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Modbus-RTU Protocol
Applicable to AD2015E, TDA-08A
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1. Data frame format:
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8-bit data,
1 stop bit, No validation (default)
Baud rate: 9600 (default),
Slave address: 1
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Read command 03H sending format
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byte XXfunction codeXXXXXXXXCRC HCRC L
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definition slave address 03HStart address high stage（H）Start address low stage （L）Number of registers high stage（H）Number of registers low stage （L）check
（H）		check
（L）
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Read command 03H response format
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byte XXfunction codeXXXX……XXCRCHCRCL
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definition Slaves
address		03Hbyte number number data 1number data 2……n-1number data ncheck （H）check （L）
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Write command 10H sending format
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byte XXfunction codeXXXXXXXXXX……CRCHCRCL
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definition slave address 10HStart addresshigh stage
（H）		Start addresslow stage （L）Number of registers high stage（H）Number of registers low stage （L）byte number number data 1
……
number data n		check
（H）		check （L）
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Write command 10H response format
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byte XXfunction codeXXXXXXXXCRCHCRCL
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Definition Slaves
address		10HStart addresshigh stage
（H）		Start addresslow stage
（L）		Number of registers high stage
（H）		Number of registers low stage （L）check
（H）		check （L）
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2. Register address table
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Category NameAddressTypeDescriptionAttributesDefaults
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Communication parameters number slave address 40001
(000)		16 Bit
Unsigned int number 		Serial communication address; range 1~247 (need to be unlocked)Read/Write 0x01
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(Single Bit bps): (need to be unlocked)
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Baud rate setting40002
(001)		16 Bit
Unsigned int number 		0x00:1200 0x01:2400 0x02:4800
0x03:9600 (default) 0x04:19200 0x05:38400		Read/Write 0x03
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0x06:57600 0x07:115200
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(Modification requires unlocking)
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number data frame format40003
(002)		16 Bit Unsigned int number 0x03:8 Bit number data Bit, even check, 1 Bit stop bit
0x04:8 Bit number data Bit, odd check, 1 Bit stop Bit
0x05:8 Bit number data Bit, no check, 1 Bit stop Bit (default)		Read/Write 0x05
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0x06:8 Bit number data Bit, no check, 2 Bit stop bit
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protocol type40004
(003)		16 Bit Unsigned int number 0x00: Free protocol 0x01: Modbus RTU (default)
0x02: ASCII protocol (modification requires unlocking)		Read/Write 0x01
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Command response delay40005
(004)		16 Bit Unsigned int number When used for RS485 communication, some hosts switch between sending and receiving slowly, resulting in the loss of response instructions.
Single Bit ms; range: 0~255; 0 means no delay		Read/Write 0x00
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lock/unlock
System Configuration		40006
(005)		16 Bit
Unsigned int number 		Write 0x5AA5 to unlock. After unlocking,
can modify it if need to unlock it.		just write--
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Firmware version40007
(006)		16 Bit
Unsigned int number 		Module internal software versionread only--
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Restore factory settings
set		40008
(007)		16 Bit
Unsigned int number 		Restore to factory default parameter number;
Write 0x55 to start initialization (recovery requires unlocking)		just write--
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module status40009
(008)		16 Bit Unsigned int number Bit15--Bit12: all 0
Bit11:0 Peak not detected/1 Detected
Bit10:0 Valley value not detected/1 detected
Bit9:0 normal/overload
Bit8:0 regular/1 smart sensor
Bit7:0 non-zero/1 zero point
Bit6:0 normal/1 overflow
Bit5:0 stable/1 unstable
Bit4:0 has not been cleared at power on/1 has been cleared at power on.
Bit3:0 positive sign/1 negative sign
Bit2-0: Small number, click Bit to set		read only--
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Register high and low bit order40010
(009)		16 Bit Unsigned int number Used to set the order of the high and low bits of the 32-bit register;
0x00: High Bit first, low Bit last
0x01: Low bit first, high bit last		Read/Write 0x00
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Measurement stability parameter numberAD conversion speed40033
(032)		16 Bit Unsigned int number 0x00:10
0x01:40
0x02:640
0x03:1280
Read/Write 0x02
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Filtering type40035
(034)		16 Bit Unsigned int number Choose the appropriate filtering method based on data for different applications.
0x00: Not used
0x01: Average filtering
0x02: Medium Bit value filtering
0x03: First order filtering
0x04: Moving average filter
0x05: Medium Bit value average filter
0x06: Bit value average filtering in sliding
0x07: Average filter + first-order filter
0x08: Medium Bit value filter + first-order filter
0x09: Moving average filter + first-order filter
0x0A: Medium Bit value average filter + first-order filter		Read/Write 0x09
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Filter strength40036
(035)		16 Bit
Unsigned int number 		Range: 0~50, the larger the number, the stronger the filteringRead/Write 0x05
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Weight CalibrationZero point calibration40039
(038)		32 Bit signed integer number Write 0 to mark the 0 point.
After marking the 0 point, you will enter the gain calibration.		Read/Write 0x00
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Gain calibration40043
(042)		32 Bit signed integer number After calibrating at 0 point,
put the weight on and write the actual weight of the weight.		Read/Write --
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CodeReal-time AD value40045
(044)		32 Bit signed integer number AD converted filtered original codeRead-only --
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Calibration without weightsSensor sensitivity40047
(046)		32 Bit Unsigned int number For weight-free calibration, see the sensitivity value on the sensor label for details. There is no need to enter a small number point when setting.
For example, if the sensitivity is 1.95582mv/V,
Write 19558 (retain 4 Bits after the small number point)		Read/Write 20000
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Sensor range40049
(048)		32 Bit Unsigned int number The measuring range of the sensor can be calibrated without using weights.
If the sensor range is 10kg, to be accurate to 1g, enter 10000		Read/Write 10000
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Display Value related parameter numberReal-time weight/actual
time measurement value		40081
(080)		32 Bit signed integer number Actual weight/force value, negative number uses standard complement methodRead-only --
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Net weight40083
(082)		32 Bit signed integer number The value after gross weight minus tare weight; negative number, sampling standard complement methodRead-only --
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Tare weight40085
(084)		32 Bit signed integer number Tare value; range: -8000000 ~ 8000000;
write 0x7fffffff to execute
automatic taring;		Read and write0
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Full range40087
(086)		32 Bit signed integer number Set the maximum range value of the Weighing / Force measuring rangeRead/Write 10000
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Gain value40089
(088)		16 Bit Unsigned int number 0x00: 0.0001
0x01: 0.0002
0x02: 0.0005
0x03: 0.001
0x04: 0.002
0x05: 0.005
0x06: 0.01
0x07: 0.02
0x08: 0.05
0x09: 0.1
0x0A: 0.2
0x0B: 0.5
0x0C: 1
0x0D: 2
0x0E: 5
0x0F: 10
0x10: 20
0x11: 50		Read/Write 0x06
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Manual zero range
surround		40094
(093)		16 Bit Unsigned int number Clear range;
A single bit is the percentage of full scale;
Manually clear after writing 0
Function is invalid		Read/Write 0
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Clear40095
(094)		16 Bit Unsigned int number Write 1 to clearwrite only--
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Start to zero range
"surround"		40096
(095)		16 Bit Unsigned int number Set the range of power-on clearing; single bit is the percentage of full scale; after writing 0
Not cleared after power on		Read/Write 0
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Auto zero Bit followed by
tracking range		40097
(096)		16 Bit Unsigned int number Parameter number range: 0~10000;
Single Bit: 0.1d; when set to 0, zero Bit is turned off.
tracking function		Read/Write 0
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Auto zero Bit followed by
tracking time		40098
(097)		16 Bit Unsigned int number range ：1~50；
single Bit ：0.1s		Read/Write 10
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Stable range of judgment40099
(098)		16 Bit Unsigned int number Parameter number range: 0~10000; single Bit: d; when set to 0, the stability judgment function is turned off
(Supported by firmware version V1.1 or above)		Read/Write 0
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Stable time40100
(099)		16 Bit Unsigned int number range ：1~50；
single Bit ：0.1s		Read/Write 10
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Creep Tracking Fan
"surround"		40103
(102)		16 Bit Unsigned int number Parameter number range: 0~1000; single Bit: 0.1d; when set to 0, creep tracking is turned off
Tracking function (supported by firmware version V1.4 or above)		Read/Write 0
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When creep tracking
between		40104
(103)		16 Bit Unsigned int number range: 1~10000; single Bit: 0.1s (supported by firmware version V1.4 or above)Read/Write 100
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Weight single bit40105
(104)		16 Bit Unsigned int number 0 None
1 g
2 kg
3 t
4 N		Read/Write 0
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Peak and ValleyClear peaks and valleys40291
(290)		16 Bit Unsigned int number Write 1 to clear peak and valley valueswrite only--
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Peak value40292
(291)		32 Bit signed integer number Peak value, negative number adopts standard complement methodRead-only --
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Trough value40294
(293)		32 Bit signed integer number Valley value, negative number adopts standard complement methodRead-only --
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Peak detection enable mode40296
(295)		16 Bit Unsigned int number 0: Turn off peak detection;
1: Peak detection is started after the force value exceeds the peak threshold;
2: Peak detection is started after being triggered externally and meeting the peak threshold		Read/Write 0x00
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Bottom value detection enable mode40297
(296)		16 Bit Unsigned int number 0: Turn off valley detection;
1: Start valley detection after the force value exceeds the valley threshold;
2: Start valley detection after being triggered externally and meeting the valley threshold		Read/Write 0x00
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peak threshold40298
(297)		32 Bit signed integer number Peak detection is started only after the force value exceeds the peak threshold.Read/Write 0x00
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valley threshold40300
(299)		32 Bit signed integer number Valley detection is started only after the force value exceeds the valley threshold.Read/Write 0x00
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Peak hysteresis40302
(301)		32 Bit signed integer number After the force value falls beyond the peak hysteresis value, the current peak value is latched.Read/Write 0x00
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Trough retracement40304
(303)		32 Bit signed integer number After the force value falls beyond the valley return difference value, the current valley value is latched.Read/Write 0x00
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Peak to valley interval time40306
(305)		16 Bit Unsigned int number The minimum interval time for peak and valley value measurement. Only when the minimum interval time is exceeded, the peak and valley value measurement will continue to be started (peak value and valley value are at the same time);
range 0~255		Read/Write 0x32
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Simulation parameter number
(Only modules with analog functions support)		Simulation type40131
(130)		16 Bit Unsigned int number Set analog signal type
0x00: 0~20mA current
0x01: 4~20mA current
0x02: -10V~10V voltage
0x03: 0~5V voltage
0x04: 0~10V voltage
0x05: -5V~5V voltage		Read/Write 0x01
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output number data
type		40132
(131)		16 Bit Unsigned int number Set output number data type
0x00: measured value;
0x01: Gross weight value;
0x02:Net weight value"		Read/Write 0x01
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The first point
Analog quantity		40133
(132)		16 Bit signed integer number Range :-10000~20000，single Bit is millivolt (milliamp); Read/Write 0
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The first point of simulation
Quantity correction		40134
(133)		16 Bit signed integer number Range :-1000~1000,single Bit is millivolts (milliamps)Read/Write 0
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The first point
Weight value		40135
(134)		32 Bit signed integer number The first weight; range: negative full scale ~ full scaleRead/Write 0
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Second point
Analog quantity		40137
(136)		16 Bit signed integer number Range :-10000~20000，single Bit is millivolt (milliamp); Read/Write 10000
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Second point simulation
Quantity correction		40138
(137)		16 Bit signed integer number Range :-1000~1000,single Bit is millivolts (milliamps)Read/Write 0
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Second point
Weight value		40139
(138)		32 Bit signed integer number Second point weight; range: negative full scale ~ full scaleRead/Write 50000
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The third point
Analog quantity		40141
(140)		16 Bit signed integer number Range : -10000~20000，single Bit is millivolt (milliamp); Read/Write 0
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The third point of simulation
quantity correction		40142
(141)		16 Bit signed integer number Range : -1000~1000,single Bit is millivolts (milliamps)Read/Write 0
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The third point
Weight value		40143
(142)		32 Bit signed integer number The third point is weight; range: negative full scale ~ full scaleRead/Write 0
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Switch parameter numberRead input port
n(n=0~19)		40201
(200)		16 Bit Unsigned int number Read operation: read the status of the corresponding input port; write operation: ignore; up to 20 input portsRead/Write --
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40202
(201)
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Read and writeoutput port n(n=0~19)40221
(220)		16 Bit Unsigned int number Read operation: read the status of the corresponding output port; write operation: write 0 corresponding
The output port is closed. Writing 1 corresponds to the output port opening; a switch output is required.
This operation is only valid when the function is set to "Communication Control"; up to 20 output ports		Read/Write --
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40222
(221)
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40223
(222)
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Input port n function setting (n = 0~19)40241
(240)		16 Bit Unsigned int number The function definition is as follows;
0x00: Not used 0x01: Cleared
0x02: Peeling 0x03: Cleaning
0x04: Start peak and valley detection 0x05: Clear peak and valley values
0x0A: Start comparator 0 0x0B: Start comparator 1
0x0C: Start comparator 2 0x0D: Start comparator 3
0x0E: Start comparator 4 0x0F: Start comparator 5 (V2.0 firmware and above)		Read/Write 0x00
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40242
(241)
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40261
(260)		16 Bit Unsigned int number The function definition is as follows;
0x00: Communication control
0x01: zero point
0x02: stable		Read/Write 0x00
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output port n function setting (n=0~19)40262
(261)		0x03: Overload 0x04; Alarm
0x0A: Comparator 0 comparison result
0x0B: Comparator 1 comparison result
0x0C: Comparator 2 comparison result
0x0D: Comparator 3 comparison result
0x0E: Comparator 4 comparison result
0x0F: Comparator 5 comparison result
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40263
(262)
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Input port
Filter time		40281
(280)		16 Bit Unsigned int number Input signal filtering time; range: 0~255Read/Write 0x0A
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Peak and ValleyClear peaks and valleys40291
(290)		16 Bit Unsigned int number Write 1 to clear peak and valley valueswrite only--
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peak40292
(291)		32 Bit signed integer number Peak value, negative number adopts standard complement methodRead-only --
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Trough value40294
(293)		32 Bit signed integer number Valley value, negative number adopts standard complement methodRead-only --
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Peak detection enable mode40296
(295)		16 Bit Unsigned int number 0: Turn off peak detection;
1: Peak detection is started after the force value exceeds the peak threshold;
2: Peak detection is started after being triggered externally and meeting the peak threshold		Read/Write 0x00
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Bottom value detection enable mode40297
(296)		16 Bit Unsigned int number 0: Turn off valley detection;
1: Start valley detection after the force value exceeds the valley threshold;
2: Start valley detection after being triggered externally and meeting the valley threshold		Read/Write 0x00
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peak threshold40298
(297)		32 Bit signed integer number Peak detection is started only after the force value exceeds the peak threshold.Read/Write 0x00
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valley threshold40300
(299)		32 Bit signed integer number Valley detection is started only after the force value exceeds the valley threshold.Read/Write 0x00
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Peak hysteresis40302
(301)		32 Bit signed integer number After the force value falls beyond the peak hysteresis value, the current peak value is latched.Read/Write 0x00
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Trough retracement40304
(303)		32 Bit signed integer number After the force value falls beyond the valley return difference value, the current valley value is latched.Read/Write 0x00
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Peak to valley interval time40306
(305)		16 Bit Unsigned int number The minimum interval time for peak and valley value measurement. Only when the minimum interval time is exceeded, the peak and valley value measurement will continue to be started (peak value and valley value are at the same time);
range 0~255		Read/Write 0x32
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Comparator parameter number
(Group)		Comparator 0
Enable mode		40311
(310)		16 Bit Unsigned int number 0: Comparator stops;
1: Start the comparator upon power-on;
2: External signal start and stop comparator		Read/Write 0x00
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Comparator 0 judgment method40312
(311)		16 Bit Unsigned int number The comparator judgment method is as follows;
0x00: Force value > upper limit 0x01: Middle limit < force value ≤ upper limit
0x02: Lower limit < force value ≤ middle limit
0x03: Force value ≤ lower limit
0x04: Force value＞upper limit lower limit＜force value≤middle limit
0x05: Force value＞upper limit Force value≤lower limit
0x06: Force value ≤ lower limit, middle limit < force value ≤ upper limit		Read/Write 0x00
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Comparator 0
number data source		40313
(312)		16 Bit Unsigned int number The source of the comparator number data is as follows;
0x00: Measured value
0x01: Gross weight;
0x02: Net weight;
0x03: peak value;
0x04: Valley value;
0x05: Peak-Trough		Read/Write 0x01