Chapter 3 PLC System Configuration & Settings 3.1.3.17 IO-Link Please find the AS Series Module Manual for more details. AS04SIL-A as the “Master” device communicates to the IO-Link devices, such as smart sensors and actuators, compatible with traditional sensors and actuators. Circuits and communication channels are designed with via a point-to-point connection with an unshielded standard cable adopting 3-wire technology. It is backwards reliable 24V DC power supply. The “Hardware Configuration” tab on the interface of AS04SIL-A Edit area includes modules information and settings, while the “IO-Link” tab displays the information and settings of IO-Link as shown below. 3-65