￿The final press on ENTER ends the Analogue 1 trimming sequence.

￿If Analogue 2 has been configured, the pump displays a similar sequence of screens for that input. Apply the low, high and mid-range signal to the i/p terminal of the Analogue 2 connector as instructed in the display, pressing ENTER each time to record the signals as calibration points.

￿If a mistake is made, press STOP at any point in the sequence, and the pump displays the previous screen.

￿The final press on ENTER ends the Analogue 2 trimming sequence.

￿When trimming is complete the pump displays a confirmation screen and redis- plays the screen from which it entered the trim sequence: the Setup menu or the Analogue setup menu.

The pump calculates linear responses from low to mid and from mid to high, and records the results as new analogue input calibration graphs.

If any of the three signals applied to each input match, a warning screen is displayed before the confirmation screen appears, and the trim is ignored.

Note: By applying the maximum process control signal when the minimum is requested and vice versa, inverted responses can be set up.

Note: Resetting factory defaults clears the trim calibration values.

18.2 Analogue

When the pump is under remote control, it tracks an analogue signal from the user’s remote control system to the i/p terminal of the Analogue 1 connector at the rear of the pump within the ranges 4-20mA or 0-10V. The Analogue option in the Setup menu allows the user to configure the pump to operate with his remote control system.

￿Select Analogue from the Setup menu using the UP or DOWN keys and press ENTER to confirm your choice.

￿Four options are displayed: Input 1 - speed, Scaling - stroke, Trim and Exit.

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

37

Page 36 Page 38
Page 37
Image 37
Watson & Sons 520DUN user manual Analogue
Page 36 Page 38

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