Echelon IzoT Commissioning Tool - Manual (Page 383)

Virtual Functional Block
A static functional block that that contains the network inputs and outputs for a device that are not part
of other functional blocks on the device.
Wink
A management command used to identify a device on the network and verify that is communicating.
Winking a device causes it to generate application-dependant audio or visual feedback such as a beep
or a flashing service LED.
IzoT Commissioning Tool User’s Guide 367