Modbus RTU Fehlernummern


TYPE MODBUS_ERRORS :
(
(* Modbus communication errors *)
MODBUSERROR_NO_ERROR, (* 0 *)
MODBUSERROR_ILLEGAL_FUNCTION, (* 1 *)
MODBUSERROR_ILLEGAL_DATA_ADDRESS, (* 2 *)
MODBUSERROR_ILLEGAL_DATA_VALUE, (* 3 *)
MODBUSERROR_SLAVE_DEVICE_FAILURE, (* 4 *)
MODBUSERROR_ACKNOWLEDGE, (* 5 *)
MODBUSERROR_SLAVE_DEVICE_BUSY, (* 6 *)
MODBUSERROR_NEGATIVE_ACKNOWLEDGE, (* 7 *)
MODBUSERROR_MEMORY_PARITY, (* 8 *)
MODBUSERROR_GATEWAY_PATH_UNAVAILABLE, (* A *)
MODBUSERROR_GATEWAY_TARGET_DEVICE_FAILED_TO_RESPOND, (* B *)

(* additional Modbus error definitions *)
MODBUSERROR_CHARREC_TIMEOUT := 16#20, (* 20 hex *)
MODBUSERROR_ILLEGAL_DATA_SIZE, (* 21 hex *)
MODBUSERROR_ILLEGAL_DEVICE_ADDRESS, (* 22 hex *)
MODBUSERROR_ILLEGAL_DESTINATION_ADDRESS, (* 23 hex *)
MODBUSERROR_ILLEGAL_DESTINATION_SIZE, (* 24 hex *)
MODBUSERROR_NO_RESPONSE, (* 25 hex *)

(* Low level communication errors *)
MODBUSERROR_TXBUFFOVERRUN := 102, (* 102 *)
MODBUSERROR_SENDTIMEOUT := 103, (* 103 *)
MODBUSERROR_DATASIZEOVERRUN := 107, (* 107 *)
MODBUSERROR_STRINGOVERRUN := 110, (* 110 *)
MODBUSERROR_INVALIDPOINTER := 120, (* 120 *)
MODBUSERROR_CRC := 150, (* 150 *)

(* High level PLC errors *)
MODBUSERROR_INVALIDMEMORYADDRESS := 232, (* 232 *)
MODBUSERROR_TRANSMITBUFFERTOOSMALL (* 233 *)
);
END_TYPE