7XV124.50-61
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The 7XV124.50-61 by B & R Automation is part of the 7XV Remote Valve Terminals series and functions as an optical plug-in module. It features a 100BASE-FX Fast Ethernet interface, SC duplex connectors, and supports multimode fiber cabling. Operating at 3.3 V, it boasts an 11 dB optical power budget and a 100 Mbps data rate.
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Product Description:
The 7XV124.50-61 Remote Valve Terminal is developed by B & R Automation a manufacturer known for automation equipment. This terminal unit offers seamless integration using X2X Link slave communication. It supports remote valve terminal connection through a 25-pin DSUB multi-pin connector accommodating up to 24 valves.
The 7XV124.50-61 Remote Valve Terminal supports a 24 VDC OUT power supply and uses an M8 connector for power input. The GND connection is available at pin 25. It offers a total nominal current capacity of 2.4 A. The internal I/O power consumption is max 1.5 W (without load). Additionally, the X2X Link power supply supports up to a maximum of 0.75 W. A bus connection is available via M12 while the user interface variant also utilizes M12 connectors for consistent compatibility. The output circuit is protected against short circuit, overload and overtemperature for equipment safety and operational reliability. The switching delay from 0 to 1 is typically 100 ms and a maximum of 150 ms and from 1 to 0 it is typically 125 ms and a maximum of 200 ms. The maximum output current per channel is 0.1 A and the system supports up to 100 Hz switching frequency.
The 7XV124.50-61 Remote Valve Terminal is compliant with several certifications including CE, UL cULus E115267 and TUV 05 ATEX 7201X. It is approved for use in ATEX Zone 2, II 3G Ex nA IIA T5 Gc environments. It is rated IP67 and functions reliably in temperatures from 0 to max. 60 degrees C. The digital output type uses a high-side driver (source) which ensures reliable control in demanding applications. The switching voltage range is 24 VDC +/- 25% which supports industrial standards.
Frequently Asked Questions about 7XV124.50-61:
Q: Why does the 7XV124.50-61 Remote Valve Terminal use a high-side driver (source) output type?
A: The high-side driver allows sourcing current to loads connected to ground, preventing ground loop issues. This improves operational stability in distributed valve control systems.
Q: How does the short-circuit protection benefit the 7XV124.50-61 Remote Valve Terminal?
A: The short-circuit protection in 7XV124.50-61 prevents output failures by shutting down affected channels during fault conditions. This safeguards both the terminal and connected valves.
Q: Why does the 7XV124.50-61 use M8 and M12 connectors instead of standard screw terminals?
A: The M8 and M12 connectors ensure vibration-resistant and IP67-sealed connections. This connector choice increases reliability in field-mounted industrial applications.
Q: How does the internal I/O power consumption of 1.5W (without load) affect system design?
A: The low internal power draw of the 7XV124.50-61 reduces overall control cabinet heat dissipation. This allows for more compact enclosure designs.
Q: Why is the maximum output current limited to 0.1A per channel on the 7XV124.50-61?
A: The 0.1A limit prevents excessive thermal load on internal circuits. This supports reliable high-frequency switching operations up to 100Hz.
