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1794-APB | Allen-Bradley Flex I/O PROFIBUS DP Adapter Module
- Regular price
- $3,699.00
- Sale price
- $3,699.00
- Regular price
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Product Description P/N: 1794-APB
Description
The Allen-Bradley 1794-APB is a PROFIBUS DP adapter module designed to connect FLEX I/O systems to high-speed PROFIBUS networks. This module supports communication rates up to 12 Mbps and offers reliable integration for distributed industrial control applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Adapter Modules |
| Part Number | 1794-APB |
| Subcategory | FLEX I/O PROFIBUS Adapter |
| I/O Capacity | 8 modules |
| Power Supply Requirement | Safety Extra-Low Voltage (SELV) or PELV |
| Input Voltage Rating | 24 VDC nominal |
| Input Voltage Range | 19.2–31.2 VDC (5% AC ripple included) |
| FlexBus Output Current | 640 mA @ 5 VDC |
| Communication Rate | Up to 1.5 Mbit/s (PROFIBUS DP) |
| Isolation Voltage | 850 VDC for 1 s (user power to FlexBus) |
| Power Consumption | 400 mA max from 24 VDC supply |
| Power Dissipation | 7.68 W max @ 19.2 VDC |
| Thermal Dissipation | 26 BTU/hr @ 19.2 VDC |
| Operating Temperature | 0 to 55°C (32–131°F) |
| Storage Temperature | –40 to 85°C (–40–185°F) |
| Relative Humidity | 5–95% non-condensing |
| Shock Rating (Operating) | 30 g peak, 11 ms pulse |
| Shock Rating (Non-operating) | 50 g peak, 11 ms pulse |
| Vibration | 5 g @ 10–500 Hz per IEC 68-2-6 |
| Connector Type | 9-pin D-shell PROFIBUS |
| Drop Cable Type | Standard PROFIBUS drop cable |
| Wire Size (Power Conductors) | 12 AWG (4 mm²) stranded max |
| Insulation Thickness | 3/64 in (1.2 mm) |
| Certifications | CSA, UL Listed, CE Marked |
Information About 1794-APB
The 1794-APB is a FLEX I/O family adapter engineered to interface FLEX I/O modules with PROFIBUS DP networks using a compact and efficient architecture. Its design incorporates robust electrical isolation, LED status indicators, and a 24 VDC nominal power input to ensure stable communication and system reliability. The adapter integrates seamlessly with FLEX I/O bases and supports standard PROFIBUS cabling for simple installation in both new and existing automation infrastructures. With tested environmental durability and worldwide agency certifications, it is well-suited for industrial environments requiring dependable distributed control.
Key Features
- Supports Up To 12 Mbps PROFIBUS Rates: Compatible with all PROFIBUS DP speeds up to 1.5 Mbit/s and higher, ensuring flexibility across communication setups.
- Eight FLEX I/O Module Capacity: Allows up to eight connected I/O modules per adapter, enabling scalable distributed control architectures.
- 24 VDC Nominal Power Input: Operates within a 19.2–31.2 VDC range, providing stable performance even under supply ripple conditions.
- Electrical Isolation Protection: 100% tested at 850 VDC for one second between user power and the FlexBus to prevent electrical faults.
- High FlexBus Output Current: Supplies up to 640 mA at 5 VDC to reliably power connected FLEX I/O modules.
- Status and Network LEDs: Provides red/green indicators for both module status and PROFIBUS communication for simplified diagnostics.
- Industrial Environmental Ratings: Operates from 0 to 55°C with resistance to shock, vibration, and high humidity for rugged deployment.
- Standard PROFIBUS Connector: Equipped with a 9-pin D-shell interface and compatible with standard drop cables for easy installation.
The 1794-APB delivers the reliability and precision required for stable PROFIBUS DP communication within distributed FLEX I/O control systems.
Description
The Allen-Bradley 1794-APB is a PROFIBUS DP adapter module designed to connect FLEX I/O systems to high-speed PROFIBUS networks. This module supports communication rates up to 12 Mbps and offers reliable integration for distributed industrial control applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Adapter Modules |
| Part Number | 1794-APB |
| Subcategory | FLEX I/O PROFIBUS Adapter |
| I/O Capacity | 8 modules |
| Power Supply Requirement | Safety Extra-Low Voltage (SELV) or PELV |
| Input Voltage Rating | 24 VDC nominal |
| Input Voltage Range | 19.2–31.2 VDC (5% AC ripple included) |
| FlexBus Output Current | 640 mA @ 5 VDC |
| Communication Rate | Up to 1.5 Mbit/s (PROFIBUS DP) |
| Isolation Voltage | 850 VDC for 1 s (user power to FlexBus) |
| Power Consumption | 400 mA max from 24 VDC supply |
| Power Dissipation | 7.68 W max @ 19.2 VDC |
| Thermal Dissipation | 26 BTU/hr @ 19.2 VDC |
| Operating Temperature | 0 to 55°C (32–131°F) |
| Storage Temperature | –40 to 85°C (–40–185°F) |
| Relative Humidity | 5–95% non-condensing |
| Shock Rating (Operating) | 30 g peak, 11 ms pulse |
| Shock Rating (Non-operating) | 50 g peak, 11 ms pulse |
| Vibration | 5 g @ 10–500 Hz per IEC 68-2-6 |
| Connector Type | 9-pin D-shell PROFIBUS |
| Drop Cable Type | Standard PROFIBUS drop cable |
| Wire Size (Power Conductors) | 12 AWG (4 mm²) stranded max |
| Insulation Thickness | 3/64 in (1.2 mm) |
| Certifications | CSA, UL Listed, CE Marked |
Information About 1794-APB
The 1794-APB is a FLEX I/O family adapter engineered to interface FLEX I/O modules with PROFIBUS DP networks using a compact and efficient architecture. Its design incorporates robust electrical isolation, LED status indicators, and a 24 VDC nominal power input to ensure stable communication and system reliability. The adapter integrates seamlessly with FLEX I/O bases and supports standard PROFIBUS cabling for simple installation in both new and existing automation infrastructures. With tested environmental durability and worldwide agency certifications, it is well-suited for industrial environments requiring dependable distributed control.
Key Features
- Supports Up To 12 Mbps PROFIBUS Rates: Compatible with all PROFIBUS DP speeds up to 1.5 Mbit/s and higher, ensuring flexibility across communication setups.
- Eight FLEX I/O Module Capacity: Allows up to eight connected I/O modules per adapter, enabling scalable distributed control architectures.
- 24 VDC Nominal Power Input: Operates within a 19.2–31.2 VDC range, providing stable performance even under supply ripple conditions.
- Electrical Isolation Protection: 100% tested at 850 VDC for one second between user power and the FlexBus to prevent electrical faults.
- High FlexBus Output Current: Supplies up to 640 mA at 5 VDC to reliably power connected FLEX I/O modules.
- Status and Network LEDs: Provides red/green indicators for both module status and PROFIBUS communication for simplified diagnostics.
- Industrial Environmental Ratings: Operates from 0 to 55°C with resistance to shock, vibration, and high humidity for rugged deployment.
- Standard PROFIBUS Connector: Equipped with a 9-pin D-shell interface and compatible with standard drop cables for easy installation.
The 1794-APB delivers the reliability and precision required for stable PROFIBUS DP communication within distributed FLEX I/O control systems.