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Contacts us : email :

[email protected]

, Ph: 080-23481364

400

DEVICE ID

401

BAUD RATE

402

COM MODE

403

OFFSET

(LSB OF

OFFSET

)

404

OFFSET

(MSB OF

OFFSET

)

FOR READ OPERATION:

Request: Example -

Request for Resolution is 01 03 9C 41 00 01 D5CA

Device Id

Read

Command

Address

No. of

Registers

CRC

1 Byte

(01)

1 Byte

(03)

2 Bytes

(9C41)

2 Bytes

(0001)

2 Bytes
(D5CA)

Response: Example -

Response for Resolution is 01 03 04 00 02D9 84

Each request and response will end with CRC values.

FOR WRITE OPERATION:

Request: Example -

Request for write Cal-Capacity is 0106

9C 41

00 03

6E51

Response:

Response received is as same as that of request.

Device

Read

Command

No. of Bytes

to send

Data

CRC

1 Byte

(01)

1 Byte

(03)

1 Byte

(02)

2 Bytes

(0002)

2 Byte

(D984)

Device Id

Write

Command

Address

Data

CRC

1 Byte

1 Byte (06)

2 Bytes

2 Byte

Содержание WT-PP

Страница 1: ...loadcell com Ph 080 23481364 Weight Transmitter User manual Contact us EPOCH INSTRUMENTS AND CONTROLS PVT LTD No 16 Bhadrappa Estate 54 Magadi Main Road Kamakshipalya Bangalore 560 079 Ph 080 23481364 Email sales epochloadcell com ...

Страница 2: ...ght value during the main display 5 UP key To select next option and to increase or decrease values to reset the peak weight during the main display 6 Status LED s 7 Negative indication STATUS LED s Description Status VE To indicate the current weight is ve weight or ve weight ON ve weight OFF ve weight OPEN To indicate the Load error oPEn or To indicate the display weight is Peak weight or Curren...

Страница 3: ...0 02 FS Gain Drifting 2PPM C Conversion Rate 12 5 SPS Display Accuracy 1 30 000 Display Keypads LED Display 5 digits 7 Segment LED Display Keypads 4 Keys Menu Esc Key Enter Key Up Key and Left Key Load cells Excitation 5 V DC Mechanical Data Cabinet Size 129mm L 48mm H 96mm W Panel Cutout Details 45mm H 92mm W Net Weight 200 gm Environmental Operating Temperature 10 C to 40 C Storage Temperature 2...

Страница 4: ...essing the key continuously for 2 sec Calibration accesses through hardware lock protection Please connect and short pin no 2 and 3 in rear panel to enable calibration Two different Load calibrations available AUTO MANUAL Difference in manual calibration User need to enter Known weight count without zero count as span count ...

Страница 5: ...d 000 and press ENTER TARE 2 Navigate to AUto or nAnUL and press ENTER TARE Two different Load calibrations available AUTO MANUAL Difference in manual calibration we have to enter the span count Known weight count 3 Navigate to Maximum Capacity n CAP and press ENTER TARE Enter the max capacity of load cell within the range 0 01 999 99 E g 020 00 4 Navigate to Decimal Point d Pt and press ENTER TAR...

Страница 6: ...oAd and press ENTER TARE AUTO Place a reference weight on the load cell the LED displays ADC count corresponding to the weight E g 6081 MANUAL User need to enter Known weight count without zero count as span count Press ENTER TARE to set Cal Span Cal Span counts should be greater than Cal Zero 50 8 Navigate to load Capacity L CAP and press ENTER TARE Enter the reference weight that is used while c...

Страница 7: ...NTER TARE Here enter the weight value and then it gives the corresponding output 2 Navigate to Analog High A HI and press ENTER TARE The value which is going to send to DAC for 20mA has to be entered here Range is 0 to 6553 3 Navigate to Analog Low A Lo and press ENTER TARE The value which is going to sent to DAC for 0 mA or 4 mA has to be entered here If Analog selection is 0 20 or 0 10 then The ...

Страница 8: ... provides the Analog Output starts range Here user can set the positive or negative offset Before entering into A oFF press left key to Select positive pos or negative nEg analog offset nEg means ve LED will be On The available modes are If the offset is pos means then analog output range starts from positive 001 00 kg to analog span value If the offset is nEg means then analog output range starts...

Страница 9: ...ssword PASS and press ENTER TARE Enter the password you want to use using UP and LEFT keys and press ENTER key to store activate it This is three digit password Default password is 000 4 Navigate to Auto zero Aut 0 and press ENTER TARE The available Auto Zero value in engineering count value is from 0 to 9 If we enter 5 when weight is Zero if the current weight deviation from 0 value in either pos...

Страница 10: ... the system in case of multiple systems are deployed 2 Navigate to Baud Rate bAUd and press ENTER TARE It is used to set the communication between unit and host device It is settable between 2400 4800 9600 19200 38400 57600 115200bps 3 Navigate to Communication mode C nod and press ENTER TARE Available modes are o Request mode o Dump mode o ModBusRTU mode o ModBus ASCII mode Refer Serial Communica...

Страница 11: ...Original Calibration values are restored 3 Navigate to Load default L dF and press ENTER TARE It will ask the password to conform to load default On entering the correct password system asks confirmation If ENTER key is pressed System loads the factory set defaults to Calibration Analog setup Serial Communication setup and System check Parameters and also in to the memory 4 Navigate to Display che...

Страница 12: ...ow Control None Baud rate is settable under setup Request Mode If the Communication mode C nod under setup is rE9 then the below protocol will dump one time based on the request from PC Baud rate is settable under setup For Error condition weight value Over Range OR Weight value is 99999 Over Capacity OC Weight value is 88888 Under Range UR Weight value is 77777 Dump Mode If the Communication mode...

Страница 13: ...R WRITE OPERATION For ASCII mode write operation protocol the example format is given below Request Start Char Device Id Read Command Address Data LRC Stop Char 1 Byte 1 Byte 01 1 Byte 06 2 Byte 0064 2 Bytes 0000 1 Byte 95 1 Byte CRLF Response If the write operation is successfully done then the response will be same as that of request Modbus RTU Mode If the Communication mode C nod under setup is...

Страница 14: ...TY R W 3 102 DECIMAL POINT 0 3 R W 4 103 RESOLUTION 1 2 5 10 20 50 100 R W 5 104 CAL ZERO LSB OF CAL ZERO R W 6 105 CAL ZERO MSB OF CAL ZERO R W 7 106 CAL SPAN LSB OF CAL SPAN R W 8 107 CAL SPAN MSB OF CAL SPAN R W 9 108 CAL CAPACITY LSB OF CAL CAPACITY R W 10 109 CAL CAPACITY MSB OF CAL CAPACITY R W S NO ADDRESSES PARAMETER FUNCTION 1 200 ANALOG HIGH LSB R W 2 201 ANALOG HIGH MSB R W 3 202 ANALOG...

Страница 15: ...Byte 01 1 Byte 03 2 Bytes 9C41 2 Bytes 0001 2 Bytes D5CA Response Example Response for Resolution is 01 03 04 00 02D9 84 Each request and response will end with CRC values FOR WRITE OPERATION Request Example Request for write Cal Capacity is 01069C 41 00 03 6E51 Response Response received is as same as that of request Device Id Read Command No of Bytes to send Data CRC 1 Byte 01 1 Byte 03 1 Byte 0...

Страница 16: ... Load cell loose contact Check cable between load cell main PCB Over load stopper touching the Load cell Avoid over loading or check the Load cell Improper calibration Re calibration properly 3 Weight Variation Improper load cell connection Check the Load cell mounting ALLEN Screws Check whether any other material is touching the weigh platform Check whether over load stopper is touching the Load ...

Страница 17: ...or is displayed Or If the value of load cell under ranged ur is displayed 3 PASEr If the entered password was wrong then this error message will display Please enter the correct password 4 U Err If the entered value exceeds the limit then this error message will display Please enter the correct value 5 S Err If the entered cal span is not more than the cal zero 50 value then the system will displa...

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