Error codes

Errors signaled to the driver by the PLC are held in the data point _RK512_num.ErrorPLC. Errors signaled to the PLC by the driver are held in the data point _RK512_num.ErrorDriver.

Those error codes essential for operation of the WCCOArk512 driver are listed in the following table.

Table: Error codes


Code	Comment
10	Access denied.
12	Invalid data type.
20	Configuration error - for instance an illegal data block number might have been set.
22	Error in the third byte of a command message.
42	PLC has stopped.
50	Data block locked by coordination flag.
52	Incorrect length specified in message.
54	Synchronization error - for instance a follow-on message might have been received without a preceding command message.
254	PLC sent a FETCH message to the driver.
255	A task could not be executed.