Baxtran CWP User Manual Download Page 8

8

6.1.2

 The serial data (ASCII code) is transmitted in continuous mode by MCS-51 way 1. Every group 

of data has 17 frames including 1 frame of start character (02), 3 frames of state mark, 6 frames of data 
displaying, 6 frames of tare data and 1 frame of enter, as follows:

STX

State A

State B

State C

Displayed value

Tare value

Enter

STX:

   start character, 02H

State A:

   Control character for decimal point ( D7 refers to verification bit)

D7

D6

D5

D4

D3

D2

D1

D0

Decimal point place

0

1

0

1

0

1

0

Without decimal point

0

1

0

1

0

1

1

1-digit decimal

0.0

0

1

0

1

1

0

0

2-digit decimal

0.00

0

1

0

1

1

0

1

3-digit decimal

0.000

0

1

0

1

1

1

0

4-digit decimal

0.0000

V

e

ri

fic

a

tio

n

b

it

State B:

   comprehensive control character.

D7   verification bit
D6   0
D5   1
D4   1
D3   Dynamic mark bit

D3=0, stability;

D3=1, non-stability (dynamic)

D2   Overload mark bit

D2=0, normality;

D2=1, overload

D1   Positive and negative mark bit

D1=0, positive number; D1=1, negative number

D0   

Gross weight and net weight mark bit

D0=0, gross weight;

D0=1, net weight

State C:

   output space character

6.1.3

Every frame consists of 10 digits. The first is start bit, “0”. The ninth is stop bit, “1”.

One of the other eight is correction bit and the other seven are all data bits (from low to high), the format 
is as follows

No. 03
G=1.576 lb
T= 0.948 lb
N= 0.628 lb

Stop bit

D0

D0

D0

D0

D0

D0

D0

D0

Verification bit

Figure 6: Frame format

6.2

Ticket printing output

6.2.1

Option of the indicator data

This indicator can be matched to EPSON TM-U295 micro-printer. In order to match to the printer, set 
F1.5=0, and set F1.3 consistent to the printer. At this moment, if you press [P] key, the printer will print 
the ticket as the following format:

Start bit

No. 04
G=0.714 kg
T= 0.429 kg
N= 0.285 kg

When the weight unit is lb.

When the weight unit is kg.

Figure 7: Ticket printing format

USER’S MANUAL

CWP. Bench scale

Summary of Contents for CWP

Page 1: ...CWP Bench scale USER S MANUAL...

Page 2: ...2 Backlight selecting 13 Auto rectifying 14 Storage battery maintaining 15 Use guide 16 Data setting and calibrating 3 3 4 6 7 7 9 9 9 9 11 12 12 12 13 13 CONTENTS USER S MANUAL CWP Bench scale Discla...

Page 3: ...gnal input range 0mV 8mV 1 2 Zero point temperature drift 0 15 V C 1 3 Sensitivity temperature drift 10 ppm C 1 4 A D conversion resolution ration 500000 1 5 Display resolution ration 30000 1 6 A D co...

Page 4: ...ustable support Load cell input 7 core RS 232 Interface 5 core Power supply adaptor Battery switch Seal ring assembly PCB Indicator enclosure Indicator rear cover Storage battery Battery box cover Fig...

Page 5: ...gle cursor appears here See item 12 3 for details 7 CHARGE indicating symbol it is on when the battery is recharging 8 Auto Off indicating symbol When you switch on the auto shut off function the tria...

Page 6: ...pressing this key and the cursor on the screen will change from G to N At this time if tou remove the goods from the scale platform the screen displays a negative value Press this key again the displa...

Page 7: ...At this time if you press the selected falshing digit will change in 0 1 2 9 0 For example to input a group of digit 2345 Step 1 Press C the indicator display Note While inputing the digit first press...

Page 8: ...oad mark bit D2 0 normality D2 1 overload D1 Positive and negative mark bit D1 0 positive number D1 1 negative number D0 Gross weight and net weight mark bit D0 0 gross weight D0 1 net weight State C...

Page 9: ...ic weighing mode after power on 7 POWER ON OPERATION I O POWER You can convert between basic weighing and check weighing by pressing MODE key 8 TWO WEIGHING MODES SWITCHING MODE SET After power on the...

Page 10: ...and low limit value in percentage mode 10 4 1 After the target weight setup is finished and the indicator displays and if the item 10 4 2 can be met i e the absolute value of the value difference betw...

Page 11: ...splay between value difference display and normal display by pressing key and press once the display will be converted once It can reserve the shift mode unless the power supply is cut off 11 4 Three...

Page 12: ...will display At this time place a test weight or substitute on scale platform Because the division value and Max capacity are known the decimal point place need not to be considered So at this time o...

Page 13: ...horisation contact our sales agent in your area 15 7 If you need to re calibrate the indicator do it after the indicator is warm up for 30 minutes 15 USE GUIDE Forbid changing the data of the scale un...

Page 14: ...s less than REV2 0 you can only choose F1 2 3 F1 5 Serial output mode with 2 options F1 5 0 printing output printer model TM U295 F1 5 1 serial output F1 6 Selecting setup value from F1 1 to F1 5 with...

Page 15: ...ct Min display value via and then press ENTER to confirm ENTER T UNITS ENTER T If the version number is less than REV2 0 then the Max Capacity must be through digit keys The steps are as following 1 D...

Page 16: ...t this moment you can load test weights or substitute on the platform and press ENTER the indicator will display and then carry through countdown After the countdown is finished the whole calibration...

Page 17: ...main directory and subdirectory by Figure 12b Press to enter subdirectory and enter next main directory by confirming the last subdirectory T F1 F1 1 1 F1 2 1 F1 6 1 F2 F2 1 0 F2 F1 1 2 F2 1 0 F1 2 2...

Page 18: ...ER T UNITS F3 F1 Inputting or selecting Max capacity Selecting decimal point Confirming zero positioning Arbitrary point loading Fixed point loading d 1 Select 1 2 or 5 by Count down SCL 09 F3 Self te...

Page 19: ...19 USER S MANUAL CWP Bench scale...

Page 20: ......

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