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DINGSONG DS822-A8KTF Operation Instruction Manual Download Page 34

32 

IX. Appendix 

Appendix 1 Top Loose Communication Protocol 

The  loose  communication  protocol  is  a  master-slave  protocol  based  on  Ascii  code  bytes. 

Each  lower  computer  (instrument)  has  a  unique  address,  and  the  upper  computer  sends 

instructions to the lower computer at the specified address. After receiving the instructions, the 

lower  computer  returns  the  corresponding  information  if  the  verification  is  correct.  After 

receiving the correct answer, the upper computer will process it. If it is not received for a certain 

period of time, it will be regarded as communication timeout. 

1. Format of protocol data frame 

Whether  it  is  the  upper  computer  or  the  lower  computer,  the  data  of  each  frame  has  the 

same structure as the start byte and the end byte, as shown in the following two sections. 

1.1 upper computer sends data frame format 

Frame 

1 

2 

3 

4 

5 

6 

symbol 

XON 

ADDR 

CMD 

DATA 

CHK 

XOFF 

meaning 

leading 

flag 

address 

order 

data 

check 

End mark 

Number 

of bytes 

1 

1 

1 

n 

1 

1 

numerical 

value 

0x02 

A-Z 

A-Z 

* 

* 

0x03 

Table 9.1 data frame format of upper computer transmitter 

The first part (Xon), fixed at 0x2, indicates the beginning of the data frame. 

The second part (addr) is the instrument address. The value range is A-Z of the ASCII code, 

corresponding to 1-26 of the corresponding address parameter. After receiving the command, the 

lower computer will distinguish whether the local data is based on the address. 

In part 4 (data), the number of bytes is uncertain. Most commands are 0 bytes. 

The fifth part is the check code, which takes up one byte 

XOR all byte data before the check code of this data frame, and then carry out or operation 

with 0x40, that is 

(CHK) = (XON) xor (ADDR) xor (CMD) xor (DATA1) xor (DATA2) xor 

…

  xor (DATAn) or (0x40) 

Part 6 (XOFF), end of data frame marker. 

 

2.1 format of response data frame 

Frame 

1 

2 

3 

4 

5 

6 

symbol 

XON 

ADDR 

CMD 

DATA 

CHK 

XOFF 

meaning 

leading 

flag 

address 

order 

data 

check 

End mark 

Number 

of bytes 

1 

1 

1 

n 

1 

1 

Summary of Contents for DS822-A8KTF

Page 1: ...DS822 A8KTF AX00 Hangzhou dingsong automatic control equipment co ltd Zhe 00000505 operation instruction Chinese version V1 1 2 Multifunctional programmable weighing controller ...

Page 2: ...sword login 13 5 5 F parameter setting and lookup table 13 5 5 P parameter setting 17 VI Weighing and calibration of instruments 18 6 1 Physical calibration 18 6 2 Calculation method calibration 19 VII Setting of other working parameters 21 7 1 Parameter setting and protocol of full function communication port 21 7 2 High speed pulse input port as large screen output port 22 7 3 High speed pulse i...

Page 3: ...cells at the same time which can be used as double scales 5 Two communication interfaces One is RS485 interface which is fixed to the standard Modbus RTU protocol with baud rate of 38400 and can be connected to the display panel produced by our company or other brands of touch screens The other path can be connected with RS485 RS232 signals Communication mode address and baud rate can be set Top l...

Page 4: ...0 240V 50 60Hz 8 Service temperature 10 40 9 Relative humidity 90 10 Overall dimension of main engine 176 85 71 11 Dimension of display panel 160 85 30 II Structural dimensions of main engine and accessories 2 1 Installation Dimension Drawing of Host Figure 2 1 installation dimension of main engine 2 2 Installation dimension drawing of display panel Figure 2 2 installation dimension of display pan...

Page 5: ... other interfaces such as switch output port power input port high speed pulse input port weighing sensor interface full function communication port etc 3 1 1 a side of instrument host panel Fig 3 1 function diagram of a side of host panel 3 1 2 B side of instrument host panel Relay output port totally 5 groups of 18 channels C1 C5 indicates the common end of this group Panel touch screen communic...

Page 6: ... two stability indicators two rows of input and output indicators Front display panel 2 1 Figure 3 3 function diagram of display panel front 3 2 2 display panel back Set key Lower row display Six nixie tubes administer Upper row display Eight nixie tubes Weighing indicator light Output indicator lamp Power input port AC85 265V High speed pulse input port Input port of 1 load cell Input port of 2 l...

Page 7: ... common terminal com is not connected to any electrical node in the instrument and the power supply positive V and power negative V are led out internally According to different needs the common terminal can be connected to V or V or not Each input port can be connected with button trigger switch relay contact point proximity switch etc DC voltage signal 6 24 V can also be input See the figure bel...

Page 8: ...can be directly connected to low power resistive loads and low power AC DC inductive loads such as AC contactor and DC contactor See the following figure for the wiring method If the load power is large please relay in series to prevent the instrument from being damaged Figure 4 5 Schematic diagram of relay output connection 4 3 Connection method of high speed pulse input port in pu High speed Thi...

Page 9: ...r details Figure 4 7 Schematic diagram of connection of large screen display Note Two large screens can also be connected in parallel for example the two input lines of two large screens can be connected in parallel in the left figure 4 5 Connection method of load cell in pu t weighing cell This instrument has two high precision AD channels which can be connected to two weighing sensors at the sam...

Page 10: ...ignal at a long distance the instrument and the sensor can be connected with a 6 wire system long line compensation mode and the sensor should adopt a 6 core shielded wire and it should be wired separately from the lines with strong interference power equipment wiring etc and AC lines see figure 4 8 below 4 5 3 Four wire connection method of load cell If the distance is close 4 wire connection met...

Page 11: ... communication port compatible with RS485 and RS232 at the same time The communication mode address and baud rate can be set Top loose protocol standard Modbus RTU protocol and a variety of continuous transmission modes can be selected It can communicate with computers PLC and other devices Note When the 2 communication port is set to Modbus RTU protocol it has the same function as the 1 communica...

Page 12: ...ach key has two operations short press and long press When a key is pressed the buzzer will sound short and then releasing the key is short press If you press and hold a key for more than 2 seconds It is a long press when the buzzer is released after a long sound If it is still not released at this time it will enter the button continuous operation mode The functions of the six setting buttons are...

Page 13: ...that the instrument has not entered any menu after being powered on 3 The key operations in this chapter are uniformly expressed by big square brackets and key names such as Enter and Pxx Unless otherwise specified key operation refers to short press If it is long press it will be marked such as long press Fxx 3 In this chapter the corresponding digital tube displays are uniformly displayed with s...

Page 14: ...ase in turn See the following table for details seri al numb er Operation item Login password level No login user admin istra tor factor y 1 Zero and tare operations 2 And view and modify non regulatory p parameters 3 And view and modify control p parameters 4 View and modify f parameters 5 Check the second display content 6 Weighing 7 Process start and stop 8 Initialize instrument 9 Set a timed s...

Page 15: ...cessful If the input password is wrong err will be displayed and after 1 second it will automatically exit and enter the weighing display state Table 5 4 Specific Operation Steps of Password Login Note After the power is turned on again you will automatically log out of the login state If you need to operate the corresponding items again you need to log in again If you need to log out of the logge...

Page 16: ...ssword see section 5 4 for details F01 d 010 Grading value 01 02 05 10 20 50 100 optional F02 p 0 If the number of decimal places 0 4 optional of the weight exceeds the error code Error 08 will be displayed F03 3 0 0 9 0 The full scale value of the scale factory default value 030090 F04 r o x y 0 Cannotbesettozero1 1 2 2 3 5 4 10 5 20 6 50 7 100 X auto zeroingrangeatpower on percentageofthefull sc...

Page 17: ...nal Switch the two groups of sensors through the key The display 1 indicates the millivolts of the first group of sensors The display 2 indicates the millivolts of the second group of sensors See section 8 1 for details F14 test dsp Display test F15 o 000000 Test output port F16 tst psul Test pulse input port F17 d current date F18 T current time F19 LINE Set workflow number factory default 00 mea...

Page 18: ...tional instrument F28 s s i o Test communication port see section 8 1 for details F29 A8 The version number is displayed and other relevant contents are displayed in the order of input F30 r c a l See calibration results calculation method weight calibration After pressing Enter the lower row displays tar 1 and the upper row displays the tare weight of No 1 scale After pressing input the lower row...

Page 19: ...y pressing the key At this time the label of the current f parameter will flash in the lower row 2 After selecting the corresponding P parameter press the Enter key again to enter the corresponding parameter modification operation At this time the lower row does not flicker while the upper row parameter content flashes which can be modified by the four keys of 3 After modification press the Enter ...

Page 20: ...1 0 2 Filter coefficient of scale 7 f10 0 2 Determination of stable time 8 f11 1 0 Judging the scope of stability Table 6 6 related weighing parameters 6 1 Physical calibration The physical calibration is divided into two steps The first step is zero point calibration and the second step is loading point calibration Weighing calibration operation is a user 1 level or above project you must use the...

Page 21: ... in the upper row input F12 000000 When loading the scale will flash on the right directio n key F12 001000 Input the weight of the object through the direction key Here take 1000 as an example input 1000 1 Scale calibration is successful Table 6 3 steps of loading point calibration 6 2 Calculation method calibration The calibration of calculation method can be completed by parameter F30 The calib...

Page 22: ...ight of scale 2 directio n key tare 1 0000200 Take 200 as an example input r 1 010000 0 Set the calibration coefficient of 2 scale directio n key r 1 012000 0 Take 12000 0 as an example input F30 r cal Calculation method calibration is set successfully Table 6 4 Steps of Calculation Method Calibration Note Tare refers to the tare value of the empty scale When the empty scale display is not 0 this ...

Page 23: ...type Communication mode F06 Communication data format remarks data bit Check digit mode Stop bit Top loose agreement 0 7 bit ASC code 1 bit even check 1 The protocol is command response When F06 3 check word chk is not checked when receiving data See Appendix 1 for details 1 7 bit ASC code 1 bit odd check 1 2 8 bit ASC code No check 1 3 7 bit ASC cod e 1 bit even check 1 Continuous transmission mo...

Page 24: ...the wiring method for details Section 4 4 When using the company s big screens if two big screens are connected each big screen can automatically identify its corresponding display variables see the instruction manual for the setting of the serial number of the big screen so as to realize the functions of displaying 1 variable on the 1 big screen and 2 variable on the 2 big screen such as one gros...

Page 25: ...arrow keys enter the new password again to verify the consistency input F00 ok1 OK1 is displayed indicating that the user password has been successfully modified After displaying for 1 second it will automatically exit to the weighing display state If it is inconsistent with the password entered for the first time the previous step will still be displayed Table 7 3 Modification Steps of Login Pass...

Page 26: ...id after the process is started they are still valid when the process is stopped Note If the password of User 1 or above is logged in there is a fixed second display in the lower row which indicates the working state of the current process executor which is convenient for process debugging The secondary display and the second secondary display are switched in turn every time the Display key is pre...

Page 27: ...dentification on the panel of the host In some special cases such as the input and output ports corresponding to the working process are damaged but the host has idle input and output ports the mapping relationship between the internal number and the external display identification can be modified by using the I O position adjustment function The instrument can be used continuously without modifyi...

Page 28: ... example if it is set to 2 it is mapped to OUT2 input F32 out2 2 Remapping output port 2 input F32 out3 3 Remap output port 3 input F32 out4 4 The remapping output port 4 input F32 out5 5 Remap output port 5 input F32 out6 6 The remapping output port 6 input F32 out7 7 The remapping output port 7 input F32 out8 8 The remap output port 8 input F32 out9 9 The remap output port 8 input F32 outa a The...

Page 29: ...r the corresponding treatment method F14 Nixie tube Led display test dsp Press Enter and the meter will automatically test the LED and nixie tube display Scroll the display visually and judge the display failure F15 relay delivery outlet o 000000 Press Enter enter the output port to be tested and you can test a single one You can also test more than one Enter o 00002 if the output No 2 is tested F...

Page 30: ...a button cell to save the working state before power failure and these states will be recalled after power up For workflow after power on the process controller will perform a power on trigger function and if the process has corresponding operations it will be executed After the power supply is turned on if all the following conditions can be met the instrument will perform a weight zero setting w...

Page 31: ...has been used for a period of time due to various reasons the zero point may shift to a certain extent so it is necessary to manually reset the zero point In the absence of any level password the weight range of reset operation needs to meet the requirements of parameter F04 The specific operation steps are as follows button Lower row display Upper row display meaning Set to zero 1 In the normal w...

Page 32: ...re is no working flow Users need to set the corresponding workflow number to meet their own requirements before the instrument can enter the corresponding working cycle Users can choose the fixed workflow built into the instrument or burn it into the instrument through the serial port through computer software See related information of process for details Under normal circumstances if the process...

Page 33: ... hold F31 init 0 Press and hold continuously to quickly locate F31 F31 init 1 1 indicating that the initialization operation is selected input F31 init ok Indicates that initialization is complete Cancel Exit the settings menu Table 8 6 Operation Steps to Restore Factory Settings Note Please use this function carefully When factory settings need to be restored please save important parameters and ...

Page 34: ... XON ADDR CMD DATA CHK XOFF meaning leading flag address order data check End mark Number of bytes 1 1 1 n 1 1 numerical value 0x02 A Z A Z 0x03 Table 9 1 data frame format of upper computer transmitter The first part Xon fixed at 0x2 indicates the beginning of the data frame The second part addr is the instrument address The value range is A Z of the ASCII code corresponding to 1 26 of the corres...

Page 35: ...s including net weight tare weight and various states Host command example address is a Command section XON ADD CMD CHK XOFF Hex format 02 41 41 42 03 ASCII format A A B Slave answer content XON ADD CMD DATA CHK XOFF nnnnn p tttttt e f u Hex format 02 41 61 See the table below 49 03 ASCII format A a I DATA part of slave machine answer Note the specific data in the following table is an example DAT...

Page 36: ...ddd Hex format 02 41 62 See the table below 49 03 ASCII format A b I DATA answered by slave means DATA cc nnnnn ddddddddddd meaning mate rial code Total times Total weight 2 3 Command C to read the current display content of the instrument Host command example address is a Command section XON ADD CMD CHK XOFF Hex format 02 41 43 40 03 ASCII format A C Slave answer content XON ADD CMD DATA CHK XOFF...

Page 37: ...t external input No 3 has a signal 3 1 indicates that relay No 4 works 3 1 indicates that the No 4 external input has a signal 4 1 indicates that relay No 5 works 4 1 indicates that there is a signal at external input No 5 5 1 indicates that relay No 6 works 5 1 indicates that the No 6 external input has a signal 6 Hengwei 1 6 Hengwei 1 7 Check Digit 7 Check Digit The meaning of each binary bit of...

Page 38: ...he meaning of each binary bit of j BIT number bit Work parameters BIT number bit Work parameters 0 1 indicates that the No 1 external input has a signal 0 1 indicates that the No 7 external input has a signal 1 1 indicates that there is a signal from external input No 2 1 1 indicates that the No 8 external input has a signal 2 1 indicates that external input No 3 has a signal 2 1 indicates that re...

Page 39: ... 3 1 indicates that relay No 8 works 3 1 indicates that relay No 14 works 4 1 indicates that relay No 9 works 4 1 indicates that relay No 15 works 5 1 indicates that relay No 10 works 5 1 indicates that relay No 16 works 6 Hengwei 1 6 Hengwei 1 7 Check Digit 7 Check Digit 2 5 command k to perform a key function of the specified instrument Host command example address is a Command section XON ADD C...

Page 40: ...a Command section XON ADD CMD DATA CHK XOFF Txxx Hex format 02 41 56 03 ASCII format A U Slave answer content XON ADD CMD DATA CHK XOFF xxx dddddddd Hex format 02 41 03 ASCII format A t 2 8 Command U to set the parameters of the specified instrument Host command example address is a Command section XON ADD CMD DATA CHK XOFF xxxddd Hex format 02 41 56 03 ASCII format A U Slave answer content XON AD...

Page 41: ... 03 ASCII format A V 171201205730 Slave answer content XON ADD CMD DATA CHK XOFF Hex format 02 41 62 03 ASCII format A v o k 2 10 command w to set the specified instrument process execution pointer Host command example address is a Command section XON ADD CMD DATA CHK XOFF ddd Hex format 02 41 57 03 ASCII format A W Slave answer content XON ADD CMD DATA CHK XOFF Hex format 02 41 61 03 ASCII format...

Page 42: ... Yaohua old D2 format 51 0700 51 0700 8 bytes per frame 3 4 TOLEDO standard format Without checksum 5 TOLEDO standard format With checksum 6 705 format ST GS 0012 34 kg CRLF US GS 002000 kg CRLF 7 Top loose format 2 STX AA nnnnnnptttttteff CHK ETX 8 9 10 11 Taiwan Province C 8500TS UMC600 format STX 12 34KGM CRLF 12 XK3190 A9 mode STX 002000PCC ETX Yaohua 13 14 Hbwe2110 format STX 12 34G ETX STX 1...

Page 43: ...at With checksum 22 Simplified Toledo format Without checksum 23 Yancheng Asano format The same as TOLEDO simplified format checksum is changed to 0A Appendix 3 Continuous Transmission Format Note Please contact us if you need the details of continuous sending format ...

Page 44: ...er p93 4 bytes signed read write 4x0186 Parameter p94 pulse port count value 4 bytes signed read write 4x0188 Parameter p95 No 1 4 20mA output value 4 bytes signed read only 4x0190 Parameter P96 No 2 4 20mA output value 4 bytes signed read only 4x0192 Parameter p97 4 20mA input value 4 bytes signed read only 4x0194 Parameter p98 4 bytes signed read write 4x0196 Parameter p99 4 bytes signed read wr...

Page 45: ...bytes unsigned read write 4x0214 Division value 2 bytes unsigned read write Modbus RTU function code table continued 1 Functional address meaning Register attribute 4x0215 Low byte weight decimal places high byte flow decimal places 2 bytes unsigned read write 4x0216 Zero range 2 bytes unsigned read write 4x0217 Zero tracking range 2 bytes unsigned read write 4x0218 IN9 IN24 modified after 2022 2 ...

Page 46: ...be DSSP13 DSSP14 2 no sign 4x0248 Output status D0 D15 IN1 IN8 OUT1 OUT8 2 no sign 4x0249 D0 D15 Whether the formula can be set IO test zero position 2 Zero position stable 2 stable 1 peeled 2 peeled 1 OUT9 OUT16 2 no sign 4x0250 Current AD value of scale No 2 4 bytes signed read only 4x0252 Zero point calibration AD value of No 2 scale 4 bytes signed read write 4x0254 Calibration coefficient of N...

Page 47: ...strument 4 128 4 132 Press the key of the short instrument 5 128 5 133 Press the Enter key of the short instrument 6 128 6 134 Press the Cancel key of the short instrument 7 128 7 135 print 8 128 8 136 Print report 9 128 9 137 Print custom documents 10 128 10 138 1 scale calibration 11 128 11 139 Press the key of the long meter which is equivalent to the Stop key 12 128 12 140 This function is not...

Page 48: ...46 20 256 1 147 Pass OUT1 21 256 2 148 Pass OUT2 39 256 20 276 OUT20 40 288 1 289 Off 1 41 288 2 290 Off 2 59 288 20 306 OUT20 Appendix 2 Values and Functions of Register 4x0212 ...

Page 49: ...2 The layout of instrument interface is independent 3 The title of the subsection after the big section of the text adopts Arabic numerals such as 2 1 2 1 1 Bao Feiping 1 0 3 2017 12 01 1 Added content 1 Some pictures have been added Bao Feiping 1 1 0 2017 12 01 1 Basic stereotypes all large pieces of content have been modified 2 The top loose agreement still needs to be improved 3 Some contents s...

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