1794-APB PROFIBUS Adapter | Flex I/O 8 Modules 24VDC Allen-Bradley

Allen-Bradley 1794-APB Flex I/O PROFIBUS Adapter Module Overview

Key Technical Specifications

• Manufacturer: Allen-Bradley
• Part Number: 1794-APB – the core identifier for this PROFIBUS adapter module.
• Product Line: Flex I/O 1794 – a modular distributed I/O platform.
• Product Type: PROFIBUS adapter – enables communication with PROFIBUS DP networks.
• Communication Port: One 9-pin D-shell connector – standard PROFIBUS interface.
• Supported Protocol: PROFIBUS – compatible with PROFIBUS DP master devices.
• Transmission Speed: Up to 12 Mbps – supports all rates including 57.6 Kbps, 115.2 Kbps, and 230.4 Kbps.
• I/O Capacity: 8 modules – supports up to eight Flex I/O modules per adapter.
• Input Voltage Range: 19.2 to 31.2 Volts DC – includes 5% AC ripple tolerance.
• Nominal Input Voltage: 24 Volts DC – standard operating voltage.
• Maximum Input Current: 450 mA – with 330 mA typical at 24 Volts DC.
• FlexBus Output Current: 640 mA maximum at 5 Volts DC – powers internal logic of I/O modules.
• Power Consumption: 7.9 Watts at 24 Volts – maximum consumption.
• Power Dissipation: 7.68 Watts at 19.2 Volts DC – peak dissipation.
• Thermal Dissipation: 26 BTU/hour at 19.2 Volts DC – heat output for enclosure planning.
• Isolation Voltage: 850 Volts DC – tested for 1 second between user power and FlexBus.
• Dimensions: 3.7 x 3.6 x 3.4 inches (94 x 91 x 86 mm) – compact footprint.
• Weight: 0.44 lbs (0.20 kg) – lightweight for easy installation.
• Operating Temperature: 0 to 55 degrees Celsius – industrial operating range.

Frequently Asked Questions (FAQ)

• Is this item new and original?
  Yes, we supply only brand new and original Allen-Bradley products.
• What is the shipping method?
  We ship via FedEx, UPS, or DHL for fast and reliable delivery worldwide.
• How soon will you dispatch the order?
  We process and ship orders within 5 business days after payment confirmation.
• How many I/O modules can the 1794-APB support?
  This PROFIBUS adapter supports up to 8 Flex I/O modules in a single system.
• What communication speeds does this adapter support?
  The 1794-APB supports all PROFIBUS rates up to 12 Mbps, including 57.6 Kbps, 115.2 Kbps, and 230.4 Kbps.
• What type of cable does this adapter require?
  Use a standard PROFIBUS drop cable with a 9-pin D-shell connector for network connections.
• Can I mount this module on a panel?
  Yes, the 1794-APB supports both DIN rail and panel mounting. Use panel mounting kit 1794-NMI for panel installations.
• Can I return this product?
  We accept returns within 30 days of delivery, provided the item remains in original condition.

For any inquiries, please contact us at sales@nex-auto.com or reach out via WhatsApp at +86 153 9242 9628. Partner: NexAuto Technology Limited