Watson & Sons 520DUN user manual To replace the 520N watertight module

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￿If necessary, unplug the two 25-way D-connectors linking the module to the pump drive. If necessary, remove the module’s earth link from the back of the drive. However, the link is long enough to allow the module to fold back to give access to the the circuit board inside and to the back of the drive.

To replace the 520N watertight module:

￿Check that the fuse in the fuseholder (ringed) in the centre of the switchplate does not need to be replaced. Check that the voltage selector switch is correct- ly set for your power supply.

￿Check that the sealing strip is fully in its channel on the face of the module.

￿Attach the module’s earth link wire. Replace and tighten its screw to 2Nm.

￿Push home the female (upper) and male 25-way D-connectors on to their coun- terparts on the rear of the drive.

￿Hold the module in place, taking care not to disturb the seal or pinch the earth link wire or D-connector ribbon cables, and screw in the six retaining screws (top centre screw first). Tighten to 2.5Nm.

Note: Ensure that the 520N module is properly fitted at all times using all six screws. Without the module and the screws, the screw holes may corrode and IP66 (NEMA4X) protection will be compromised.

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

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Contents Contents Watson-Marlow 520DuN IP66/NEMA 4X pumpsPublication history 104 Decontamination certificate 105 Declaration of conformity Declaration of incorporationFive year warranty Cased pumps, 620 cased pumps and 720 cased pumpsConditions ExceptionsWhen you unpack your pump Packaging disposalInspection Components supplied 520DuN pump, IP66 Nema 4X modelsInformation for returning pumps StoragePeristaltic pumps an overview How they workSuitable applications Safety notes Page Pump specifications Remote control 520DuN, IP66 Nema 4X modelManual control Analogue controlIP Ingress Protection and Nema definitions NemaPump specifications Standards HarmonisedStandards OtherDimensions 520DuN IP66/NEMA 4X model Unit weightsGood pump installation practice General recommendationsDo’s and do not’s Page Connecting this product to a power supply Page Page Switching the pump on for the first time Start-up check listFirst-time start-up defaults Language Analogue inputSpeed User trimPump is now ready to operate Keypad functions in manual mode Manual operationPage Page Keypad lock Keypad beepManual operation and remote digital inputs and outputs Main menu Keypad functions in menu screensMain menu entry PIN-secure process protection Calibrate Head and tube TubeCalibration dose Page Setup Setup menuTrim Analogue Input 1 speed Program Trim Scaling strokeDisplay AlternativelyPump number BaudStop bits 18.7 Xon/XoffFlow units Run time General alarm OutputsParameters are Run / stopPage Remote stop Page Auto-restart Set maximum speed Backlight18.15 ROM LanguageDefaults BeepSecurity code Pin out details ExitMemoDose To dispense a master doseChanging dosing speed To repeat the doseExit 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 Speed analogue output Tachometer frequency outputSwitch Run / stop inputDirection input Tube monitor 520N module Wire colour Auto / manual toggle inputMemoDose input Leak detection inputOutputs 1, 2, 3 Supply voltagesImportant pump status outputs 22.14 RS485 input DC Voltage Max load Typical useHow to get into auto operation Automatic control and operationHow to get out of auto operation Emergency stop How to get into network operation Network control and operationHow to get out of network operation 24.1 RS485 command strings Command Parameters MeaningTroubleshooting Error codes Error condition Suggested actionDrive maintenance Drive spares520R, 520R2 and 520RE pumpheads Identification of parts520REL/520REM/520REH Pumphead position, removal and replacement To reposition the trackRotor replacement Rotor removal29 520R, 520R2 and 520RE installation Opening the pumphead guard29.2 520R and 520R2 tube loading 29.3 520RE fitting the drain port 29.4 520RE Element loading 520REL Pressures Up to 2 bar 30 psiPressures Up to 4 bar 60 psi Up to 7 bar 100 psi 2mm and 6.4mm Industrial SanitaryPage 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 Pumphead spares 520R/520R2 520REL/520REM/520REHFlow rates Pumping conditions520R and 520R2 520RE Continuous tubing 220rpmElements Performance curves Page Page Page Tubing and element part numbers 6mm wall tubing for 520R pumpheads4mm wall tubing for 520R2 pumpheads Inch Marprene Bioprene Pumpsil913.A008.024 Inch Chem-Sure Sta-Pure4mm 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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