14.2 Keypad lock

The keypad can be locked to prevent changes to pump speed or other settings, and make it possible only to start or stop the pump. The padlock symbol shows on the display.

￿While the pump is running, hold down the START key for two seconds. The padlock symbol shows and only the START and STOP keys function.

￿The keypad may also be locked while the pump is stopped. Hold down the STOP key for two seconds. The padlock symbol shows and only the START and STOP keys function.

￿To unlock the keypad while the pump is running hold down the START key for two seconds. The padlock symbol is removed. If the pump is stopped hold down the STOP key until the padlock symbol is removed.

14.3 Keypad beep

The pump keypad can operate silently or indicate a positive key-press with a beep sound.

￿To toggle the sound on and off, stop the pump. Turn off the mains power switch at the rear of the pump.

￿Depress the UP and DIRECTION keys while switching on the mains power switch at the rear of the pump.

14.4Manual operation and remote digital inputs and outputs

The remote run / stop, direction and leak-detected inputs are operational.

The remote status outputs are all fully functional.

The STOP key acts as an overriding emergency stop. The run

/stop input will not start the pump in manual mode, but once the START key has been pressed, the remote run / stop input will stop and start the pump according to its operational state.

If you invert the operation of the remote run / stop switch to operate as open=stop, you must connect the +5V terminal to the i/p terminal on the Run/stop input connector (J4), to be able to start the pump from the keypad.

If STOP is pressed the remote run / stop switch will have no effect.

You cannot invert the polarity of the remote direction signal.

Watson-Marlow 520DuN IP66/NEMA 4X User Manual

27

Page 26 Page 28
Page 27
Image 27
Watson & Sons 520DUN user manual Keypad lock, Keypad beep, Manual operation and remote digital inputs and outputs
Page 26 Page 28

520DUN specifications

Watson & Sons 520DUN is a state-of-the-art model that has garnered attention for its exceptional performance and innovative technologies. Designed for agricultural applications, this machine combines durability, efficiency, and ease of use, catering to the needs of modern farmers.

One of the standout features of the 520DUN is its robust engine. Equipped with a high-performance diesel engine, it offers impressive horsepower, allowing it to handle a variety of demanding tasks with ease. This engine is designed for fuel efficiency, ensuring that operators can complete their work without frequent refueling. The powertrain is complemented by an advanced transmission system that enables smooth gear shifts, enhancing operator comfort during long hours of operation.

The 520DUN also boasts a remarkable load capacity, making it an ideal choice for transporting heavy materials. Its rugged build quality ensures that it can withstand the rigors of daily use, providing a reliable solution for farmers and contractors alike. The robust chassis and reinforced components were designed to maintain stability and control, especially when navigating uneven terrain.

Incorporating cutting-edge technologies, the Watson & Sons 520DUN features precision farming capabilities. With GPS integration, operators can efficiently manage their fields, optimizing planting and harvesting processes. This technology not only increases yield but also minimizes inputs, making farming more sustainable and economically viable.

User ergonomics were a significant consideration in the design of the 520DUN. The operator's cabin is spacious and well-equipped with intuitive controls, providing a comfortable working environment. Operators will appreciate the advanced display panel that offers real-time data on performance metrics, fuel consumption, and maintenance reminders. This allows users to keep the machine in peak condition and react to any issues promptly.

Safety is also paramount in the design of the 520DUN. It features reinforced safety measures, including roll-over protection systems and visibility enhancements, ensuring operator safety during operations.

In summary, the Watson & Sons 520DUN represents the pinnacle of agricultural machinery with its powerful engine, remarkable load capacity, precision technology, and ergonomic design. It is tailored for those who seek reliability and efficiency in their agricultural endeavors, making it a noteworthy choice in today's competitive market.
Top Page Image Contents