Watson Marlow Pumps 720DuN User Manual Download Page 79

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Watson-Marlow 720DuN User Manual

25.1 Error codes

If an internal error occurs, a flashing error screen is displayed.

Note

Signal out of

range

Over signal

No signal

and

Leak detected

error screens report the nature

of an external signal. They do not flash.

Error condition

Suggested action

RAM write error

Attempt to reset by switching power OFF / ON. Or seek sup-
port

RAM corruption

Attempt to reset by switching power OFF / ON. Or seek sup-
port

OTP ROM error /
corruption

Attempt to reset by switching power OFF / ON. Or seek sup-
port

OTP ROM read
error

Attempt to reset by switching power OFF / ON. Or seek sup-
port

Unknown pump
type

Check the interface card and cables. Attempt to reset by
switching power OFF / ON. Or seek support

Display failure

Seek support

Wrong key-press

Attempt key-press again. Attempt to reset by switching OFF
/ ON

Motor stalled

Stop pump immediately. Check pumphead and tube. Power
OFF/ON may reset. Or seek support

Tacho fault

Stop pump immediately. Power OFF/ON may reset. Or seek
support

Speed error

Stop pump immediately. Power OFF/ON may reset. Or seek
support

Over current

Stop pump immediately. Check system. Power OFF/ON may
reset. Or seek support

Over voltage

Stop pump immediately. Check mains voltage selector
switch. Check supply. Power OFF/ON may reset. Or seek
support

Under voltage

Stop pump immediately. Check mains voltage selector
switch. Check supply. ON/OFF may reset. Or seek support

Watchdog error

Attempt to reset by switching power OFF / ON. Or seek sup-
port

Over temperature

Stop pump immediately. Turn OFF. Seek support

Signal out of
range

Check analogue control signal range. Trim signal as
required. Or seek support

Over signal

Reduce the analogue control signal

No signal

Connect analogue control signal or return to manual control

Leak detected.
Check and reset

Remove the cause of any leak. The STOP key resets

Unrecognised key-
press

Attempt key-press again. Attempt to reset by switching
power OFF/ON. Or seek support

Work overload

Turn OFF. Check power supply. Check pumphead and tubing.
Wait 30 minutes. Power ON may reset. Or seek support

Network not
detected

Turn OFF. Check network and connections. Or seek support

RS485/RS232
fault

Turn OFF. Check network and connections. Or seek support

RS485/RS232 lost

Turn OFF. Check network and connections. Or seek support

General error
condition

Turn OFF. Seek support

Summary of Contents for 720DuN

Page 1: ...n menu screens 29 15 2 Main menu entry 29 16 Pin secure process protection 31 17 Head and tubing calibration 32 18 Setup 36 18 1 Trim 37 18 2 Analogue 38 18 2 1 Input 1 speed 39 18 2 2 Scaling stroke...

Page 2: ...g 82 28 4 All 720R and 720RE pumping conditions 82 28 5 All 720R and 720RE pumpheads fluid management 82 29 Pumphead fitting 83 29 1 Removing and refitting the pumphead 83 29 2 Fitting an extension pu...

Page 3: ...into service until the relevant machinery has been declared in conformity with the Machinery Directive 2006 42 EC Responsible person Christopher Gadsden Managing Director Watson Marlow Limited Falmout...

Page 4: ...anty are Conditions Products must be returned by pre arrangement carriage paid to Watson Marlow or a Watson Marlow approved service centre All repairs or modifications must have been made by Watson Ma...

Page 5: ...edicated 720 pump drive unit fitted with 720R 720RE 720RX or 720REX pumpheads see 8 Pump specifications A 720N module providing pump ingress protection to IP66 NEMA 4X Note the module is attached for...

Page 6: ...returned to Watson Marlow or its distributor A certificate included at the rear of these operating instructions or signed state ment must be attached to the outside of the shipping carton This certif...

Page 7: ...leaves the track the second continues to advance expelling the packet of fluid through the pump s discharge port At the same time a new partial vacuum is created behind the second roller into which mo...

Page 8: ...t under the terms of the EU Waste Electrical and Electronic Equipment WEEE Directive There is a user replaceable type T5A H 250V fuse in the fuseholder in the centre of the switchplate at the back of...

Page 9: ...res This pump must be used only for its intended purpose The pump must be accessi ble at all times to facilitate operation and maintenance Access points must not be obstructed or blocked The pump s ma...

Page 10: ...in manufacturer and contact details product reference number serial number and model details The same information is carried on the drive s backplate accessible when the 720N module is removed The pic...

Page 11: ...our relay status outputs which can be configured in software for a variety of pump parameters MemoDose Allows repeat dosing Stores in memory a pulse count from the motor This count is repeated each ti...

Page 12: ...om any direction There must be no harmful effect water jet 12 Indoor use to provide a degree of protection against dust falling dirt and dripping non corrosive liquids 13 Indoor use to provide a degre...

Page 13: ...e through pump software Enclosure rating 720DuN IP66 to BS EN 60529 Equivalent to NEMA 4X to NEMA 250 indoor use Suitable for heavy industrial process and dirty environments The drive uses a Gore memb...

Page 14: ...EN 61000 6 4 Electrostatic discharge BS EN 61000 4 2 Radiated RF immunity BS EN 61000 4 3 A1 and A2 called by BS EN 61000 6 2 Fast transient burst BS EN 61000 4 4 A1 and A2 Level 3 2kV called by BS E...

Page 15: ...Watson Marlow 720DuN User Manual 15 8 1 Dimensions 242mm 86mm 180mm 346mm 65mm 164mm 186mm 508mm 150mm 658mm 160mm 305mm 280mm 221mm 61mm...

Page 16: ...umps are self priming and self sealing against backflow No valves are required in inlet or discharge lines Valves in the process flow must be opened before the pump operates Users are advised to fit a...

Page 17: ...et and discharge port of the pumphead to help to minimize impulse losses and pulsation in the pipeline This is especially important with viscous fluids and when connecting to rigid pipework Do site th...

Page 18: ...connection to an earthed single phase mains electricity supply To comply with Safety Standards the mains plug must be a separable plug not a locking type We recommend using commer cially available sup...

Page 19: ...older in the centre of the switchplate at the rear of the pump Power interruption This pump has an auto restart feature which when active will restore the pump to the operating state it was in when po...

Page 20: ...e UP and DOWN keys to select your language Press the ENTER key to confirm your choice The information which follows assumes that your choice was English When the language is chosen this menu will not...

Page 21: ...eral alarm Manual screen rpm Run high Security code Not set Clockwise rotation high Auto high Note The settings shown above for Run Clockwise rotation and Auto are those in force on initial start up f...

Page 22: ...on Marlow start up screen for four seconds followed by a warning screen for four seconds and then the manual mode main screen Note Once in the manual mode main screen keys assume their normal func tio...

Page 23: ...ns which appear on the upper part of numeric keys To access the MAX function for example press SHIFT once and release it A symbol appears in the bottom left of the display to indicate that the next ke...

Page 24: ...r steps as pre selected in the Scrolling section of Setup 18 15 unless the speed displayed is already the maximum allowed speed If the pump is then started by pressing the START key it will operate at...

Page 25: ...es use comma to represent a decimal point This pump uses Keypress combinations cause the pump to function as follows Note A number of the controls listed below are shortcuts to commands which are also...

Page 26: ...IRECTION SHIFT 1 to toggle the pump between clockwise and counter clockwise rotation Note Direction control is available subject to access not being limited by security code See 18 22 Security code 14...

Page 27: ...an 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...

Page 28: ...witched off When the pump starts running look for the symbol on the display This symbol indicates that the pump is set for auto restart Do not use auto restart for more than 100 starts per hour We rec...

Page 29: ...computer it confirms key presses made immediately before In menu item selection it triggers the action or display selected from a menu using the UP and DOWN keys Note Confirmation screens are displaye...

Page 30: ...Defaults Beep Security code and Exit Pin out details Pin out information is not relevant to 720DuN IP66 NEMA 4X pumps Selecting Pin out details causes the pump to display a warning screen and redispla...

Page 31: ...d Menu SHIFT 7 Available Available Not available Calibrate Available Available Not available Accept Available Available Not available Change Main PIN needed Main PIN or User PIN needed Not available S...

Page 32: ...the most accurate calibration Use the UP and DOWN keys to highlight Calibrate in the main menu Press ENTER to confirm Alternatively Press CAL SHIFT 8 to enter the calibration screen from the main runn...

Page 33: ...he UP and DOWN keys to make a selection Press ENTER to confirm An example is shown here The pump displays tube sizes as below Tube If Tube is selected or a pumphead choice has just been made the pump...

Page 34: ...ich it has just been set and invites the user to press START Note it is possible at this point to change the direction of rotation using the DIRECTION SHIFT 1 key and to change the speed of rotation u...

Page 35: ...been set to display flow rate in units of mass see 18 8 Flow units as in this example the pump displays a screen allowing you to confirm the specific gravity of the duty fluid immediately before the...

Page 36: ...displays the first of seven screens containing the Setup menu The Setup menu Make a selection using the UP or DOWN keys and press ENTER to confirm your choice The Setup menu occu pies seven screens Th...

Page 37: ...1 connector as instructed in the display See 18 2 Analogue While the signal is being applied press ENTER to record the signal as a calibration point Apply the maximum process control signal While the...

Page 38: ...ctor at the rear of the pump within the ranges 4 20mA 0 10V or 1 5V The Analogue option in the Setup menu allows the user to configure the pump to operate with his remote con trol system Select Analog...

Page 39: ...DOWN keys to make a selection and press ENTER to confirm your decision The pump configures the hardware and factory set response data and briefly displays a confirmation screen The user is returned t...

Page 40: ...he pump displays a screen allowing you to set the speed for high signal input 20mA or 10V Use the UP and DOWN keys to scroll the display to your chosen speed and press ENTER to confirm the figure If a...

Page 41: ...o confirm your decision The pump displays a screen inviting the user to enter the required speed proportion for low signal input 4mA or 0V as a value from 0 to 100 Enter your value using the UP or DOW...

Page 42: ...of the Setup menu When the pump next runs the manual mode main screen will display pump activity in rpm flow rate in the units you chose see 18 8 Flow units or both according to your choice plus a cu...

Page 43: ...keys to enter a new number in the display and press ENTER to confirm your decision An example is shown here The pump displays the first screen of the Setup menu 18 5 Baud The pump can be set to commun...

Page 44: ...UP and DOWN keys to select 2 1 or 0 and press ENTER to confirm your decision The pump displays the second screen of the Setup menu 18 7 Xon Xoff The pump can be set to communicate with control devices...

Page 45: ...R to confirm your decision If you chose US the pump offers a choice of units US Gallons hr US Gallons day lb hr or lb day Use the UP and DOWN keys to choose and press ENTER to confirm your decision If...

Page 46: ...e A two screen menu is displayed offering Both None Run time or Cumulative qty Use the UP and DOWN keys to scroll a highlight up and down the list if DOWN is pressed while Run Time is highlighted or U...

Page 47: ...ump is in analogue control mode or manual control mode General alarm Provides an alarm output when any system error condition occurs except leak detected analogue signal out of range analogue over sig...

Page 48: ...the Output selection screen Selecting Run Stop Direction or Auto Man using the UP and DOWN keys and confirming the choice by pressing ENTER displays screens allowing the user to configure Run to High...

Page 49: ...pump asks the user whether the remote stop feature is to be disabled fully for both manual and auto operation or only for manual operation leaving remote stop functioning when the pump is operating in...

Page 50: ...Off and press ENTER to confirm the decision If Off is chosen the pump returns the user to the fourth screen of the Setup menu The auto restart facility will not operate If On is chosen the pump retur...

Page 51: ...rn ing screen requiring the user to press ENTER if he selected a speed greater than 300 rpm 18 14 Set minimum allowed speed The minimum allowed speed of the drive defaults to 0 1rpm It is possible to...

Page 52: ...rs a speed one increment greater than the current speed Note For 0 1rpm 0 5rpm and 1rpm settings the increments increase progressive ly as long as the UP or DOWN key is continually held down In the fi...

Page 53: ...ng ENTER to confirm each one When ENTER is pressed to confirm the seconds the pump redisplays the fifth screen of the Setup menu 18 17 Backlight The pump s display can be illuminated or not according...

Page 54: ...CHK 123 for example This may be required if reporting pump performance to the Watson Marlow service department Alternatively Press 1 DIRECTION and DOWN together to interrupt the display and show the p...

Page 55: ...hth Setup screen Switch the pump off and then on again to complete the defaults reset If No was chosen the pump makes no changes to its setup and redisplays the sixth Setup screen Note See default set...

Page 56: ...is displayed inviting the user to set a main code Press ENTER to proceed or STOP to return to the sixth screen of the Setup menu If a main code has been set a screen is displayed inviting the user to...

Page 57: ...ixth Setup screen If STOP is pressed during code confirmation the pump returns the user to the first digit entry screen Note A user code cannot be set unless a main code has previously been set If you...

Page 58: ...e it easier for the user to measure accurately though it may not represent the duty condition Place a suitable measuring vessel under the pump delivery tube Press START The pump runs and fluid is pump...

Page 59: ...or DOWN keys to alter the percentage Press START to dis pense the new dose The display counts down as the dose proceeds and stops when the dose is complete If STOP is pressed during dosing the pump st...

Page 60: ...e inputs and outputs with MemoDose A footswitch can be used to trigger MemoDose dispensing as a hands free alterna tive to pressing START See 22 10 MemoDose Input for connections To operate MemoDose w...

Page 61: ...placement To remove the 720N watertight module The module is secured to the back of the drive unit by six M5x12 Pozidriv counter sunk stainless steel screws Remove the six screws using a suitable cros...

Page 62: ...lity to ensure the pump s safe and reliable operation under remote and automatic control This pump s 0V lines are commoned and mains transformer isolated from ground floating ground It can be connecte...

Page 63: ...or of the module it is held in place by two fixing screws which can be removed and replaced with a cross point screwdriver Take nor mal anti static precautions when handling printed circuit boards Sui...

Page 64: ...e screen Loosen one of the pcb retaining screws and wind the shielding round it Secure the screen by refastening the screw Alternatively secure the cable screen to the adjacent spade connection where...

Page 65: ...able reliable voltage source can be used with a DC voltmeter Circuit impedance 22k Inverting the response is set up in software Do not invert the polarity of the termi nals A remote potentiometer with...

Page 66: ...minals of the Rem pot connector J7 and the i p terminal of the Analogue 2 connector J8 When using a remote potentiometer do not apply a voltage or cur rent control input signal at the same time The sc...

Page 67: ...allowed speed Note If the mA output is to be used for reading from a multimeter a 250 resistor is required in series 22 6 Tachometer frequency output A tachometer frequency output is available on the...

Page 68: ...e 5V terminal of the Run stop i p connector J4 Alternatively a logic input may be applied to the i p ter minal ground to the 0V terminal High input stops the pump low input runs the pump With no conne...

Page 69: ...ther remote inputs such as with 5V to 24V logic as shown above using the i p ter minal and the 0V terminal Note This input is software debounced so the signal can be either momentary or maintained dur...

Page 70: ...our output device to the c common terminal of your chosen relay connector and either the n c terminal or the n o terminal normally closed or normally open as required Configure the pump s software acc...

Page 71: ...ge for remote potentiometer speed control Do not use as a general supply voltage 22 14 RS485 input Connect your network link to J10 using a screened twisted pair A to A B to B screen to 0V Ensure that...

Page 72: ...gue Manual and Network Use the UP and DOWN keys to choose and press ENTER to confirm Selecting Manual returns the user to the manual mode main screen See 14 Manual operation Selecting Network puts the...

Page 73: ...speed high signal speed cumulative volume and run time if that option was selected during set up see 18 3 Display or if it is selected by pressing ENTER or START The scaling percentage is also dis pla...

Page 74: ...is pressed or if the pump is in auto mode via the digital input the interruption screen offers one key press press START to continue auto operation If keypad lock was not in place when STOP was presse...

Page 75: ...DOWN keys to choose and press ENTER to confirm Selecting Manual returns the user to the manual mode main screen See 14 Manual operation Selecting Analogue puts the pump into analogue mode See 23 Auto...

Page 76: ...peration and retains the set speed and run status from its previous operation in network mode See 14 Manual operation Emergency stop In an emergency press the STOP key The pump stops and displays an i...

Page 77: ...ation is fixed and provides a measurable and absolute way of monitoring the number of rev olutions of the gearbox output shaft 10 982 pulses per revolution This in turn allows the count to be equated...

Page 78: ...mains power plug if one is present If the pump runs but there is little or no flow make the following checks Check that the tube and rotor are in the pumphead Check that fluid is supplied to the pump...

Page 79: ...k support Over current Stop pump immediately Check system Power OFF ON may reset Or seek support Over voltage Stop pump immediately Check mains voltage selector switch Check supply Power OFF ON may re...

Page 80: ...are no user serviceable parts inside the pump The unit should be returned to Watson Marlow or its appointed agents or distributors for service 27 Drive spares Replaceable main fuse type T5A H 250V FS...

Page 81: ...n the pumphead When pumping viscous fluids the losses caused by increased friction can be overcome by using pipe runs with a cross sectional area several times greater than the pumping element Do fit...

Page 82: ...which performance and life figures have been calculated relate to peak pipeline pressures Although rated to 2 bar peak pressure this pump will generate in excess of 2 bar peak pressure if pipeline re...

Page 83: ...pling spider on the drive side coupling half Hand rotate the pumphead coupling half until its rotary position aligns with the rotary position of the drive coupling half Align the pumphead and the driv...

Page 84: ...the top corner of the backplate of the extension pumphead Align the drive shaft dog of the extension pumphead with the slot in the drive shaft of the first pumphead Fit the extension pumphead to the...

Page 85: ...the springs Release the tube clamps by pulling on the release levers and lift out both clamps Lay the tubing across the pumphead Secure the suction side by sliding in the first tube clamp Fit the deli...

Page 86: ...rmly clamped at the suction end The delivery end should be unclamped to release any excess tubing pulled tight and then firmly re clamped again Repeat as neces sary When using Marprene continuous tubi...

Page 87: ...e and slide it out from under the springs Locate the D shaped flange fitted to the end of the tube element into the deliv ery right hand sliding tube clamp The D flange ensures that the element can on...

Page 88: ...4 8mm wall tubing 3 CN0090 Coupling half 4 MR0880C Tube clamp 5 MRA3061A Foot assembly 6 CN0229 M12 blanking plug 7 CN0088 Coupling spider 8 MRA0027A Pivot pin assembly 8 MRA0034A Pivot pin assembly...

Page 89: ...4 8mm wall tubing 3 CN0090 Coupling half 4 MR1118T Sliding clamp 5 MRA3061A Foot assembly 6 CN0229 M12 blanking plug 7 CN0088 Coupling spider 8 MRA0027A Pivot pin assembly 8 MRA0034A Pivot pin assembl...

Page 90: ...d spares rotor Number Spare Description 1 MR0879A Rotor flange 2 MR0667T Spacer 3 FN0420 Screw M5x16 socket countersunk 4 MRA0039A Shaft with sun gear 720R 5 MR0773B Drive slot plug 6 MRA0020A Roller...

Page 91: ...elivery pressures For critical applications determine flow rates under operating conditions Note these figures refer to the performance of a single pumphead where twin pumpheads are used the figures s...

Page 92: ...0254 PFT 913 A254 PFT Industrial elements with PP Cam and Groove connectors Marprene TL Neoprene Pumpsil silicone 12 7 1 2 88 902 0127 PPC 920 0127 PPC 913 A127 PPC 15 9 5 8 189 902 0159 PPC 920 0159...

Page 93: ...b 02 qxp Watson Marlow 720DuN First published 05 07 Revised 01 08 36 Continuous tubing product codes 720R mm inch Marprene Bioprene Pumpsil silicone 9 6 3 8 193 902 0096 048 903 0096 048 913 A096 048...

Page 94: ...amination certificate for each product You are responsible for cleaning and decontaminating the product s before return Your name Company Address Postcode zip Country Telephone Fax Product type Serial...

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