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Schambeck SDS 9414I, Руководство по эксплуатации

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SDS 9414i   HPLC Pump 

 

 

 

Version:  2.2 (July 2007) 

Page:  32 / 45 

 
 

9.3 PUMP HEAD ASSEMBLY 

The following diagram shows all the components of the dismantled pump head: 

 

Picture 7: Pump Head Assembly 

 

1 

Pump head body 

 

13 

Ferrule 1/8" 

2 

Piston sealing ring 

 

14 

Thrust bolt 

3 

Piston guide with piston back flushing 

 

15 

Outlet valve housing (pressure side) 

4 

Secondary sealing ring 

 

16 

Capillary tube for connecting the damping piston 

5 

Centering disk 

 

17 

Hollow screws M4x45 

6 

Pressure spring 

 

18 

Relief valve block 

7 

Ceramic piston assembly 

 

19 

Venting screw 

8 

Guide bearing 

 

20 

Sealing ring: relief valve 

9 

Mounting plate 

 

21 

Capillary for connecting relief valve and pump head 

10 

Hollow screw 

 

22 

Drain capillary from relief valve block 

11 

Check valve cartridge 

 

23 

Solvent outlet 

12 

Inlet valve housing (suction side) 

 

24 

Pressure sensor 

 

Содержание SDS 9414I

Страница 1: ...SDS 9414I HPLC Pump...

Страница 2: ...Connector 6 14 5 Menu Description 15 5 1 Overview 15 5 1 1 Input of Parameters 15 5 2 Flow Rate 15 5 2 1 Constant Pressure 15 5 2 2 Maximum Flow 16 5 3 Minimum Pressure Threshold 16 5 4 Maximum Pressu...

Страница 3: ...1 Hardware 39 10 1 1 Communication Parameters 39 10 2 Command List 39 10 2 1 Command Format 39 10 2 2 Command Synchronization 42 10 2 3 Safety Feature 42 11 Spare Parts Accessories 43 11 1 General Spa...

Страница 4: ...2 Front Side View 10 Picture 3 Pump Components 11 Picture 4 Rear Panel 12 Picture 5 Status Display Constant Flow Mode 24 Picture 6 Status Display Constant Pressure Mode 25 Picture 7 Pump Head Assembly...

Страница 5: ...1 piece Plastic Syringe 1 piece PTFE Tubing 1 6x3 2 mm I D for the pump suction capillary tube 1 piece Capillary Tube Stainless Steel 1 2 PEEK VERSION 1 piece HPLC Pump SDS 9414I 1 piece Operation Ma...

Страница 6: ...tage or before changing defect fuses disconnect the instrument from all power sources The instrument has to be plugged into grounded wall sockets only This instrument can be used only with other instr...

Страница 7: ...less than 0 1 Flow Precision less than 1 0 Max Pressure 40 MPa 400 bar Display Alphanumeric 2x20 characters LCD Compressibility Factor selectable from 0 7 to 1 0 Operation Mode constant flow or const...

Страница 8: ...a dual piston pump combined with the reliability of a single piston pump Difficulties in solvent delivery systems caused mainly by malfunctioning of the valves The delivery piston of the standard anal...

Страница 9: ...ent in a simple manner Through the alphanumeric display the instrument parameters are shown in clear letters The user can easily control or change the data To simplify operation the function keys are...

Страница 10: ...2007 Page 10 45 4 2 FRONT SIDE VIEW All parts necessary for the operation are positioned on the front side of the instrument Picture 2 Front Side View 1 2x20 Character LCD 2 Keyboard 3 Status Indicat...

Страница 11: ...ct from eluent reservoir 2 Pump head letter on pump head denotes type a analytical m micro p preparative 3 Mounting screws 4 4 Pressure valve housing 5 Connecting capillary damping piston 6 Connecting...

Страница 12: ...Version 2 2 July 2007 Page 12 45 4 3 REAR PANEL VIEW Picture 4 Rear Panel 1 Main Switch 2 Power Cord Plug 3 Fuse Carrier w Voltage Selector 4 REMOTE CONTROL connector 15 pins 5 RS 232 Connector 6 PRE...

Страница 13: ...UNCTION 1 EXTERN 2 ERROR N C 3 Internal use 4 Internal use 5 START STOP 6 RUN RELAY COM 7 ERROR COM 8 COM 9 EXTERN 10 RUN RELAY N C 11 INSTALLED J 12 HIGH PRESSURE J 13 REMOTE J 14 RUN RELAY N O 15 ER...

Страница 14: ...SDS 9414i HPLC Pump Version 2 2 July 2007 Page 14 45 4 4 3 PRESSURE CONNECTOR 6 PIN FUNCTION 1 Pressure 2 3 Pressure 10 mV 1 MPa...

Страница 15: ...programming dialog is started The display shows The value for the flow rate can be set to any wanted number by using the p or q key By pressing once for a short time the value will change in 0 05 incr...

Страница 16: ...be set by using the p or q key 5 3 MINIMUM PRESSURE THRESHOLD By pushing the PROG key the programming dialog is switched to the next menu The display shows At this step the minimum pressure level can...

Страница 17: ...Activation of the PROG key stores the value into the memory and activates the next programming step 5 5 COMPRESSIBILITY By pushing the PROG key the programming dialog is switched to the next menu The...

Страница 18: ...g the p or q key for a time range from 00 01 to 99 59 h min The time will be fixed into the memory and the next program step is selected by pushing the PROG key 5 7 DELAY TIME By pushing the PROG key...

Страница 19: ...o fix the value into the memory and to activate the next programming step 5 9 STOP DELAY TIME By pushing the PROG key the programming dialog is switched to the next menu The display shows The HPLC pum...

Страница 20: ...e relief valve 6 3 PRIMING THE PUMP During the final quality control the pump is tested with Propanol When setting up for operation and later when changing solvents care must be taken to ensure solven...

Страница 21: ...th approx 20 ml solvent Close the relief valve clockwise and the pump is ready for operation The priming of the pump with the help of a syringe as described above will only work as long as the whole s...

Страница 22: ...to STANDBY when the STOP key is pressed RUN When the instrument is in RUN the START LED is on The SDS 9414I is set to RUN when the START key is pressed PROGRAMMING The instrument is in PROGRAMMING whe...

Страница 23: ...coustic signal is given which lasts for about 30 seconds The error can be cleared by pressing the STOP key MAXIMUM PRESSURE ERROR The MAXIMUM PRESSURE ERROR indicates that the pressure exceeded the pr...

Страница 24: ...form h min since the pump was started The same position on the display may also show AT or DT n AT This stands for the analysis time which has been preselected by the operator This time preset by the...

Страница 25: ...and measures the elapsed time in the form h min since the pump was started The same position on the display may also show AT or DT n AT This stands for the analysis time which has been preselected by...

Страница 26: ...down mode execute the following steps turn off the main switch press the STOP key and switch the main switch on again Keep the STOP key pressed until the display indicates that the power is on Skip t...

Страница 27: ...as relative change of the volume Compressibility the necessary pressure change therefore 1 V K V x p The constant volume delivery can be seen as a stepwise displacing of liquid out of the pump head T...

Страница 28: ...king the back pressure every 0 1 seconds and corrects the piston speed accordingly The calculation program is using the liquid with the smallest compressibility water as a factor of 1 As different org...

Страница 29: ...entage in the mixture For example 50 H2O 20 Methanol 30 Acetonitril F 0 5 F H2O 0 2 F Methanol 0 3 F Acetonitril F 0 5 x 1 0 2 x 0 63 0 3 0 68 F 0 83 For other solvents with an unknown factor an avera...

Страница 30: ...wer connection check the display concerning error messages check if a start delay time is programmed failure of the check valves clean the check valves by using an ultrasonic bath or exchange the chec...

Страница 31: ...OF PUMP HEAD disconnect the capillary tube 6 between the pump head 2 and the relief valve 7 remove the solvent suction tubing connected to 1 loosen the four mounting screws 3 and remove the pump head...

Страница 32: ...alve housing pressure side 4 Secondary sealing ring 16 Capillary tube for connecting the damping piston 5 Centering disk 17 Hollow screws M4x45 6 Pressure spring 18 Relief valve block 7 Ceramic piston...

Страница 33: ...e pump head insert the piston guide upward with the secondary sealing ring white put the ceramic piston into the guide bearing insert the spring with the centering discs in the piston and place the wh...

Страница 34: ...er with a washing bottle or with an ultrasonic bath insert the sealing disc which is next to the ring marker then insert the sapphire seat with the polished side toward the ruby ball place the ruby ba...

Страница 35: ...SDS 9414i HPLC Pump Version 2 2 July 2007 Page 35 45 Picture 9 Check Valve Cross Cut 1 PEEK sealing ring 2 Valve bearing with ring marker 3 Sapphire seat 4 Ruby ball 5 Check guide made of ceramic...

Страница 36: ...g RS232 serial control See below for further information on Serial Control Press the PROG key again The following is displayed Please refer to 7 3 POWER DOWN FEATURE for further information Press the...

Страница 37: ...e next menu screen The Head Parameter is Press the PROG key to switch to the next menu screen The Head Span is Press the PROG key to switch to the next menu screen The Head Parameter is Press the PROG...

Страница 38: ...he next menu screen This display marks the end of the instrument parameters Press the STOP key to switch to the next menu screen With the PURGE function p and q keys you can reset the pump s memory On...

Страница 39: ...uses the following communication parameters for serial control Baud Rate 9600 Data Bits 8 Stop Bits 1 Parity None Flow Control None 10 2 COMMAND LIST All serial commands are sent as ASCII strings par...

Страница 40: ...te This byte can be either 80 for starting the pump or a 00 for stopping it Byte 4 5 Flow Rate These two bytes set the flow rate of the pump The value is scaled from 0x0000 to 0x0C80 where 0xC80 is eq...

Страница 41: ...as a length of 4 bytes Byte 2 Pump Status This states the pump s status Bit Value 7 Remote start accepted 1 TRUE 6 Not used 5 Pressure Failure 1 TRUE 4 Not used 3 Not used 2 Pump Head mounted 1 TRUE 1...

Страница 42: ...As before the command is terminated with a The Synchronization Command is sent to the pump after sending the Flow Rate Start STOP command described above This is necessary for the pump to actually ex...

Страница 43: ...ews f Pump Head M4x40 20 30 001 Check Valve Cartridge Complete 26 01 035 Ferrule PEEK 25 01 049 Thrust Bolt Stainless Steel 24 10 009 Sealing Ring Relief Valve Zalak 24 10 008 Sealing Ring Relief Valv...

Страница 44: ...26 01 038 Suction Valve Housing PEEK 26 01 039 Pressure Valve Housing PEEK 21 90 059 Capillary Damping Plunger PEEK 21 90 035 Drain Capillary PEEK 21 90 054 Capillary Relief Valve PEEK 26 01 072 Block...

Страница 45: ...Micro 20 20 019 Ceramic Plunger Micro 11 2 8 MICRO STAINLESS STEEL Catalog No Part 20 20 040 Pump Head Micro Stainless Steel Complete 25 01 070 Pump Head Micro Stainless Steel Body 11 2 9 MICRO PEEK C...

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