Watson & Sons 520DUN user manual Keypad lock, Keypad beep

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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

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Contents Watson-Marlow 520DuN IP66/NEMA 4X pumps ContentsPublication history 104 Decontamination certificate 105 Declaration of incorporation Declaration of conformityExceptions Five year warrantyCased pumps, 620 cased pumps and 720 cased pumps ConditionsComponents supplied 520DuN pump, IP66 Nema 4X models When you unpack your pumpPackaging disposal InspectionStorage Information for returning pumpsPeristaltic pumps an overview How they workSuitable applications Safety notes Page Pump specifications Analogue control Remote control520DuN, IP66 Nema 4X model Manual controlNema IP Ingress Protection and Nema definitionsPump specifications Other StandardsHarmonised Standards520DuN IP66/NEMA 4X model Unit weights DimensionsGood pump installation practice General recommendationsDo’s and do not’s Page Connecting this product to a power supply Page Page Start-up check list Switching the pump on for the first timeUser trim First-time start-up defaults LanguageAnalogue input SpeedPump is now ready to operate Manual operation Keypad functions in manual modePage Page Keypad lock Keypad beepManual operation and remote digital inputs and outputs Keypad functions in menu screens Main menuMain menu entry PIN-secure process protection Calibrate Tube Head and tubeCalibration dose Page Setup menu SetupTrim Analogue Input 1 speed Program Scaling stroke TrimAlternatively DisplayBaud Pump number18.7 Xon/Xoff Stop bitsFlow units Run time Run / stop General alarmOutputs Parameters arePage Remote stop Page Auto-restart Backlight Set maximum speedLanguage 18.15 ROMBeep DefaultsSecurity code Exit Pin out detailsTo dispense a master dose MemoDoseTo repeat the dose Changing dosing speedExit Automatic control wiring 22.1 520N module removal and replacementTo remove the 520N watertight module To replace the 520N watertight module Wiring up Page Do not strap the control and mains power cables together Speed analogue input Scaling analogue input Tachometer frequency output Speed analogue outputSwitch Run / stop inputDirection input Leak detection input Tube monitor 520N module Wire colourAuto / manual toggle input MemoDose inputOutputs 1, 2, 3 Supply voltagesImportant pump status outputs DC Voltage Max load Typical use 22.14 RS485 inputAutomatic control and operation How to get into auto operationHow to get out of auto operation Emergency stop Network control and operation How to get into network operationHow to get out of network operation Command Parameters Meaning 24.1 RS485 command stringsTroubleshooting Error condition Suggested action Error codesDrive spares Drive maintenance520R, 520R2 and 520RE pumpheads Identification of parts520REL/520REM/520REH To reposition the track Pumphead position, removal and replacementRotor removal Rotor replacementOpening the pumphead guard 29 520R, 520R2 and 520RE installation29.2 520R and 520R2 tube loading 29.3 520RE fitting the drain port 2mm and 6.4mm Industrial Sanitary 29.4 520RE Element loading520REL Pressures Up to 2 bar 30 psi Pressures Up to 4 bar 60 psi Up to 7 bar 100 psiPage Sanitary 3⁄4in mini-Tri-clamp connectors Industrial quick-release connectors29.5 520RE Element connection 30 520R, 520R2 and 520RE maintenance 31 520R, 520R2 and 520RE rotor settings General guide to cleaning with solventsChemical Cleaning precautions 520R/520R2 520REL/520REM/520REH Pumphead sparesFlow rates Pumping conditions520R and 520R2 520RE 220rpm Continuous tubingElements Performance curves Page Page Page 6mm wall tubing for 520R pumpheads Tubing and element part numbersInch Chem-Sure Sta-Pure 4mm wall tubing for 520R2 pumpheadsInch Marprene Bioprene Pumpsil 913.A008.0244mm wall elements for 520RE pumpheads Sanitary Inch Bioprene TM Sta-Pure102 35 520 series pumping accessories Accessory Description Part code Pump Compatibility103 Trademarks Publication history104 Decontamination certificate RGA number Signature Your position Date105

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.
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