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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.

4.4 Connection method of load cell

The sensor interface of this instrument is RS485 communication port. The power supply is 12V,

the driving current is > 400mA, and 16 digital sensors can be connected. If ADJ and V- are

shorted, the power supply voltage of the sensors can be increased to adapt to the longer

connection distance.

4.4.1 Label and function of load cell interface

serial
number

grade

Corresponding function

V+

Sensor positive supply

V+

Sensor positive supply

485A

485B

V-

Negative sensor supply

V-

Negative sensor supply

ADJ

If the adj and v-short circuit can improve the supply

voltage of the sensor

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Содержание 4821

Страница 1: ...DS822 P8M 4821 Hangzhou dingsong automatic control equipment co ltd Zhe 00000505 operation instruction Chinese version V1 1 3 Multifunctional programmable weighing controller ...

Страница 2: ...ial difference and sensor number 14 6 2 Calculate the calibration method and check the calibration coefficient 16 VII Setting of other working parameters 18 7 1 Parameter setting and protocol of full function communication port 18 7 2 OC door outlet OUTB is used as the outlet of large screen 19 7 3 Modify the login password 19 7 4 Calibration and setting of analog output port 20 7 5 Calibration an...

Страница 3: ...4 20mA analog output and one channel of 4 20mA analog input 5 1 USB interface 6 Communication interface RS232 RS485 can be connected to one channel of RS485 signal It can be used to communicate with computer PLC etc Serial port 2 RS232 interface communication mode can be programmed 7 1 channel large screen output interface multiplexed with OC gate output port outb only one function can be selected...

Страница 4: ...f controller unit mm opening size length 188mm x height 113mm Figure 2 1 Installation Dimensions of Host III Interface layout 3 1 Instrument interface layoutpicture switching value input port Power input port AC85 265V Digital sensor interface OC door deliver y outlet Full function communic ation mainboar d input port Relay output port analog quantit y deliver y outlet analog quantity input port ...

Страница 5: ...inside the instrument At the same time the positive power supply V and the negative power supply V are led out inside so the common terminal can be connected to V or V or not according to different needs Each input port can be connected with a button a trigger switch a relay contact point a proximity switch etc You can also input a DC voltage signal 6 24V See the following figure for specific comm...

Страница 6: ...r 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 The transistor OC gate is connected to the large screen display ou tp ut Communic ation current loop This instrument can be connected to one or two large screen displays Note that this interface is multiplexed with the OC gat...

Страница 7: ...e driving current is 400mA and 16 digital sensors can be connected If ADJ and V are shorted the power supply voltage of the sensors can be increased to adapt to the longer connection distance 4 4 1 Label and function of load cell interface serial number grade Corresponding function 1 V Sensor positive supply 2 V Sensor positive supply 3 485A 485A 4 485B 485B 5 V Negative sensor supply 6 V Negative...

Страница 8: ...rrent menu item to scroll up Set target number plus 1 start Start the selected process Long press means stop and exit the process See the relevant process information for details 2 Set the current menu item to scroll down Set target number minus 1 zero 1 1 Zero setting or calibration of scale See8 3Festival 6 1section 3 Sets the currently selected number to shift left zero 2 2 Zero setting or cali...

Страница 9: ...xed which is the internal working parameter and operation item of the instrument For details seeSection 5 5 2 Whether the corresponding parameters of the instrument and the password are visible or not are determined by the corresponding workflow of the instrument Long press the FXX key to enter the view and setting of the f parameter and long press the Pxx key to enter the view and setting of the ...

Страница 10: ...n status the user user 1 level permission will be obtained automatically that is if there is no login in the above table it will be marked in orange Can also be operated on 5 4 Operation steps of password login The specific operation steps of password login are as follows Key Lower display Upper display meaning Fxx F00 pp In the weighing display state press and hold the FXX key and the lower row w...

Страница 11: ...flashes F01 and the upper row displays D You can select different parameters for operation by pressing the keys and the label of the current f parameter will be displayed in the lower row 3 After selecting the corresponding parameters press the Enter key again to enter the corresponding parameter modification operation At this time the lower row does not flicker but the upper row parameter content...

Страница 12: ...2 See section 7 1 for communication mode F07 A d r 01 Mailing address 1 26 optional which indicates that the content to be sent is selected in continuous sending mode Quick Table of Group Parameters Continued 1 Lower display Upper display meaning F08 0 3 8 4 0 0 2 baud rate of communication port 600 1200 1800 2400 4800 9600 19200 38400 57600 115200 optional F09 f lt 0 0 1 scale filter coefficient ...

Страница 13: ... Enter to display KP1 indicating the content of sub display in the lower row See section 7 5 for details F21 DSP2 In the weighing state the contents displayed in the lower row of the display panel are displayed Press Enter to display KP2 indicating the content of sub display in the lower row See section 7 4 for details F22 LK LK abcde A Select how to obtain user user 1 level permissions 1 Short ci...

Страница 14: ... 000 and set 2 large screen output content The factory default value is 0 which means there is no output See section 7 2 for details 5 Speedometer 5 5 P parameter setting Enter the following steps to set the parameters 1 Press and hold the Pxx key for about 2 seconds the lower row of the instrument will flash p and the upper row will display the specific content depends on the process Different pa...

Страница 15: ...13 in all P parameters that can be set will be displayed automatically Note 2 for the specific meaning of P parameter please refer to the corresponding process information ...

Страница 16: ...dging the scope of stability Table 6 6 related weighing parameters 6 1 Calibration correction of angular difference and axial difference and sensor number 1 It is also necessary to calibrate each sensor including one zero point one zero point and one zero point for each sensor 2 When multiple digital sensors are used for one scale it is necessary to correct the angular difference and axle differen...

Страница 17: ...of sensor number When the zero point of calibration is selected F12 0 caloo Select load point calibration input F12 ooo 00 Zero point calibration use the direction key to modify the two digits to select the sensor to calibrate the zero position If it is 00 it means to calibrate the zero position of all sensors input Return to normal display Operation completed Selection of loading point criteria F...

Страница 18: ...ed Table 6 3 calibration and debugging steps 6 2 Calculate the calibration method and check the calibration coefficient The calibration of calculation method can be completed by parameter F30 The calibration coefficient of the parameter is obtained by theoretical calculation method and the calculation formula is as follows Sensor scale sensor scale factor The specific steps are as follows Key Lowe...

Страница 19: ...ent of each sensor when flashing in the lower row and the arrow keys can be used to modify the coefficient when flashing in the upper row Press the Enter key to switch the flashing in the upper and lower rows Table 6 4 Steps of Calculation Method Calibration ...

Страница 20: ... data bit Check digit mode Stop bit Top loose agreement 0 7 bit ASC code 1 bit even check 1 bit This protocol is an instruction response mode When F6 3 the check word CHK is not checked for correctness or presence when receiving data See Appendix 1 for details 1 7 bit ASC code 1 bit odd check 1 bit 2 8 bit ASC code No parity 1 bit 3 7 bit ASC cod e 1 bit even check 1 bit Continuous transmission mo...

Страница 21: ...riables The output port is a current loop which can be connected to 1 2 large screens When connecting two large screens you can either use the series connection method or the parallel connection method See 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...

Страница 22: ...o 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 Password Note The second login must be the sa...

Страница 23: ...input F23 adj1 04 Analog output calibration press Input directly without calibration At this time the output port No 1 is 4ma Press to increase the output current value and to decrease the current value The output value can be detected by external meter and other measuring tools input F23 adj1 16 Press the key to input the output value taking 16mA as an example Press Through the adjustment of two ...

Страница 24: ...e the output current value and to decrease the current value Through the adjustment of two points the accuracy of analog input port is calibrated input F25 A in Adjustment completed Table 7 4 Specific steps of analog input port calibration and setting 7 6 Settings of panel display content The panel display is double row digital tube display the specific content of which can be set freely and the F...

Страница 25: ...cond secondary display are switched in turn every time the Display key is pressed 7 7 Timed shutdown function The timed shutdown function belongs to the project above the level of administrator User 2 and the corresponding F32 parameter appears only after logging in with the corresponding password The following steps assume that you have logged in correctly Key Lower display Upper display meaning ...

Страница 26: ...p between the internal number and the external display logo Achieve the purpose of continuing to use the instrument without modifying the process This function belongs to the project of the administrator User 2 level or above and it is in the same F parameter F32 as the scheduled shutdown function set in Section 7 6 When setting the Y4 parameter it can be changed to 1 and the function can be enter...

Страница 27: ...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 remap output port 10 input F32 outb b The remapping output port 11 input F32 outc c The remap output port 12 input F32 d of...

Страница 28: ...onding output port will act and the indicator light on the front panel will light up at the same time then press after the test Cancel to exit the test F16 High speed pulse input port tst psul Press Enter to display A00000 At this time input a signal at the pulse input port and the meter will display the measured pulse number Press after the test Cancel to exit the test F26 Internal RAM tst ram Pr...

Страница 29: ... state of feeding or discharging 2 The weight can collect stable data within 6 seconds after power on 3 The weight value is within the range of starting and zeroing see F parameter table F04 8 2 1 Boot failure code During the self test of the instrument after power on the following error codes may be displayed serial number Code display Fault meaning processing method 1 EPr 1 Internal RAM failure ...

Страница 30: ...eight to stabilize the stabilizing light is always on Press Set to zero 1 0 This is assuming that the gross weight net weight of scale 1 is displayed in the upper row Table 8 4 Operating Steps of Manual Zero Setting Note If it is unstable or the current weight exceeds the zero setting range zero setting is invalid Note After the zeroing operation is successfully completed the current tare value co...

Страница 31: ...number is set after the instrument is powered on and started the workflow will be started automatically without manual intervention However in some debugging situations it may be necessary to start or stop the workflow manually This function belongs to user User 1 or above so you need to log in first Login later Press the Start key to start the workflow Press and hold the Start key for more than 2...

Страница 32: ...te cancell ed 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 data such as tare value and calibration coefficient ...

Страница 33: ... ADDR CMD DATA CHK XOFF meaning leading flag address order data verify 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 Sender Part 1 XON fixed as 0x2 indicates the beginning of the data frame Part 2 ADDR is the address of the instrument The value range is A Z of Ascii code which corresponds to 1 26 of the corresponding address pa...

Страница 34: ... command detailed explanation 2 1 Command A to take the current weighing and status including net weight tare weight and various statuses Command example address is a Command segment 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...

Страница 35: ...content XON ADD CMD DATA CHK XOFF cc nnnnnn ddddddddddd 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 Command example address is a Command segment XON ADD CMD CHK XOFF Hex format 02 41 43 40 03 Ascii format A C...

Страница 36: ...2 1 indicates that 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 e...

Страница 37: ...output relay of instrument The meaning of each binary bit of I The 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 external input No 2 has a signal 1 1 indicates that the No 8 external input has a signal 2 1 indicates that ...

Страница 38: ... 12 works 2 1 indicates that relay No 7 works 2 1 indicates that relay No 13 works 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 th...

Страница 39: ...f the specified instrument Command example address is a Command segment 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 Command example address is a Command segment XON ADD CMD DATA CHK XOFF xxxddd Hex format 02 41 5...

Страница 40: ...ss Hex format 02 41 56 52 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 Command example address is a Command segment 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 4...

Страница 41: ... 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...

Страница 42: ...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 ...

Страница 43: ...es 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 write 4x0198 B...

Страница 44: ...f storage 2 bytes unsigned read write 4x0214 Division value 2 bytes unsigned read write 4x0215 Low byte weight decimal places high byte flow decimal places 2 bytes unsigned read write Modbus RTU function code table continued 1 Functional address meaning Register attribute 4x0216 Zero range 2 bytes unsigned read write 4x0217 Zero tracking range 2 bytes unsigned read write 4x0218 Recipe number forme...

Страница 45: ...orking state of 8 process executor 2 bytes unsigned read only 4x0237 Working state of 9 process executor 2 bytes unsigned read only 4x0238 Working state of 10 process executor 2 bytes unsigned read only 4x0239 Working state of 11 process executor 2 bytes unsigned read only 4x0240 Working state of 12 process executor 2 bytes unsigned read only 4x0241 Display panel digital tubes DSSP1 DSSP2 2 bytes ...

Страница 46: ...ation code 1 2 bytes unsigned write only 4x0263 Calibration code 2 2 bytes unsigned write only 4x0264 Calibration code 3 2 bytes unsigned write only 4x0265 Number of sensors 2 bytes unsigned read write 4x0512 Calibration factor of sensor 1 4 bytes unsigned read write 4x0514 Calibration factor of sensor 2 4 bytes unsigned read write 4x0516 Calibration factor of sensor 3 4 bytes unsigned read write ...

Страница 47: ... signed read write 4x1148 Empty scale code of sensor 63 4 bytes signed read write 4x1152 Weight of sensor 1 new for 21 05 30 4 bytes signed read write 4x1276 Weight of sensor 63 4 bytes signed read write Appendix Table 1 Modbus RTU function code Note 1 if the register address is orange it means that it has been adjusted in 2016 Please check it again before use Note 2 the maximum number of block re...

Страница 48: ...long meter which is equivalent to the Stop key 12 128 12 140 This function is not available 13 128 13 141 Press the key of the instrument for a long time which is equivalent to the Clear key 14 128 14 142 Press the key of the instrument which is equivalent to the Pxx key 15 128 15 143 Press the Enter key of the instrument which is equivalent to the Fxx key 16 128 16 144 This function is not availa...

Страница 49: ... 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 su...

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