The method SystemCommand executes an IO-Link SystemCommand as defined in IO-Link Specification.
IO-Link SystemCommands shall be executed by an ISDU write request on Index 0x0002, or, in case ISDUs are not supported, via a write on Index 0x0F on Direct Parameter Page 1.
Signature
SystemCommand (
[in]Byte Cmd,
[out]UInt16 ErrorType,
[out]Int32 Status
);
|
Argument |
Description |
|
Cmd |
Index of the SystemCommand |
|
ErrorType |
Hex Values converted to UInt16 returned as ErrorType in case the operation was not successful. Data needs to be interpreted according to the IO-Link Specification. 0 if the operation was successful. Note that in case the device supports no ISDUs and the SystemCommand is triggered via writing Parameter Page 1, no indication of a positive or negative response is provided and the ErrorType is always 0. Note that the SystemCommand is optional. In case the IO-Link Device does not support it, the ErrorType returned by the IO-Link Device shall be returned. |
|
Status |
Returns the status of the operation. 0: OK, operation successful -1: Operation already running, either by same or different ISDU read or write -2: Device not active, either device not connected, not in operation mode or port is configured not to be in IO-Link mode -3: Operation executed but error code returned from device, details are provided in ErrorType |