Modbus Connector Error Codes
Check out this article and learn more details about the i4scada Modbus Connector error codes.
Init
Error Code | Details |
|---|---|
0 | Success. |
-999 | License check fails (no license) |
-1 | Already initialized (Init already called) |
-2 | Registry reading fails |
-3 | Configuration XML string received in Init method is not correctly formatted on the syntax level or it does not represent valid Modbus connector configuration |
-4 | Configuration XML string received in Init method does not allow to build list of signals |
ActivateSignals
Error Code | Details |
|---|---|
0 | Success. |
-1 | Invalid input parameters in ActivateSignals Method call |
Individual signal error codes
Error Code | Details |
|---|---|
0 | Success. |
-1 | Activation of the signal denied because number of signals that can be activated specified by Modbus connector license was already reached |
-2 | Unknown signal name - signal is not configured |
WriteSignalsAsync
Error Code | Details |
|---|---|
0 | Success. |
-1 | Invalid input parameters in WriteSignalsAsync Method call |
Individual signal error codes
As returned by WriteSignalsAsync itself
Error Code | Details |
|---|---|
0 | Success. |
-1 | Unknown signal name - signal is not configured |
Additional individual signal error codes
As returned by the OnWriteSignals event signaling completion of the WriteSignalsAsync call
Error Code | Details |
|---|---|
-4 | Attempt to write to signal which is neither coil nor holding register |
-5 | Signal value is of incorrect type and cannot be converted |
-7 | Data type conversion of the value before writing failed |
-10 | Writing to the device itself failed |
WriteSignalsSync
Error Code | Details |
|---|---|
0 | Success. |
-1 | Invalid input parameters in WriteSignalsAsync Method call |
Individual signal error codes
Error Code | Details |
|---|---|
0 | Success. |
-1 | Unknown signal name - signal is not configured |
-4 | Attempt to write to signal which is neither coil nor holding register |
-5 | Signal value is of incorrect type and cannot be converted |
-7 | Data type conversion of the value before writing failed |
-10 | Writing to the device itself failed |