Allen-Bradley 1794-APBDPV1 | Flex I/O PROFIBUS Communications Adapter

Overview

The Allen-Bradley 1794-APBDPV1 is a high-performance Flex I/O PROFIBUS communications adapter designed for industrial automation. It supports up to 8 I/O modules, allowing scalable and flexible network integration.

This adapter operates with a nominal input voltage of 24V DC and a maximum input current of 385 mA. It delivers reliable communication at speeds up to 12 Mbits/s, making it suitable for real-time control and monitoring applications.

Equipped with a standard PROFIBUS drop cable and 9-pin D-shell connector, the 1794-APBDPV1 ensures seamless integration into existing PROFIBUS networks. Its Flexbus output current reaches up to 640 mA, supporting multiple connected modules efficiently.

The module handles inrush currents of 23A for 2 ms and has a maximum power dissipation of 4.2 W at 19.2V DC. Thermal dissipation reaches 14 BTU/hr, ensuring stable operation under continuous loads.

Operating temperatures range from 0°C to 55°C, while storage temperatures extend from -40°C to 85°C. The 1794-APBDPV1 also withstands vibration up to 5 g at 10–500 Hz and shock up to 30 g during operation, making it reliable in harsh industrial environments.

Key Features

• Brand: Allen-Bradley

• Model: 1794-APBDPV1

• Product Type: Flex I/O PROFIBUS Communications Adapter

• I/O Capacity: 8 Modules

• Input Voltage Rating: 24V DC nominal

• Input Current: 385 mA max

• Inrush Current: 23 A for 2 ms

• Communication Rate: Up to 12 Mbits/s

• PROFIBUS Cable: Standard Drop

• PROFIBUS Connector: 9-pin D-shell

• Flexbus Output Current: 640 mA max

• Power Dissipation: 4.2 W @ 19.2V DC

• Thermal Dissipation: 14 BTU/hr @ 19.2V DC

• Operating Temperature: 0–55°C

• Storage Temperature: -40–85°C

• Vibration Resistance: 5 g, 10–500 Hz

• Shock Resistance: 30 g operating / 50 g non-operating

• Relative Humidity: 5–95% non-condensing

Technical Specifications

Advantages

• Enables flexible integration of PROFIBUS Flex I/O modules

• High-speed communication up to 12 Mbits ensures real-time control

• Compact design with 8-module capacity saves panel space

• Handles inrush currents and maintains stable operation

• Durable under vibration, shock, and wide temperature ranges

• Compatible with standard PROFIBUS drop cables and 9-pin D-shell connectors

FAQ

Q1: Is the Allen-Bradley 1794-APBDPV1 brand new?
A1: Yes, it is factory-sealed, original, and in stock.

Q2: How many I/O modules does it support?
A2: The 1794-APBDPV1 supports up to 8 Flex I/O modules.

Q3: What is the maximum communication speed?
A3: It supports up to 12 Mbits per second, ideal for real-time applications.

Q4: What connector type is used for PROFIBUS?
A4: It uses a standard 9-pin D-shell PROFIBUS connector for easy integration.

Q5: What are the operating temperature limits?
A5: The adapter operates between 0°C and 55°C and stores safely up to 85°C.

Q6: How durable is it under industrial conditions?
A6: The 1794-APBDPV1 withstands vibration up to 5 g and shocks up to 30 g.