#Modbus poll connection failed code
This may be because the function code is only applicable to newer devices and was not implemented in the unit selected. The function code received in the query is not an allowable action for the server (or slave).
#Modbus poll connection failed manual
Please refer to the specific PLC user manual for further details. The Multi-level Password can be invoked by creating a Password with an upper case " A" followed by seven numbers ( e.g., A1234567). This allows Password protection while not locking the communication port to an operator interface. DirectLogic PLCs support Multi-level Password Protection of the ladder program. The Mode Switch of the PLC must be in the ( TERM) position in order for the C-more Panel to communicate with the PLC. Note: When using Automation Direct DirectLogic PLCs: 1.
Note: The following Errors are generated from the designated PLC, monitored by the C-more Panel, and displayed on the panel's screen if active. Please refer to the PLC manufacturer's documentation for additional and up-to-date information. To see a link to the C-more Errors Table, which provides Error Codes specific to the C-more Panel, click the green text. These values, specific to the Modbus protocols, appear in the table below.
The error message is displayed across the top of the panel screen.Įrror Code P499 shows any Errors that are generated by the connected PLC. The P499 Error Message includes a four-digit hexadecimal value displayed at the end of the message. AutomationDirect Modbus (Koyo Addressing).
The following table provides reference information for Error Codes specific to the Modbus protocols:
0 kommentar(er)
