Product Details
Product Description
The 1794-APBDPV1 functions as a high-performance bridge between a PROFIBUS DP network and Allen-Bradley Flex I/O modules. This adapter is specifically engineered to support the DP-V1 protocol, enabling acyclic messaging for enhanced diagnostics and parameterization of field devices. It serves as the primary gateway for a Flex I/O rack, managing data exchange for up to eight individual I/O modules across the internal backplane.
Designed for modularity, the 1794-APBDPV1 (Part Number: 1794-APBDPV1) reduces wiring complexity by allowing remote I/O placement closer to sensors and actuators. The unit features an industry-standard 9-pin D-shell connector for PROFIBUS connectivity and supports auto-baud rate detection up to 12 Mbps, ensuring seamless integration into high-speed automation loops.
Technical Specifications
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Series: Flex I/O 1794
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Protocol Support: PROFIBUS DP-V1 (Cyclic and Acyclic data)
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Maximum I/O Expansion: 8 Modules per adapter
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Input Supply Voltage: 24V DC Nominal (Range 19.2V to 31.2V DC)
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Input Current Draw: 385 mA maximum
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Flexbus Backplane Current: 640 mA maximum
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Inrush Current Profile: 23 A for 2 milliseconds
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Communication Speeds: 9.6 Kbps to 12 Mbps (Automatic detection)
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Interface Port: 9-Pin Sub-D Female Connector
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Power Dissipation: 4.2 W at 19.2V DC
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Thermal Output: 14 BTU/hr at 19.2V DC
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Isolation Voltage: 500V AC (between network and logic/power)
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Physical Weight: 0.14 kg (0.31 lbs)
Integration and Network Maintenance
When implementing the 1794-APBDPV1, ensure that the PROFIBUS segment is properly terminated at both physical ends. This adapter is particularly suited for process industries where asset management (AMS) or remote calibration via DP-V1 acyclic communication is required.
Implementation FAQ
How does the 1794-APBDPV1 differ from the standard 1794-APB?The 1794-APBDPV1 supports the extended DP-V1 functionality, which allows for advanced diagnostics and the ability to change device parameters while the system is running, whereas the standard APB version is limited to DP-V0 cyclic data exchange.
What cabling is required for this adapter?A standard PROFIBUS copper cable (Type A) is required. Use high-quality shielded twisted-pair cables to mitigate electromagnetic interference, especially when operating at the maximum transmission rate of 12 Mbps.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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