CAS NC-I Manual de usuario

TECHNICALSPECIFICATION............................................4

1. BLOCK DIAGRAM ..............................................................5

2. CONNECTOR DIAGRAM..................................................6

3. TEST MODE............................................................................7

4. CALIBRATION MODE........................................................9

5. SET MODE ............................................................................14

6. PROGRAM DOWNLOAD................................................19

7. SCHEMATIC DIAGRAM..................................................22

8. PCB BOARD DIAGRAM...................................................26

9. DEVICE OF SPECIFICATION........................................29

10. ERROR MESSAGE...........................................................50

11. PARTLIST............................................................................53

12. EXPLODE VIEW...............................................................83

CONTENTS

TECHNICAL SPECIFICATION

Max Capacity 20 kg 30 kg 50 kg 100 kg 200 kg 500 kg

Kilogram

Division 10 g 10 g 20 g 50 g 100 g 200 g

Max Capacity 250lb(125kg) 500lb(250kg) 1000lb(400kg)

U.S.A

version Division 0.1lb(0.05kg) 0.2lb(0.1kg) 0.5lb(0.2kg)

Max Capacity 250lb 500lb 1000lb

Pound

Division 0.1lb 0.2lb 0.5lb

A/D Speed 20 times/second

Tare Subtraction Full Capacity

Display below zero “-“ minus sign

Excessive Weight Maximum + 9d (display “OUEr”)

Weight Display Type LCD (5 digit + Sign, 1 Inch Height)

Character Display ZERO, TARE, BAT, POWER, CHARGE

Keys ON/OFF, ZERO, TARE, kg<->lb(HOLD)

Battery 7.2V , 2A (Li - ion)

Use the Backlight Not use the Backlight

0.45 W 0.17 W

Power and Battery

consumption

Approximate 22 Hours Approximate 58 Hours

Operation Temperature -10℃~ 40℃

Rechargeable Current 150㎃~ 680㎃

Rechargeable Adapter 110/220VAC 12V, 1.5AH

Rechargeable Time 4 ~ 5 Hours

WEIGHT 5.5kg

1. BLOCK DIAGRAM

MCU

(ADUC 845)

AMP/FILTER

(OPA2177)

LOADCELL

BATTERY

(7.2V,2000mA)

POWER

MANAGEMENT

32.768 khz

DISPLAY

(LCD)

DISPLAY-

DRIVER

(UPD7225G)

FIG 1. BLOCK DIAGRAM.

CONNECTOR DIAGRAM

2. CONNECTOR DIAGRAM

J1(CAL)

CN3(POWER&CHARGE)

CN7(DOWNLOAD) CN5(LOADCELL)

CN4

ER)

CN6

(LCD DATA)

CN1

(LCD DATA)

6100-PNC-0909-0

MAIN PCB

(REMOCON&POW

CN2

(REMOCON&POWER)

6110-PNC-0909-0

DISPLAY PCB

6171-PC5-6170-0

CHARGER PCB

CN2

(BATTERY)

CN3

(POWER&CHARGE)

CN1

(ADAPTOR)

SW5

(DOWNLOAD S/W)

6151-PNC-0420-A

(CAL PCB)

BATTERY

CAL ADAPTOR

CN1

(BATTERY)

FIG 2. CONNECTOR DIAGRAM.

3. TEST MODE

1. How to enter TEST mode

Pressing the ZERO key for 2 seconds in the normal mode, enter the test mode

with display the message TEST 1 Press the HOLD key or kg

◀▶

lb key to

execute the test mode. (‘TEST 2~5’is same sequence.)

I f press the ON/OFF key in the test mode, test mode is ended and then enter the

normal mode.

(Ref. You can’t enter the test mode while in the state of Hold or Tare.)

Test menu ( tESt 1~5)

TEST1 :DisplayTest

TEST 2 : Load Cell andA/D Conversion Test

TEST 3 : The IC(CPU) Temperature Test

TEST4 :BatteryTest

TEST5 :KeyTest

Available keys

KEY DESCRIPTION

ON/OFF KEY Exit Test mode and then enter the Normal mode key

ZERO KEY Use the backlight(only TEST 1) key or key

HOLD KEY or

kg ◀▶ lb KEY Move the next menu and then execute TEST Mode

TEST 1

FUNCTION : DISPLAY TEST

KEY LCD SCREEN DESCRIPTION

ZERO KEY : Backlight

HOLD KEY or

kg ◀▶ lb KEY

:executetest1

Display TEST 1 state

Display all digits on the screen

TEST 2

FUNCTION : Load Cell and A/D Conversion TEST

KEY LCD SCREEN DESCRIPTION

HOLD KEY or

kg ◀▶ lb KEY

:executetest2 24995

Display TEST 2 state

Display the digital value

Corresponding to current weight

TEST 3

FUNCTION : The IC (CPU) Temperature TEST

KEY LCD SCREEN DESCRIPTION

HOLD KEY or

kg ◀▶ lb KEY

:executetest3 24℃

Display TEST 3 state

Display the temperature of IC

[CPU]

TEST 4

FUNCTION : Battery TEST

KEY LCD SCREEN DESCRIPTION

HOLD KEY or

kg ◀▶ lb KEY

:executetest4

8.02

Display TEST 4 state

Display the current value of

battery

TEST 5

FUNCTION : Key Test

KEY LCD SCREEN DESCRIPTION

HOLD KEY or

kg ◀▶ lb KEY

:executetest5

PUSH

ZERO

Display TEST 5 state

Pressing the key to test shows

(Power, Zero, Tare, HoLd)

4. CALIBRATION MODE

How to enter calibration mode

1. Remove the sealing bolt on the rear panel and put the switch to CALON.

2. Turn on the power.

3. You can see ‘CZ ST’message.

4. Put the switch to CAL OFF and perform the sealing.

Calibration menu

CZ ST : Calibration & Set mode select

UNIT : Weight Unit Set

ZERO : Zero Calibration

MIN : Minimum Division Set

MAX : Maximum Capacity Set

BAL : Setting the Weight in Span Calibration

CAL0 ~ 3 : Span Calibration

CZ ST

Function : Calibration mode & Set mode select

KEY LCD SCREEN DESCRIPTION

ZERO :

Operate the Calibration

mode

TARE :

Operate the Set mode

CZ ST

UNIT

Function : Weight Unit Set (kg, lb, lb<->kg)

KEY LCD SCREEN DESCRIPTION

ZERO :

Increase the value

ON/OFF :

Save and go to next menu

Unit 0

Unit 1

Unit 2

Unit 3

0 : kg

1 : lb

2 : lb <-> kg (basic unit -> lb)

3 : lb <->kg(basic unit -> lb)

(only 1250lb, 1000lb<->400kg)

ZERO

Function : Zero Calibration

KEY LCD SCREEN DESCRIPTION

ZERO :

Start Zero Calibration

ON/OFF long :

Go to initial mode

HOLD :

Go to next menu

ZERO

out

55555

- qo -

Ready Zero Calibration

Go to initial mode

(“CZ ST”)

Auto detect zero A/D value(5EA)

Zero Calibration is done

MIN

Function : Minimum Division Set

KEY LCD SCREEN DESCRIPTION

ZERO : Set value change

(1.02.05.01.0)

TARE : Set value change

ON/OFF :

Go to next menu

HOLD : Operate the Span

Calibration

MIN

1.0

0.01

LoAd

1 lb

0.01 lb

Operate the Span Calibration.

MAX

Function : Maximum Capacity Set

KEY LCD SCREEN DESCRIPTION

ZERO :

Increase the value(1~9)

TARE :

Move the place(value*10)

ON/OFF :

Go to ‘MIN’ menu

HOLD :

Operate the Span

Calibration

MAX

500

LoAd

500lb

Operate the Span Calibration.

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