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USER'S MANUAL UNIVERSAL CENTRIFUGE CENTRIC 150 

 

Page 9 

5.2 

SECURITY FUNCTIONS AND ERROR DETECTION 

 
 

In controller board are build several security functions in hardware and software level. 

Functions are active all the time to check if there is something wrong. In this case appropriate 
security procedure is taken. 
 
5.2.1  ROTOR BRAKING AT SWITCH ON TIME 
 
 

In case that rotor is turning in switch on time (power fail recovery for example) braking is 

activated until rotor stops. After that, cover mechanism is loosen and cover can be opened. 
 
5.2.2 COVER 

BLOCKING 

 
 

Safety cover mechanism disable cover opening if rotor is in motion. Opening is enabled 

only if rotor stops and there is mains supply present of course. 
  
5.2.3 ROTOR 

IMBALANCE 

 
 

If rotor or buckets are incorrect loaded or unbalanced, sensor detect swinging and activates 

braking procedure until rotor stops. 
 
5.2.4 ROTOR 

IDENTIFICATION 

 
 

After each start rotor identification is made and then short beep is activated. In case that set 

speed is greater than allowed for recognized type of rotor, speed is automatically limited according 
to level for this type. Graphics symbol for rotation blinks. 
 
5.2.5 MOTOR 

FAILURE 

 
 

In operating time motor behavior is observing. If there is any deviation from normal motor 

is switch off and error message is displayed. 
 

5.3 ERRORS 

 
 

Error detection is equipped with appropriate message on display or light and sound 

indicator. 
 

Light indicators: 

 

COVER: 

Light indicator blinks if cover is opened. Start is disabled. Short beep and 

"ERROR"

 message warns operator on failure 

IMBALANCE: 

Light indicator blinks if sensor detect rotor swinging. 

"ERROR 3" 

is 

displayed and braking is activated. 

Error messages: 

 

ERROR 1.0

 

Motor does not run 

ERROR 1.1 

Triac is defective ( open) 

ERROR 1.2 

Opto sensor is defective 

ERROR 1.3 

Error during braking process 

ERROR 1.4 

Acceleration too fast ( no rotor mounted) 

ERROR 1.5 

Speed too high during slowing down ( triac shorted) 

ERROR 1.6 

Speed too high ( triac shorted) 

ERROR 1.7 

Deceleration too fast 

Содержание CENTRIC 150

Страница 1: ...AL LABORATORY CENTRIFUGE CENTRIC 150 Domel d o o Otoki 21 4228 Železniki Slovenia BU Laboratory systems Na Plavžu 79 4228 Železniki Tel 04 5117 500 Fax 04 5117 501 Internet www tehtnica si Edition Month Year 2 January 2011 ...

Страница 2: ...6 4 5 CALCULATING MAXIMUM ROTOR SPEED 7 4 6 ROTORS AND ACCESSORIES 7 5 0 CENTRIFUGING 8 5 1 CENTRIFUGE CONTROL 8 5 2 SECURITY FUNCTIONS AND ERROR DETECTION 9 5 2 1 ROTOR BRAKING AT SWITCH ON TIME 9 5 2 2 COVER BLOCKING 9 5 2 3 ROTOR IMBALANCE 9 5 2 4 ROTOR IDENTIFICATION 9 5 2 5 MOTOR FAILURE 9 5 3 ERRORS 9 5 4 USER INTERFACE 10 5 4 1 LC DISPLAY 10 5 4 2 LIGHT INDICATORS 10 5 4 3 KEYBOARD 11 5 5 S...

Страница 3: ... further Do not mix the same type accessories from other manufacturers Each set is balanced so it mast be used as set It s recommendable the centrifuge is checked from qualified person at least every 6 months WARNING There are no serviceable parts inside device replaceable by user Do not move the centrifuge during rotor is turning 2 0 GENERAL INFORMATION 2 1 DEFINITION CENTRIC 150 benchop centrifu...

Страница 4: ...Isolation category I Surrounding temp range 2 C do 40 C Relative humidity do 85 RPM range 500 do 13000 RPM set in 100 RPM steps Timer 0 1 to 60 min in 0 1 min steps Acc Deceleration 1 to 9 levels Operating temperature DIN 58970 RFI protection VDE 0875 N Communication RS 232 RS 485 option Max load 8x15 ml 12x12 ml 24 x 0 25 ml 24x1 5 ml Dimensions 235 x 280 x 320 mm Mass 14 5 kg Packaging 268 x 374...

Страница 5: ... accessories to prevent injury and damage Do not place it near heating elements 3 2 ATTACHING THE POWER CORD Fit the mains cord which is included in the delivery in to mains receptacle Connect the other end of the cord to a grounded wall socket protected with 16A fuse look at chapter 2 3 3 3 PRIMARY EQUIPMENT Following equipment is enclosed to centrifuge User s Manual Warranty Special wrench for r...

Страница 6: ... rotor stops 4 0 ROTORS AND ACCESSORIES 4 1 ROTOR FIXING Open the cover and switch off main switch Put rotor on the motor perch and fix it with screw Make this carefully and with appropriate force Use special wrench delivered in package WARNING Before fixing the rotor on motor perch be sure that all fixing surfaces are smooth without any damage 4 2 ROTOR REMOVING Open the cover and switch off main...

Страница 7: ... look at figure 4 Test tubes must be filled with the same quantity of samples to avoid imbalance and possible damage SAMPLES OF CORRECT AND INCORRECT ROTOR LOADING figure 4 4 4 CRITICAL SPEED Each rotating body has critical speed with resonance So take care about this Rotors are precisely balanced but little difference in loading can cause this resonance Do not use critical speed for regular work ...

Страница 8: ...llowing equitation M 1 2 n2 S 1 2 M Reduced maximum speed n Maximum rotor speed for examples with 1 2 g cm3 density S Example density 4 6 ROTORS AND ACCESSORIES Rotor RA 12 12 Code 455 260 Adapter code set 12 455 259 455 258 Volume ml 15 12 7 5 No positions 6 12 12 12 Dimensions of test tube D X L mm 16 x 120 Falcon 16 x 100 Vacutainer 12 x 100 12 x 75 Vacutainer Max radius mm 100 100 98 85 Max sp...

Страница 9: ...otor HEMATOCRIT measure plate Code 455 290 Volume ml 24 capillary 1 2 x 75mm Max radius mm 92 Max speed min 1 13000 Max centr accel g 17380 Max kinetic energy 3245 Nm table 4 5 0 CENTRIFUGING 5 1 CENTRIFUGE CONTROL Microprocessor controller board supervise all functions in device Regulate motor speed read keyboard display all necessary parameters and control all security functions Operator manage ...

Страница 10: ...ch start rotor identification is made and then short beep is activated In case that set speed is greater than allowed for recognized type of rotor speed is automatically limited according to level for this type Graphics symbol for rotation blinks 5 2 5 MOTOR FAILURE In operating time motor behavior is observing If there is any deviation from normal motor is switch off and error message is displaye...

Страница 11: ...of parameter left and up figure 6 On display is displayed only one graphic symbol with appropriate numeric value During self testing all symbols are displayed for one second switch on time Symbol TEMP is not used for this type of device Symbol is selected by keys UP and DN So operator can select timer rotation speed or acceleration deceleration level to be displayed Displayed parameters present mo...

Страница 12: ...With keys UP and DN set new value If you do not press mentioned key in five seconds auto exit from setup procedure is activated When you change parameter value message SET stops blink Longer press on keys UP and DN activate auto repeat functions with special features When ones rich value zero then is activated changing by ten until key is pressed You leave set procedure by pressing key SET again I...

Страница 13: ...deceleration light indicator RUN blinks In centrifuging time cover is blocked Activation has two possibility short press on key START STOP activate normal operation long press on key START STOP more than 1 sec activate MOMENTARY operation until key is pressed On display is displayed time in seconds if symbol for time is selected When centrifuging is finished automatically or manual braking is acti...

Страница 14: ...ng chemical very reactive solutions in places where are stored inflammable or explosive substances in places where are patients or other not qualified persons 7 0 POWER INTERRUPTS When power interrupt occur cover is blocked and rotor stops freely If power interrupt is short few seconds so that rotor is still turning when mains supply comes back braking is activated chapter 5 2 1 Cover mechanism ca...

Страница 15: ... centrifuge must be decontaminated For this purposes use only neutral solutions pH 7 8 like INCIDUR or ZLATOLAB ENDO SEKUSEPT EXTRA by HENKEL Ecolab d o o For quick decontamination use INCIDES handkerchiefs Also is allowed use of alkaloid spray After decontamination all parts must be dried For rotor and test tube holders is allowed autoclave 120 C decontamination Before using any cleaning or decon...

Страница 16: ...47 2500 698 3000 1006 3500 1370 4000 1789 4500 2264 5000 2795 Rotor RA 24M 1 5ml tubes 0 25ml tubes RPM RCF x g RPM RCF x g 1000 89 1000 73 2000 358 2000 290 3000 805 3000 654 4000 1431 4000 1163 5000 2236 5000 1817 6000 3220 6000 2616 7000 4383 7000 3560 8000 5724 8000 4651 9000 7245 9000 5886 10000 8944 10000 7267 11000 10822 11000 8793 12000 12880 12000 10464 13000 15115 13000 12280 ...

Страница 17: ...5000 1956 5000 2236 6000 2414 6000 3220 6000 2817 6000 3220 7000 3287 7000 4383 7000 3835 7000 4383 8000 4293 8000 5724 8000 5008 8000 5724 9000 5433 9000 7245 9000 6339 9000 7245 10000 6708 10000 8944 10000 7826 10000 8944 11000 8117 11000 10822 11000 9469 11000 10822 12000 9660 12000 12880 12000 11269 12000 12880 13000 11337 13000 15115 13000 13225 13000 15115 Hematocrit rotor RPM RCF x g 1000 1...

Страница 18: ...andards EN 61010 1 2010 EN 61010 2 020 2006 2 Directive 2014 30 EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to electromagnetic compatibility Standards EN 55011 2009 EN 55014 1 2006 EN 55014 2 2015 EN 61000 3 2 2014 EN 61000 3 3 2013 EN 61000 6 1 2007 EN 61326 1 2013 3 Directive 2006 42 EC of the European Parlia...

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