C# NModbus4实现PLC数据获取（参考HslCommunication）

modbus tcp server 工具

modbus tcp client 工具

自己花用NModbus4重写的工具

  

modbus 协议

读取

bool
[调试] 2021-04-27 09:34:57.940 Thread [009] ModbusTcpServer[502] : Tcp 接收：00 00 00 00 00 06 01 01 00 63 00 01
[调试] 2021-04-27 09:34:57.940 Thread [009] ModbusTcpServer[502] : Tcp 发送：00 00 00 00 00 04 01 01 01 00

short
[调试] 2021-04-27 09:33:23.307 Thread [013] ModbusTcpServer[502] : Tcp 接收：00 00 00 00 00 06 01 03 00 63 00 01
[调试] 2021-04-27 09:33:23.307 Thread [013] ModbusTcpServer[502] : Tcp 发送：00 00 00 00 00 05 01 03 02 00 00

int
[调试] 2021-04-27 09:33:52.148 Thread [013] ModbusTcpServer[502] : Tcp 接收：00 00 00 00 00 06 01 03 00 63 00 02
[调试] 2021-04-27 09:33:52.148 Thread [013] ModbusTcpServer[502] : Tcp 发送：00 00 00 00 00 07 01 03 04 00 00 00 01

float
[调试] 2021-04-27 09:34:29.733 Thread [013] ModbusTcpServer[502] : Tcp 接收：00 00 00 00 00 06 01 03 00 63 00 02
[调试] 2021-04-27 09:34:29.733 Thread [013] ModbusTcpServer[502] : Tcp 发送：00 00 00 00 00 07 01 03 04 00 00 00 01

long
[调试] 2021-04-28 15:41:46.049 Thread [008] ModbusTcpServer[502] : Tcp 接收：00 09 00 00 00 06 01 03 00 64 00 04
[调试] 2021-04-28 15:41:46.049 Thread [008] ModbusTcpServer[502] : Tcp 发送：00 09 00 00 00 0B 01 03 08 3F 80 00 00 00 00 00 00

double
[调试] 2021-04-28 15:42:12.893 Thread [009] ModbusTcpServer[502] : Tcp 接收：00 0B 00 00 00 06 01 03 00 64 00 04
[调试] 2021-04-28 15:42:12.893 Thread [009] ModbusTcpServer[502] : Tcp 发送：00 0B 00 00 00 0B 01 03 08 3F 80 00 00 00 00 00 00

写入

bool
[调试] 2021-04-28 15:43:27.742 Thread [008] ModbusTcpServer[502] : Tcp 接收：00 00 00 00 00 06 01 05 00 64 FF 00
[调试] 2021-04-28 15:43:27.742 Thread [008] ModbusTcpServer[502] : Tcp 发送：00 00 00 00 00 06 01 05 00 64 FF 00

short
[调试] 2021-04-28 15:44:05.406 Thread [003] ModbusTcpServer[502] : Tcp 接收：00 02 00 00 00 06 01 06 00 64 00 01
[调试] 2021-04-28 15:44:05.406 Thread [003] ModbusTcpServer[502] : Tcp 发送：00 02 00 00 00 06 01 06 00 64 00 01

int
[调试] 2021-04-28 15:44:24.557 Thread [003] ModbusTcpServer[502] : Tcp 接收：00 03 00 00 00 0B 01 10 00 64 00 02 04 00 00 00 01
[调试] 2021-04-28 15:44:24.558 Thread [003] ModbusTcpServer[502] : Tcp 发送：00 03 00 00 00 06 01 10 00 64 00 02

float
[调试] 2021-04-28 15:44:45.854 Thread [003] ModbusTcpServer[502] : Tcp 接收：00 04 00 00 00 0B 01 10 00 64 00 02 04 3F 80 00 00
[调试] 2021-04-28 15:44:45.854 Thread [003] ModbusTcpServer[502] : Tcp 发送：00 04 00 00 00 06 01 10 00 64 00 02

long
[调试] 2021-04-28 15:45:37.896 Thread [006] ModbusTcpServer[502] : Tcp 接收：00 06 00 00 00 0F 01 10 00 64 00 04 08 00 00 00 00 00 00 00 01
[调试] 2021-04-28 15:45:37.896 Thread [006] ModbusTcpServer[502] : Tcp 发送：00 06 00 00 00 06 01 10 00 64 00 04

double
[调试] 2021-04-28 15:45:07.224 Thread [003] ModbusTcpServer[502] : Tcp 接收：00 05 00 00 00 0F 01 10 00 64 00 04 08 3F F0 00 00 00 00 00 00
[调试] 2021-04-28 15:45:07.224 Thread [003] ModbusTcpServer[502] : Tcp 发送：00 05 00 00 00 06 01 10 00 64 00 04

bool 读写测试

 short 读写测试

int 读写测试

float 读写测试

double 读写测试

long 读写测试

int, float 涉及传输顺序,必须按照相同的传输顺序进行传送和解析，否则会造成数据错误

 

ModBusTcpServer 与 ModBusTcpClient