Cole Parmer 75211-30 Скачать руководство пользователя страница 7 | Manualshive

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Cole-Parmer Instrument Company

Manufactured by:

Barnant Company

Page

7 of 24

Barnant Company

y

28W092 Commercial Avenue

y

Barrington, IL U.S.A. 60010-2392

847-381-7050

y

800-637-3739

y

847-381-7053 (Fax)

e-mail:

[email protected]

y

Web Site: http//www.barnant.com

Low Speed

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High Torque

Low Speed

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Med. Torque

Low Speed

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Low Torque

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Содержание 75211-30

Страница 1: ...n 75211 46 Controller only 75211 47 Motor only PROPRIEARY Information contained in this manual is proprietary to the BARNANT COMPANY division of COLE PARMER INSTRUMENT COMPANY INC No reproduction for...

Страница 2: ...LIBRATION 22 FUNCTIONAL TESTS 23 ASSOCIATED DOCUMENTS 25 INTRODUCTION Service for this product is performed at three levels the customer distributor COLE PARMER and factory depot repair This manual de...

Страница 3: ...air procedures section details disassembly and assembly procedures After repair the product should be calibrated and checked for proper performance Please refer to the operator s manual for A Applicat...

Страница 4: ...ecommended B Do not inadvertently short any part of the printed circuit card to ground as severe damage will result FUNCTIONAL DESCRIPTION The Masterflex digital pump drive dispensers deliver accurate...

Страница 5: ...sure is connected via a flat ribbon cable to the control board The membrane keypad which also contains the annunciator LED s is secured to the front of the enclosure with pressure sensitive adhesive T...

Страница 6: ...D33 and Q9 conduct during the other half Reversals of the line voltage force the conducting SCR to commutate off Since switching is at zero voltage during line cross there is no flyback pulse from th...

Страница 7: ...y Page 7 of 24 Barnant Company y 28W092 Commercial Avenue y Barrington IL U S A 60010 2392 847 381 7050 y 800 637 3739 y 847 381 7053 Fax e mail barnant barnant com y Web Site http www barnant com Low...

Страница 8: ...y Page 8 of 24 Barnant Company y 28W092 Commercial Avenue 847 381 7050 y 800 637 3739 y 847 381 7053 Fax e mail barnant barnant com y Web Site http www y Barrington IL U S A 60010 2392 barnant com Med...

Страница 9: ...s interrupted by slots in an encoder wheel attached to the motor shaft The IR sensor output is filtered by C37 C67 and C66 The offset is removed by C68 and level shifted by R125 and R127 U12C compares...

Страница 10: ...d the SCR firing angle fire_cnt is subtracted from the average count of the processor clock per line cross avg_clks This sum is then added to the existing counter value TIC2 to generate the value of t...

Страница 11: ...es A PWM signal proportional to motor speed from pin 25 of the microprocessor U8 is low pass filtered by a three pole Bessel filter with a 10 Hz bandwidth formed by U4B The output is used for both an...

Страница 12: ...d 24 Vdc is generated by filtering C49 a full wave rectified D22 D25 center tapped secondary winding output of T1 A double isolated transformer T1 is required to avoid ground loops and for safety as t...

Страница 13: ...gh F show currents through the switch Q1 diode D1 inductor L2 and capacitor C2 The average value of current through the inductor L2 must always equal the dc load current The current through L2 ramps u...

Страница 14: ...TING Repairs on this unit are confined to either the unit s Main PCB assembly and or drive motor assembly Barnant Company y 28W092 Commercial Avenue y Barrington IL U S A 60010 2392 847 381 7050 y 800...

Страница 15: ...in PCB replace main PCB assembly 3 wrong fuse installed check fuse rating MOTOR WILL NOT REVERSE 1 defective main PCB replace main PCB assembly 2 defective keypad replace keypad MOTOR WILL NOT RUN DIS...

Страница 16: ...RR9 EEPROM write verify error LOSS OF SPEED CONTROL ERROR 1 DISPLAYED 1 motor undershoot no tubing in pump press any key to clear error 2 defective main PCB encoder circuit replace main PCB assembly 3...

Страница 17: ...re replace keypad assy 2 defective main PCB PROM replace PROM main PCB assembly FOR ADDITIONAL INFORMATION REGARDING YOUR UNIT PLEASE REFER TO THE OPERATOR S MANUAL REPAIR PROCEDURES TO DISASSEMBLE UN...

Страница 18: ...sink assembly to heat sink bracket B Remove all cables and wires from PCB TO REPLACE PROM NOTE The part is in a 44 pin PLCC socket but requires an extraction tool to avoid damage to the socket and fir...

Страница 19: ...the correct firmware is installed Follow the steps outlined in TO REPLACE PROM B Note that SW1 on the Main Control PCB is set for the correct line voltage 115 V 230 V C Note wiring of Main Control PCB...

Страница 20: ...ED 11 conductor flex tail from Keypad J2 3 Switch 7 conductor flex tail from Keypad J3 4 Shield ground flex tail from Keypad Secured and grounded to Display PCB with screw B Secure Display PCB with 4...

Страница 21: ...PTION BARNANT part Detachable power cord 115 Vac USA B 3115 C P 50001 68 Detachable power cord 230 Vac EUROPEAN B 2938 C P 50001 70 Display PCB Assy Console Drive D 2974 Display PCB Assy Modular Drive...

Страница 22: ...60Hz or 230 VAC 50Hz appropriate for unit being tested 1 03 Foot switch C P Cat 7595 42 or Remote Control C P Cat 7592 83 2 00 TESTING 2 01 Plug controller into the variac set to 115 volts ac or 230 v...

Страница 23: ...and RPM indicators remain lit 2 09 Press START and then press until display reads the maximum setting Using the hand tach verify motor runs within the specified tolerance NOTE Motor should be rotatin...

Страница 24: ...2972 Modular Drive Display PCB Schematic D 3035 Operator s Manual 75211 30 35 A 1299 0853 75210 40 45 A 1299 0854 The following documents may be of help and are included for reference Chassis Assy Dwg...

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