Delta AS Series Programming Manual page 813

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Symbol
Explanation
1. This instruction is available for PLC with FW V1.08.50 or later and ISPSoft V3.12 or later.
2. You can refer to the IODD file of the IO-Link device to learn more about the device parameters. You can also use this
instruction to read the IO-Link device parameters.
3. There is no limit on the number of times you execute the instruction but only one instruction (IOLINKR or IOLINKW)
can be executed at a time.
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4. During communication, it takes at least 5 seconds for the IO-Link device to response. Do NOT stop or start another
instruction during this time. After the communication with IO-Link is done, it is suggested to use the flags DONE or
ERROR to stop or start the instruction.
5. Group: The group number of AS04SIL that is connected to the right side of PLC directly or connected to the remote
module that acts as PLC, e.g. the first connected module is module number 1, the second connected module is number
2. Up to 15 modules can be connected. If the connected module is not AS04SIL, the Error flag switches to ON.
6. Module: The module number that is connected to the right side of PLC directly or connected to the remote module
that acts as PLC, e.g. the first connected module is module number 1, the second connected module is module number
2. Up to 32 modules can be connected and counted and each type of modules should be included in the count. If the
module is not AS04SIL, the Error flag switches to ON.
7. Port: The communication port number, ranging from 1 to 4. If the port number used is not the port for AS04SIL, the
Error flag switches to ON.
8. Index is the index number that is read from the parameter of the IO-Link device.
9. SubIndex is the sub-index number that is read from the parameter of the IO-Link device. The sub-index number can
be set from 0 to 255. If the value exceeds the setting range, the Error flag switches to ON.
10. DateType is the parameter data type of the IO-Link device. You need to set the correct datatype before executing this
instruction.
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Group : Group number
： Module number
Module
： Communication port number
Port
： Index number of the parameter
Index
SubIndex ： Subindex number of the parameter
DataType ： Data type
ReadLen ： The length of the read data
DataRead ： Data that is read
： Communication complete
Done
： Error flag
Error
ErrCode ： Error code