Documentation
FieldTalk Modbus Slave Library for .NET
BusProtocolErrors Class |
Protocol Errors and Modbus exceptions codes
Inheritance HierarchySystemObject
FieldTalk.Modbus.SlaveBusProtocolErrors
FieldTalk.Modbus.SlaveBusProtocolErrors
Namespace: FieldTalk.Modbus.Slave
Assembly: FieldTalk.Modbus.Slave (in FieldTalk.Modbus.Slave.dll) Version: 2.11.0-eval+eb1ecbe71c969eff5d7c05d58da16dade0474678
SyntaxThe BusProtocolErrors type exposes the following members.
Methods| Name | Description | |
|---|---|---|
  | getBusProtocolErrorText | Returns string description of an error code |
Fields| Name | Description | |
|---|---|---|
 | FTALK_BUS_PROTOCOL_ERROR_CLASS | Fieldbus protocol error class |
| FTALK_CHECKSUM_ERROR | Checksum error |
| FTALK_CONNECTION_WAS_CLOSED | Remote peer closed TCPIP connection |
| FTALK_EVALUATION_EXPIRED | Evaluation expired |
| FTALK_FILEDES_EXCEEDED | File descriptors exceeded |
| FTALK_ILLEGAL_ARGUMENT_ERROR | Illegal argument error |
| FTALK_ILLEGAL_SLAVE_ADDRESS | Slave address 0 illegal for serial protocols |
| FTALK_ILLEGAL_STATE_ERROR | Illegal state error |
| FTALK_INSUFFICIENT_BUFFER | Size of response buffer insufficient |
| FTALK_INVALID_FRAME_ERROR | Invalid frame error |
| FTALK_INVALID_MBAP_ID | Invalid MPAB indentifer |
| FTALK_INVALID_REPLY_ERROR | Invalid reply error |
| FTALK_IO_ERROR | IO error |
| FTALK_IO_ERROR_CLASS | IO error class |
| FTALK_LINE_BUSY_ERROR | Serial line busy/noisy |
| FTALK_LINE_ERROR | Serial line error |
| FTALK_LISTEN_FAILED | Listen failed |
| FTALK_MBUS_EXCEPTION_RESPONSE | Modbus exception response |
| FTALK_MBUS_GW_PATH_UNAVAIL_RESPONSE | Gateway Path Unavailable exception response |
| FTALK_MBUS_GW_TARGET_FAIL_RESPONSE | Gateway Target Device Failed exception response |
| FTALK_MBUS_ILLEGAL_ADDRESS_RESPONSE | Illegal Data address exception response |
| FTALK_MBUS_ILLEGAL_FUNCTION_RESPONSE | Illegal Function exception response |
| FTALK_MBUS_ILLEGAL_VALUE_RESPONSE | Illegal Data Value exception response |
| FTALK_MBUS_SLAVE_FAILURE_RESPONSE | Slave Device Failure exception response |
| FTALK_NO_DATA_TABLE_ERROR | No data table configured |
| FTALK_OPEN_ERR | Port or socket open error |
| FTALK_OVERRUN_ERROR | Serial buffer overrun |
| FTALK_PORT_ALREADY_BOUND | TCP port already bound |
| FTALK_PORT_ALREADY_OPEN | Serial port already open |
| FTALK_PORT_NO_ACCESS | No permission to access serial port or TCP port |
| FTALK_PORT_NOT_AVAIL | TCP port not available |
| FTALK_REPLY_TIMEOUT_ERROR | Reply time-out |
| FTALK_SEND_TIMEOUT_ERROR | Send time-out |
| FTALK_SOCKET_LIB_ERROR | Socket library error |
| FTALK_SUCCESS | Operation was successful |
| FTALK_TCPIP_CONNECT_ERR | TCPIP connection error |
Remarks
Definition of error codes returned by the FieldTalk functions.
The error code can be converted to a UNICODE error text using the
function BusProtocolErrors.getBusProtocolErrorText.
Thread SafetyStatic members of this type are safe for multi-threaded operations. Instance members of this type are safe for multi-threaded operations.
See Also