Chyo MJ-300, Instruction Manual

Page 1: ...MJ 300 MJ 500 MJ 3000 MJ 6000 Oh jo YMC CO LTD ...

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Page 3: ...read this instruction manual thoroughly It contains care and operating instructions as well as info mation about function and use of several unique features of your new balance TABLE OF CONTENTS STRUCTURE OF THE BALANCE 2 PACKING L ST 2 PANEL KEYBOARD 2 INST ALLA TlON 3 ABBREVIATED INSTRUCTlONS 3 PRECAUTIONS 4 DISPLAY MESSAGE 5 DESCRIPTlON OF FLNCTlON MENU 7 DESCRIPTlON OF FLNCTlONS 8 SAMPL NG INT...

Page 4: ...ance body 2 Pan holder 3 Weighing pan 4 AC adapter 5 Spare fuse IO 5A 6 Dust cover 7 Instruction manual 8 Screwdriver 9 Warranty card PANEL KEYBOARD MJ 3000 CD Max 3 1OO8 d 0 01 8 CD Stability control 1This indicator will be disappeared when the balance is stable ON ST AND BY Key CID Tare key Unit selection key CID Function key Print Key 2 ...

Page 5: ...ator on the display will appear Allow the balance to warm up for 30 minutes before calibrating ABBREVIATED INSTRUCTIONS 1 Place the balance on a level surface free from vibration and drafts Check the spirit level and adiust the leveling feet if necessary 2 Attach AC Adapter cord and then allow counting display 9999999 to CXXJOOOO Press the Ü J STBY key and wait 30 minutes to allow the balance to w...

Page 6: ... e The balance table should be level and free from excessíve vibration Iess than O 3m sec2 f Do not expose to direct sunlightor radiated heat keep away from windows heaters hot plates flames etc l Allow hot or cold sample or containers to come to ambient temperature before weighing h Discharge any statically charged sample before weighing i Do not expose the balance to corrosive gases 4 Magnetized...

Page 7: ...n replugged into the power source CAPAClTY ERROR sample exceeds balance capacity weighing pan or holder is out of place o I SAP 2 I STb 2 H ZERO INDICA TOR sign indiates display is stable at 011zero reading SAMPLlNG INTERV AL Displays selected sampling interval Integration Time See SAMPLlNG INTERV AL FUNCTION section page 9 5TABILlTY INDICA TOR COUNT Indicates selected stabilization requirements S...

Page 8: ...atescalibration sequenceis complete CALIBRATION ERROR Balance was unable to complete calibration sequence Check the CALIBRATION section page 11 UNIT SELECTION See UNIT SELECTION section page 12 OUTPUT DATA MODE See OUTPUT DA TA MODE section page 20 RS 232C MODE See DATA OUTPUT INTERFACERS 232C section page 18 BAUD RATE SPEED See DATA OUTPUT INTERFACERS 232C section page 18 AUTo ST ART MODE If auto...

Page 9: ...ress the TARE key Press the U key The display returns to the weighing mode if no operation is made for 3 sec See the appropriate section for further explanation of individual function 2l A g J FULLPOINT VALUE J u OUT I g JJ J p u rS 8 JiJ u rSS I 1 J u I O 7 ...

Page 10: ...dless of stability 4 Automatic output as soon as balance has stabilized 5 Automatic output regardless of stability 8nl 8 bit Non parity INTERFACE 8nl Note 5 7El 7 bit Non parity 1 2 1200BPS INTERFACE 2 4 2400BPS 1 2 Note 5 4 8 4800BPS ON Auto start is on MODE OFF Note 6 Auto start is off RemarksI Note 1 This function is used to select the best operative condition in order to be free from excessive...

Page 11: ... until the desired value is displayed STABILlTY INDICATOR FUNCTION STb This feature adjusts the stability indicator will disappear from the display fer different sample types and weighing conditions The weight reading should only be made when the stability indicator is not displayed This allows similar weight determinations to be made from sample to sample and user to user STb l reguires very stab...

Page 12: ... through SAP l3 Place a sample on the weighing pan H o o o Reading result will be frozen when H sign is appears on the display Remove the sample and press the TARE key If the sample is large the display will automatically return to zero after the sample is removed without pressing the TARE key For smaller sample press the TARE key to reset the display to zero 10 ...

Page 13: ... 2009 5009 or 3009 30009 or 20009 60009 or 50009 CALIBRA TlON PROCEDURE Check the spirit level of the balance and adjust if necessary Make certain the weighing pan is empty I CAL I CAL o Press the F key until CAL appears on the display Press the TARE key to start calibration Press the TARE key The balance automatically sets ZERO In case of MJ 3000 1 CAL OR CAL I PASS 3 O O O 2 O O O The balance wi...

Page 14: ...cessary_ See the STb section of this manual_ _ Make certain the weighing pan is empty and press the TARE key_ The balance display should read zero_ _ C arefully place an accurate test weight in the center of the weighing pan_ The correct weight of the test weight should be displayed If not recalibrate the balance_ MJ provides different weighing units and one basic unit grams for any user s demands...

Page 15: ... CHART F E _tl _ UNIT 2 Continuously press the U key until the desired nurrrer appears UNIT 1 Continuously press the TARE key until the desired number appears Press the F key to eonelude the UNIT SELECTION proeedure PARAMATER NUMBER CHART o gram 9 9 Carat C M Cancel Last Digit 9 A Momme mom kilogram kg B Taiwan Tael ti Pound lb C Singapore Tael ti Ounee oz D Hongkong Tael ti Toroyounee ozt E Peree...

Page 16: ...an To get the mast precise counting you should select the largest number of pieces possible for your standard Press the TARE key to memarize the number of sample pieces and their unit weight The display will flash until the balance has memorized this data Proceed with piece counting If the display shows a Lo message when pressing the TARE key the unit weight of the sample pieces is less than the b...

Page 17: ...rocedure on the previous page Place 15 more sample pieces on the weighing pan The display will show that there are 20 pieces on the pan Leave the 20 pieces on the pan and press the F key until 20 pes appears on the screen Press the TARE key to memorize the new number of sample pieces and the new unit weight Follow the same procedure to increase the standard to 100 or 1000 pieces NOTE The key is to...

Page 18: ...on the pan Percentage display is 100 00 for MJ 300 MJ SOO MJ 3000 and 100 0 for MJ 6000 MINIMUM WEIGHT OF THE 100 SAMPLE REQUIRED TO ESTABLlSH PERCENT WEIGHING MJ 300 MJ SOO MJ 3000 MJ 6000 WEIGHING MIXTURE MODE 19 19 lOg lOg This mode is used when you want to mix two samples together For instance when you add sample B to sample A to make a 100 mixture sample SompleB 40 SompleA 60 o O PCT First me...

Page 19: ...container on the weighing pan Press the TARE key and allow zero and to disappear from the display Remove a portion of the sample from the container The weight of the removed portion is displayed as a negative value For weight measurements below the balance there is an optional hanger OMJ l l Make certain the attachment wire is strong enough to support the sample weight Check an alignment of a hang...

Page 20: ...dapter cord when changing the boud rate INTERFACE RS 232C 11 Type 2 Method 3 Speed 4 System Half duplix transmission Speed 1200 2400 4800 bps Asynchronous system Start bit 1 bit Stop bit 1 bit Character length 7 or 8 bits 5 Error detection Non parity even parity 6 Signal Inside the balance SG Sign al Ground 2 SD Send Data 0 3 RD Receive Data 4 RST Request to Send 5 v 6 Print Switch 7 8 DTR Data Te...

Page 21: ...n stoble doto g grom other units 2 Exomple data outoput Grom weighing Configulotion of Receptocle pins Plug Circle type Minioture connector TCP8580 type Receptocle Circle type Minioture connector TCS7585o Dl 101 TOTAL 14 chorocters Percent weighing Piece counting 19 ...

Page 22: ...a sample on the weighing pan STEP 2 Press the P key The balance will output ale data as SOCX1 as the reading stabilized OUT 3 Transmits one data upon the print command even if the balance has not stabilized STEP l Place a sample on the weighing pan STEP 2 Press the P key The balance will output one data even if the reading has not stabilized OUT 4 Automatically transmits one data when the balance ...

Page 23: ...ripheral key board COMMAND CHART COMMAND ASCII FUNCTIONS Functions the same as pressing the P key the TARE key the U key the F key eCABLlNG DIAGRAMS For connecting a computer or a peripheral device to the balance BALANCE Pin No PERIPI ERAL Pin No 1 FG 2 SD 3 RD 4 RS 5 CS 6 DR Y 7 7 SG1 25 8 PIN MINIATURE CONNECTOR 25 PIN D SUB MINI CONNECTOR c J eQ o EXTERALPRINT KEY 21 ...

Page 24: ...rom the balance Loosen the 4 screws on top of the Balance Case Remove the Dust Ring from the Top Case Install the Air Shield Case by placing it squarely on the top of the balance Insert the Air Shield Under Panel squarely inside the Air Shield Replace the Dust Ring on top of the Air Shield Under Panel Replace only the 2 outside screws and tighten them snugly into place Replace the Weighing Pan and...

Page 25: ...le or floor is unstable or vibrating C Balance has improper original weighing pan Al Electronic failure A Weighing pan is not c1ear or properly placed B I Weighing pan is not empty C I Incorrect calibration weight used for calibration D Balance has improper original weighing pan 23 SOLUTION A Replace the fuse B Reconnect AC Adapter A Relevel and Recalibrate B Check the Tare C Don t weigh magnetize...

Page 26: ...xO OOOO5 82xO OOO5 165xO 005 8xO 00005 13xO 00005 82xO 0005 165xO 005 O oolg O Olg O lg 2 3sec 5ppm C 3ppm C 8ppm C Operalion 1O C 40 C Pan size 135mm 160x 160mm 210x 182mm 19 lOg Min percenl display 0 01 0 1 O Olg O lg 19 Max piece 31 OOOpcs 51 OOOpcs 31 OOOpcs 62 OOOpcs Sampuling number 5 20 100 or 1 000 pcs Dala output RS 232C standard accessory AC Adapter 220V 110V or other lOV 15V 50 60Hz Out...

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Page 28: ...YAte YMC CO Ltd Recrult MelJI selmel Buildrng 7th Floor 566 Toraya cho Karasuma Olke Sagaru Nakagyo ku Kyoto 604 Japan Phone KyotolO75 255 0141 Fax 075 255 0140 Telex 5423113 YMC J ...