Watson-Marlow qdos20 User Manual Download Page 111

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Drive maintenance

There are no user serviceable parts inside the pump. The unit should be returned to
Watson-Marlow for service. See "Information for returning pumps" on page 10.

m-qdos-en-02

111

Summary of Contents for qdos20

Page 1: ...Watson Marlow qdos User Manual m qdos en 02 1 ...

Page 2: ...General recommendations 20 7 2 Do s and do not s 21 7 3 Pressure capability 21 7 4 Dry running 21 8 Connecting to a power supply 22 8 1 AC mains power supply 22 8 2 DC power supply option 23 9 Start up check list 24 10 Automatic control wiring Universal Universal and Remote models without relay modules 25 10 1 Input pin assignments at the pump 26 10 2 Optional input lead 26 10 3 Output pin assignm...

Page 3: ...7 7 Channel related diagnostic data 62 18 Flow calibration mode Manual PROFIBUS Universal and Universal only 64 19 Analog 4 20mA mode Universal and Universal only 67 19 1 Calibrate the pump for 4 20mA control Universal only 72 20 Contact Mode All Universal and Universal models except 110V relay versions 77 20 1 Contact settings 77 20 2 Contact operating mode All Universal and Universal models exce...

Page 4: ... tubing 115 27 Pumphead Replacement qdos 20 60 and 120 117 27 1 Connecting interface tubing 120 28 Ordering information 123 28 1 Pump part numbers 123 28 2 Spares and accessories 124 29 Performance data 127 29 1 Pumping conditions 127 29 2 Pressure capability 127 29 3 Dry running 127 29 4 Pumphead life 127 29 5 DC power supply option input characteristics 127 29 6 Performance curves 128 30 Tradema...

Page 5: ...1 Declaration of conformity This pump is ETL listed ETL control number 3050250 Cert to CAN CSA std C22 2 No 61010 1 Conforms to UL std 61010A 1 See Pump specifications on page 13 m qdos en 02 5 ...

Page 6: ...en advised of the possibility of such damages Watson Marlow shall not be liable for any loss damage or expense directly or indirectly related to or arising out of the use of its products including damage or injury caused to other products machinery buildings or property Watson Marlow shall not be liable for consequential damages including without limitation lost profits loss of time inconvenience ...

Page 7: ...licious or accidental damage or neglect are excluded l Failure caused by electrical surge is excluded l Failure caused by incorrect or sub standard system wiring is excluded l Damage by chemical attack is excluded l Ancillaries such as leak detectors are excluded l Failure caused by UV light or direct sunlight l All ReNu pumpheads are excluded l Any attempt to disassemble a Watson Marlow product w...

Page 8: ... Packaging disposal Dispose of packaging materials safely and in accordance with regulations in your area The outer carton is made of corrugated cardboard and can be recycled 3 2 Inspection Check that all components are present Inspect components for damage in transit If anything is missing or damaged contact your distributor immediately 3 3 Components supplied Qdos 20 60 and 120 m qdos en 02 8 ...

Page 9: ...fety information booklet 3 4 Optional accessories Spares and accessories are available such as l Additional ReNu pumphead l HMI protective cover not compatible with remote models l Interface tubing l Input and output I O leads l l Hydraulic connector packs For a full list of accessories see Spares and accessories on page 124 3 5 Storage This product has an extended shelf life However care should b...

Page 10: ... cause delays Please ensure that you fax us this form and receive an RGA Returned Goods Authorisation before you despatch the product s A copy of this form must be attached to the outside of the packaging containing the product s Please complete a separate decontamination declaration for each product A copy of the appropriate decontamination declaration can be downloaded from the Watson Marlow web...

Page 11: ...tallation starting up maintenance and repair should be performed by qualified personnel only The unit must be isolated from mains power while work is being carried out The motor must be secured against accidental start up There is a non replaceable fuse on the switch mode power supply board In some countries the mains power plug contains a replaceable fuse There are no user serviceable fuses or pa...

Page 12: ...l damaging the seal integrity Damage to the seal could cause aggressive chemicals to enter the pump housing and react wth the components internal to the pump housing The reaction may produce explosive gases inside the pump housing Danger of damage to pump and possible risk of explosion if dosing liquid has entered the pump housing To prevent dosing liquid entering the pump housing follow the recom...

Page 13: ...unted Pumphead locking latch Outlet Inlet Mounting plate HMI not Remote Drive unit qdos 20 60 and 120 with relay module ReNu pumphead left hand mounted Pumphead locking latch Outlet Inlet Mounting plate 110v or 24v relay module HMI not Remote Drive unit m qdos en 02 13 ...

Page 14: ...lamps Outlet Inlet Power Mounting plate HMI not Remote Drive unit qdos 30 with 110v or 24v relay module pumphead retaining clamps ReNu pumphead left hand mounted Outlet Inlet Power Mounting plate 110V or 24V relay module HMI not Remote Drive unit m qdos en 02 14 ...

Page 15: ...details Product reference Model Serial number 6 1 Pump specifications Flow Range flow control Manual PROFIBUS Universal and Universal qdos120 0 1 2000 ml min 20000 1 qdos60 0 1 1000 ml min 10000 1 qdos30 0 1 500 ml min 5000 1 qdos20 0 1 333 ml min 3330 1 Remote qdos120 1 25 2000 ml min 1600 1 qdos60 0 6 1000 ml min 1600 1 qdos30 0 3 500 ml min 1600 1 qdos20 0 2 333 ml min 1600 1 AC Supply voltage ...

Page 16: ... temperature range 20 C to 70 C 4 F to 158 F Maximum altitude 2 000m 6 560ft Humidity non condensing 80 up to 31 C 88 F decreasing linearly to 50 at 40 C 104 F Pollution degree 2 Noise 70dB A at 1m Requires the fitting of the HMI protective cover 6 2 Standards AC mains power supply EC Harmonised standards Safety requirements for electrical equipment for measurement control and laboratory use BS EN...

Page 17: ...measurement control and laboratory use BS EN 61010 1 incorporating A2 Category 2 Pollution degree 2 Degrees of protection provided by enclosures IP code BS EN 60529 amendments 1 and 2 EN61326 1 2006 Electrical Equipment for measurement control and laboratory use EMC requirements Part 1 Other Standards UL 61010A 1 UL CSA 61010 1 CAN CSA C22 2 No 61010 1 IEC 61010 1 Radiated conducted emissions FCC ...

Page 18: ... 4 214mm 8 4 C 118mm 4 6 82 5mm 3 2 118mm 4 6 118mm 4 6 D 266mm 10 5 233mm 9 2 266mm 10 5 266mm 10 5 E Optional relay modules H or R 43mm 1 7 43mm 1 7 43mm 1 7 43mm 1 7 F 173mm 6 8 173mm 6 8 173mm 6 8 173mm 6 8 G 40mm 1 6 40mm 1 6 40mm 1 6 40mm 1 6 H 140mm 5 5 140mm 5 5 140mm 5 5 140mm 5 5 I 10mm 0 4 10mm 0 4 10mm 0 4 10mm 0 4 m qdos en 02 18 ...

Page 19: ... 9oz 5 9 13lb 0oz Universal 110V relay 4 8 10lb 9oz 5 9 13lb 0oz Universal 110V relay 4 8 10lb 9oz 5 9 13lb 0oz qdos30 Model Drive Drive with pumphead kg lb kg lb Manual 4 1 9lb 5 05 11lb 2oz Remote 4 0 8lb 13oz 4 95 10lb 15oz Universal 4 1 9lb 5 05 11lb 2oz Universal 4 1 9lb 5 05 11lb 2oz PROFIBUS 4 1 9lb 5 05 11lb 2oz Universal 24V relay 4 3 9lb 8oz 5 25 11lb 9oz Universal 24V relay 4 3 9lb 8oz ...

Page 20: ...qdos is a positive displacement pump therefore it is recommended best practice that customers incorporate discharge pressure relief in their piping system Failure to fit a pressure release valve in the discharge pipework will result in excessive build up of pressure should the discharge become blocked This may present a safety risk may cause damage to the system pipework or lead to premature failu...

Page 21: ...e This will ensure flooded suction and maximum pumping efficiency Do run at slow speed when pumping viscous fluids Flooded suction will enhance pumping performance particularly for materials of a viscous nature Do recalibrate after changing pumphead fluid or any connecting pipework It is also recommended that the pump is recalibrated periodically to maintain accuracy Do ensure your PROFIBUS pump i...

Page 22: ...le is not user detachable and the entry gland at the front of the pump should not be disassembled Each pump is supplied with a power cable The connector at the pump end of the cable is IP66 rated The mains plug at the opposite end of the cable is NOT IP66 rated Ensure that all power supply cables are adequately rated for the equipment The pump must be positioned so that the disconnection device th...

Page 23: ...y gland at the front of the pump should not be disassembled Notes It is highly recommended that an isolating switch is provided between the power source and the pump The cable is fitted with M8 ring terminals to fit common isolators The 20A blade fuse is a safety device and should not be removed or the value changed The fuse holder is splashproof IP31 but NOT waterproof IP66 Connection to the DC s...

Page 24: ... Pumphead Replacement qdos 20 60 and 120 on page 117 l Ensure the pumphead ports are securely fitted to the interface tubing l Ensure proper connection has been made to a suitable power supply l Ensure that the general recommendations are followed see General recommendations on page 20 m qdos en 02 24 ...

Page 25: ...connection It is the user s responsibility to ensure the safe and reliable operation of the pump under remote and automatic control Never apply mains power to the five pole M12 connectors Apply the correct signals to the pins as shown below Limit signals to the maximum values shown Do not apply voltage across other terminals Permanent damage may result All input and output terminals are separated ...

Page 26: ...nal Contact Reserved Min 5V max 30V Pulse 5 24V 40ms minimum pulse length referenced to pin 4 Alternatively connect pin 5 of the output to this pin via normally open switch White 3 4 20mA 250Ω input impedance 40mA max current 250Ω load resistance 40mA max current Referenced to GND Blue 4 GND Ground 0V Black 5 Remote fluid recovery Min 5V max 30V Connect 5 24V DC supply to reverse the pump in analo...

Page 27: ...ined dose size Refer to the contact mode section Speed analog input The speed of this pump can be controlled remotely by a current analog signal within the range 4 20mA The analog signal must be applied to pin three of the M12 input connector The pump will provide an increasing speed for a rising control signal The Universal model can be calibrated by the user to control the speed proportionally o...

Page 28: ... Minimum 1A 100V The resistor or relay needs to be sized correctly to ensure no damage to the pump transistors Damage incurred due to incorrect sizing or installation will not be covered by warranty These solutions require external 24V power If connecting to a PLC 24V is usually available Alarm Output Output 1 Alarm conditions are generated by system errors or leak detection Run Status Output Outp...

Page 29: ...s been reconfigured by the user This option is available in the Control settings menu Note If the mA output is to be used for reading from a multimeter a 250Ω resistor is required in series 10 4 Optional output lead Output lead length 3m 10ft Yellow insert Brown White Blue Black Grey m qdos en 02 29 ...

Page 30: ...ors within the relay module situated on the side of the pump The relay module must be removed from the pump housing to allow suitable cables to be connected to the terminal connectors via the watertight cable glands on the module Removing the relay module cover The module cover is secured to the side of the drive unit by four M3x10 Pozidriv pan head stainless steel screws Remove the four screws fr...

Page 31: ...convenience of the installer As standard two cable glands are provided with the pump Recommended control cable conductors for the terminal blocks metric 0 14sq mm 2 5sq mm solid and 0 14sq mm 1 5sq mm stranded USA 26AWG 14AWG solid and 26AWG 16AWG stranded Cable circular Max min outside diameter to ensure a seal when passed through the standard gland 9 5mm 12mm The cable section must be circular t...

Page 32: ...the gland cap do not remove it and pass the cable in through the gland When it has passed through the gland continue to push the cable through 4 Pull through sufficient cable to reach the connectors required leaving a little slack 5 Strip the outer sheath as necessary and remove 5mm of insulation from the conductors No tinning or ferrule is required Note If very stiff or large diameter cable is us...

Page 33: ...ace Ensure that multi strand wires are terminated with a crimp suitable for the wire diameter Failure to do so may result in electric shock 9 When all conductors are in position replace the module cover 10 Using a 21mm spanner tighten the gland cap to 2 5Nm to ensure a watertight seal Alternatively tighten the gland by hand until it is finger tight and use a spanner to tighten it further by one ha...

Page 34: ...oltage across other terminals Permanent damage not covered by warranty may result The maximum load on the relay contacts of this pump is 110VAC 5A or 30VDC 5A Alarm output J5 Connect the output device to the C common terminal of the relay connector and either the N C normally closed or N O normally open terminal as required This relay coil is energised when the pump has an alarm condition Note Ala...

Page 35: ...ector J3 Alternatively a 24V logic input may be applied to the Stop Contact terminal ground to the GND terminal of the adjacent 4 20mA I P connector J2 The sense of the remote stop input can be configured in software using the control settings menu Remote stop is operational in manual and analog mode Contact To operate the pump in contact mode the remote stop input should be set to High Speed anal...

Page 36: ...nput if this has been reconfigured by the user This option is available in the Control settings menu Note If the mA output is to be used for reading from a multimeter set on mA a 250Ω resistor is required in series 4 20mA GND 2 J1 O P 1 Earth shielding terminals 4 8mm spade terminals are supplied for earth shielding of cables The input cable and output cable earths can be connected to either termi...

Page 37: ...pump is 115VAC max current 5A Voltages do not require transformer isolation The relays are specified to switch 115VAC mains powered loads These relay outputs are not suitable for 24VDC logic signals Alarm output J5 Connect the output device to the C common terminal of the relay connector and either the N C normally closed or N O normally open terminal as required This relay coil is energised when ...

Page 38: ...terminal of the Analog connector J2 Ground to the GND connector of the same terminal In Analog mode the pump set speed will be proportional or inversely proportional to the analog input 4 20mA circuit impedance 250Ω Max current 40mA Note inverting the signal response is set up in software Do not invert the polarity of the terminals Analog GND 2 J2 I P 1 Speed analogue output J1 Universal only A cu...

Page 39: ...e terminals are supplied for earth shielding of cables The input cable and output cable earths can be connected to either terminal 4 20mA and low voltage signals separate from mains power Use separate glanded input cables m qdos en 02 39 ...

Page 40: ...e M12 socket provided for PROFIBUS installation is IP66 rated To maintain an IP66 rated system the PROFIBUS cable T adaptors and terminating resistors used must be fitted with IP66 rated M12 industrial connectors Note To prevent low frequency ground loops screening which is earthed at one end should be used To counter magnetic HF pick up shielding earthed at both ends as well as twisted conductors...

Page 41: ...TxD N Data line minus A line 3 DGND Data ground 4 RxD TxD P Data line plus B line 5 Shield Ground connection Note If the pump is the last bus device connected to the PROFIBUS cable it must be terminated using terminating resistor PROFIBUS standard EN 50170 To maintain ingress protection the resistor must be IP66 rated m qdos en 02 41 ...

Page 42: ... pump displays the start up screen with the Watson Marlow Pumps logo for three seconds Selecting your chosen display language Use the keys to move the selection bar to your required language Press SELECT to choose Your selected language will now be displayed on screen choose CONFIRM to continue All displayed text will now appear in your chosen language m qdos en 02 42 ...

Page 43: ...t time start up defaults Flow rate qdos120 960ml min qdos60 480ml min qdos30 240ml min qdos20 120ml min Pump status Stopped Calibration qdos120 16 ml rev qdos60 6 67ml rev qdos30 8 ml rev qdos20 4 ml rev Flow unit ml min Backlight 30 minutes Pump tag WATSON MARLOW Auto restart Off This then proceeds to the home screen m qdos en 02 43 ...

Page 44: ...e is displayed see Error codes on page 108 l The pump displays the start up screen with the Watson Marlow Pumps logo for three seconds followed by the home screen l Start up defaults are those in place when the pump was switched off last Check that the pump is set to operate as you require it The pump is now ready to operate All operating parameters may be changed by means of key presses see Pump ...

Page 45: ...4 Switching on Remote When power is supplied to the pump all the LED icons will illuminate for three seconds After this period the pump will operate in accordance with the inputs received m qdos en 02 45 ...

Page 46: ...um 5V maximum 24V to input pin 5 15 2 Pump operation Manual PROFIBUS Universal and Universal only Keypad functions Manual PROFIBUS Universal and Universal only Backlight Change value move selection bar Mode Priming Stop Start Home Colour TFT display Left hand function Right hand function HOME When the HOME key is pressed it will return the user to the last known operating mode If modifying pump se...

Page 47: ... When this occurs you may notice a brief flash Screen Icons Manual PROFIBUS Universal and Universal only Under certain conditions various icons will appear in the screen display area The pump displays a RED stop icon when it is in a manually stopped condition In this state the pump will not start unless the START key is pressed The pump displays a RED PAUSE icon when it is receiving a remote stop ...

Page 48: ... keys will scroll through the available modes The available modes are l Manual default l Flow calibration l Analog 4 20mA Universal and Universal only l Contact mode Universal only l PROFIBUS PROFIBUS only l Fluid recovery l CANCEL Use SELECT to choose mode Use the right hand function key to alter mode settings m qdos en 02 48 ...

Page 49: ...led If enabled the pump will return to the last known operating state when the power was lost When the pump is running it displays an animated clockwise arrow In normal operation the direction of flow is into the bottom port of the pumphead and out of the top port If an exclamation mark is displayed it indicates that Auto restart is on see 18 3 General settings on page 57 If a padlock icon shows i...

Page 50: ...G AND DECREASING FLOWRATE Using the keys will increase or decrease the flowrate Decreasing flowrate l A single key press will decrease flowrate by the least significant digit of the chosen flowrate unit l Repeat key presses as required to achieve the desired flowrate l Hold down the key for flowrate scrolling m qdos en 02 50 ...

Page 51: ...e l Hold down the key for flowrate scrolling Max 100 function Manual mode only l Press and hold the MAX key to run at maximum flow l Release the key to stop the pump l The volume dispensed and time elapsed are displayed whilst the MAX key is pressed and held The MAX function will work when the key is pressed in manual mode regardless of the status of the START STOP input m qdos en 02 51 ...

Page 52: ...ess can only be set from the pump The user can set the station address within this mode Select MODE Using the keys scroll to PROFIBUS and press SELECT If PROFIBUS is not enabled the screen below will prompt you to CONFIRM that you would like to enable PROFIBUS On the PROFIBUS home screen the white P icon indicates that there is data exchange m qdos en 02 52 ...

Page 53: ...n 17 1 Assigning the PROFIBUS station address at the pump The station address can only be set from PROFIBUS settings The station address cannot be automatically assigned by the master Select MODE Using the keys scroll to PROFIBUS and press SETTINGS m qdos en 02 53 ...

Page 54: ... in the range from 1 to 125 126 is the default station address Press FINISH to set the station address or NEXT to enable disable PROFIBUS communication Use the keys to enable or disable PROFIBUS communication and press FINISH m qdos en 02 54 ...

Page 55: ...s into the field device selected during configuration by the user Download of I O configuration into the field device selected during configuration by the user Cyclic data exchange I O data and field device reports diagnostic Parameterisation I O configuration Data exchange If data exchange is lost at any time the following screen will be displayed The first red dot corresponds to the stage at whi...

Page 56: ... be integrated into a PROFIBUS DP V0 network using a General Station Data GSD file The file identifies the pump and contains key data including its communication settings the commands it can receive and the diagnostic information it can pass to the PROFIBUS master on interrogation The GSD file file name WAMA0E7D GSD can bedownloaded from the Watson Marlow website and installed or typed into a PROF...

Page 57: ...ber 0x0E7D Protocol_Ident 0 Station_Type 0 FMS_supp 0 Hardware_Release V1 00 Software_Release V1 00 Redundancy 0 Repeater_Ctrl_Sig 0 24V_Pins 0 9 6_supp 1 19 2_supp 1 45 45_supp 1 93 75_supp 1 187 5_supp 1 500_supp 1 1 5M_supp 1 3M_supp 1 6M_supp 1 12M_supp 1 MaxTsdr_9 6 60 MaxTsdr_19 2 60 MaxTsdr_45 45 60 MaxTsdr_93 75 60 MaxTsdr_187 5 60 MaxTsdr_500 100 m qdos en 02 57 ...

Page 58: ...17 4 User Parameter Data The user parameter data is set by entering values into the Ext_User_Prm_Data_ Const 0 line of the GSD file This is indicated below and the relevant bytes are listed in the table No further changes should be made to the GSD file and Watson Marlow accepts no responsibility for pump failures arising from changes to the GSD file Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7...

Page 59: ...ail safe byte is configured as shown in the following table If no bits are set or an invalid bit pattern is set the default fail safe behaviour shall be to stop the pump Hex Description 0x00 The pump will stop 0x01 Continue driving using the last demanded speed 0x02 Continue driving using the fail safe speed 0x03 0x07 Reserved Fail Safe Speed The fail safe speed parameter is used to set the speed ...

Page 60: ...el Reset 8 15 Reserved Pumphead Speed Setpoint The speed setpoint is a 16 bit unsigned integer value that represents the speed of the pump head in 1 10th of RPM For example 1205 represents 120 5 RPM Set Flow Calibration This parameter is used to set the flow calibration value from the fieldbus interface The value is a 16 bit unsigned integer representing μl per revolution of the pumphead Note that...

Page 61: ...d 16 bit Byte 5 6 Hours Run 16 bit Byte 10 9 No of full motor revolutions 16 bit Bytes 8 7 Reserved 32 bit Byte 13 14 15 16 Fluid Level 32 bit Byte 17 18 19 20 Unassigned 32 bit Byte 21 22 23 24 Unassigned 32 bit Byte 25 26 27 28 Unassigned Status Word Bit Description 0 Motor running 1 Running 1 Global Error Flag 1 Error 2 Fieldbus Control 1 Enabled 3 Reserved 4 Over current error 5 Under voltage ...

Page 62: ...29 55 BYTE HEX TO DECIMAL 10 9 10 9 A FF FF 65536 B FF C4 65476 MOTOR FULL REVOLUTIONS A Minus B 59 A Start of Dose B End of Dose PUMPHEAD REVOLUTIONS MOTOR REVS GEARBOX RATIO 59 29 55 Divide 1 996 RPM Read Flow Calibration The value is a 16 bit unsigned integer representing μl per revolution 17 6 Device related diagnostic data 8 bit Byte 1 Header Byte 16 bit Byte 2 3 Reserved 16 bit Byte 4 5 Rese...

Page 63: ...2 Under voltage Over voltage 0xA3 Over voltage 0xA3 Over voltage Motor stall 0xA4 Overload Over temp 0xA5 Over temp 0xA5 Over temp Tacho fault 0xB1 Device related 0x11 Leak detected 0xB2 Device related 0x12 Fluid level alert 0xB3 Device related 0x15 Reserved 0xA6 Reserved Setpoint out of range high 0xA7 Upper limit exceeded Setpoint out of range low 0xA8 Lower limit exceeded m qdos en 02 63 ...

Page 64: ...versal and Universal only This pump displays flow rate in ml min Setting the flow calibration Select MODE Using the keys scroll to Flow calibration and press SELECT Using the keys enter the maximum flow rate limit and press ENTER m qdos en 02 64 ...

Page 65: ...Press START to begin pumping a volume of fluid for calibration Press STOP to stop pumping fluid for the calibration m qdos en 02 65 ...

Page 66: ...ng the keys enter the actual volume of fluid pumped To accept the new calibration press ACCEPT or RECALIBRATE to repeat the procedure Press HOME or MODE to abort The pump is now calibrated m qdos en 02 66 ...

Page 67: ...between the external milliamp signal and the flow rate is determined by configuring the two points A and B as shown in the graph below The rate of flow can be proportional or inversely proportional to the analogue milliamp input The default values stored in the pump are A 4 1mA 0 rpm B qdos20 19 8mA 55 rpm B qdos30 qdos60 and qdos120 19 8mA 125 rpm Flowrate mA A B When the mA signal received is gr...

Page 68: ...ODE l Using the keys scroll to Analog 4 20mA and press SELECT The current signal being received by the pump is displayed for information only on the HOME screen Pressing the INFO function key will display further information m qdos en 02 68 ...

Page 69: ...g the 4 20mA profile by using a multiplication factor Press from the HOME screen to access the scaling factor Use the keys to enter a multiplication factor A figure of 1 00 will not alter the 4 20mA profile A figure of 2 will double the flow rate output from a specific mA signal A figure of 0 5 will halve the output m qdos en 02 69 ...

Page 70: ...or Press ACCEPT to confirm the new 4 20mA PROFILE figures This will not alter the stored A and B points the multiplication factor will re scale the 4 20mA profile To re set the original flow rates re set the multiplication factor to 1 00 m qdos en 02 70 ...

Page 71: ...odes The speed limit cannot exceed the high flow rate set point B The speed limit function takes precedence over the scaling factor For example if the qdos20 4 20mA profile is 0 flow at 4mA to 100 flow at 20mA and a speed limit of 33 rpm is applied followed by a scaling factor of 0 5 then the output will be 30 If a scaling factor of 2 is applied in the same scenario then the output will be 33 rpm ...

Page 72: ...low signals must be within range If the signal sent is out of range you will not be able to set the signal input value and progress to the next step in the process Select MODE Using the keys scroll to Analog 4 20mA and press CALIBRATE 4 20mA Choose whether to enter the current values manually via the keypad or whether to apply the current signals electrically to the analog input m qdos en 02 72 ...

Page 73: ...gh signal input to the pump or enter the current value using the keys ACCEPT appears when high mA signal is within tolerance limits Press ACCEPT to accept the high signal input or CANCEL to return to the previous screen m qdos en 02 73 ...

Page 74: ...on Using the keys scroll to the desired flow rate Select SET FLOW or press BACK to return to the previous screen Setting a low signal Send the low signal input to the pump or enter the current value using the keys m qdos en 02 74 ...

Page 75: ...h signal is less than 1 5mA the following error message will be displayed ACCEPT appears when low mA signal is within tolerance limits Press ACCEPT to accept the low signal input or CANCEL to return to the previous screen m qdos en 02 75 ...

Page 76: ...on Using the keys scroll to the desired flow rate Select SET FLOW This proceeds to the screen confirming calibration is complete Select CONTINUE to start in proportional mode or MANUAL to continue in manual mode m qdos en 02 76 ...

Page 77: ...hen an external pulse is received The dose volume is a user defined value between 0 1ml and 999l 20 1 Contact settings To setup contact mode firstly you will need to define the settings To do this press the MODE key move the selection bar to Contact and select SETTINGS with the right hand function key This will display the settings m qdos en 02 77 ...

Page 78: ...hat the pump will do when pulses are received while a dose is in progress If set to ignore the pulses will be forgotten by the pump If set to add any pulses received while dosing will be queued up in memory and will be dispensed when the current dose has finished If pulses are buffered in the memory then the pump will not stop between doses Once you have decided all your settings press FINISH and ...

Page 79: ...home screen will be displayed The home screen displays the contact dose the flow rate and the dose time remaining when a dose is in progress The dose time is only displayed on screen when it is between 3 seconds and 999 seconds When the pump is not dosing it is possible to manually start a dose by pressing the START key Doses which operate for less than 3 seconds are not recommended m qdos en 02 7...

Page 80: ...them at intervals We recommend examining your process to identify whether a 4 20mA signal can be used rather than a pulse Where technology does not allow a 4 20mA signal we recommend using a signal converter accessory This can be used to change your pulse signal to a 4 20mA signal ideal for metering see Analog 4 20mA mode Universal and Universal only on page 67 20 3 Fluid recovery mode Manual PROF...

Page 81: ...re that your system design permits reverse flow If unidirectional valves are installed then reverse flow will not function and the pump will build up excessive pressure within the pipework Press and hold RECOVER to start running the pump in reverse and recover fluid The screen below will be displayed whilst RECOVER is held down As fluid is recovered the volume recovered and time elapsed will incre...

Page 82: ... functionality To enable this position the selection bar over fluid recovery in the mode menu and press the SETTINGS function key Select ENABLE to turn this functionality on The reverse process can be used to switch the function off When this function is enabled the pump operation can be reversed in analog 4 20mA mode by applying minimum 5V to maximum 24V to pin 5 of the pump input The pump will o...

Page 83: ...ly 5 24 volts to input pin 1 2 Apply 5 24 volt to pin 5 of the pump input 3 Remove the remote stop signal 4 Apply 4 20mA to the analog input This will cause the pump to run in reverse at a speed proportional to the analog signal 5 Apply remote stop signal when enough fluid has been recovered 6 Remove the voltage at pin 5 of the pump inputs 7 Remove the remote stop signal when you are ready to run ...

Page 84: ...f the HOME screens or INFO screens For example Manual HOME screen Manual INFO screen This will display the main menu as shown below Use the keys to move the selection bar between the available options Press SELECT to choose an option Press EXIT to return to the screen from where the MENU was called m qdos en 02 84 ...

Page 85: ...fluid the volume of fluid in the supply reservoir will reduce the bar will track the reducing volume The pump can be set up to output an alarm when a defined level of fluid is reached This will warn the operator to change the fluid supply barrel or level to ensure that the pump does not run dry When the fluid level is estimated at zero the pump will stop On selection of this function from the main...

Page 86: ...l deactivate the fluid level monitor The fluid bar will no longer appear on the HOME screens The fluid volume unit can be changed by pressing the US GALLONS or LITRES key the key name will change depending upon the unit selected To configure the level monitor select this option from the menu m qdos en 02 86 ...

Page 87: ...iner using the keys to adjust the volume Press NEXT when you are happy you have the correct volume Now use the keys to set the alert level In the screen above the alert level is set to 20 Press SELECT to return to the fluid level monitor menu m qdos en 02 87 ...

Page 88: ...xample when re filling then press SELECT when the bar highlights the Adjust level option You can now use the keys to adjust the level of fluid in the tank The accuracy of the fluid level monitor will improve with regular calibration of the pump m qdos en 02 88 ...

Page 89: ...ECURITY SETTINGS from the Main menu Auto keypad lock Press ENABLE DISABLE to switch on off the Auto keypad lock When active the keypad will lock after 20 seconds of inactivity Once locked it will display the screen below when any key is pressed To unlock the keypad press the two unlock keys together m qdos en 02 89 ...

Page 90: ...he keys in the security settings menu highlight PIN protection Press ACTIVATE DEACTIVATE to switch on off the PIN protection When active the PIN protection will request a PIN before allowing any change of operating mode settings or entry to the menu Once a correct PIN has been entered all settings can be changed PIN protection will turn back on automatically after 20 seconds of no keypad activity ...

Page 91: ...uired digit press the NEXT DIGIT key After selecting the fourth digit press ENTER Now press CONFIRM to check that the number entered is the PIN you require Press CHANGE to return to PIN entry Pressing the HOME or MODE key at any time before you confirm your PIN will abort the process m qdos en 02 91 ...

Page 92: ...is an override feature should you forget your PIN Please contact Watson Marlow for details of how to reset the PIN 21 3 General settings Manual PROFIBUS Universal and Universal only To view the general settings menu select GENERAL SETTINGS from the main menu m qdos en 02 92 ...

Page 93: ...n power returns to the operating state it was in when power was lost For example if the pump was running in manual mode prior to power loss it would return to the same operating mode and continue to run at the same speed If power is lost in the middle of a dose when the power is returned it will continue and finish the interrupted dose Any pulses that were in memory before power loss will be remem...

Page 94: ...tored in the pump This number can be re called if required from the help screen accessed from the main menu To define or edit the asset number move the selection bar over the asset number menu entry and press SELECT If an asset number has been previously defined this will be displayed on screen to allow editing otherwise the number display will be blank Use the keys to scroll through the available...

Page 95: ...ump label has been previously defined this will be displayed on screen to allow editing otherwise it will display the default label WATSON MARLOW Use the keys to scroll through the available characters for each digit The available characters are 0 9 A Z and SPACE Press NEXT to move onto the next character or PREVIOUS to move back to the last character Press FINISH to save the entry and return to t...

Page 96: ...s function is not carried out in error Press CONFIRM followed by RE CONFIRM to reset the defaults Language Select language from the general settings menu to choose an alternative display language for the pump The pump must be stopped before changing the language Use the keys to move the selection bar to your required language Press SELECT to confirm m qdos en 02 96 ...

Page 97: ...EJECT to return to the language choice screen 21 4 MODE menu Manual PROFIBUS Universal and Universal only Selecting MODE menu from the main menu will navigate you to the MODE menu This is the same as pressing the MODE key Please see Switching between modes Manual PROFIBUS Universal and Universal only on page 48 for further details m qdos en 02 97 ...

Page 98: ...ess SELECT to choose the required function Speed limit The maximum speed the qdos30 qdos60 or qdos120 pump is capable of running at is 125 rpm The maximum speed the qdos20 pump is capable of running at is 55 rpm Select Speed limit from the control settings menu to define a lower maximum speed limit for the pump Use the keys to adjust the value and press SAVE to set m qdos en 02 98 ...

Page 99: ...ur pump prior to 9 February 2017 Check your software version before using this the speed limit setting Check the software version of the main processor code by following the instructions in section 18 6 Help If the software version is less than 2 0 then do not use this setting as an intermittent fault condition can result in the pump resetting the speed limit to 125rpm when the power is turned off...

Page 100: ...volume counter from the control settings menu Select RESET to zero the volume counter The volume counter can be viewed by pressing INFO from your home screen Invert alarm logic Universal model Select invert alarm logic from the control settings menu Select ENABLE to invert the alarm output The default setting is high for healthy low for alarm It is recommended to invert the output for fail safe op...

Page 101: ...Configurable outputs Universal model Select Configure outputs from the control settings menu Output 1 and Output 2 Use and SELECT to choose which output to configure m qdos en 02 101 ...

Page 102: ...hich pump status you require for the chosen output The tick symbol indicates the current setting Use and SELECT to choose the logic state of the chosen output Press SELECT to program the output or Exit to cancel m qdos en 02 102 ...

Page 103: ...e based on the full speed range of the pump At 0 rpm the pump will output 4mA At maximum rpm the pump will output 20mA Match input scale The 4 20mA output will be scaled to the same range as the 4 20mA input If the 4 20mA input has been scaled to provide 4mA 0 rpm and 20mA 20 rpm then an input of 12mA will result in a set speed of 10rpm and an output of 12mA m qdos en 02 103 ...

Page 104: ...top input Select Configure start stop input from the menu Use and SELECT to configure the input setting A low stop input is recommended as the pump will be stopped in the event of any loss of input signal m qdos en 02 104 ...

Page 105: ...21 6 Help Manual PROFIBUS Universal and Universal only Select Help from the main menu to access the help screens m qdos en 02 105 ...

Page 106: ...definition of each error state is provided in the table below LED Icons Status 4 20mA Running Remote stop Change pumphead 4 20mA signal Power on On 4 20mA in range On On 4 20mA high On Flash 4 20mA low On Flash Remote stop On Status as above LED key Signal status Pump running Pump in standby condition Pump stopped m qdos en 02 106 ...

Page 107: ...ay the following message Manual PROFIBUS Universal and Universal models If a leak is detected the following LED icon will display Remote only Status 4 20mA Running Remote stop Change pumphead 4 20mA signal Error warning Pumphead requires changing On Follow the instructions in Pumphead Replacement qdos 30 on page 112 Pumphead Replacement qdos 20 60 and 120 on page 117 to replace your pumphead If th...

Page 108: ...isplayed Note Signal out of range and Leak detected error screens report the nature of an external condition They do not flash Error code Error condition Suggested action Er 0 FRAM write error Attempt to reset by switching power OFF ON Or seek support Er 1 FRAM corruption Attempt to reset by switching power OFF ON Or seek support Er 2 FLASH write error during drive update Attempt to reset by switc...

Page 109: ...ol signal range Trim signal as required Or seek support Er21 Over signal Reduce the analog control signal Err50 Communication error Attempt to reset by switching power OFF ON Or seek support 23 3 Error Indication Remote only If an internal error occurs depending on the error one of the following LED icons will be displayed Status 4 20mA Running Remote stop Change pumphead 4 20mA signal Error warni...

Page 110: ...24 Technical support Watson Marlow Limited Falmouth Cornwall United Kingdom TR11 4RU Telephone Number 44 0 1326 370370 Email aftersales uk wmftg com Web www wmftg com m qdos en 02 110 ...

Page 111: ...25 Drive maintenance There are no user serviceable parts inside the pump The unit should be returned to Watson Marlow for service See Information for returning pumps on page 10 m qdos en 02 111 ...

Page 112: ...scharge lines It is only possible to fit the pumphead in one orientation with the arrow pointing upwards The pumphead retaining clamps should only be unlocked or locked by hand Note In this manual we have shown removal and replacement of the left hand mounted pumphead Replacing the right hand mounted pumphead is the identical procedure Removing the pumphead 1 Drain down 2 Ensure that there is no p...

Page 113: ...e pumphead 6 Fully loosen the two pumphead retaining clamps 7 To disengage the pumphead from the retaining clamps carefully detach the pumphead from the pump housing and rotate it in an anti clockwise direction by approximately 15 m qdos en 02 113 ...

Page 114: ...umphead is a reverse procedure of the pumphead removal 1 Remove the new pumphead from its packaging 2 Align the new pumphead with the pump drive shaft and slide into position on the pump housing 3 Rotate the pumphead in a clockwise direction by approximately 15 to engage the retaining clamps 4 Tighten the retaining simultaneously clamps to secure the pumphead into position 5 Connect the input and ...

Page 115: ...junction to the text when connecting interface tubing to the pumphead Before connecting the interface tubing ensure that the supplied Santoprene seals 1 are correctly fitted in the head ports 1a and that the Santoprene seals and connector material is compatible with pumped fluid Hydraulic connector pack polypropylene barb threaded fittings Hydraulic connector pack PVDF barb threaded fittings Hydra...

Page 116: ...detach both the relevant parts 4 2 Cut the end of the tubing so that it is square 4a and 4b not 4e 3 Slide the user connection collar onto the tube 4 Slide the compression ring onto the tube ensuring the inner step is facing the cut end See 4a and 4b in the diagram on the following page for correct orientation not 4c or 4d 5 Press the tube onto the cone until it reaches the back face 4a and 4b not...

Page 117: ...or discharge lines It is only possible to fit the pumphead in one orientation with the arrow pointing upwards The pumphead retaining latch should only be unlocked or locked by hand Note In this manual we have shown removal and replacement of the left hand mounted pumphead Replacing the right hand mounted pumphead is the identical procedure Removing the pumphead 1 Drain down 2 Ensure that there is ...

Page 118: ... lever 7 To disengage the pumphead from the drive rotate it in a clockwise direction by approximately 15 8 Safely dispose of the used pumphead according to your own health and safety regulations Take care to comply with any safety requirements of the chemical being pumped m qdos en 02 118 ...

Page 119: ...pumphead in an anti clockwise direction by approximately 15 to engage the retaining lugs 4 Lock the pumphead into position using the pumphead locking latch 5 Connect the input and output connections to the pumphead 6 Apply mains power to the pump press start and run the pumphead for a few revolutions 7 Stop the pump and isolate it from the mains power supply then recheck the retaining lever is sti...

Page 120: ...e seals 1 are correctly fitted in the head ports 1a and that the Santoprene seals and connector material is compatible with pumped fluid Hydraulic connector pack polypropylene barb threaded fittings Hydraulic connector pack PVDF barb threaded fittings Hydraulic connector pack polypropylene compression fittings Note Hydraulic connector packs are optional accessories See Spares and accessories on pa...

Page 121: ...f the tubing so that it is square 4a and 4b not 4e 3 Slide the user connection collar onto the tube 4 Slide the compression ring onto the tube ensuring the inner step is facing the cut end See 4a and 4b in the diagram on the following page for correct orientation not 4c or 4d 5 Press the tube onto the cone until it reaches the back face 4a and 4b not 4f it may be necessary to widen the end of the ...

Page 122: ...M24x2mm 5 x 8 6 3 x 11 5 9 x 12 5 x 8 6 3 x 11 5 9 x 12 10 x 16 10 x 16 SAFETY OVERFLOW m qdos en 02 122 ...

Page 123: ...a C Swiss D India South Africa B Brazil Tube material 2 Santoprene 8 SEBS The pumphead side location is required when ordering The left right perspective assumes the user is looking at the front of the pump The pump in the dimensions diagram is considered a pumphead located to the left Left hand mounted pumphead Important note The ReNu pumphead contains lubricant It is the user s responsibility to...

Page 124: ...nnection pack polypropylene compression fittings 0M9 221H P01 Hydraulic connection pack polypropylene barb threaded fittings 1 4 hose barb 3 8 hose barb 1 4 BSP 1 4 NPT 0M9 221H P02 Hydraulic connection pack PVDF barb threaded fittings 1 4 hose barb 3 8 hose barb 1 4 BSP 1 4 NPT 0M9 221H F02 Hydraulic connection pack polypropylene threaded fittings 1 2 BSP 0M9 401H P03 Hydraulic connection pack po...

Page 125: ...1H F04 Hydraulic connection pack PVDF 1 2 hose barb 0M9 401H F05 P V C Interface tubing pvc 6 3x11 5mm 2m 6 5ft length 0M9 2222 V6B P V C Interface tubing pvc 10x16mm 2m 6 5ft length 0M9 2222 VAD P V C Interface tubing pvc 6 3x11 5mm 5m 16ft length 0M9 2225 V6B P V C Interface tubing pvc 10x16mm 5m 16ft length 0M9 2225 VAD P o l y e t h y l e n e Interface tubing polyethylene 9x12mm 2m 6 5ft lengt...

Page 126: ...t length 0M9 2225 E9C P o l y e t h y l e n e Interface tubing polyethylene 5x8mm 5m 16ft length 0M9 2225 E58 Replacement baseplate 0M9 223M X00 Input lead M12 IP66 3m 10ft length 0M9 203X 000 Output lead M12 IP66 3m 10ft length 0M9 203Y 000 HMI protective cover 0M9 203U 000 Hydraulic spares kit Viton O rings connection collars SK 9001 SK 9001 Wall bracket 0M9 004M S00 m qdos en 02 126 ...

Page 127: ...sures of up to 10 bar 145 psi however flowrate and pumphead life will be affected 29 3 Dry running The pump will continue to operate when there is gas present in the suction line and will maintain prime in these conditions The pump can be run dry however flow rate and pumphead life will be affected 29 4 Pumphead life Application factors that influence pumphead life are pump speed chemical compatib...

Page 128: ...18 20 22 24 26 28 30 32 400 600 800 1000 1200 1400 1600 1800 2000 2200 15 10 5 0 0 20 40 60 80 100 34 Flowrate ml min 1 Flowrate US GPH Suction gauge pressure bar Discharge gauge pressure bar Santoprene or SEBS tubing Santoprene tubing Santoprene or SEBS tubing SEBS tubing Santoprene tubing only Santoprene tubing only Suction gauge pressure psi Discharge gauge pressure psi m qdos en 02 128 ...

Page 129: ...30 Trademarks Watson Marlow qdos qdos20 qdos30 qdos60 qdos120 and ReNu are trademarks of Watson Marlow Limited m qdos en 02 129 ...

Page 130: ...31 Publication history m qdos en 02 Watson Marlow qdos 20 30 60 and 120 User Manual First published 09 2018 m qdos en 02 130 ...

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