What is IO-Link？
IO-Link is an open, standardized technology that allows users to set up point-to-point connections。It does not need to address the sensor。IO-Link components are compatible with each other。
IO-Link is a field bus？
IO-Link is not a fieldbus。In an automation architecture, IO-Link is located below the fieldbus topology。The IO-Link master identity acts as a protocol translation gateway for connecting sensors to the fieldbus and connected controllers。
What is the IO-Link master station？
The IO-Link master station is used to establish a connection between one or more IO-Link devices and the fieldbus system, acting as a gateway。
IO-Link configurable DI/DO slave module, how to define each point as output mode or input mode？
The default factory setting for each IO is input mode, which needs to be configured by PCT tools or program function blocks。
IO-Link M12 slave module, how are the signal points distributed for each M12 port？
Each M12 port contains two signal points, Pin2 and Pin4, in different bytes, respectively, in the Siemens system Pin4 in the low byte, Pin2 in the high byte。
In the Japanese PLC (Mitsubishi, Omron, Keyence), IO-Link analog input from the station module, why the data collected fluctuate greatly？
In Japanese PLC, the data type of "word" is inverse, and when used, it is the true value after adjusting the high and low bytes。
In Siemens PLC configuration, slot configuration of IO-Link master station, how to choose the appropriate number of device bytes？
The number of bytes occupied by different IO-Link slave stations must be configured according to the number of input and output bytes specified in the user manual or selection manual。
How to change the IP address of the module when Profinet communication protocol？
When the protocol is used for communication, the IP address of the module is assigned by the PLC or controller configuration, which cannot be set by using tools such as PCT。
IO-Link master station module needs EtherNET IP communication, how to switch protocols？
The default multi-protocol module is Profinet. If you need to switch protocols, refer to the steps in the manual. When the DIP switch is used, each DIP switch adjustment takes effect when the module is powered on next time。
IO-Link valve island. Only 4 valves are installed and 1 byte output is configured. Why does the IO-Link master station report an error？
The IO-Link valve island should be configured with a 6-byte output, or higher, regardless of the number of valves installed。
