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S&A CWFL-3000BT, Руководство пользователя

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CWFL-3000 Series

30

七、

MODBUS RS-485

通讯功能

本系统采用

MODBUS-RTU

通讯从机模式，波特率

9600

，无奇偶校验，

8

位数据位，

1

位停止位，支持

MODBUS-RTU

命令

03

（读保持寄存器），

06

（写

单个寄存器）通讯格式如下

1

、

03

命令格式

主机发送命令

从机响应

功能码

1

个字节

0x03

字节数

1

个字节

2*N

（

N

为寄存器的数量）

寄存器值

N*2

个字节

错误

如：主机发送地址为

1

，请求从机读寄存器

108-110

的命令

主机发送：

01 03 00 6B 00 03 XX YY

。其中，

01

为从机地址，

03

为功能码，

00 6B

为起始地址，

00 03

为寄存器数量，

XX YY

为

CRC

校验得到的结果。

从机响应：

01 03 06 02 2B 00 00 00 64 XX YY

。其中，

01

为从机地址，

03

为功能码，

06

为发送的数据字节数，

02 2B 00 00 00 64

分别对应寄存器

108-110

中的数值，

XX YY

是校验码。

如果从机接收到数据有误，则返回数据

01 83 01 XX YY

。其中，

01

为从

机地址，

83

为差错码，

01

为异常码，

XX YY

为校验码。

2

、

06

命令格式

主机发送命令

从机响应

错误

如：主机发送地址为

1

，请求将数据

00 03

写入寄存器

2

的命令

主机发送：

01 06 00 02 00 03 XX YY

。其中，

01

为从机地址，

06

为功能码，

00 02

为寄存器地址，

00 03

为要写入的数据，

XX YY

为

CRC

校验码。

功能码

1

个字节

0x03

起始地址

2

个字节

0x0400

至

0x044a,0x0100

至

0x0108,0x0800

至

0x0803

寄存器数量

2

个字节

1

到

10

差错码

1

个字节

0x83

异常码

1

个字节

01

或

02

或

03

或

04

功能码

1

个字节

0x06

寄存器地址

2

个字节

0x0400

至

0x044a

寄存器值

2

个字节

0x0000

至

0xffff

功能码

1

个字节

0x86

寄存器地址

2

个字节

0x0400

至

0x044a

寄存器值

2

个字节

0x0000

至

0xffff

差错码

1

个字节

0x86

异常码

1

个字节

01

或

02

或

03

或

04

Содержание CWFL-3000BT

Страница 1: ...CWFL 3000 DUAL TEMPERATURE AND DUAL PUMP INDUSTRIAL CHILLER USER MANUAL...

Страница 2: ...and parts introduction 4 3 Installation 5 4 Unit introduction and parameters adjustment 6 5 Conductivity meter optional 12 6 Alarm and communication output 12 7 MODBUS RS 485 communication function 1...

Страница 3: ...the chiller without water in the storage water tank The new machine is packed after draining whole water in the tank so please make sure the tank has water inside before machine starting otherwise it...

Страница 4: ...ER GAUZE POWER SUPPLY ALARM OUTPUT WATER OUTLET H R OUTLET H WATER INLET H OVERFALL GAP FILTER AIR OUTLET WATER INLET L WATER OUTLET L WATER LEVEL GAUGE LTER DRAIN WATER SUPPLY INLET POWER SWITCH COND...

Страница 5: ...will automatically control the working conditions of the compressor magnetic valve fans and other parts based on the set controlling parameters 4 As it takes a longer time to start over the compressor...

Страница 6: ...tton Lang UP button Down button Power button Set button Set Quick Set button Quick Set and Quit button Quit Turn off the chiller by pressing the Power button for 3 sec while other operations can be co...

Страница 7: ...operation condition press and hold Set button and Power button for 10 sec to have the password input interface popped up then input password 615 to enter into administrator setting parameters restora...

Страница 8: ...mp 1 F9 1 20 Min 1 Constant temp mode invalid 0x040a 11 F11 Ultra high room temp alarm 40 50 45 0x040b 12 F12 Ultra high water temp alarm 1 20 10 0x040c 13 F13 Ultra low water temp alarm 1 20 15 0x040...

Страница 9: ...set at 0 water temperature is controlled by F1 and F5 3 Under Intelligent Control mode F4 and F8 set at 1 water temperature is self adjusting according to ambient temperature The temperature differenc...

Страница 10: ...shut down Manual clearing E10 Low temp water pump overload alarm E10 shown with alarm sound The water pump compressor condenser fans and heater of the high low temp system shut down Manual clearing E1...

Страница 11: ...denser fans and heater of the high low temp system shut down Automatic clearing E20 Exhaust temp sensor failure alarm E20 shown with alarm sound Each refrigeration part runs under usual procedures Aut...

Страница 12: ...tection function 1 Alarm and MODBUS RS 485 communication output wiring diagram 2 Working condition table of alarm signal Unit condition Built in buzzer of temp controller OUT H1 H2 OUT H1 H3 ILUS Work...

Страница 13: ...g address is 1 requests 108 110 command of slave read register and send 01 03 00 6B 00 03 XX YY thereinto 01 as slave address 03 as function code 00 6B as initial address 00 03 as register number and...

Страница 14: ...ption Range Default Unit Data resolution Symbol 0x0100 Room temp sensor temperature 25 100 0 1 bit yes 0x0101 Water temp sensor temperature Low temp 25 100 0 1 bit yes 0x0102 Water temp sensor tempera...

Страница 15: ...ankcase heating 0 Off 1 On Bit4 Low temp heating rod 0 Off 1 On Bit3 Low temp refrigerant solenoid valve 0 Off 1 On Bit2 Condensing fan 0 Off 1 On Bit1 Compressor relay 0 Off 1 On Bit0 LSb Low temp wa...

Страница 16: ...temp sensor failure alarm 0 No alarm 1 Alarm 0x0803 Alarm status low 16 bit MSByte Bit7 MSb Low temp system water temp sensor failure 0 No alarm 1 Alarm Bit6 Room temp sensor failure 0 No alarm 1 Ala...

Страница 17: ...Refrigerant R 22 R 410a Refrigerant charge 2100 g 2450 g Precision 1 Reducer Capillary Protection Overcurrent protection for compressor flow alarm over temperature alarm Pump power 0 55W 0 75 KW 0 37...

Страница 18: ...let Water circulation pipes are blocked or a pipe bending deformation Check water circulation pipe Ultra high temperature alarm controller displays E05 or E07 Blocked dust gauze bad thermolysis Unpick...

Страница 19: ...CWFL 3000 Series 19 CWFL 3000...

Страница 20: ...CWFL 3000 Series 20 21 22 23 24 29 29 MODBUS RS 485 30 33 34...

Страница 21: ...CWFL 3000 Series 21 1 2 10 3 50Hz 60Hz 4 NORMAL NORMAL 5 50cm 30cm 6 7 8...

Страница 22: ...CWFL 3000 Series 22...

Страница 23: ...CWFL 3000 Series 23 1 2 3 4 1 2 3 4 5 6 CWFL 3000 25 24...

Страница 24: ...CWFL 3000 Series 24 1 MODBUS 485 1200 2 5 3 4 5 1 1 Lang Set Quick Set Quit 2 quick set quick set quick set quick set quit 15 3 set 5 168 set 168...

Страница 25: ...CWFL 3000 Series 25 set set quit 15 4 set 5 123 set 1 quit 5 set 10 615 Set 2 6 quick set 5 7 quick set 5 quick set quick set quick set 8 Lang Lang 9 5...

Страница 26: ...20 15 0x040d 14 F14 0 30 5 0x040e 15 F15 0 180 10 0x040f 16 F16 0 180 5 0x0410 17 F17 0 180 2 0x0411 18 F18 0 10 0 8 0 1 0x0412 19 F19 0 180 5 0x0413 20 F20 0 180 30 0x0414 21 F21 0 180 90 0x0415 22 F...

Страница 27: ...CWFL 3000 Series 27 1 2 F4 F8 0 F1 F5 3 F4 F8 1 F2 F6 4 3 4 E00 E00 E01 E01 E02 E02 E03 E03 E04 E04 E05 E05 E06 E06 E07 E07 E08 E08 E09 E09 E10 E10 E11 E11 E12 E12 E13 E13 E14 E14 E15 E15...

Страница 28: ...CWFL 3000 Series 28 E16 E16 E17 E17 E18 E18 E19 E19 E20 E20 E21 E21...

Страница 29: ...CWFL 3000 Series 29 1 0 1 20 2 3 1 MODBUS RS 485 2 H1 H2 H1 H3 E00 E01 E08 E09 E10 E12 E13 E15 E02 E03 E11 E14 E16 E17 E18 E20 E21 E04 E05 E06 E07 E19 5A 300V...

Страница 30: ...CRC 01 03 06 02 2B 00 00 00 64 XX YY 01 03 06 02 2B 00 00 00 64 108 110 XX YY 01 83 01 XX YY 01 83 01 XX YY 2 06 1 00 03 2 01 06 00 02 00 03 XX YY 01 06 00 02 00 03 XX YY CRC 1 0x03 2 0x0400 0x044a 0x...

Страница 31: ...bit 0x0104 0 1 200 L Min 0 1 bit 0x0105 0 1 200 L Min 0 1 bit 0x0105 0 1 500 s cm 0 1 bit 0x0106 0 50 A 0 1 bit 0x0107 0 50 A 0 1 bit 0x0108 0 50 A 0 1 bit 4 0x0800 MSByte Bit7 MSb Bit6 Bit5 Bit4 Bit...

Страница 32: ...7 MSb Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 LSb LSByte Bit7 MSb 0 1 Bit6 0 1 Bit5 0 1 Bit4 0 1 Bit3 0 1 Bit2 0 1 Bit1 0 1 Bit0 LSb 0 1 0x0803 16 MSByte Bit7 MSb 0 1 Bit6 0 1 Bit5 0 1 Bit4 0 1 Bit3 0 1 Bi...

Страница 33: ...P 1706 Btu h 26136 Btu h 1706 Btu h 25726 Btu h 0 5 KW 7 66 KW 0 5 KW 7 54 KW 430 Kcal h 6586 Kcal h 430 Kcal h 6483 Kcal h R 22 R 410a 2100 g 2450 g 1 0 55W 0 75 KW 0 37 KW 0 75 KW 6 L 34 L Rp1 2 Rp1...

Страница 34: ...CWFL 3000 Series 34 E01 E02 E01 E02 E05 E07 E03 40...

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