ModbusClientExceptionStatus
ModbusClientExceptionStatus is a component used to read and expose Modbus function code 07 (Exception Status) data from a Modbus device.
Figure 14. ModbusClientExceptionStatus property sheet
To use, you copy (drag) from the palette, and paste (drop) directly onto a client Modbus device —it must be a direct child of the ModbusAsyncDevice, ModbusTcpDevice or ModbusTcpGatewayDevice.
| Property | Value | Description |
|---|---|---|
| Status | read-only | Indicates the condition of the network, device or component at the last check.
|
| Enabled | true or false (defaults to true)
|
Activates (true) and deactivates (false) the object (network, device, point, component, table, schedule, descriptor, etc.).
|
| Fault Cause | read-only | Indicates the reason why a system object (network, device, component, extension, etc.) is not working properly (in fault). This property is empty unless a fault exists. |
| Poll Frequency | drop-down list | Configures how frequently the system polls proxy points. |
| Bytes Returned | number (defaults to 1) | Specifies the exception status of the device whether it uses 1 or 2 bytes, and also the poll frequency to be used. |
| Last Successful Read | read-only date and time | Reports the last successful read. |
| Read Status | additional properties | Provides a numeric Error Code and Error Description, as well as timestamps of both the last successful and last failed read attempts.
|
| Error Code | read-only number | Reports the number associated with a read or write error. |
| Error Code | read-only number | Reports the number associated with a read or write error. |
| Error Description | read-only | Reports the description of the read or write error. |
| Out | additional properties | Exposes the exception status data as StatusBooleans on (Bit 0 to Bit 15) as well as a StatusNumeric Out slot. |