 1794-ASB2 operates at 24V DC. It draws 350 mA from the backplane. The module supports single-cable FlexBus architecture. It communicates at 57.6 kbps. The adapter handles up to 8 I/O modules per rack. It provides 5V DC output at 800 mA. The module withstands 0 to 60°C ambient temperature. It stores safely at -40 to 85°C. The enclosure is rated IP20. The module weighs approximately 0.35 kg.
Installation & Maintenance Guide
Mount the 1794-ASB2 onto a 1794 terminal base. Secure it with the locking tab. Connect the FlexBus cable to the top connector. Verify power supply is off before installation. Torque terminal screws to 0.8 Nm. Use copper conductors rated for 75°C. Route cables away from high-voltage lines. Perform regular visual inspections. Clean the module with dry compressed air. Replace the module if LED indicators show faults.
Frequently Asked Questions (FAQ)
What is the primary function of 1794-ASB2?
The 1794-ASB2 acts as a communication adapter. It links remote I/O racks to a PLC or controller. It uses the FlexBus protocol for data transfer.
How many I/O modules can 1794-ASB2 support?
This adapter supports up to 8 Flex I/O modules per rack. This allows flexible system expansion.
What is the operating temperature range for 1794-ASB2?
The module operates from 0 to 60°C. It stores safely in temperatures from -40 to 85°C.
Is 1794-ASB2 compatible with existing Flex I/O systems?
Yes, it is fully compatible with all 1794 series terminal bases and I/O modules. It integrates seamlessly into existing installations.
What cable type does 1794-ASB2 require?
It uses a standard FlexBus single-cable connection. The cable is a twisted-pair shielded type for noise immunity.