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RC version – external drive 

SIMDOS diaphragm metering pump 

 

 

KNF Flodos BA_SIMDOS_EN_02_160044.docx 

34 

Translation of original operating manual

 

8.3.  Digital input 2, Reset/Prime/Pedal switch 

Digital input 2 can be used for an externally activated error reset or 
fluid system priming operation. 

The option Level and Impulse have the same function as the 
„Digital Input 1“which is mainly for use with the footswitch 
# 155872. 

 

Control signals 

Input 

Meaning 

Signal 

Off 

Digital input 2 not active 

- - 

Reset 

Reset of pump errors and 
cancel metering with time 
counter 

< 0.8 V = Reset 

Priming 

Rapid priming of pump 
head and lines (see section 
7.12) 

< 0.8 V = Prime 

Combined 

Reset of pump errors and 
cancel metering with time 
counter, then prime  

< 0.8 V reset for 
falling signal edge 
Prime after 1 
second < 0.8 V 

Level 

Start/Stop according to 
signal level 

< 0.8 V = On 
> 2.0 V = Off 

Pulse 

Start/Stop on signal pulse 

< 0.8 V = On 
> 2.0 V = Off 

 

Tab. 21: Digital input 2 options 

 

Digital input 2, Reset 

The “Reset” setting activates the following functions on application 
of a signal to digital input 2: 

  Interrupt a metering process 

  Reset pump errors 

  Deletion of an active Master Stop (see section 7.7), pump is 

now in “Pause” operation condition, and responds to external 
control signals. 

Digital input 2, Prime 

The “Prime” setting activates the following functions on application 
of a signal to digital input 2: 

  Interrupt a metering process 

  Reset pump errors 

  Pump runs in high-speed “Prime” mode for the duration of the 

signal.  

  Deletion of an active Master Stop (see section 7.7), pump is 

now in “Pause” operation condition, and responds to external 
control signals. 

System 

 

 

 

Fig. 53: Digital input 2 

Reset 

Priming 

Summary of Contents for SIMDOS FEM 1.10KT.18S

Page 1: ...comply with all instructions in this operating and installation manual An additional letter before the FEM model code is a country specific designation with no technical relevance KNF FLODOS AG Wassermatte 2 6210 Sursee Switzerland Tel 41 0 41 925 00 25 Fax 41 0 41 925 00 35 www knf flodos ch info knf flodos ch FEM 1 10 KT 18 S 18 1 10 FEM UFEM S RC PMLxxxx PLxxxx Chapt 1 KT TT FT Chapt 4 ...

Page 2: ...Assembly 14 6 2 Electrical connection 14 6 3 External drive RC version 15 6 4 Hydraulic connection 16 6 5 Shutdown 18 6 6 Transport and interim storage 18 7 Operation 18 7 1 Initial start up 18 7 2 Operating controls 19 7 3 Main display 19 7 4 Switching the pump on and off 20 7 5 Starting the pump 21 7 6 Interrupting a pumping operation 21 7 7 Stopping the pumping operation 21 7 8 Entering setting...

Page 3: ...d flags Warning symbol WARNING Warning regarding a potential danger Possible consequences of failure to comply with the warning The word used e g warning indicates the level of danger present Precautions required to prevent the danger and its consequences Levels of danger Word Meaning Consequences of non compliance DANGER Warning of an imminent danger Death or serious injury or major damage to pro...

Page 4: ...ith the pumped medium Before starting to pump check that the medium can be pumped safely in this specific situation The temperature of the medium must be within the permitted temperature range see Chapter 4 The pumping medium must not contain any solids since these could impair the pump s operation If the presence of solids cannot be prevented a filter of 50 µm and with a sufficient filter area mu...

Page 5: ...rsonnel have read and understood this operating and installation manual particularly the chapter on safety Accident prevention and safety rules must be observed at all times while working on or using the pump When pumping a hazardous medium always observe the safety rules for the medium in question Always comply with instruction signs placed on the pump such as flow direction arrows and the type p...

Page 6: ...the following directives the EC machinery directive 2006 42 EC safety provisions of the EC low voltage directive 2006 95 EC and the EC directive on electromagnetic compatibility 2004 108 EC The following harmonised standards are met EN 61010 1 EN 61326 1 All repairs to the pump must be carried out solely by the accredited KNF customer service entity Use only KNF original parts for all maintenance ...

Page 7: ...aphragm PTFE coated Housing PP Tab 4 FT 1 according to DIN ISO 1629 and 1043 1 4 2 Hydraulic ratings Parameter Value Flow rate ml min 1 2 1 100 Max metering volume ml 1 1 000 Metering time mm ss hh mm 1s 99h59min Flow rate scale range 1 100 Accuracy 3 2 Reproducibility 3 1 Permitted pressure bar above atmospheric 6 Suction head m water column 3 Permitted medium viscosity cSt 4 150 Tab 5 Hydraulic ...

Page 8: ...tter than 1 Greater inaccuracies may occur for fluids with a viscosity of 150 cSt or with a tendency to gassing out Appropriate adjustments may be made during calibration The metering pump has been calibrated to its nominal flow rate in the factory The specified flow rate is for water at 20 C with free discharge flow The flow rate may differ from the calibrated value for some applications accordin...

Page 9: ...rent consumption DC RMS 24 V A 0 4 Max short term peak current A 1 7 Power supply protection Electronic overload protection Pump protection Electronic overload protection Pump protection type IP 65 Power supply protection type IP 40 Tab 8 Electrical data 4 6 Other parameters Parameter Value Permitted ambient temperature 5 to 40 C Permitted medium temperature 5 to 80 C Rated speed 200 rpm Service l...

Page 10: ...c strength V TTL 24 V DC Low level ON 0 8 V low High level OFF 2 0 V high Digital output Electric strength open collector V TTL 24 V DC Load capability open collector V TTL 10 mA Tab 10 External drive 1 Analogue input brown 2 Digital input 1 white 3 Digital input 2 blue 4 Open collector output black 5 Ground grey Fig 1 RC cable pins Pin No Wire colour Description Function 1 Brown Analogue input 0 ...

Page 11: ...p and down by the eccentric 5 and the connecting rod 6 During the down stroke the diaphragm sucks in the medium through the inlet valve 2 During the up stroke it forces medium out of the pump head through the exhaust valve 1 The diaphragm hermetically seals off the working chamber 3 from the pump drive 7 SIMDOS diaphragm metering pumps are fitted with a patented drive system The suction stroke is ...

Page 12: ...apted to the medium by setting the appropriate fluid type see section 7 13 5 3 Metering pump functions Operating modes In this case the device pumps at a constant flow rate Fig 5 Continuous pumping In this case the device pumps at a constant flow rate then switches off after a specified time Fig 6 Continuous pumping with timeout Pumping of a specified volume in a specified time Fig 7 Metered volum...

Page 13: ...enu System menu 7 Return to main menu 8 Selecting operating menu language 9 Analogue input 0 to 100 flow rate 0 10 V 0 20 mA 4 20 mA 10 Digital input 1 Start stop with level or pulse signal via logic input 11 Digital input 2 Reset or high speed via logic input 12 Digital output User selection of logic signal type Error alarm Motor turns level End of metering volume Motor pulses Volume pulses one p...

Page 14: ...nting measurements measurement tolerances as per DIN ISO 2768 1 tolerance class V Ensure that the installation location is dry and protected from water in the form of rain spray splashes and drips Select a level surface that will provide a firm base for the pump When choosing the location ensure that the hose connections can be fitted without strain on the hoses Do not pull on the hoses and avoid ...

Page 15: ...connection The pump must be connected only to a correctly installed and properly earthed mains socket Ensure that the mains plug is protected from water splashes CAUTION Safety note Always remove the mains plug from the socket before carrying out any work on the pump 6 3 External drive RC version 1 Fit an appropriate plug on the external drive cable RC cable for the control unit to be used For pin...

Page 16: ... should be kept as short as possible to reduce the priming time Clamp ring hose connection fitting FEM 1 10KT FEM 1 10TT UFEM 1 10KT UFEM 1 10TT 1 Hose 2 Union nut 3 Clamp ring 4 Connector Fig 12 4 6 hose clamp ring connection fitting FEM 1 8 1 4 hose clamp ring connection fitting UFEM 1 Remove protective covers from the connections 2 With a sharp knife cut the suction and pressure lines FEM hose ...

Page 17: ... excessive torque to the threaded socket This could damage the thread 3 Using a sharp knife cut the suction and pressure lines FEM hose with i d 4 mm o d 6 mm UFEM hose with i d 1 8 o d 1 4 to the required length with straight square edges 4 Push the union nut 4 cutting ring 5 and sealing ring 6 onto the hose 1 Push the cutting ring and sealing ring over the hose only far enough for the hose end t...

Page 18: ...ll withstand unfavourable transport conditions Use the original packaging 7 Operation 7 1 Initial start up Before switching on the pump check the following points Prerequisites for start up All hoses must be correctly attached Specifications of the power supply must correspond with the data on the pump type plate and the mains plug The pump outlet must be clear of any obstruction All cables must b...

Page 19: ...the pump to block flow in the pumping direction On the application of any higher pressures than this the pump will allow the fluid to pass through in the pumping direction This can be prevented by using a suitable check pressure valve on the outlet side of the pump e g Pressure Control Valve FDV30 from KNF Flodos 7 2 Operating controls 1 STOP button 2 START button 3 Display 4 Control knob Fig 15 O...

Page 20: ...ed 10 7 4 Switching the pump on and off The default setting is for the pump to remain off when the mains power supply is switched on Switch on Briefly press the STOP button the pump will switch on The display lights up and the pump is ready for use Switch off Hold the STOP button down for at least 2 seconds The pump will now switch off completely Standby When the pump is stopped after ten minutes ...

Page 21: ...topping the pumping operation Press the STOP button The pumping operation is interrupted The pause symbol will appear in the display Press the STOP button again The pump will now switch to Stop condition and reset the time counter and volumeter The first time the user presses the STOP button puts the working pump into Pause condition The pump goes into Stop condition only when the STOP button is p...

Page 22: ...f the display are enclosed in a frame and can now be selected with the control knob Fig 23 Select the framed lines by pressing the control knob The selected settings are marked with an inverted display Now turn the control knob to change the value as required Fig 24 Inverted display of editable values Press on the control knob to confirm your input and move to the next value in the same line if an...

Page 23: ...t the top of the operating menu Press the STOP button this ends the input operation and the display switches back to the main display The pump will stop when this operation is carried out Press the START button this ends the input operation and the display switches back to the main display The pump starts when this operation is carried out After a period of 10 seconds with no settings entered the ...

Page 24: ... shortest possible time with the maximum flow rate 7 11 Timeout with time counter Use the time counter to terminate flow after the time shown on the counter The metering operation is automatically calculated so that the required metering volume will have been reached on expiry of the time entered on the time counter Input Meaning Setting range min sec Timeout not active mm min ss sec Timeout activ...

Page 25: ... enter the selection menu The letter at the right end of the line identifies the currently active characteristic curve The following settings are available for selection Standard Symbol S This is the optimum setting for all media with a viscosity similar to that of water A uniform flow characteristic curve is obtained with short suction times and appropriate linearisation Degassing Symbol D This i...

Page 26: ...t is properly calibrated Calibration eliminates any variances caused by supply lines back pressure and viscosity The calibration function uses the specified flow setting as the target value This means the pump can always be calibrated for the current operating point To calibrate the pump 1 Take an accurate measurement of the flow rate or metering volume 2 Use the control knob to make the required ...

Page 27: ...utton this ends the input operation and the display switches back to the main display The pump will stop when this operation is carried out Press the START button this ends the input operation and the display switches back to the main display The pump starts when this operation is carried out Wait for 10 seconds without entering any inputs This ends the input operation and the pump switches back t...

Page 28: ...g 43 CAUTION If Autostart is on the pump will start operating as soon as the power supply is switched on There is a potential risk of injuries or damage to equipment from media spillages if the pump is activated without warning Activate the Autostart option only when equipment is ready for use Clearly identify the fact that the Autostart option for the pump has been activated Before start up check...

Page 29: ...p to its factory settings Input Meaning No No reset Yes Pump is reset to its factory settings Code No function Tab 16 Reset The reset function will restore the following settings Value Setting factory setting Flow rate ml min 10 0 Unit ml min Time counter Off min sec Fluid type Standard Calibration 100 Language English Analogue input Off Digital input 1 Off Digital input 2 Off Digital output Alarm...

Page 30: ...externally specify a pump flow rate from 1 to 100 When the analogue input is active the pump can be started only if a valid analogue signal is present The analogue input can be activated only if the pump has been set to ml min The time counter is deactivated Manual time counter inputs are blocked Manual flow metering volume inputs are blocked Control signals Input Meaning Signal Off Analogue input...

Page 31: ...l to below off threshold the pump stops and goes into Pause condition After the pump has been stopped there is a pause time of 0 2 seconds before it can be restarted Stopping the pump with the STOP button is called a master stop The pump can then only be restarted manually see section 7 7 Master Stop is activated on the pump when supplied For initial start up with external drive it is therefore es...

Page 32: ...the pump has been stopped there is a pause time of 0 2 seconds before it can be restarted No pulses with a pulse duration of less than 0 1 seconds may be used The use of debounced switches is recommended START STOP in Pump ml min without timeout condition 1 Set digital input 1 In_1 to Level 2 Press START the pump goes into Pause condition 3 Apply signal 1 The pump will start to operate if the leve...

Page 33: ...s input functions only for starting the pump To stop the pump use digital input 2 Reset see section 7 20 Fig 51 Start ml min with time counter level control 1 Set digital input 1 In_1 to Pulse 2 Press START the pump goes into Pause condition 3 Apply signal 1 The pump will start to operate when a pulse to ground is generated and stop when the set time has expired Fig 52 Start ml min with time count...

Page 34: ... 8 V reset for falling signal edge Prime after 1 second 0 8 V Level Start Stop according to signal level 0 8 V On 2 0 V Off Pulse Start Stop on signal pulse 0 8 V On 2 0 V Off Tab 21 Digital input 2 options Digital input 2 Reset The Reset setting activates the following functions on application of a signal to digital input 2 Interrupt a metering process Reset pump errors Deletion of an active Mast...

Page 35: ...n condition and responds to external control signals Fig 54 Combined function sequence START STOP with footswitch via Level 4 Adjust Digital Input 2 In_2 to Level 5 Connect the footswitch to the pump 6 Press the START button pump changes status to Pause As long as the footswitch is pressed the pump will run When the Timer is switched on the pump will complete an entire dosing cycle START STOP with...

Page 36: ... of messages to the control system The output is an open collector output see section 4 6 Output signals Input Meaning Signal Alarm Pump error signal Level Motor Signal when pump motor running Level Vol End Signal when volume metering ends Level Mot Pul 10 pulses per revolution of the pump motor Pulse Vol Pul One pulse per 100 µl of pumped fluid Pulse Tab 22 Digital output options System Fig 55 Di...

Page 37: ...ter accessory Change if soiled Tab 23 Maintenance plan 9 2 Cleaning Flushing the pump When pumping aggressive media KNF recommends flushing the pump with a neutral fluid under atmospheric conditions for a few minutes before switching off to extend the service life of valves and diaphragm Cleaning the pump Wipe the outside of the pump with a soft dry cloth Ensure that any cleaning solvents used wil...

Page 38: ...l 1 Phillips screwdriver No 1 1 Spare parts kit see Chapter 11 Tab 24 Tools materials Always replace valve disks valve seats and seals at the same time to maintain satisfactory flow rate performance WARNING Health risk from hazardous substances in the pump Some pumped media involve the possibility of corrosion damage or intoxication Use protective equipment if necessary e g protective gloves goggl...

Page 39: ...ng the pump head 1 Rinse connecting plate 3 and spacer plate 8 and wipe with a soft cloth Blow dry Take care not to damage the sealing grooves on the spacer plate 8 at the side of the diaphragm chamber Do not use any abrasive agents In PTFE pumps FEM 1 10 FT UFEM 1 10 FT the valve seat is combined with the connecting plate and spacer plate Do not use any hard materials for cleaning rubbing or brus...

Page 40: ...eaded bolt of the diaphragm and put aside in a safe place 3 Inspect all parts for soiling and clean if necessary 4 Push the support 11 and shim ring 10 in that order onto the threaded bolt of the new pump diaphragm 12 5 Move up the connecting rod 9 as far as it will go 6 Screw the pump diaphragm 12 with support 11 and shim ring 10 clockwise onto the connecting rod 9 and hand tighten Ensure that th...

Page 41: ...lve disks are correctly positioned 3 Place the assembled valve seats 5 to fit snugly into the connecting plate 3 Jammed valve seats may cause the valve to malfunction Meticulous care is required for this assembly step 4 Join the connecting plate 3 with the spacer plate 8 place the cover plate 2 in position over them and insert the four head bolts 1 in the threaded holes 5 Push the assembled compon...

Page 42: ... a neutral fluid and then pump empty Inspect the pump see Tab 25 and 26 Pump not working Possible cause Corrective action Pump not connected to mains power supply Connect pump to mains supply No mains supply Check room fuse and switch on if necessary Connections or lines obstructed Check connections and lines Remove obstructions External valve closed or filter blocked Check external valves and fil...

Page 43: ...ines or pump head Eliminate leaks Connections or lines completely or partially obstructed Check connections and lines Remove any parts or particles causing blockages Soiled pump head components Clean head components Worn diaphragm or valve plates seals Replace diaphragm and valve plates seals see section 9 3 Materials chemically damaged by pumped media Select suitable resistant material type see s...

Page 44: ...d UFEM 160191 SIMDOS spare parts kit FT head UFEM 160632 Tab 27 Spare parts 11 2 Accessories Hoses Order No Hose DN 4 6 PA 019490 Hose DN 4 6 PE 019491 Hose DN 4 6 PTFE 019241 Hose DN 4 6 silicone 019238 Tab 28 Accessories Connection nipple Order No INTERNAL THREAD FITTING G NPT1 8 4 6 PFA 151977 INTERNAL THREAD FITTING G NPT1 8 1 8 1 4 PFA 160116 INTERNAL THREAD FITTING G UNF1 4 28 1 8 1 4 PP 157...

Page 45: ...pump carried out by KNF Take a copy of this page Enter the pump model serial No and details of pumped media in the form below sign and return to KNF customer services with the flushed and cleaned pump see address on last page Customer s decontamination statement for repair order We hereby confirm that the pump has been used for the following media and that it has been properly flushed and cleaned ...

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