1734-APB | Allen-Bradley PROFIBUS DP Network Adapter Supplier

What Makes the 1734-APB Essential for Your Network?

When your industrial system demands seamless communication between PROFIBUS networks and I/O modules, the 1734-APB from Allen-Bradley delivers a robust solution. As a POINT I/O PROFIBUS DP Network Adapter, it operates on the PointBus backplane as a master unit and as a slave on the PROFIBUS network, enabling efficient data exchange. With a nominal input voltage of 24 Volts DC and a field side power of 400 milliamps, this adapter ensures stable performance in demanding environments.

Key Features and Technical Specs of the 1734-APB

• The 1734-APB has a POINTBus current of 1000 milliamps to power connected modules.
• It features an inrush current of 6 amps for reliable startup.
• Power consumption is 8 Watts, with a power dissipation of 2.8 Watts at 28.8 Volts.
• Input overvoltage protection includes reverse polarity protection for added safety.
• The adapter supports up to 63 POINT I/O modules for extensive system expansion.

A distinctive spec is the reverse polarity protection, which safeguards the module from incorrect wiring, reducing downtime and maintenance costs.

Real-World Applications for the 1734-APB

In manufacturing plants, the 1734-APB integrates POINT I/O modules with PROFIBUS DP networks, enabling precise control of sensors and actuators. For example, in a packaging line, it streamlines data flow between a PLC and remote I/O points. Additionally, in process automation, it ensures reliable communication for monitoring and control tasks. This adapter is ideal for industries requiring scalable and modular I/O solutions.

Installation Guide for the 1734-APB

Install the 1734-APB at the left side of a 1734 system to convert field power to PointBus 5 Volts logic power. Ensure the input voltage is within the 10 to 28.8 Volts DC range. Connect the PROFIBUS cable to the adapter's network port and verify proper termination. For optimal performance, use a Safety Extra Low Voltage (SELV) or Class 2 power supply as per CE Low Voltage Directives.

Maintenance and Reliability Tips

Regularly inspect the 1734-APB for signs of wear or damage. Keep the module free from dust and moisture to prevent overheating. The reverse polarity protection feature minimizes risk from wiring errors, enhancing long-term reliability. For cost savings, periodic checks can prevent unexpected failures and extend service life.

Compatibility and Integration

The 1734-APB is designed for the Allen-Bradley POINT I/O series and communicates via PROFIBUS DP. It functions as a slave on the PROFIBUS network, exchanging I/O data with a PROFIBUS master. On the PointBus, it acts as a master, supporting up to 63 POINT I/O modules. This adapter works with various Rockwell Automation controllers and third-party PROFIBUS masters.

Frequently Asked Questions about the 1734-APB

Q: What is the input voltage range for the 1734-APB?

A: The 1734-APB has a nominal input voltage of 24 Volts DC, with a range of 10 to 28.8 Volts DC.

Q: How many POINT I/O modules can the 1734-APB support?

A: The 1734-APB can communicate with up to 63 POINT I/O modules on the PointBus.

Q: Does the 1734-APB have reverse polarity protection?

A: Yes, the 1734-APB features reverse polarity protection for input overvoltage.

Q: What is the POINTBus current of the 1734-APB?

A: The POINTBus current is 1000 milliamps, providing power to connected modules.

Q: Can the 1734-APB be used with a SELV power supply?

A: Yes, a Safety Extra Low Voltage (SELV) power supply can be used to comply with CE Low Voltage Directives.

Product Support and Availability

The 1734-APB is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and availability. We provide fast delivery and support for your industrial automation needs.