Documentation
FieldTalk Modbus Slave Library for .NET
MbusDataTableInterfacereadDeviceIdentification Method |
Override this method to implement Read Device
Identification objects to support Modbus function 43 (hex 2B)
subfunction 14 (hex 0E).
Namespace: FieldTalk.Modbus.Slave
Assembly: FieldTalk.Modbus.Slave (in FieldTalk.Modbus.Slave.dll) Version: 2.11.0-eval+eb1ecbe71c969eff5d7c05d58da16dade0474678
SyntaxParameters
- objId
- Type: SystemInt32
objId ID number (0x00 - 0xFF)
Return Value
Type: StringRequested Device ID string object
Remarks
This function allows a master to retrieve various objects with
meta information about a slave device. The objects are returned as
ASCII string.
| Object Id | Object Name / Description |
| 0x00 | VendorName |
| 0x01 | ProductCode |
| 0x02 | MajorMinorRevision |
| 0x03 | VendorUrl |
| 0x04 | ProductName |
| 0x05 | ModelName |
| 0x06 | UserApplicationName |
| 0x07 - 0x7F | Reserved |
| 0x80 - 0xFF | Vendor specific private objects |
Required: No
Default Implementation: Returns null which causes an unsupported ID exception reply
See Also