Overview > io-link > Communication parameters Communication parameters In the following table contains the devices basic IO-Link attributes. Communication Parameters Specification IO-Link Description Value Transmission rate COM COM3 (230.4 kBaud) Minimum cycle time of device min cycle time 0×1E (3 ms) IO-Link protocol version Revision ID 0×11 (Version 1.1) Amount of process data from the device to themaster ProcessDataIn 0×8D (14 bytes) Amount of process data from the master to the device ProcessDataOut 0×87 (8 Byte) Manufacturer ID Vendor ID 0×378 Device identification Device ID 0x05F304