Delta AS Series Programming Manual page 815

AS Ser ies Pro gra mm in g M anu al
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16. The communication process among the PLC CPU, AS04SIL and IO-Link device:
6-536
The parameter length underrun
The function is NOT available.
The function is currently NOT available.
Invalid parameters set
Inconsistent parameters set
Application is NOT ready for use.
The IO-Link device is NOT in IO-Link mode.
The communication port is NOT connected to any IO-Link device.
The connection to IO-Link device is establishing.
Communication port number exceeds the setting range 1~4.
The sub-index number of the parameter exceeds the setting range 0~255.
The data to be read and written exceeds the setting range 1~232.
Reserved
Communication timeout; no response from IO-Link device for over 5000 ms.
Incorrect AS04SIL module number or group number
Internal communication error
Execute more than two IO-Link read/write instructions on the same AS04SIL module.
The starting address of the read/write device + the data length to read/write exceed the device
setting range.
The value of the parameter data type exceeds the setting range.
The parameter data type and the read/write data length are inconsistent.
A: The PLC CPU sends data to AS04SIL.
B: AS04SIL sends data to the IO-Link device.
C: the IO-Lind Device is processing the request and send
data to AS04SIL.
D: The PLC CPU updates the status (DONE / ERROR) and
receives the data.