setec protocol

SETMINI Embedded DC power supply systemProtocols

Edition2.0

SETEC POWER

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Communication protocols

A. Summary This article describes the communication protocol of SETMINIEmbedded DC power supply system. This Agreement complies with the standardModbus RTU protocol, the system IP is fixed to 1

BHardware resourceBaud rate ..9600 BPSData length ..8 bitStop bit 1 bitCheck .. No

Port connection

Computer power supply monitor===================================

RX RX (pin 3)GND

Agreement summary

Function Functional code Register address RemarkSet total module Numbers 0x06 0x1000~0x1001Set system voltage 0x06 0x1002~0x1003 Actual voltagesetting value/100Set float charge voltage 0x06 0x1004~0x1005 Actual voltagesetting value/100Set the value of limit current 0x06 0x1006~0x1007 Actual voltagesetting value/100Set LVD1 0x06 0x1008~0x1009 Actual voltagesetting value/100Set reconnection voltage 1 0x06 0x100a~0x100b Actual voltagesetting value/100Set LVD 2 0x06 0x100c~0x100d Actual voltagesetting value/100Set reconnection voltage 2 0x06 0x100e~0x100f Actual voltagesetting value/100Set the value of over voltage 0x06 0x1010~0x1011 Actual voltagesetting value/100Set the value of under voltage 0x06 0x1012~0x1013 Actual voltagesetting value/100Set temperaturecompensation coefficient

0x06 0x1014~0x1015

Set temperaturecompensation starting point

0x06 0x1016~0x1017

Set the value of Batterytemperature alarm

0x06 0x1018~0x1019 Actual temperature alarmvalue=setting value/100

Set Boost charge time 0x06 0x101a~0x101bSet Boost charge interval 0x06 0x101c~0x101d

Set system time 0x10 0x1100~0x110b HourMinuteSecondYearMonthday

Set boost charge time 0x10 0x1200~0x120b HourMinuteSecondYearMonthday

Read total module Numbers 0x03 0x1000~0x1001Read system voltage 0x03 0x1002~0x1003 Actual voltagesetting value/100Read boost charge voltage 0x03 0x1004~0x1005 Actual voltagesetting value/100Read battery limit current 0x03 0x1006~0x1007 Actual battery limit current

=setting value/100Read LVD 1 0x03 0x1008~0x1009 Actual voltagesetting value/100Read reconnection voltage 1 0x03 0x100a~0x100b Actual voltagesetting value/100Read LVD 2 0x03 0x100c~0x100d Actual voltagesetting value/100Read reconnection voltage 2 0x03 0x100e~0x100f Actual voltagesetting value/100Read the value of over voltage 0x03 0x1010~0x1011 Actual voltagesetting value/100Read the value of undervoltage

0x03 0x1012~0x1013 Actual voltagesetting value/100

Read Temperaturecompensation coefficient

0x03 0x1014~0x1015

Read Temperaturecompensation starting point

0x03 0x1016~0x1017

Read Battery temperaturealarm value

0x03 0x1018~0x1019 Actual temperature alarmvalue=setting value/100

Read Boost charge time 0x03 0x101a~0x101bRead Boost charge interval 0x03 0x101c~0x101dRead system time 0x03 0x1100~0x110b HourMinuteSecondYear

MonthdayRead the specified boost time 0x03 0x1200~0x120b HourMinuteSecondYear

Monthday

Set float charge and boostcharge

0x05 0x1600 0000:float charge FF00 boostcharge

Read charging state 0x01 0x1600 0:float charge 1boost charge

Function Functional code Register address RemarkRead system voltage 0x03 0x2000~0x2001 Actual voltagesetting value/100Read battery current 1 0x03 0x2002~0x2003 Actual current value=setting value/100Read battery current 2 0x03 0x2004~0x2005 Actual current value=setting value/100Read module current 0x03 0x2006~0x2007 Actual current value=setting value/100Read load current 0x03 0x2008~0x2009 Actual current value=setting value/100Read battery temperature 0x03 0x200a~0x200b Actual temperature value=setting

value/100A phase voltage 0x03 0x200c~0x200d Actual voltagesetting value/100B phase voltage 0x03 0x200e~0x200f Actual voltagesetting value/100C phase voltage 0x03 0x2010~0x2011 Actual voltagesetting value/100AC frequency 0x03 0x2012~0x2013 Actual frequency value=setting value/100

Module 1 current 0x03 0x3000~0x3001 Actual current value=setting value/100Module 1 batterytemperature

0x03 0x3002~0x3003 Actual temperature value=settingvalue/100

Module 2 current 0x03 0x3004~0x3005 Actual current value=setting value/100Module 2 batterytemperature

0x03 0x3006~0x3007 Actual temperature value=settingvalue/100

Module 3 current 0x03 0x3008~0x3009 Actual current value=setting value/100Module 3 battery 0x03 0x300a~0x300b Actual temperature value=setting

temperature value/100Module 4 current 0x03 0x300c~0x300d Actual current value=setting value/100Module 4 batterytemperature

0x03 0x300e~0x300f Actual temperature value=settingvalue/100

Module N current 0x03 Actual current value=setting value/100Module N batterytemperature

0x03 Actual temperature value=settingvalue/100

LVD1 alarm 0x02 0x0000 1Alarm 0NormalLVD2 alarm 0x02 0x0001 1Alarm 0NormalLoad air switch alarm 0x02 0x0002 1Alarm 0NormalBattery fuse alarm 0x02 0x0003 1Alarm 0NormalPhase voltage 1 alarm 0x02 0x0004 1Alarm 0NormalPhase voltage 2 alarm 0x02 0x0005 1Alarm 0NormalBattery 1 charge anddischarge

0x02 0x0006 1Battery 1 discharge 0charge

Battery 2 charge anddischarge

0x02 0x0007 1Battery 2 discharge 0charge

1. Set total module NumbersHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x005 Data higher 8 bit 0x006 Low 8 bit 0x08 Example: total module numbers

are 8.7 CRC check low 8 bit8 CRC check high 8 bit

Device responseIf returning the command computer sends successfully, otherwise it doesnot respond.

2. Set system voltageHost PCLower computer

NO. Byte name Content Remark1 Device address 0x01 Actual voltagesetting value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x025 Data higher 8 bit 0x12 Example: system voltage is 46.8V6 Low 8 bit 0x48 46.810046800x12487 CRC check low 8 bit8 CRC check high 8 bit


3. Set float charge voltageHost PCLower computer

NO. Byte name Content Remark1 Device address 0x01 Actual voltage setting

value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x045 Data higher 8 bit 0x12 Example: set float voltage is

48.2V6 Low 8 bit 0xd4 48.210048200x12d47 CRC check low 8 bit8 CRC check high 8 bit


4. Set limit currentHost PCLower computer


value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x065 Data higher 8 bit 0x1f Example: set limit current is

80.8A6 Low 8 bit 0x90 80.810080800x1f907 CRC check low 8 bit8 CRC check high 8 bit


5. Set LVD 1Host PCLower computer


value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x085 Data higher 8 bit 0x0f Example: set LVD 1 is 40.6V6 Low 8 bit 0xdc 40.610040600xfdc7 CRC check low 8 bit8 CRC check high 8 bit


6. Set reconnection voltage 1Host PCLower computer


value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x0a5 Data higher 8 bit 0x14 Example: set reconnection

voltage 1 is 53V.6 Low 8 bit 0xb4 5310053000x14b47 CRC check low 8 bit8 CRC check high 8 bit


7. Set LVD 2Host PCLower computer


value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x0c5 Data higher 8 bit 0x14 Example: set LVD 2 is 53.5V6 Low 8 bit 0xe6 53.510053500x14e67 CRC check low 8 bit8 CRC check high 8 bit


8. Set reconnection voltage 2Host PCLower computer


value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x0e5 Data higher 8 bit 0x15 Example: set reconnection 2 is

55V6 Low 8 bit 0x7c 5510055000x157c7 CRC check low 8 bit8 CRC check high 8 bit


9. Set the value of over voltageHost PCLower computer


value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x105 Data higher 8 bit 0x16 Example: set the value of over

voltage is 58.2V6 Low 8 bit 0xbc 58.210058200x16bc7 CRC check low 8 bit8 CRC check high 8 bit


10. Set the value of under voltageHost PCLower computer


value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x125 Data higher 8 bit 0x0e Example: set the value of under

voltage is 38V6 Low 8 bit 0xd8 3810038000x0ed87 CRC check low 8 bit8 CRC check high 8 bit


11. Set temperature compensation coefficientHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x145 Data higher 8 bit 0x006 Low 8 bit 0x02 Example: temperature

compensation coefficient is 2.7 CRC check low 8 bit8 CRC check high 8 bit


12. Set temperature compensation starting pointHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x165 Data higher 8 bit 0x006 Low 8 bit 0x28 Example: temperature

compensation starting pointis 40

7 CRC check low 8 bit8 CRC check high 8 bit


13. Set the value of Battery temperature alarmHost PCLower computer

NO. Byte name Content Remark1 Device address 0x01 Actual temperature alarm

value=setting value/1002 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x185 Data higher 8 bit 0x13 Example: Setting the value of

Battery temperature alarm is50.

6 Low 8 bit 0x88 5010050000x13887 CRC check low 8 bit8 CRC check high 8 bit


14. Set Boost charge timeHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x1a5 Data higher 8 bit 0x006 Low 8 bit 0x0a Example: Setting Boost charge

time is 10.7 CRC check low 8 bit8 CRC check high 8 bit


15. Set Boost charge intervalHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x063 Set the register address high 8 bit 0x104 Low 8 bit 0x1c5 Data higher 8 bit 0x006 Low 8 bit 0xc8 Example: setting Boost charge

interval is 200.7 CRC check low 8 bit8 CRC check high 8 bit


16. Set system timeHost PCLower computer

NO. Byte name Content Remark1 Device address 0x01 Set the time required to write six

analog number, hour, minutes,seconds, year, month, day

2 Order NO. 0x10

3 Set the register address high 8 bit 0x114 Low 8 bit 0x005 Data higher 8 bit 0x006 Low 8 bit 0x067 Byte number 0x0c Example84000 2008-05-018 Data 1 0x00 [hour]HI9 Data 2 0x08 [hour]Lo10 Data 3 0x00 [minute]HI11 Data 4 0x28 [minute]Lo12 Data 5 0x00 [second]HI13 Data 6 0x00 [second]Lo14 Data 7 0x07 [year]HI15 Data 8 0xd8 [year]Lo16 Data 9 0x00 [month]HI17 Data 10 0x05 [month]Lo18 Data 11 0x00 [date]HI19 Data 12 0x01 [date]Lo20 CRC check low 8 bit21 CRC check high 8 bit

Device response[Device address] [Order NO. 10] [Register address high 8 bit] [Low 8 bit] [Setanalog number high 8 bit] [Low 8 bit][ CRC check low 8 bit] [CRC check high 8 bit]

17. Set the specified boost charge timeHost PCLower computer

NO. Byte name Content Remark1 Device address 0x01 Set the time required to write six

analog number, hour, minutes,seconds, year, month, day

2 Order NO. 0x10

3 Set the register address high 8 bit 0x114 Low 8 bit 0x005 Data higher 8 bit 0x006 Low 8 bit 0x067 Byte number 0x0c Example83000 2008-05-018 Data 1 0x00 [hour]HI9 Data 2 0x08 [hour]Lo10 Data 3 0x00 [minute]HI11 Data 4 0x28 [minute]Lo12 Data 5 0x00 [second]HI13 Data 6 0x00 [second]Lo14 Data 7 0x07 [year]HI15 Data 8 0xd8 [year]Lo16 Data 9 0x00 [month]HI17 Data 10 0x05 [month]Lo18 Data 11 0x00 [date]HI19 Data 12 0x01 [date]Lo20 CRC check low 8 bit21 CRC check high 8 bit

Device response[Device address] [Order NO. 10] [Register address high 8 bit] [Low 8 bit] [Setanalog number high 8 bit] [Low 8 bit][ CRC check low 8 bit] [CRC check high 8 bit]

18. Read total module NumbersHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x033 Set the register address high 8 bit 0x104 Low 8 bit 0x005 Data higher 8 bit 0x006 Low 8 bit 0x017 CRC check low 8 bit8 CRC check high 8 bit

Device response [Device address] [Order NO. 03] [The number of returned bytes] [Data1][ Data 2]...[ Data n][ CRC check low 8 bit] [CRC check high 8 bit]

ExampleLower computerPC[01][03][02][00][08] [CRC Low][CRC High]

19. Read system voltageHost PCLower computer



Actual voltagesetting value/100ExampleLower computerPC

[01][03][02][12][48] [CRC Low][CRC High] V=4680/100=46.8

20. Read float charge voltageHost PCLower computer



Actual voltagesetting value/100Example: [01][03][02][12][d4] [CRC Low][CRC High] V=4820/100=48.2

21. Read the value of limit currentHost PCLower computer



Actual limit current =setting value/100Example: [01][03][02][1f][90] [CRC Low][CRC High] I=8080/100=80.8

22. Read LVD 1Host PCLower computer



Actual voltagesetting value/100Example: [01][03][02][0f][dc] [CRC Low][CRC High] V=4060/100=40.6

23. Read reconnection voltage 1Host PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x033 Set the register address high 8 bit 0x104 Low 8 bit 0x0a5 Data higher 8 bit 0x006 Low 8 bit 0x017 CRC check low 8 bit8 CRC check high 8 bit


Actual voltagesetting value/100Example: [01][03][02][14][b4] [CRC Low][CRC High] V=5300/100=53

24. Read LVD 2Host PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x033 Set the register address high 8 bit 0x104 Low 8 bit 0x0c5 Data higher 8 bit 0x006 Low 8 bit 0x017 CRC check low 8 bit8 CRC check high 8 bit


Actual voltagesetting value/100Example: [01][03][02][14][e6] [CRC Low][CRC High] V=5350/100=53.5

25. Read reconnection voltage 2Host PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x033 Set the register address high 8 bit 0x104 Low 8 bit 0x0e5 Data higher 8 bit 0x006 Low 8 bit 0x017 CRC check low 8 bit8 CRC check high 8 bit


Actual voltagesetting value/100Example: [01][03][02][15][7c] [CRC Low][CRC High] V=5500/100=55

26. Read the value of over voltageHost PCLower computer



Actual voltagesetting value/100Example: [01][03][02][16][bc] [CRC Low][CRC High] V=5820/100=58.2

27. Read the value of under voltageHost PCLower computer



Actual voltagesetting value/100Example: [01][03][02][0e][d8] [CRC Low][CRC High] V=3800/100=38

28. Read the value of under voltageHost PCLower computer



Example: [01][03][02][00][02] [CRC Low][CRC High]

29. Read Temperature compensation starting pointHost PCLower computer



Example: [01][03][02][00][28] [CRC Low][CRC High]

30. Read Battery temperature alarm valueHost PCLower computer



Actual battery temperature alarm value= setting value/100Example: [01][03][02][13][88] [CRC Low][CRC High] V=5000/100=50

31. Read Boost charge timeHost PCLower computer



Example: [01][03][02][00][0a] [CRC Low][CRC High] Float charge time=10

32. Read Boost charge intervalHost PCLower computer


Device response [Device address] [Order NO. 03] [The number of returned bytes] [Data1][ Data 2]...[ Data n][ CRC check low 8 bit] [CRC check high 8 bit]Example: [01][03][02][00][c8] [CRC Low][CRC High] Float charge interval =0x00c8=200

RemarkThe Analog values between 0x1000~0x101c Can be read moreat one time.ExampleHost PCLower computer[01][03][10][02][00] [02] [CRC Low][CRC High] Read system voltage, float charge voltage

Lower computer will return the data of system voltage and float charge voltageHost PCLower computer[01][03][10][00][00] [0f] [CRC Low][CRC High] Read 0x1000~0x101c analog values

Lower computer will return the analog value between 0x1000~0x101c

33. Read system timeHost PCLower computer

NO. Byte name Content Remark1 Device address 0x01 Time register address Orderr is

HourMinuteSecondYearMonthday

2 Order NO. 0x03

3 Set the register address high 8 bit 0x114 Low 8 bit 0x005 Data higher 8 bit 0x006 Low 8 bit 0x067 CRC check low 8 bit8 CRC check high 8 bit

Device response [Device address] [Order NO. 03] [The number of returned bytes] [Data1][ Data 2]...[ Data n][ CRC check low 8 bit] [CRC check high 8 bit]Example: Lower computerPC

[01][03][0c][00][08] [00][28] [00][00] [07][d8] [00][05] [00][01] [CRC Low][CRC High]time 83000 2008-05-01

34. Read the specified float charge timeHost PCLower computer

NO. Byte name Content Remark1 Device address 0x01 Time register address Orderr is

HourMinuteSecondYearMonthday

2 Order NO. 0x03

3 Set the register address high 8 bit 0x124 Low 8 bit 0x005 Data higher 8 bit 0x006 Low 8 bit 0x067 CRC check low 8 bit8 CRC check high 8 bit


Example: Lower computerPC[01][03][0c][00][08] [00][28] [00][00] [07][d8] [00][05] [00][01] [CRC Low][CRC High]

The specified float charge time 83000 2008-05-01

35. Read battery voltageHost PCLower computer



Actual voltagesetting value/100Example: [01][03][02][12][f2] [CRC Low][CRC High] V=4850/100=48.5

36. Read battery current 1Host PCLower computer



Actual voltagesetting value/100Example: [01][03][02][27][60] [CRC Low][CRC High] I=10080/100=100.8

37. Read battery current 2Host PCLower computer



Actual voltagesetting value/100Example[01][03][02][27][60] [CRC Low][CRC High] I=10080/100=100.8

38. Read module currentHost PCLower computer




39. Read load currentHost PCLower computer




40. Read battery temperatureHost PCLower computer



Actual temperature alarm value=setting value/100Example[01][03][02][0c][b2] [CRC Low][CRC High] T=3250/100=32.5

41. Read A phase voltageHost PCLower computer



Actual voltagesetting value/100Example[01][03][02][56][22] [CRC Low][CRC High] V=22050/100=220.5

42. Read B phase voltageHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x033 Set the register address high 8 bit 0x204 Low 8 bit 0x0e5 Data higher 8 bit 0x006 Low 8 bit 0x017 CRC check low 8 bit8 CRC check high 8 bit



43. Read C phase voltageHost PCLower computer




44. Read AC frequencyHost PCLower computer




RemarkThe Analog values between 0x2000~0x2010b can read more atone time.ExampleHost PCLower computer[01][03][20][02][00] [02] [CRC Low][CRC High] Read battery current 1, battery current 2

Lower computer will return the data of battery current 1 and battery current 2.Host PCLower computer

[01][03][20][00][00] [09] [CRC Low][CRC High] Read 0x2000~0x2010 analog valuesLower computer will return the analog values between 0x2000~0x2010

45. Read module dataHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x033 Set the register address high 8 bit4 Low 8 bit5 Data higher 8 bit6 Low 8 bit7 CRC check low 8 bit8 CRC check high 8 bit


Actual valuesetting value/100

Remark From 0x3000 can be read more at one timeExample: Host PCLower computer[01][03][30][00][00] [02] [CRC Low][CRC High] Read module 1 current, module 1battery temperatureLower computer will return data of module 1 current and module1 battery temperature.Host PCLower computer

[01][03][30][00][00] [04] [CRC Low][CRC High] Read module 2 current, module2battery temperature, module 3 current and module 3 battery temperature

Lower computer will return data of module 2 current, module2 battery temperature,module 3 current and module 3 battery temperature.

46. Read alarm informationHost PCLower computerDevice response [Device address] [Order NO. 02] [The number of returned bytes] [Data1][ Data 2]...[ Data n][ CRC check low 8 bit] [CRC check high 8 bit][01][02[00][00][00][08] [CRC Low][CRC High]

Read 8 alarm information from 0x0000Device response [Device address] [Order NO. 02] [The number of returned bytes] [Data1][ Data 2]...[ Data n][ CRC check low 8 bit] [CRC check high 8 bit]

[01][02][01][55] [CRC Low][CRC High]0x55 is returned alarm message

47. Set float charge and boost chargeHost PCLower computer

NO. Byte name Content Remark1 Device address 0x012 Order NO. 0x053 Set the register address high 8 bit 0x164 Low 8 bit 0x005 Data higher 8 bit 0xff ffboost charge 00float charge6 Low 8 bit 0x007 CRC check low 8 bit8 CRC check high 8 bit


48. Read the state of float charge and boost chargeHost PCLower computer



Example: [01][01][01][01] [CRC Low][CRC High] Returning is the state of boost charge

[01][01][01][00] [CRC Low][CRC High] Returning is the sate of float charge