FLProg

Visual programming for not programmers

Яндекс.Метрика
The last error in the Modbus


Block is used to display information about the last error in the exchange are tied to him by a slave. Output "ErrorCode" will be either the last error code or 0 if in the last exchange session there was no error. The output "New Error" at occurrence of each error to generate a long pulse in one cycle of the program.

Error codes:
Function is not supported - 1
Error requested address - 2
Slave master is not responding (timeout) - 244
Error CRC - 255