ss Hex Value in Error Code 6mss The m subfield in error code 6mss is an index into the routing information indicating where an error has been detected (a value of 0 indicates the local node, a 2 the second device on the route, etc.). The ss subfield in error code 6mss is: ss H...
MASTER= modbus_tcp.TcpMaster('127.0.0.1', 502) hold_value= MASTER.execute(slave=1, function_code=cst.READ_HOLDING_REGISTERS, starting_address=0, quantity_of_x=10)print(hold_value) 或者打开应用端: 执行后抛出异常: Modbus Error: Exception code = 2Modbus Error: Exception code= 2Modbus Error:...
i have tested your propsed setting but that, reated a time out error. in the modscan connetion setting menu the max vaulue is 10. so i could not make thesettings as you propsed 1000and 500. if i changed to 9 and 5 then i get a time out error Click to expand... What setting...
Data length,即数据长度,如果读取PLC内部数据,此处为0x0000;而对于其他功能,则为Data部分的数据长度; 10 – 12 字节: Error class,即错误类型,其错误代码对应意思如下表: 12 - 14 字节: Error code,即错误码,其具体意思参考附录一:错误码具体含义 以上为 header 的全部内容,而 S7comm 协议的Parameter 部分与...
(10)、LinkCount:以太网链路断开计数器; (11)、ErrorCode:错误代码; (12)、ErroMark:错误标志位; (13)、LinkMark:为1,以太网链路断开; (14)、WaitMark:为1,等待服务器同步确认。 2、CP1H_Modbus_TCP_Client_Fn03_S1功能块: 功能块参数说明如下所示: ...
if (error_code != MB_MRE_NO_ERR) { error_count++; } } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 此时的波特率为115200,然后就出现了如下的现象,检测主机发送间隔大于1s,从机回应及时且数据正确,但主机就是反馈错误代码3(表示接收数据错误)。
[10,11,12,13,14];constgetMetersValue=async(meters)=>{try{// get value of all metersfor(letmeterofmeters){// output value to consoleconsole.log(awaitgetMeterValue(meter));// wait 100ms before get another deviceawaitsleep(100);}}catch(e){// if error, handle them here (it should ...
10 SmartLi 3.0 5 Command Type and Format at the Application Modbus Protocol Layer 5.5.2 Error Code Definitions Table 5-10 Error codes returned by NEs Code Name Definition Network Process 0x01 ILLEGAL The function code received in the N/A ...
Getting Frame - 0x3 0x24 0x9 0x7 0x0 0x0 0x9 0x33 0x0 0x0 0x9 0x30 0x0 0x0 0xf 0x9f 0x0 0x0 0x10 0x0 0x0 0x0 0xf 0xda 0x0 0x0 0x6 0x77 0x0 0x0 0x4 0x5f 0x0 0x0 0x3 0xa 0x0 0x0 Unrequested message: ReadHoldingRegistersResponse (18) Frame - not ready rec...
//离散输入数量eMBErrorCodeeMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete ){eMBErrorCode eStatus = MB_ENOERR;returneStatus;} 底层如何传输 我们先看一下最底层modbus数据是如何发送的,没错,看到RS485和232,那我们自然想到了串口。