Charder MS2500 Service Manual Download Page 7 | Manualshive

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Charder MS2500 Service Manual Download Page 7

6

WIRING

ACTION:

1.  Remove battery from the scale.
2.  Un-screw the lower housing.
3.  Remove upper housing.
4.  Make  sure  that  all  wire  connectors  are  well  and  that  no  insulation  material  is

touching the soldering contacts.

5. Make sure that all wires are connected to the correct points.

Wiring

Connector

RED (solder pad “E+”)

WHITE (solder pad “S+“)

YELLOW (solder pad “S-”)

Load cell wiring

(from junction board to
main board)

BLACK (solder pad “E-“)

Battery Wiring

CN 3

Power Wiring

CN 2

Main Board (CH-0733)

Power Board (CH-0689)

RS 232
connector

Control panel
connector

Load cell
connector

Power board
connector

Battery
connector

AC Jack connector (CN 1)

RS 232
connector

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Summary of Contents for MS2500

Page 1: ...SERVICE MENU CONFIGURATION 13 DEFAULT COMPANY SETTINGS 14 CALIBRATION PROCEDURE 15 PRINT FUNCTION INSTRUCTION 17 USING PRINT FUNCTION 18 SCHEMATICS MAIN BOARD CH 0733 21 LAYOUT MAIN BOARD CH 0733 24 S...

Page 2: ...east 30 seconds Ignoring any of these precautions could damage or cause destruction to the equipments GENERAL INSPECTION Inspect the scale assembly by checking the following Are there any unusual wear...

Page 3: ...Kg lb LCD Display 1 0 inch LCD display with 5 and 1 2 digits Dimensions Platform size 550 L x 550 W x 50 W mm Key Functions ON OFF UNIT HOLD BMI TARE Zero count 2000 9000 Span count 10000 13000 200kg...

Page 4: ...3 PANEL OVERLAY 1 NP 4444...

Page 5: ...new battery for operation 2 If the problem still persists inspect soldering of controller PCB or replace the controller PCB Scale zeroed under its initial balance 1 Check the load cell and its wiring...

Page 6: ...P 7 2 Check load cell for proper bridge resistances refer P 11 3 Replace load cell then re calibration the scale refer P 17 Zero count is more than calibration range i e 10 while power on 1 Make sure...

Page 7: ...e sure that all wires are connected to the correct points Wiring Connector RED solder pad E WHITE solder pad S YELLOW solder pad S Load cell wiring from junction board to main board BLACK solder pad E...

Page 8: ...nts when power on Solution Turn off the scale and take out the batteries from the scale Check LCD pin Please refer to above LCD FORMAT For instance if the top left arrow S1 disappears then check pin 1...

Page 9: ...Control panel switch damaged 2 Use multi meter to measure voltage current of control panel 3 Reconnect control panel switch Make sure that control panel is connected to the correct housing CN5 4 If pr...

Page 10: ...ch resistant on load cell should be same and the tolerance 1000 ohms ACTION 1 Remove power adaptor pin from the system check load cell for proper resistances 2 If load cell fails the above tests repla...

Page 11: ...y such adjustment Range Chart ZERO count must be within the range 6000 12000 if it s out of this range it need to be adjusted SPAN Count Range MODEL ZERO Count Range 200kg 500kg ZERO control R2 PCB Bo...

Page 12: ...dure ZERO Count value is successfully adjusted If the count is still below 2000 use metal resistor 100K on the R1 then check the ZERO count if the count moves over 9000 change the resistor to 50K or b...

Page 13: ...12 TROUBLESHOOTING TREE...

Page 14: ...o go back to main menu To save all changed setting please switch to END and press HOLD BMI 4key display to save and then scale will restart Example Press SEMI AUTO TARE key 3 times when display shows...

Page 15: ...tion 300 1 600 2 Weight Section Division Setting weight section division Filter Fast Normal Slow Auto Zero Tracking 0 25d 0 5d 1d 3d OFF Stable Range 0 25d 0 5d 1d 3d OFF Zero Range 2 or 100 Overload...

Page 16: ...ss the HOLD BMI key Press the TARE key The triangle will display in the upper left corner for kg calibration weight If the calibration weight is lb please press TARE key again and the triangle will di...

Page 17: ...t value 15000 20000 Press the HOLD BMI key The adjustment process is started When the adjustment is finished successfully the scale is automatically switched over to the weighing mode again and the ca...

Page 18: ...RATE 9600 bps PARITY CHECK no DATA LENGTH 8 bits STOP BIT 1 bit HANDSHAKE no or Xon Xoff DATA CODE ASCII ACTION 1 Make sure that all wires are connected to the correct points 2 Check parameters of RS...

Page 19: ...and taking BMI B Using Computer to print out the results After taking the weight and BMI please follow instruction below to print the results 1 Start Hyper Terminal Step 1 Click on Start Button Step 2...

Page 20: ...19 Step 8 Set Port Settings Set up as below BAUD RATE 9600 bps DATA BITS 8 bits PARITY None STOP BITS 1 bit FLOW CONTROL NONE or Xon Xoff Click OK button to complete the setting...

Page 21: ...0 Step 9 Print out the results After weighing and calculating BMI of the patient press the print button on the control panel of MS2500 The results will appear on the computer screen in the below forma...

Page 22: ...21 SCHEMATICS MAIN BOARD CH 0733 Main Board CH 0733 P 1 3...

Page 23: ...22 Main Board CH 0733 P 2 3 RS 232 OPTION...

Page 24: ...23 Main Board CH 0733 P 3 3...

Page 25: ...24 LAYOUT MAIN BOARD CH 0733 PRIMARY SIDE OF MAIN BOARD CH 0733...

Page 26: ...25 SCHEMATICS POWER BOARD CH 0689 LAYOUT POWER BOARD CH 0689...

Page 27: ...26 SCHEMATICS JUNCTION BOARD CH 0525 LAYOUT JUNCTION BOARD CH 0525...

Page 28: ...27 MS 2500 PARTS ASSEMBLY Please refer to P 30 for the list of spare parts...

Page 29: ...28 DP2701 NP 4444 INDICATOR PARTS ASSEMBLY Please refer to P 29 for spare parts list...

Page 30: ...90016001774 ZLC04389KG CH 0525 OVERLAY 060014000524 NP 4444 REV 004 300kg RECHARGEABL E BATTERY 020015000020 1 2Vx6 1200mA CONTROL PANEL 020009000076 NP 4381 REV 003 4key ADAPTOR 020018000072 AD 0482...

Page 31: ...rts Used in all models of MS2500 DESC P N DRAWING NR LENS 060007000100 LS 0911 REV 002 WIRE 020037000109 WR 8117 REV 001 WHEEL 050007000239 SS 2040 REV 001 RUBBER FEET 060004000486 SW 1121 REV 001 Fix...

Page 32: ...ION FOR REPLACING BATTERY 1 Remove the battery cover 2 Take the battery housing out 3 Replace new batteries 4 Make sure batteries are well installed 5 Reinstall the battery housing 6 Reinstall the bat...

Page 33: ...T MODE See P 16 Power on the scale 2 Long press ZERO key for 3 seconds to enter Gravity Compensation Mode Initially display will show G on Note If display shows G OFF press HOLD BMI button to change i...

Page 34: ...ity of Germany and press TARE Situation 3 The scale has been calibrated in France Paris and the place of use is also France Paris As the place of calibration and use is same thus there is no need to c...

Page 35: ...iguration Page 11 Calibration Pin Position Page 14 Pin out for RJ45 Female Page 15 Parameters of RS232 Interface Page 15 Using Print Function Step 1 9 Page16 Schematics Main Board CH0651 Page 19 Layou...

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