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milliGAT® Pump Manual

1. 6 6 FloZF demo mode software P N FLOZF DEMO FIOZF is a device control and data acquisition package developed by Global FIA A free demo version of this software which you can download from the Global FIA web site allows control of the milliGAT pump and certain Valco valves 7 Spare parts list Table 13 Spare parts list Part No Description ZNiFPK 10 Zero dead volume finger tight fitting with 10 32 thread 10 pack ZF1PK 10 Zero dead volume ferrule 10 pack A 1032 640 Zero dead volume 10 32 to 6 40 adapter 640FF 32 Zero dead volume finger tight fitting with 6 40 thread for 1 32 OD tubing FF 16W 14 28 nut and ferrule for 1 1 1 6mm OD tubing FF 8B Y 28 nut and ferrule for t 3 3 5mm OD tubing SER 232 RS 232 cable 9 pin D shell to 10 pin ribbon connector SER P n Party mode serial cable with n slave controllers ML 4 MicroLynx controller PS 2450 24 VDC power supply 1 23688 Pump motor cable RAD Right angle drive PRV 100 Pressure relief valve 100 psi PRV 40 Pressure relief valve 40 psi 8 Technical Support All technical support for this product is handled by the Global FIA Inc facility on Fox Island WA or through your local distributor 253 549 2223 Telephone 253 549 2283 Fax info GlobalFIA com Email http www globalfia com software html User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 31 9 Returning pumps
2. the command If commands appear not to be getting through press Ctrl J to set all controllers to receive mode again You can configure CR to send CR LF in most terminal emulation packages Then when you press Enter a CR and LF Ctrl J will be sent Each drive has to be assigned a unique Device Name DN The factory default address is A Connect to one MDrive at a time and set the following drive variables 1 Once you have established communication type ADN a lt CR gt where a is the device name the device name can be an alphabetic character A Z Addresses are case sensitive Once named the device name must precede the instruction to that drive User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 19 2 Type aS lt CR gt to save the address to non volatile memory 3 Once all devices have been configured then connect them as indicated in Figure 11 When in party mode there is no sign on message Some embedded programs may display device addresses at startup 3 3 6 Pump commands for the MDrive controller Once serial communication has been established between the computer and the MDrive simply type the commands from the terminal program or the Terminal window of IMS Terminal or issue them from your custom software to activate the pump Appendix C MDrive and MForce commands provides a list of selected MDrive commands Further details on the MDrive controller can be fo
3. Ex FL Description Execute the pump move Min Max Units Example EX FL vs Description Set the desired volume in psteps Min Max Units Example VS 1216 1 10 usteps Description Execute the pump move for volume in psteps Min Max Units Ex FS Example EX FL 3 3 7 Pump units The default units for the pump when the MDrive controller is used are psteps The conversion factor between volumetric units and pusteps is given by the controller variable EU The value of EU can be determined using the equation for MUNIT on page 38 EU MUNIT 3 4 Pumps with MForce controller MG 5 MG 5E 3 4 1 Mounting These pumps have a standalone controller The mounting points for the pump and controller are given in Figure 13 for the device without external encoder If the motor is equipped with an external encoder the motor and gearbox will be g 16 mm longer Switch inlet and outlet ports if flow direction is reversed User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 21 milliGAT Pump 1 5 in 8 32 Thread iA 2X IL E 1 66 in lin hi 3 823 in 2 06 in 0 95 in L 7 516 in 2X 0 150 2x 3 81 NA 0 201 5 11 Figure 13 Mounting points and external
4. Weak detergent wash We have found Micro 90 to be a good general purpose detergent http www coleparmer com Catalog product_index asp cls 504 User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 26 2 Weak acid and base wash pump 5 mL of 0 1N NaOH followed by 5 mL of water followed by 5 mL of 0 1N HCI followed by 10 mL of water 3 Weak bleach wash pump 5 mL of a 10 beach solution followed by 10 mL of water The pump is not amenable to autoclaving High temperatures compromise pump seals Chemical cleaning procedures should be employed to ensure sterility 4 2 Troubleshooting 4 2 1 Pump leaks The most frequent cause of leaks is over pressurization of the pump The maximum pressure capability of the pump is 100 psi approx 7 bar If this pressure is exceed by pumping against a dead head or blockage or by using a high flow rate in very narrow bore tubing then the rotor moves away from the stator and fluid leaks into the pump internals There are three leak ports on the pump One is in the stator and the other two are in the side of the pump housing If fluid leaks into the pumps internals eventually it will leak from one of the leak ports If this occurs it is important to flush out the pump internals through the leak port with distilled water and isopropyl alcohol This is particular important if the leak fluid is corrosive or has a high dissolved solids content In mos
5. interface but then communicates with other devices via the RS 485 interface In his mode the MicroLynx must be configured as the host HOST 1 and the two serial ports on the MicroLynx must be configured for half duplex communication Echo 1 1 and Echo 2 1 Where this communication layout is required the following connection table pertains Table 16 RS 232 RS 485 pin outs 9 pin Female MicroLynx MicroLynx D Shell 10 pin header 7 pin Phoenix 2 RX 3 TX 5 Gnd User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 36 PIN 1 VPULLUP PIN 2 VO LINE 21 PIN 3 VO LINE 22 PIN 4 VO LINE 23 PIN 5 VO LINE 24 PIN 6 VO LINE 25 PIN 7 VO LINE 26 PIN 8 VO Ground Isolated N C PIN 1 PIN 2 RS 232 TX RS 232 RX PIN 3 PN 4 N C Communications Ground PIN 5 PIN 6 RS 485 RX RS 485 RX PIN 7 PIN 8 RS 485 TX RS 485 TX PING PIN 10 Communications Ground MOTOR PHASE A MOTOR PHASE A MOTOR PHASE 8 MOTOR PHASE 5 POWER SUPPLY INPUT o POWER SUPPLY RETURN GND Figure 17 Pin outs on MicroLynx 11 2 Stepper motor wiring The stepper motor used is a bipolar motor with four leads This motor is wired as indicated in Table 17 Table 17 Motor wiring Wire Color Phase A Phase Bar A Phase B Phase Bar B 11 3 Default values for controller variables The factory default parameters that may be changed by the user are listed in the following table
6. 6 3 TOS WITCH BING JOS ennnen niire a E EE E EE naa tee tea ETSER ver TE E E 30 6 4 USB TO RS 422 485 CONVERTER P N USpBANa 30 D RS 232 TO RS 485 CONVERTER P N SER A8SI 30 6 6 FLOZF DEMO MODE SOFTWARE P N FLOZE DEMO 30 7 SPARE PARTS LIS EE 30 TECHNICAL SUPPORT ascii cccsscsescosndosscesvdsessssedssscovsdsessvedocdcsvsdsescosubessdovsdsescsbodocdcsusdiescosebesessesusdevebsees 30 9 RETURNING PUMPS TO GLOBAL FIA eeeeeeesesesceescceccceeseeceeeeceeeeceeeceeeeeeceeeceeceeeceeeeeecceceeececececceceeeee 31 10 OPERATIONAL AND TECHNICAL SPECIFICATIONS ccccccsssssssssssssssssssessseseseeseeseeeeeseeseeeseeeees 31 11 APPENDIX A TECHNICAL DETAILS oossosseeeeeessssooeeeeesssssooeeeeesssoooeeeeessseosereeessseooeeeeeesesoooeeeeessesseeeee 35 11 1 EI UE ON EE AA EE ER 11 2 STEPPER MOTOR WIRING xsicsc6sesescusnsdesuvsceitesubusacs conve lube vous Eed EE geed EE 36 11 3 DEFAULT VALUES FOR CONTROLLER VARIABLES cccccccccessseseecccceecusseecccceeeeusseceeccceeesuaasseeeeceessuaaneeeeeees 36 11 4 CALCULATING MUNIT FOR DIFFERENT MSEL vatLutEs 37 11 5 BACK ASA CORRECTION WEE 38 11 6 EMBEDDED PROGRAMS 3 zed ee Mace tech deeg ee eebe gek Rete 39 11 7 UPGRADING THE FIRM EE 39 12 APPENDIX B MICROLYNX COMMANDS ccccssssssssssssssssssssesessseeseeseeeseseeeeeeeeeeeeseeeeeeceeeeeseeseeeeeees 41 13 APPENDIX C MDRIVE AND MFORCE COMMANDG ccccsssssssssssesssssssesssesseeeseseseeseeeeceeeeeeeseeeees 4
7. 9600 baud no parity 8 data bits 1 stop bit and with no hardware or software flow control Power up the pump An identifying string should be displayed on the screen or the resident program if there is one will commence If not power down the pump Ensure that all cables are properly connected and that the communication settings are correct Power the pump up again You can also type PRINT VER lt CR gt where lt CR gt is the enter key and the controller should reply with the firmware version Serial communications with multiple slave devices using a RS 232 to RS 485 converter Using an RS 232 connection set the following system variables on each of the slave devices before changing the address HOST 0 ECHO 2 0 for full duplex 4 wire RS 485 communication or HOST 0 ECHO 2 1 for half duplex 2 wire RS 485 communication Set up the addresses on each slave device Connect cables as shown in Figure 6 Follow steps 2 through 4 in 3 2 4 Precede each command with the address of the device addresses are case sensitive and end each command with Ctrl J Communicating with multiple MicroLynx controllers with one MicroLynx as host This mode of operation is also called Party mode 1 Using an RS 232 connection to only the first MicroLynx set the following system variables before changing the address on the device HOST 1 ECHO 2 0 for full duplex 4 wire RS 485 communication or HOST 1 ECHO 2 1 for half duplex 2 wire RS 48
8. SEC Description Sets the flow rate for pump commands Min Max Units VM Example AVM 23104 100 231040 usteps Sec Description Pumps the specified volume pump direction is Min Max Units MR determined by the sign Example AMR 2310400 10 2x10 steps SL Description Stops pump movement Min Max Units Example ASL 0 Commands assume a module address of A Table 11 provides a few examples with descriptions given in the first column and the required commands given in the second column For this example the MForce controller is configured with an address of A Table 11 Sample commands for the MForce Controller Command Aspirate 10 uL at 2uL sec AMR 231040 AMR 2310400 Pump continuously at 20nL sec ASL 462 Stop the pump ASL O Re establish pump factory settings AEX IZ Save all present settings to non volatile RAM Each command is sent to the controller by pressing the Enter key lt CR gt The software should be configured to send lt CR gt lt LF gt when Enter is pressed The MDrive does not have built in backlash correction A small program has been installed on the MDrive which compensates for backlash Backlash comes into play when you change pump direction There are small tolerances in the drive train and gear box that must be taken up before the pump actually starts to move So when the direction of flow changes a small volume equal to the backlash must be added to the desired dispens
9. apply power to the power supply after all connections have been made Failure to do so may destroy the controller Take precautions to avoid static discharges to the controller The MDrive controller is equipped with an RS 485 also called RS 422 port for communication Figure 10 shows how to make a serial connection to the MDrive A USB to RS 422 485 or RS 232 to RS 422 485 converter is available for computers that do not have the correct ports Part numbers are listed in 6 The mating plug for this connector on the controller is Amp 1 111623 8 User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 17 Pin 1 TX Pin 2 TX z m es SS A RS 422 a Pin 3 RX erial Pot S Converter TX VE Drawing Oriented OO to Motor Shaft n o o P2 Pin 10 GND Figure 10 MDrive cabling diagram with RS 422 485 connection MDrivePlus Motion Control 1 DN A RS 422 Converter Serial or MDrivePlus Motion Control 2 USB Port N On Host PC CT A H Rr ERMINATOR ERMINATOR Note 120 Q Termination Resistors in series with 0 1uf ceramic capacitors are recommended at both ends of the Recieve Data Lines when cable length exceeds 15 feet Figure 11 MDrive cable diagram for multiple devices Figure 11 shows how multiple devices can be controlled from a single serial port Each device requires a unique address or Dev
10. are NO user serviceable parts inside the pump Opening the pump by removing or even loosening the hex bolts that hold the pump together will void the pump s Limited Warranty To obtain optimum performance and maximum life from the milliGAT pump it is important to follow the recommended cleaning and maintenance instructions 4 1 1 Routine maintenance e Flush the pump thoroughly with distilled or de ionized water after each use Store the pump dry e Avoid running the pump dry for extended periods The pump is self priming and will dispel entrapped bubbles when orientated vertically e Inspect the pump for leaks and correct any problems immediately Liquid entering the motor housing could damage the motor and gear assembly The pump is equipped with a leak port Leakage from this port indicates excessive back pressure and unreliable pumping action e Wipe up all spills on and around the pump immediately If fluid is seen coming from the leak port flush the internals of the pump through the leak port with distilled water and then isopropyl alcohol IPA and allow it to dry before further use e If the flow manifold is such that leaks through the leak port are frequent then it is a good idea to incorporate a pressure relief valve Part No PRV 100 downstream of the pump to allow over pressure situations to leak safely to waste 4 1 2 Routine cleaning The pump fluid path can be cleaned with one of the following cleaning solutions 1
11. before the pump actually starts to move So when the direction of flow changes a small volume equal to the backlash must be added to the desired dispense volume The embedded program takes care of this but you must use a different command set to aspirate or dispense a particular volume VL specifies the volume in uL to pump EX FL runs the embedded program that completes the move with backlash compensation where appropriate Table 7 provides the commands to use if you need backlash compensation Table 6 provides a few examples with descriptions given in the first column and the required commands given in the second column Pressing the ESC key will also halt a pump action User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 20 Table 6 Sample commands for the MDrive 17 Description Command Aspirate 10 uL at 5uL sec AVM 5 EU AMR 10 EU Dispense 1000pL at 100uL sec AVM 100 EU AMR 1000 EU Pump continuously at 50yL sec ASL 50 EU Stop the pump ASL 0 Re establish pump factory settings AEX IZ Save all present settings to non volatile RAM AS Each command is sent to the controller by pressing the Ctrl J For this example the MDrive was configured with a device name of A Table 7 Pump commands for the MDrive 17 with backlash compensation VL Description Set the desired volume to aspirate or dispense Min Max Units Example VL 25 1 10 uL
12. dimensions for milliGAT with MForce controller MG 5 User Manual Global FIA Inc Tech Support 253 549 2223 Version 3 07 May 28 2013 milliGAT Pump 22 The controller should be mounted in such a way to allow adequate cooling and circulation of air around the controller 3 4 2 Plumbing Details for the plumbing of these pumps is the same as for the pumps that use the MicroLynx controller and are given in 3 2 2 3 4 3 Electrical connections NOTE It is a good practice to only apply power to the power supply after all connections have been made Failure to do so may destroy the controller Take precautions to avoid static discharges to the controller Ensure that electrical connections are made according to Table 8 Table 8 Power connections for MForce Pin Function 15 Power 24VDC 16 Power Ground Connect the power motor and serial control cables as shown in Figure 14 Figure 14 Motor and serial cable connections for MForce controller The MForce controller is equipped with an RS 422 port for device control The mating plug for this connector is a SAMTEC TCSD 05 01 N Global FIA can provide a USB to RS 422 converter cable P N USB RS 422 or other custom ordered cables to suit a user s application User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 23 Table 9 Pin outs for MForce RS 422 serial port Pin Function Aux Logic RX RX T
13. hydrochloric acid can permeate the PTFE and should be constantly purged from the internals of the pump by blowing instrument air in through one of the leak ports A barbed fitting Cat No P N is available to allow convenient hookup of an air line 5 1 2 PAEK The pump port end cap makes use of a PAEK based composite Polyaryletherketone is the generic name for the family of polyketone compounds PAEK includes PEK PEEK PEKK and PEKEKK which differ in physical properties and to a lesser degree in inertness http www sigmaaldrich com catalog search ProductDetail ALDRICH 421413 User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 28 This composite resists all common HPLC solvents and dilute acids and bases However concentrated or prolonged use of halogenated solvents may cause the polymer to swell Avoid concentrated sulfuric or nitric acids over 10 and see guidelines in 5 2 5 1 3 Valcon P The low flow pump rotor is made from Valcon P This composite the majority of which is PTFE and carbon has been used extensively in many analytical applications that use Valco valves It is routinely used in other applications at 1000 psi 75 C and can also be used at temperatures approaching 200 C with decreased sealing tension 5 1 4 Valcon E3 The low flow pump port end cap is made of a PAEK based composite called Valcon E3 Polyaryletherketone is the generic name f
14. make a square cut of the tubing using a sharp blade or tubing cutter Make sure that the end of the tube is free of burs or cut debris 2 Slide the nut and ferrule onto the tubing in the order shown in the pictures above 3 Insert this tubing into the female port on the pump and screw the nut in two or three turns 4 Push the tubing all the way forward into the detail so that it seats firmly This is essential for a proper zero dead volume connection 5 Tighten the nut in the port until it is finger tight Do not over tighten the fittings as you could damage the threads of the port 6 Remove the fitting and inspect it The tubing should protrude past the ferrule by approximately 2mm for the 10 32 fittings and should be flush with the ferrule for the 4 28 fittings 7 When made up properly the ferrule may be free to spin axially on the tubing but should have no lateral movement along the tubing If the ferrule moves laterally re install the fitting into the detail and tighten it another s turn past finger tight 8 Remove re inspect and repeat if necessary User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 11 3 2 3 Electrical connections NOTE It is a good practice to only apply power to the power supply after all connections have been made Failure to do so may destroy the controller Take precautions to avoid static discharges to the controller Figure 5 shows
15. surface The milliGAT is a self priming positive displacement pump and can tolerate gas in the fluid lines An animated depiction of the operation of the pump is given at http www vici com lighand m6 php 3 Installation and use 3 1 Getting started In order to operate the pump you must e Mount the pump and controller using the provided mounting points User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 8 For best results the milliGAT pump must be orientated with its ports facing up If the pump is orientated in any other direction bubbles may be trapped in the internal chambers of the pump This will have an adverse affect on accuracy and smoothness of flow Plumb tubing to the inlet and outlet ports of the pump The inlet is labeled with an A and the outlet is labeled with a B Connect the serial port on the pump controller to a suitable serial port on a computer For systems with separate stepper motor controllers connect the motor to the controller Connect the power supply and power up the pump Run a Suitable serial port terminal emulation program There are several options for this step Many users simply make use of the Terminal Emulation program called Hyper Terminal that comes packaged with most Windows operating systems A more specialized Terminal emulation program called IMS Terminal is supplied with the disk that was supplied with the pump or it can be
16. with an internal capacity of 100uI 256 360 1 8 4 75 100 MUNIT Note all motor commands pertaining to motor velocity flow rate and acceleration are expressed in terms of seconds In the above example flow rates will be measured in uL sec and volumes in ul etc 11 5 Backlash correction The MicroLynx can be set up to automatically compensate for the mechanical variance in a system The gearbox motor to pump coupling and certain internal pump components contribute to this variance This variance and therefore backlash compensation is only applicable when the direction of flow changes The MicroLynx has a suite of commands to automatically compensate for the backlash Table 20 lists the pertinent commands Table 20 Automated backlash compensation Command Description BLE Backlash compensation enable flag Enable BLE 1 Disable BLE 0 BLM Backlash compensation mode BLM 1 Backlash compensation amount in pL BLSH 1 5 When backlash compensation is enabled BLE 1 a move in the opposite direction to the previous move will have the value of BLSH added to it in the direction of the present move This will have the effect of taking up the backlash resulting from the change in direction When there is no change in direction no backlash compensation is necessary The backlash of a specific pump is characteristic to that pump and is determined for each pump motor combination This value is listed on the Certific
17. 16 RS 232 RS 485 p N oute seicccccieccseicrescreiseadicacasiaacecretesenaseaeaedsieacretenet iessneaeadacseacns 35 Table AZM OCR WEIDES manus bande dE EE dE SE AE WEE SE EE dee date 36 Table 18 Factory settings for controller variables eect eee eee eee eee eee eens 37 Table 19 Flow rate Conversion table cccce cee nena 37 Table 20 Automated backlash compensation ccecee eee eee eens 38 User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 6 1 Product Description The microprocessor controlled milliGAT pump consists of e apump head with appropriate fluid line connectors a motor and gearbox assembly a stepper motor controller a switch mode power supply 100 240 VAC to 24 VDC and various cables Several models of the pump are available and are listed in the following table Table 1 Pump model numbers Gearbox and Motor Controller MG 1 MG LF low flow 1 8 stepper motor 4 75x gearbox ML 4 MicroLynx MG 1M17 MG LF low flow 1 8 stepper motor 4 75x gearbox MDrive 17 plus MG 1M17 EE MG LF low flow 1 80 stepper motor 4 75x gearbox MDrive 17 plus external encoder MG 2 MG HF high flow 1 80 stepper motor 10x gearbox ML 4 MicroLynx MG 2M17 MG HF high flow 1 8 stepper motor 10x gearbox MDrive 17 plus MG 2M17 EE MG HF high flow 1 8 stepper motor 10x gearbox MDrive 17 plus external encoder MG 5 MG LF low flow 0 9 stepper motor 22 5
18. 2 14 WARRANTY AND DISCLAIMER 6 oissccsssccccesusccscessccsecesvecsscesscesdsesveesecessvesucesteesecesssesusesvecdecesseesucesvecseeess 43 List of Figures Figure 1 milliGAT PUMP cross section 7 Figure 2 Mounting points and external dimensions for milliGAT LF MG 9 Figure 3 10 32 fittings on 1 16 1 6 mm OD tubing cece te eee eee eee netted 10 Figure 4 4 28 fittings on 1 16 1 6 mm OD tubing and t s 3 1 mm OD tubing ss ssisrreren 10 Figure 5 MicroLynx cabling diagram with RS 232 Connection 11 Figure 6 MicroLynx communication cabling with RS 485 Connection 11 Figure 7 MicroLynx communication cabling with RS 232 and RS 485 connections c ceeeee eens 12 Figure 8 Power connection for MicroLynx ANd Bump 12 Figure 9 Mounting points and external dimensions for milliGAT LF with integrated controller MG PME NEE 16 Figure 10 MDrive cabling diagram with RS 422 485 Connection 17 Figure 11 MDrive cable diagram for multiple devices eee eee eee eee tenet eee 17 Figure 12 Power connection for MicroLynx ANd Bump 18 Figure 13 Mounting points and external dimensions for milliGAT with MForce controller MG 5 21 Figure 14 Motor and serial cable connections for MForce controller eset esses eee eee ened 22 Figur 15 Pressure relief Valve dek dN e eddi Ke dd mute REENEN ENEE ENEE Meee EEN ee 29 Figure 16 Right angle Grive ek five deg geleed de dee dee ge deeg Adit dee 29 Figure
19. 5 communication 2 Save these settings by issuing the SAVE command This controller is now designated as the host 3 Connect cables as shown in Figure 7 and Table 16 to the slave controllers It is preferable to use 4 wire RS 485 communication Note that the RX pins on the host are wired to the TX pins on the slave controllers and the TX pins on the host are wired to the RX pins on the slave controllers Connection from one slave controller to the next is RX to RX and TX to TX 4 Set the address switches on the side of each controller to a unique address per Table 2 Note addresses are case sensitive 5 Cycle power remove power pause until LED goes out then re apply power or send a Ctrl C from the keyboard The MicroLynx is now in party mode and all communications directed to this unit must begin with the address you picked from Table 2 Furthermore all communications must be terminated with a Ctrl J line feed instead of a carriage return Enter key There will not be any sign on message All controllers will now be in party mode NOTE while in party mode you must precede all commands with the address and terminate all commands with a Ctrl J For example ASlew 10 Ctrl J If you press Enter by mistake just press Ctrl J to send the command If commands appear not to be getting through press Ctrl J to set all controllers to receive mode again You can configure CR to send CR LF in most terminal emulation packages Then when you press Ent
20. 6x gearbox MForce 17 plus MG 5E MG LF low flow 0 9 stepper motor 22 56x gearbox MForce 17 plus external encoder The performance characteristics of each of these pumps are given in 10 2 Principle of operation The central component in the pump is a cylindrical rotor that is fitted with four equally spaced pistons two are shown in Figure 1 This rotor seals against the stator end cap The stator end cap has an inlet and outlet port These ports are coupled to an inlet channel in the shape of an arc and a similar outlet channel in the stator cap As the rotor turns a cam governs the back and forth displacement of the spring loaded pistons with a piston stroke of s 3mm The diameter of the pistons of the HF pump is larger than the pistons of the LF pump As the motor turns the rotor one piston is dispensing into the outlet channel one piston is filling from the inlet channel and the other two are moving between the inlet and outlet channels The cam has been engineered to ensure a smooth transition when one piston hands off to the next US Pat No 6 079 313 issued to Global FIA Inc User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 7 Figure 1 milliGAT pump cross section A stepper motor governs rotation rate and direction Flow direction is determined by the direction of rotation Flow rate is determined by the rate of rotation The metering capability of
21. 9 per step 2 Phase Bipolar 0 9 per step Gear Assembly Type Planetary Planetary Ratio 1 22 56 1 22 56 Communications Type RS 485 RS 485 Baud rate 57 600 bps 57 600 bps Parity None None Data bits per character 8 8 Stop bits 2 2 Error checking None None Mode ASCII ASCII Environmental Operating Temperature 0 50 C 0 50 C Operating Humidity lt 90 non condensing lt 90 non condensing Storage Temperature 20 C 70 C 20 C 70 C User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 35 11 Appendix A Technical details 11 1 Serial cable wiring The pin outs for the serial port for the MicroLynx are given in Figure 17 If the RS 232 interface is used then only the RS 232 connections are wired through to an appropriate serial connector usually a 9 pin D Shell The following table provides the connections for a standard RS 232 installation Table 14 RS 232 pin outs 10 pin connector 9 pin Female on MicroLynx D Shell 2 RX 3 TX 5 Gnd If the RS 485 interface is used then only the RS 485 connections are wired through to an appropriate connector In some applications only a single pair is used to communicate The following table provides the connections for both situations Table 15 RS 485 pin outs 10 pin connector 1 pair RS 485 2 pair RS 485 on MicroLynx The MicroLynx can also be used in a host mode where it is hooked to a computer via the RS 232
22. A Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 3 Contents 1 PRODUCT DESCRIPTION eegene eege Eege EEGEN 6 2 PRINCIPLE OF OPERATION RE 6 3 INSTALLATION AND USE d ene dee ENEE ee EEN EENS 7 JA GETTING STARTED eege eege 7 3 2 PUMPS WITH MICROLYNX CONTROLLER OMOG I MOG 21 8 KG amp S22 E 9 3 23 EE 11 3 2 4 Serial communications with a MicroLynx from a host computer using RS 232 o ae 13 3 2 5 Serial communications with multiple slave devices using a RS 232 to RS 485 converter 13 3 2 6 Communicating with multiple MicroLynx controllers with one MicroLynx as boer 13 3 2 7 Communicating with multiple slave devices using RS 485 with one MicroLynx as bast 14 3 2 8 Pump commands for the MicroLynx Controller ccccccccccccecsccseseesececseteeteneeseuseessseesseessueessutesenseeennees 14 3 2 9 Pump unis esses eet PASTA nea eR eas aa a eS 15 3 3 PUMPS WITH MDRIVE CONTROLLER MG 1M17 MoG 2MII 15 K GEET 15 332 sPlumbing EE 16 3 33 EE 16 3 3 4 Serial communications between a MDrive and a host computer using RS 422 485 o o 18 233 Communicating with multiple MDrive controllers ccccccccccceceesececeeseeteneetenseeessecseseeseeeesueessnsesennees 18 3 3 6 Pump commands for the MDrive Controller c ccccccccccessecesseeenseesececseneeseneesenseeesseesseesseessueesenseeenees 19 33 7 EE 20 3 4 PUMPS WITH MFORCE CONTROLLER MG 5 MOG AE 20 341 MOUNAIG ebe EE EE Aone Seb ae e
23. All other parameters are set to factory defaults described in the MicroLynx MDrive or MForce manual Note The values of the variables should only be changed by a qualified person as changing some variables may have a drastic impact on the pump s operation User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 37 Table 18 Factory settings for controller variables Parameter MicroLynx MicroLynx MDrive MDrive MFroce LF HF Pump units uL uL Volume ustep conversion MUNIT 2432 MUNIT 800 Step resolution MSEL 256 MSEL 256 Max flow rate VM 20 VM 100 Initial flow rate VI 0 001 VI 0 003 Acceleration rate ACCL 1000 ACCL 1000 A 1000 EU Deceleration rate DECL 1000 DECL 1000 D 1000 EU Motor hold current MHC 5 MHC 5 HC 5 Motor run current MRC 35 MRC 35 RC 60 Motor acceleration current MAC 40 MAC 40 Backlash enable BLE 1 BLE 1 Backlash mode BLM 1 BLM 1 Backlash amount BLSH 1 5 BLSH 9 5 BL 3740 BL 4000 BL 35530 Holding current dela HCDT 1 HCDT 1 HT 100 HT 100 HT 100 For the MicroLynx the present value of any variable can be determined by using the PRINT command e g PRINT VI will display the present value for VI the initial flow rate The present value for all variables can be seen by typing PRINT ALL For the MDrive and MForce the print command is PR On the MicroLynx to save changes to the default values use the SAVE command Changes not saved will be l
24. Decrement variable Increment variable Hold program operation for time n in msec if blank or 0 till motion stops Create program address label SU will run on startup End program execution Instruction to save ALL variables to non volatile memory Create a user variable in program mode 32 bit user registers Read only firmware version Clears the program space List the program stating at address n or label n Terminate all active operations and running programs Sets the baud rate Set the device address for PARTY mode operation Specifies whether commands will be echoed back over communication line n O Full duplex n 1 Half duplex n 2 Only respond to PRINT and LIST commands Flag that indicates whether a program is running Enables disables PARTY mode for multi drop applications All variables are integers no floating point capabilities All commands are preceded by the address if DN has been set default A and terminated with a line feed Ctrl J User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 43 14 WARRANTY AND DISCLAIMER This Limited Warranty gives the Buyer specific legal rights For a period of 365 calendar days from the date of shipment Global FIA Inc hereafter Seller warrants the goods to be free from defect in material and workmanship to the original purchaser During the warranty period Seller agrees to repair or replace defective and or non confor
25. ECHO 2 1 for half duplex 2 wire RS 485 communication Set up the addresses on each slave device Connect cables as shown in Figure 7 Follow steps 2 through 4 in 3 2 4 Any commands sent for devices down line of the host controller will be relayed by the host controller Replies will be passed through to the computer by the host controller 3 2 8 Pump commands for the MicroLynx controller Once serial communication has been established between the computer and the MicroLynx simply type the commands from the terminal program or the Terminal window of IMS Terminal or issue them from your custom software to activate the pump Appendix B MicroLlynx Commands provides a list of selected MicroLynx commands Further details on the MicroLynx controller can be found in the MicroLynx hardware or software manual which can be downloaded from http www imshome com manuals html Ov or Eo Table 3 provides the basic commands necessary to control the pump When the controller receives a valid command it returns a gt prompt when not in party mode if the command is not valid the controller returns a prompt User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 15 Table 3 Basic pump commands for the MicroLynx SLEW Description Pump continuously at the specified flow rate Min Max Units Example SLEW 20 0 004 167 uL sec VM Description Sets the flow rate for pump c
26. X TX OQ Gnd RS 422 allows the possibility of connecting multiple devices to a single serial port For multiple devices from a single serial port each device requires a unique device name DN The default address for single MForce devices is A 3 4 5 describes how to configure each drive for this mode of operation 3 4 4 Serial communications between an MForce controller and a host computer using RS 485 1 Connect the cables as indicated in and Figure 14 and Table 9 If you use the USB 422 you can download the driver for the virtual USB serial port from the ftdi web site at http www ftdichip com Drivers VCP htm 2 Run a Terminal emulation program such as IMS Terminal Windows Hyper Terminal or ProComm 3 Configure the communication settings in the software to 9600 baud no parity 8 data bits 1 stop bit and with no hardware or software flow control 4 Power up the pump An identifying string or gt prompt should be displayed on the screen If not power down the pump Ensure that all cables are properly connected and that the communication settings are correct Power the pump up again 3 4 5 Communicating with multiple MForce controllers 1 Each drive has to be assigned a unique Device Name DN The factory default address is A Connect to one MForce at a time and set the following drive variables 2 Once you have established communication type ADN a where a is the device name the device name can be an a
27. ate of Conformance for the pump and is usually about 1 5 uL If backlash is disabled then whenever there is a change in direction the volume dispensed will be less than the required volume by an amount equal to the backlash You can check the backlash of the pump at any time by carrying out the following simple test sequence 1 Prime the pump making sure that all bubbles have been purged from the pump Aspirate a small 5 uL bubble into the outlet line of the pump so that you can visually observe movement of the liquid Set BLE 0 This will disable backlash compensation MOVR 5 This will cause the fluid in the outlet to move towards the pump MOVR 1 0 This will cause the fluid in the outlet to move away from the pump and represents a change in direction Because you have disabled backlash compensation the fluid in the outlet line will not actually move the backlash has not been taken up yet Peay There is an error in the Lynx manual 03_10_2000 pdf p 3 48 in the description of BLM The modes are incorrectly swapped t This amount may vary with extensive pump wear User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 39 5 Repeatedly issue MOVR 0 1 commands until you observe movement of the liquid 6 The backlash is equivalent to 1 0 plus the number of 0 1 increments necessary before movement was observed 7 You can determine the backlash more accurately by increment
28. bly have the power connector in backwards If not then the controller is faulty and needs to be returned for repair 4 2 6 Flow is not smooth If a bubble is trapped in the pump it can cause pulsing flow To remove the bubble increase the flow rate to about 50 uL sec and aspirate 500 uL and then dispense 500 uL or 3000 wl for the HF pump You can also displace a small bubble by passing a large bubble gt 50 pL through the pump It is also a good idea to periodically pump a solution containing a surfactant through the pump We have found Zonyl FSN to be a good surfactant for this purpose and have demonstrated that it is compatible with many systems including those involving biochemical elements In many of our systems we include a few drops of Zonyl FSN in 500 mL of distilled water and use this as a carrier stream We have also found Micro 90 to be a good cleaning agent for the pump and tubing in general ul COND 5 Material compatibility 5 1 Materials of construction Wetted materials used in the milliGAT are described below 5 1 1 PTFE The piston tips are made from PTFE Polytetrafluoroethylene is the generic name for the class of materials such as Teflon It offers superior chemical resistance and lends itself to good sealing characteristics Because it s so easy to handle it is often used in low pressure devices such as the milliGAT Volatile compounds of low molecular weight can permeate PTFE Fumes of strong acids such as
29. c Initial pump velocity microsteps sec also creep velocity with HM command 0 01 EU Maximum velocity of pump during a pump action microsteps sec also seek velocity 20 EU with HM command Move to absolute motor position n is microstep position sign indicates direction Move motor relative to present position n is no of microsteps sign indicates direction Read only flag that indicates if the pump is moving Use the PR command to see the value of this flag 1 moving 0 stopped Set or print the motor position counter in microstep units Motor holding current used when the pump is stationary n of 2A Hold current delay time msec Motor run current used when the pump is running n of 2A Micro stepping resolution n 2 4 8 16 32 64 128 256 Variable used with PR instruction Read only variable that gives the error code of the most recent error Initialize all motion control parameters to their stored values Returns all variables to factory defaults Setup IO point 1 available for S2 S3 and S4 see MDI manual for details Switch digital output on and off n 1 on n O off Present state of digital input 1 on O off Input 1 digital filtering available for D2 D3 and D4 as well Keyword to place controller into program mode Print to screen selected data or text Call subroutine n label of subr m conditional statement Return from sub routine Branch to sub routine n label of subr m conditional statement
30. delines Specific reagent combinations should be tested to ensure compatibility with pump components Since the least chemically inert component in these composites is PEEK for optimum component life time the following guidelines given for PEEK should be followed Acids and bases No stronger than 1 M H2SO Resistant to 10 HCI Resistant to 20 HF Not Resistant to 70 no data on lower conc HNO Resistant to 20 Corrosion Resistance Tables Schweitzer Marcel Dekker 1991 www zeusinc com product_sheets resins peek chemical_compatibility html User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 29 Dibutylamine in Toluene TBAH NaOH H2S CH3SH acetone methyl ethyl ketone methyl alcohol toluene xylene chloroform chlorobenzene iodine iodide in water sodium hypochlorite household bleach Resistant at Room Temp Resistant at Room Temp Resistant at Room Temp permanganate hexane 6 Accessories Not Rated Not Rated Dionex uses PEEK as column material at 1 mM Resistant Resistant Not Rated Resistant Resistant at Room Temp Resistant Resistant at Room Temp Resistant Resistant Resistant at Room Temp Not Rated 6 1 Pressure relief valve P N PRV 100 Figure 15 Pressure relief valve The most frequent failure mode for the milliGAT pump occurs when the pump is over pressurized A pressure relief valve installed immediatel
31. downloaded from http www imshome com software interfaces html A third and very powerful option is to use the demo version of FIoZF written by Global FIA and available for download at http www globalfia com software html Subsequent sections will describe each of these steps in more detail and provide the command structure for each model of the pump 3 2 Pumps with MicroLynx controller MG 1 MG 2 3 2 1 Mounting The mounting points of the pump and controller are given in Figure 2 together with the external dimensions of each module Because the high flow pump HF makes use of a dual stage gearbox its enclosure is 1 25 4 mm longer than the low flow pump All other dimensions are the same The controller should be mounted in such a way to allow adequate cooling and circulation of air around the controller User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 9 Pump and Motor Assembly Wees 1 5 38 1 mm J 7 1 M SB a 34 10 25 4 mm N ard Km 50 8 mm Controller 238g BL 8 lt 60 66 mm gt 1445 3 73 mm x 782 mm 3 20 Suu UUUU 2x 0 150 2x 381mm Figure 2 Mounting points and external dimensions for milliGAT LF MG 1 3 2 2 Plumbing The low flow milliGAT pump MG 1 has two 10 32 threaded female ports The high flow pump MG 2 is equipped with two 28 female ports I
32. e ie EE 20 S422 TEE 22 3 4 3 Electrical connections EREECHEN 22 3 4 4 Serial communications between an MForce controller and a host computer using KS AR 23 3 4 5 Communicating with multiple MForce controllers oeeeeeeeeerrrerrrerrrerreerrrerrseereeees 23 3 46 Pump commands for the MForce controller 23 BAT EE 25 4 PUMP MAINTENANCE AND TROUBLESHOOTING cssscsssscssssssssescsssessssessssssssesesssessssssssseees 25 Sch o MAINTENANCE ee Eeer Eed deed E SE 25 EEN 25 d Routine CLEANING Eege DESS asa OAA ES 25 Et TROUBLESHOOTING in 243 12005 c 5 choke ces coos conde dustes sc ote corde cus cexseotscoudedustes stots coudedus dovstovs tousedasdouseetscouseoes cou teobiee 26 EE 26 GE 26 4 2 3 Bubbles in output E 26 424 NO COMMUNICA OM eeh SE Se EE DEES 26 4 2 Status light on controller EE 27 E NOUCSMOOL asii ran tks Be nE eng ay cae E eee Pas Lele tas tees gas NUTS ea TI NTE RA ENTS A 27 5 MATERIAL COMPATIBILITY ergdeege eege eege Eed 27 Dal MATERTALS OF CONSTRUCTION ele 27 KEE EE 27 eE EE 27 KEE E EE 28 SA4 Valton F3 EE 28 DAS Valion E 28 User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 4 Art VAL ied sees Sk de NES ENE ENERO ERE BE EAE OO REE 28 DL EIERE Eeer ee 28 5 1 8 TEE 28 TAE G 011D E EIN S AEE pas ss oe ase ese aes Soa ed og i A A E D EE 28 6 AG e RT UE 29 6 1 PRESSURE RELIEF VALVE P N PRV 100 29 6 2 RIGHT ANGLE DRIVE P N RAD 29
33. e volume The embedded program takes care of this but you must use a different command set to aspirate or dispense a particular volume VL specifies the volume in uL to pump EX FL runs the embedded program that completes the move with backlash compensation where appropriate Table 12 provides the commands to use if you need backlash compensation Switch inlet and outlet ports if flow direction is reversed t There are 23 104 usteps per uL User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 25 Table 12 Pump commands for the MForce with backlash compensation VL Description Set the desired volume to aspirate or dispense Min Max Units Example AVL 25 1 10 uL Ex FL Description Execute the pump move Min Max Units Example AEX FL vs Description Set the desired volume in steps Min Max Units Example AVS 1216 1 10 steps Ex FS Description Execute the pump move for volume in psteps Min Max Units Example AEX FS Example commands assume a module address of A Each command is sent to the controller by pressing the Enter key lt CR gt The software should be configured to send lt CR gt lt LF gt when Enter is pressed 3 4 7 Pump units The default units for the pump when the MForce controller is used are microsteps There are 23 104 usteps in a uL 4 Pump maintenance and troubleshooting 4 1 Maintenance There
34. er a CR and LF Ctrl J will be sent User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 14 6 Test by sending the command APRINT VER CtrI J if A is a valid address You should receive the line VER x xx 7 To obtain full duplex communication for each device type aECHO 2 O CtrI J where a is the devices address from Table 2 Save the new setting by typing aSAVE CtrI J When using the dip switches to set addresses all addresses are in uppercase If you use a lower case addresses or an invalid address all MicroLynx controllers will ignore further input until Ctrl J is pressed 8 When in party mode there is no sign on message but you can check for communication to a specific device by monitoring the pilot light and then press Ctrl C the pilot light should go off and then on again Table 2 Party mode address settings Address 3 2 7 Communicating with multiple slave devices using RS 485 with one MicroLynx as host 1 Using an RS 232 connection set the following system variables for the host MicroLynx before changing the address of the MicroLynx HOST 1 ECHO 2 0 for full duplex 4 wire RS 485 communication or HOST 1 ECHO 2 1 for half duplex 2 wire RS 485 communication 2 Using an RS 232 connection set the following system variables on each of the slave devices before changing the address of the device HOST 0 ECHO 2 0 for full duplex 4 wire RS 485 communication or HOST 0
35. er upgrade DIP switch on the side of the MicroLynx to the On position and click Next The small status indicator LED on the controller will shine red Alternatively type the required UPGR command for the MDrive 8 Cycle power to the Controller and press Next 9 Wait for Comms to be established and then press Upgrade 10 Allow new firmware to download wo User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 40 11 When it is finished downloading power down the Controller and switch the Upgrade DIP switch back to Off and click Done 12 Power up the system The small status indicator LED on the MicroLynx controller will shine green 13 Confirm that the new version is present by typing Print ver in the Comm Window at the gt prompt or PR VR for the MDrive 14 Re enter the system variables as specified in 11 3 and save these variables to non volatile memory by typing SAVE for the MicroLynx or S for the MDrive User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 41 12 Appendix B MicroLynx Commands Command Description ACCL n Peak acceleration value uL sec ACLT n Acceleration type DCLT n Deceleration type DECL n Peak deceleration rate uL sec SLEW n m Slew the motor at a constant velocity m O use acceleration ramp m 1 do not use acceleration ramp velocity in pL sec SSTP m Stop the current motion m 0 s
36. erature 0 50 C 0 50 C Operating Humidity lt 90 non condensing lt 90 non condensing Storage Temperature 20 C 70 C 20 C 70 C User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 34 pecifications MG 5 milliGAT Smooth low flow MG 5E milliGAT Smooth low flow w encoder Dimensions See Figure 2 See Figure 2 Weight pump 520g 520g Weight motor and gear assy 570g 645g Weight stepper controller g g Weight power supply 300g 300g Volume per rev 100 uL 100 uL Resolution Step resolution 256 2 310 400 micro steps 100uL 2 310 400 micro steps 100uL Pump volume range 10 nL 200 mL in discrete moves or 10 L 10 nL 200 mL in discrete moves or 10 L when when using SL command using SL command Pump speed range 0 005 10 uL sec 0 005 10 uL sec 0 03 pL min 0 6 mL min 0 03 pL min 0 6 mL min Back pressure 100 psi 100 psi Volume precision C O V lt 0 08 at 1 25 mL lt 0 08 at 1 25 mL lt 0 7 at 12 5 uL lt 0 7 at 12 5 uL Fittings 10 32 female thread with Valco detail 10 32 female thread with Valco detail Fluid contact PTFE Sapphire Viton Valcon E 3 and Valcon P PTFE Sapphire Viton Valcon E 3 and Valcon P Power requirement Rest current draw OmA 0 mA Operational current draw 1200 mA Typ peak 1600 mA at acceleration 1200 mA Typ peak 1600 mA at acceleration Voltage 12 48 VDC 24 VDC Typ 12 48 VDC 24 VDC Typ Motor Type 2 Phase Bipolar 0 9
37. f you look carefully you will see that they are labeled A and B Port A is the inlet and port B is the outlet for positive pump movements If you plan on using 1 32 0 8 mm OD tubing with the low flow pump care must be taken not to insert the tubing too far into the pump and so damage the pump rotor A fitting set suited for t 32 OD tubing that includes a 6 40 finger tight fitting and an adapter to the 10 32 female port in the pump is available see 7 for part numbers User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 10 A set of 10 32 finger tight fittings and ferrules are supplied with the low flow pump These fittings are suitable for 1 16 1 6 mm OD tubing Figure 3 is a picture of 10 32 fittings correctly fitted on PFA tubing Figure 3 10 32 fittings on 1 16 1 6 mm OD tubing For the high flow pump 4 28 fittings are supplied for either t 16 1 6 mm or t s 3 1 mm OD tubing Figure 4 14 28 fittings on 16 1 6 mm OD tubing and s 3 1 mm OD tubing The following instructions describe how to make a good fitting connection The leak tightness and integrity of the connection is dependent upon tubing preparation and the correct procedure in making up the fitting It is important to use the fittings supplied with the pump Fittings from other suppliers have been known to damage the pump 1 To ensure a good seal and avoid unswept volumes
38. h a small memory resident program installed This program can be viewed by typing LIST on the MicroLynx or L on the MDrive If this program becomes corrupted or is lost contact Global FIA for instructions and how to re instate the embedded program Global FIA can also develop custom embedded programs to suit customer needs 11 7 Upgrading the firmware Periodically Intelligent Motion Systems releases a new version of the Controller Firmware for the MicroLynx and MDrive controllers The present version of your firmware can be determined by typing PRINT VER at the gt prompt for the MicroLynx or PR VR for the MDrive The latest version of the firmware is available at http www imshome com software html Once the latest version has been downloaded and unzipped the following procedure should be followed to install the new version 1 Run IMS Terminal and ensure communication between IMS Terminal and the controller 2 Click on the Upgrade menu option 3 Click the Next button to begin the process and then follow the on screen instructions as described below 4 If you need to Save Pgms Vars and Flags click the Save button otherwise click Next If you click the Save button you will leave the Upgrade wizard and return to Immediate mode where you can manually save or upload variables and programs Locate and select the upgrade file and click Next Ensure that the serial cable is plugged in and click Next to setup the Comm port Set the index
39. how to connect an RS 232 serial port to the MicroLynx For computers such as Laptops equipped only with USB ports a USB to RS 232 converter can be used One that has been found to be reliable is available from Global FIA see 6 Host PC NicroLYNX 4 10 Pin Header Figure 5 MicroLynx cabling diagram with RS 232 connection Figure 6 indicates two possibilities for connecting the controller to an RS 485 port In the inset the RS 485 pins on the MicroLynx are connected to the A and B pins of a 2 wire RS 485 port In the main diagram the Receive pins on the MicroLynx are connected to the corresponding Transmit pins on the RS 485 port and the Transmit pins on the MicroLynx are connected to the Receive pins on the RS 485 port Custom cables to suit user requirements are available form Global FIA 2 wire RS 485 La o o o ollzwa F o D o o D 2 0 Nd RS 232 RS 485 Converter Host PC 4 wire RS 485 ECHO 2 0 HOST 0 If your PC is equipped with an RS 485 board no converter is necessary Connect RS 485 lines directly to Host PC as shown L Figure 6 MicroLynx communication cabling with RS 485 connection User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 12 In a third possible arrangement the MicroLynx is coupled to the PC via a RS 232 connection and acts as a host for communication to other devices on an RS 485 network This arrangeme
40. ice Name DN 3 3 5 describes how to configure each drive for this mode of operation User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 18 Figure 12 indicates how to connect power to the MDrive Two models of the MDrive are shown the one with flying leads and the other with a seven pin pluggable terminal 12 Flying Leads 7 Pin Pluggable Terminal Gnd f Figure 12 Power connection for MicroLynx and Pump 3 3 4 Serial communications between a MDrive and a host computer using RS 422 485 1 Connect the cables as indicated in Figure 10 2 Run a Terminal emulation program such as IMS Terminal Windows Hyper Terminal or ProComm 3 Configure the communication settings in the software to 9600 baud no parity 8 data bits 1 stop bit and with no hardware or software flow control 4 Power up the pump An identifying string should be displayed on the screen or the resident program if there is one will commence If not power down the pump Ensure that all cables are properly connected and that the communication settings are correct Power the pump up again 3 3 5 Communicating with multiple MDrive controllers This mode of operation is also called Party mode NOTE when in party mode you must precede all commands with the address and terminate all commands with a Ctrli J For example ASL 10000 CtrI J If you press Enter by mistake just press Ctrl J to send
41. ing smaller volumes If you do this it is useful to use narrow bore tubing with an ID of 250 um or less so that you can physically see the movement 8 Set BLSH to the new determined value for backlash 9 Set BLE 1 to enable backlash compensation 10 Verify correct operation by moving the fluid back and forth the same volume You should end up at the same spot Of course whenever you change direction even though the pump is moving for the first short period of time you will not see movement of the fluid as the pump takes up the backlash With backlash enabled this is handled automatically On the MDrive there is no in built function for compensating for backlash We have installed a small embedded program on the Drive to allow backlash compensation To compensate for backlash you must set the desired volume to aspirate or dispense first VL n where n is the desired volume in integer pL Then issue the command EX FL TO specify the required volume in u steps issue the command FS n and then EX FS Remember to precede commands with the address if in party mode and terminate commands with a Ctrl 3 You can change the value of the backlash by changing the variable BL backlash must be specified in u steps 11 6 Embedded programs The MicroLynx and MDrive have powerful Program Modes Using these modes sequences and programs can be downloaded to the controller to add functionality All pumps that use the MicroLynx or MDrive are shipped wit
42. itialize specified parameters to factory default settings you will need to manually update variables given in Table 18 PGM Keyword to place Micro Lynx into program mode PRINT n Instruction to output variable value to screen SAVE Instruction to save ALL variables to non volatile memory SER Read only variable that contains the serial number of the Micro Lynx VARS Used with GET PRINT and IP instruction VER Read only variable that contains the present Micro Lynx firmware version CP n Clears the program space EXEC n Execute the program located at address n LIST n List the program starting at address n lt ESC gt Terminate all active operations and running programs Ctrl C Terminate all active operations and running programs forces a partial reset BAUD n Sets the baud rate DN n Set the device address for PARTY mode operation ECHO n Specifies whether commands will be echoed back over comm line n O Full duplex n 1 Half duplex n 2 Only respond to PRINT and LIST commands PRMT Specifies the character to be used as a prompt character PARTY Enables disables PARTY mode for multi drop applications User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 42 13 Appendix C MDrive and MForce commands Command Description Factory Peak acceleration value microsteps sec 1000 EU Peak deceleration rate microsteps sec 1000 EU Slew the motor at a constant velocity in microsteps se
43. lphabetic character A Z Addresses are case sensitive Once named the device name must precede the instruction to that drive 3 aS to save the address to non volatile memory NOTE All commands must be terminated with a CR and LF For example AVM10000 lt CR gt lt LF gt You can configure CR to send CR LF in most terminal emulation packages Then when you press Enter a CR and LF will be sent 3 4 6 Pump commands for the MForce controller Once serial communication has been established between the computer and the MForce simply type the commands from the terminal program or issue them from your custom software to activate the pump Appendix C MDrive and MForce commands provides a list of selected MForce commands Further details on the MForce controller can be found in the Motion Control MForce hardware manual see http motion schneider electric com products mforce_microdrive_mfi html Table 10 provides the basic commands necessary to control a pump where the device address is the default address A For the MForce all variables must be integers Pump move flow rate and acceleration settings are given in microsteps User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 24 Table 10 Basic pump commands for the MForce Controller Description Pump continuously at the specified flow rate Min Max Units SL Example ASL 231040 100 231040 usteps
44. milliGAT Pump 1 684 Sixth Ave FI PO Box 480 Fox Island WA 98333 253 549 2223 253 549 2283 GLOBALFIA SUPPLIER OF FIA SIA INSTRUMENTS AND COMPONENTS milliGAT Pump Manual SE SECTION A A User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 2 The information in this manual has been carefully checked and believed to be accurate however no responsibility is assumed for inaccuracies Global FIA Inc maintains the right to make changes without further notice to products described in this manual to improve reliability function or design Global FIA Inc does not assume any liability arising from the use or application of this product neither does it convey any license under its patent nas WIG DRIVE Eemer MOTOR DRIVER omy df ogy Niwa tad en CONTROL are trademarks of Intelligent Motion Systems Inc Certain copyrighted figures and diagrams used in this manual are used with the permission of Intelligent Motion Systems Inc milliGAT is a registered trademark of Global FIA Inc Fox Island WA USA Global FIA Inc does not recommend the use of the milliGAT pump in life support or applications where it may directly or indirectly threaten life or injury See the Warranty and Disclaimer statement included in the back of this manual 2002 2013 Global FIA Inc All Rights Reserved User Manual Global FI
45. ming goods or parts without charge for material or labor OR at Seller s option demand return of the goods and tender repayment of the price Buyer s exclusive remedy is repair or replacement of defective and nonconforming goods OR at Seller s option return of the goods and repayment of price SELLER EXCLUDES AND DESCLAIMS ANY LIABILITY WHETHER ARISING IN CONTRACT TORT OR OTHERWISE FOR LOSS OF USE REVENUES OR PROFITS PERSONAL INJURY INTERRUPTION OF SERVICE OR FOR CONSEQUENTIAL INCIDENTAL OR SPECIFIC DAMAGES ARISING OUT OF RESULTING FROM OR RELATING IN ANY MANNER TO THESE GOODS There are NO user serviceable parts inside the pump Opening the pump by removing or even loosening the hex bolts that hold the pump together will void this Limited Warranty This Limited Warranty does not cover defects or nonconformity resulting from abuse misuse neglect lack of reasonable care modification or the attachment of improper devices to the goods This Limited Warranty does not cover expendable items This warranty is VOID when repairs are performed by a non authorized service center or representative At Sellers option repairs or replacements will be made on site or at the factory If repairs or replacements are to be made at the factory Buyer shall return the goods prepaid and bear all the risks of loss until delivered to the factory If Seller returns the goods they will be delivered prepaid and Seller will bear all risks of loss until deliver
46. nt is represented schematically in Figure 7 for subsequent communication on a 2 wire RS 485 loop Communication on a 4 wire RS 485 loop can be derived from this figure MicroL NX 10 Pin Header HOST 1 ECHO 2 1 Figure 7 MicroLynx communication cabling with RS 232 and RS 485 connections The pin outs for the serial port are given in Table 14 and Table 15 Figure 8 indicates how the pump and power supply are to be connected to the MicroLynx Caution The power connector is keyed be careful not to plug the power connector in incorrectly this could result in overheating and damage to the pump motor and MicroLynx 4 controller The 24V power wires are closest to the edge of the controller and power status LED Ensure that the DC output of the power supply does not exceed the maximum input voltage All power supply wiring should be shielded twisted pair to reduce system noise 12 48VDC Power Supply Figure 8 Power connection for MicroLynx and Pump MicroLYNX User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 13 3 2 4 1 2 3 3 2 5 2 3 4 3 2 6 Serial communications with a MicroLynx from a host computer using RS 232 Connect the cables as indicated in Figure 5 Run a Terminal emulation program such as IMS Terminal Windows Hyper Terminal or the FIOZF terminal emulator Configure the communication settings in the software to
47. of 12 VDC It is doubtful whether 12VDC will provide enough power to turn the pump 4 Certain solvents cause the wetted components to swell Some organic solvents will cause slight swelling of the rotor or stator A small increase in certain dimensions could cause the pump to stall Flush out the organic solvent this may require manual turning of the pump with distilled water and allow it to dry out and stand for a while Under certain conditions the polymers will shrink back to the correct size and the pump will again begin to function Under these conditions the pump is probably not suited to such solvents 4 2 3 Bubbles in output flow When a continuous stream of bubbles is in the pump outlet but not the inlet the most likely cause is a poor fluid connection usually in the inlet Ensure that the tubing is cut square and that the fitting is finger tight An extra turn of the fitting beyond finger tight may also help Bubbles could also occur if there is a negative pressure on the outlet In this instance bubbles may be drawn out of solution or the solvent may even vaporize Reduce the negative pressure on the outlet 4 2 4 No communication Sometimes when setting up a new system it is difficult to get communication between a computer and a controller This problem is exacerbated by the fact that there are so many things that can go wrong with serial communications and it is tedious to identify the defective component Although time Use
48. ommands Min Max Units Example VM 20 0 004 167 uL sec Description Pumps the specified volume pump direction is Min Max Units MOVR KEGU ESANS Example MOVR 100 0 001 10 uL SSTP Description Stops pump movement Min Max Units Example SSTP Table 4 provides a few examples with descriptions given in the first column and the required commands given in the second column Table 4 Sample commands for the MicroLynx Description Command Aspirate 0 5uL at 5uL sec VM 5 MOVR 0 5 Dispense 1000uL at 100uL sec VM 100 MOVR 1000 Pump continuously at 50uL sec SLEW 50 Stop the pump SSTP Re establish pump factory settings INIT Save all present settings to non volatile RAM SAVE Each command is sent to the controller by pressing the Enter key except when in party mode then Ctrl J is used When entering these commands always ensure that the controller returns a gt prompt If it returns a prompt then there is an error in the command and you must retype it You can clear the error by typing PRINT ERROR Error codes are given in the MicroLynx software manual 3 2 9 Pump units The default units for the pump when the MicroLynx controller is used are ul volume uL sec flow rate and slew rate and uL sec flow acceleration rate The conversion factor between volumetric units and micro steps is given by the controller variable MUNIT The value of MUNIT can be determined using the equation on page 38 Yo
49. or the family of polyketone compounds PAEK includes PEK PEEK PEKK and PEKEKK which differ in physical properties and to a lesser degree in inertness This composite resists all common HPLC solvents and dilute acids and bases However concentrated or prolonged use of halogenated solvents may cause the polymer to swell Avoid concentrated sulfuric or nitric acids over 10 5 1 5 Valcon H2 The high flow pump stator cap is a carbon fiber reinforced PTFE lubricated inert polymer 5 1 6 Viton Viton O rings are used to seal the piston chambers in the pump rotor in the low flow pump Besides its excellent mechanical properties Viton provides the best proven fluid and chemical resistance of the commercial non fluorinated elastomers Kalrez has been found to be superior in certain instances and a special pump can be constructed with Kalrez o rings 5 1 7 Sapphire The milliGAT piston chambers are made of sapphire and are sealed in place with a Viton o ring in the low flow pump Sapphire has a unique set of properties including high strength hardness surface smoothness and excellent chemical compatibility It is commonly used in applications where a combination of exceptional mechanical and chemical properties is essential 5 1 8 Ceramic In the high flow pump the rotor and piston chambers are made from ceramic The ceramic employed in this component comprises of zirconium dioxide There are no wetted o ring seals 5 2 Gui
50. ost when the pump is powered down For the MDrive and MForce the save command is S 11 4 Calculating MUNIT for different MSEL values MUNIT is the variable that allows the conversion from stepper motor pulses to a more meaningful engineering unit This means that instead of expressing pump flow rate in motor Hz or volume in terms of number of stepper motor steps it is possible to express it in familiar units such as uL sec and uL Some users are more familiar with expressing flow rate in terms of a volume per minute This is not conveniently accommodated in the milliGAT controllers because all rate and acceleration based parameters are expressed in terms of seconds Changing MUNIT to a value that would give flow rates in terms of volume per minute would render volume and acceleration settings obscure Table 19 provides a conversion table for selected flow rates Table 19 Flow rate conversion table uL sec mL min wLl sec mL min ulsec mL min wL sec mL min User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 38 For the milliGAT pump MUNIT and EU is calculated as follows MUNIT step resolution 360 motor step size gear ratio volume moved by one revolution of the pumpin pump units _ MSEL sets the pump step resolution For example pump units in uL for a pump with a 1 4 75 gear box and a 1 8 stepper motor used in micro stepping mode MSEL 256 with a pump
51. r Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump a7 consuming tracking down these problems simply requires a systematic evaluation of each component in the communication system This includes 1 Ensure that the serial port on the computer that you are using is functional does it communicate with other devices 2 If you are using a USB to RS 232 or RS 485 converter or RS 232 to RS 485 converter ensure that it is working 3 Ensure that you have selected the correct communications settings including Port number baud rate number of data bits number of stop bits and parity checking 4 In the terminal emulation software ensure that you are connected Sometimes simply re starting the Terminal emulation software is helpful Check the cable that you are using ensure that all wires are intact and connected and that the pin outs are correct Is the controller configured with an address and are you using the address If in party mode are you using Ctrl J LF to send the commands Is the controller correctly powered You can see whether signals are getting through to the MicroLynx controller by pressing Ctrl C when you do the status LED should flash On the MDrive a Ctrl C should force a soft restart If there is an embedded program you should see the embedded program startup routine run 4 2 5 Status light on controller flashes If the status LED on the MicroLynx flashes you proba
52. t cases simply flushing out the pump in this way and removing the source of back pressure will get the pump back to good working condition If the leak fluid has done more permanent damage then the pump will have to be returned for refurbishment 4 2 2 Pump stalls When the torque of the pump exceeds the torque output of the motor the pump will stall Depending on the flow rate a characteristic growling sound or vibration or ticking and no flow of the fluid will indicate that the pump is stalling There are a few possible causes of this problem 1 Wires or connections are loose If the wires between the pump and controller are loose or damaged the torque output of the motor will be less than optimal Repair wires or tighten connections to remedy 2 Check the run current The run current determines the current which is sent to the motor For the MicroLynx the run current MRC is 35 This can be increased to 40 MRC 40 On the MDrive the default run current RC is 60 This can be increased 80 RC 80 If it is increased the motor will run a little hotter than normal but it will not harm the motor or pump A higher current will give a higher torque 3 Check the voltage The controller will accept a voltage between 12 and 48 VDC The supplied power supply has an output voltage of 24VDC Slightly higher torque is achievable if a power supply with a higher voltage output is installed Although the controller will still work with an input voltage
53. tZ PIN OUtS ON IMICKOLY NX 2 facia ENEE hed ENEE aloo Woes Wath dei EE EEN EE mE 36 User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 5 List of Tables Tablet PumMp MOdel NUMBE rS iis diistiisedieees cerris eeir t a E A EAEE 6 Table 2 Party mode address SCttingS e EEN EKOS NNE cecdanes deep ereeiretsaraareaensa credererceciateaenedaaeaened 14 Table 3 Basic pump commands for the Microtwvpns teen 15 Table 4 Sample commands for the MiCrOLyNX ecceeee eee eee 15 Table 5 Basic pump commands for the MDrive 17 oo cece Enna 19 Table 6 Sample commands for the MDrive 17 20 Table 7 Pump commands for the MDrive 17 with backlash compensation sseeeeeeee teste ene es 20 Table 8 Power connections for Mkorce eter need 22 Table 9 Pin outs for MFore RS 422 serial POM ue ve ue d er dake dine take de De dain Dee Palade dale Se 23 Table 10 Basic pump commands for the MForce Controller seen eee e eee ene ena need 24 Table 11 Sample commands for the MForce Controller ccccccesce eee seen eee ene ene eine end 24 Table 12 Pump commands for the MForce with backlash compensation 25 Table 1t3Spare parts listie rneer neice gene ENEE dE dek Eed ENEE ENEE ENEE NEG 30 Table T4 Es RS 232 PIN OUES eege a e AN dd dee ee eg deg Rian ie dE ke 35 Table 25 RS 485 pin OUtS i ciersc cesasaee saad ccvace caeeedexedsdaaasedeg ea SE REENEN EEN REENEN SEENEN RES e 35 Table
54. the pump is determined by the accuracy of the stepper motor working in micro step mode In addition to various levels of gearing the stepper motor is operated in a mode where every stepper motor step is divided into 256 micro steps For the low flow LF pump one revolution of the pump displaces 100 uL and for the high flow HF pump one revolution displaces 630 uL The volume per micro step is dependent on motor gearing and pump used and can be calculated using the formula given on page 38 In the event of a deadhead blockage the backpressure overcomes the spring that holds the rotor against the stator The rotor of the pump moves away from the stator and fluid leaks into the pump internals and eventually from one of the pump s leak ports If this occurs the leakage must be well flushed from the pump using distilled water and isopropyl alcohol to prevent permanent damage see 4 2 1 for more detailed instructions on dealing with a leak While care has been taken to ensure a smooth transition from one piston to the next some users with sensors that are extremely sensitive to flow may notice a small perturbation as one piston hands off to the next The pistons are Teflon tipped and the Teflon tip is longer than the piston stroke thereby ensuring that the wetted surface of the piston chamber is not exposed to air This has a positive implication for wear life of the pistons as crystals of dried dissolved solids cannot form and scratch the seal
55. to Global FIA The following procedure must be followed when pumps are returned to Global FIA for repair 1 Obtain a Return Merchandise Authorization number RMA from Global FIA 2 With the RMA number Global FIA will provide a Request for Repair form in pdf format Complete the form 3 Describe in detail a what is wrong with the pump b the environment in which it is used including the fluids used in the pump c your power and communications setup Include contact name address telephone number email address Include the form with the item being returned Return the pump to OVO gt Global FIA Inc Attn RMA 684 Sixth Ave Fox Island WA 98333 USA 10 Operational and technical specifications Specifications for each of the pumps are given in the following tables These specifications are subject to change from time to time as improvements are made to the pump and the manufacturing and testing procedures User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 32 Physical Specifications MG 1 milliGAT LF Low flow MG 2 milliGAT HF High flow Dimensions See Figure 2 See Figure 2 Weight pump 520g 520g Weight motor and gear assy 530g 645g Weight stepper controller 300g 300g Weight power supply 300g 300g Volume per rev 100 uL 630 uL Resolution MSEL 256 243 200 micro steps 100uL 504 811 micro steps 630uL Pump volume range 10 nL 800 mL in discrete moves or 10 L
56. top motion only m 1 stop motion and program m omitted is the same as m 0 VI n Initial pump velocity uL VM n Maximum velocity of pump during a pump action uL MOVA n m Move to an absolute pump position n is position in uL sign of n indicated direction m O with deceleration m 1 no deceleration m O if omitted MOVR n m Dispense aspirate n is volume in ut sign of n indicates direction m O with deceleration m 1 no deceleration m O if omitted MVG Flag that indicates whether the pump is moving TRUE moving FALSE stopped Use the PRINT command to see the present value POS n Register that contains the present pump position in uL MAC n Motor acceleration current used when the pump is accelerating n of 4A MHC n Motor holding current used when the pump is stationary n of 4A MRC n Motor run current used when the pump is running n of 4A MSEL n Micro stepping resolution n 2 4 8 16 32 64 128 256 MUNIT n Conversion factor from motor pulses to user units n 19 for MSEL 2 n 304 for MSEL 32 BLE n Backlash compensation enable flag n 1 enable n 0 disable BLM n Backlash mode n 0 mathematical n 1 mechanical BLSH n Backlash compensation amount uL CTR1i Counter of pulses sent to motor ALL Variable used with GET PRINT and IP instruction ERR Read only flag that indicates whether an error has occurred ERROR Read only variable that gives the error code of the most recent error FLAGS Used with GET PRINT and IP instruction IP In
57. u can determine the present value of MUNIT by typing PRINT MUNIT lt CR gt 3 3 Pumps with MDrive controller MG 1M17 MG 2M17 3 3 1 Mounting For these pumps the controller in integrated with motor and so there is no separate controller The mounting points of the pump and controller are given in Figure 9 together with the external dimensions of each module Because the high flow pump makes use of a dual stage gearbox the motor and gear assembly is 0 52 13 mm longer than the low flow pump All other dimensions are the same Pressing the ESC key will also halt a pump action t Switch inlet and outlet ports if flow direction is reversed User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 16 The pump should be mounted in such a way to allow adequate cooling and circulation of air around the controller lade Il H 8 32 Thread 3 823 in _ 2X be 7 246 in Figure 9 Mounting points and external dimensions for milliGAT LF with integrated controller MG 1M17 3 3 2 Plumbing Details for the plumbing of these pumps is the same as for the pumps that use the MicroLynx controller and are given in 3 2 2 3 3 3 Electrical connections NOTE It is a good practice to only
58. und in the MDrive Motion Control hardware or software manual see http www imshome com manuals html Table 5 provides the basic commands necessary to control a pump where the device name has not been set For the MDrive all variables e g flow rates must be integers Pump move flow rate and acceleration settings are given in microsteps You can convert to uL by multiplying the desired uL value by EU EU stands for engineering units and represents the number of micro steps in a pL For desired volumetric settings that are not integers you will have to calculate the equivalent micro steps and then issue the appropriate command e g for EU 2432 and a desired flow rate of 0 1 uL sec use the command VM 243 Table 5 Basic pump commands for the MDrive 17 Description Pump continuously at the specified flow rate Min Max Units Example SL 20 EU 1 167 pL sec SL Description Sets the flow rate for pump commands Example VM 20 EU VM Description Pumps the specified volume pump direction is determined by the sign Example MR 100 EU Description Stops pump movement Min Max Units Example SL 0 MR SL 0 The MDrive does not have built in backlash correction A small program has been installed on the MDrive which compensates for backlash Backlash comes into play when you change pump direction There are small tolerances in the drive train and gear box that must be taken up
59. w flow MG 2D milliGAT HF High flow Dimensions See Figure 9 See Figure 9 Weight pump 520g 520g Weight motor gear and 580g 655g controller Weight power supply 300g 300g Volume per rev 100 uL 630 uL Resolution MSEL 256 243 200 micro steps 100uL 504 811 micro steps 630uL Pump volume range 10 nL 800 mL in discrete moves or 10 L when 100 nL 8L in discrete moves or 10 L when using SLEW command using SLEW command Pump speed range 0 004 167 pL sec 0 040 500 pL sec 240 nL min 10 mL min 2 4 uL min 30 mL min Back pressure 100 psi 100 psi Volume precision C O V lt 0 08 at 1 25 mL lt 0 1 at 1 25 mL lt 0 7 at 12 5 uL lt 0 6 at 125 uL Fittings 10 32 female thread with Valco detail 10 32 female thread with Valco detail Fluid contact PTFE Sapphire Viton Valcon E 3 and Valcon P PTFE Ceramic and Valcon H2 Power requirement Rest current draw 200 mA 200 mA Operational current draw 1200 mA Typ peak 1600 mA at acceleration 1200 mA Typ peak 1600 mA at acceleration Voltage 12 48 VDC 24 VDC Typ 12 48 VDC 24 VDC Typ Motor Type 2 Phase Bipolar 1 8 per step 2 Phase Bipolar 1 8 per step Gear Assembly Type Planetary Planetary Ratio 1 4 75 1 9 86 Communications Type RS 485 RS 422 RS 485 RS 422 Baud rate 9600 default 4800 38 800 bps 9600 default 4800 38 800 bps Parity None None Data bits per character 8 8 Stop bits 1 1 Error checking None None Mode ASCII ASCII Environmental Operating Temp
60. when 100 nL 8L in discrete moves or 10 L when using SLEW command using SLEW command Pump speed range 0 004 167 pL sec 0 040 500 pL sec 240 nL min 10 mL min 2 4 uL min 30 mL min Back pressure 100 psi 100 psi Volume precision COM lt 0 08 at 1 25 mL lt 0 1 at 1 25 mL lt 0 7 at 12 5 uL lt 0 6 at 125 uL Fittings 10 32 female thread with Valco detail 14 28 female thread with flat bottom Fluid contact PTFE Sapphire Viton Valcon E 3 and Valcon P PTFE Ceramic and Valcon H2 Power requirement Rest current draw 200 mA 200 mA Operational current draw 1400 mA Typ peak 1600 mA at acceleration 1400 mA Typ peak 1600 mA at acceleration Voltage 12 48 VDC 24 VDC Typ 12 48 VDC 24 VDC Typ Motor Type 2 Phase Bipolar 1 8 per step 2 Phase Bipolar 1 8 per step Gear Assembly Type Planetary Planetary Ratio 1 4 75 1 9 86 Communications Type COM1 RS 232 COM1 RS 232 COM2 RS 485 RS 422 COM2 RS 485 RS 422 Baud rate 9600 default 4800 38 800 bps 9600 default 4800 38 800 bps Parity None None Data bits per character 8 8 Stop bits 1 1 Error checking None None Mode ASCII ASCII Environmental Operating Temperature 0 50 C 0 50 C Operating Humidity lt 90 non condensing lt 90 non condensing Storage Temperature 20 C 70 C 20 C 70 C User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013 milliGAT Pump 33 Physical Specifications MG 1D milliGAT LF Lo
61. y downstream of the pump ensures that the fluid pumps to waste if there is a blockage that causes the back pressure to exceed 100 psi In this way the pump is protected against fluid getting into the pump internals blockage or restriction should be equipped with a pressure relief valve 6 2 Right angle drive P N RAD Figure 16 Right angle drive Any system where there is the possibility of User Manual Version 3 07 May 28 2013 Global FIA Inc Tech Support 253 549 2223 milliGAT Pump 30 In some instances it is desirable to orientate the motor horizontally for example to mount the pump to a vertical plate The pump must be orientated vertically and so to accommodate such a mounting scenario a right angle drive can be installed between the motor and pump 6 3 IO Switch P N IOS Where only a few pump settings or actions are needed these can be downloaded as an embedded program to the controller and then selected using a rotary switch coupled to the IO ports of the controller Contact Global FIA for custom embedded program development 6 4 USB to RS 422 485 converter P N USB 485 Most laptop computers are only equipped with USB ports This adapter provides an RS 485 port that plugs into a USB port Output connectors are for the MDrive controller 6 5 RS 232 to RS 485 converter P N SER 485 I This adapter provides a RS 485 connection for the MDrive controller that plugs into a RS 232 port on a computer
62. y to the Buyer Buyer and Seller agree that this Limited Warranty shall be governed by and construed with the laws of the State of Washington The warranties contained in this agreement are exclusive and in lieu of all other warranties obligations and liabilities express or implied arising by law or otherwise including a any implied warranty of merchantability or fitness for a particular purpose b any implied warranty arising from course of dealing or usage of trade and c any right claim or remedy in tort whether or not arising from the sellers negligence This Limited Warranty supersedes all prior proposals or representations oral or written and constitutes the entire understanding regarding the warranties made by Seller to Buyer This Limited Warranty may not be expanded or modified except in writing signed by the parties hereto User Manual Global FIA Inc Version 3 07 Tech Support 253 549 2223 May 28 2013

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