Patent ID: 9306802
Filing Date: 2016-04-05
CPC Classification: H04L

Claim Text:
1. A method of displaying fault tolerant Ethernet (FTE) cable status, comprising: collecting an updated FTE cable status from each of a plurality of FTE devices (FTE devices) during operation of a process control system comprising a plant control network (PCN) which is a token passing local area network (LAN) including an UCN status display configured for token bus control coupled to an Enhanced Universal Control Network (EUCN) that is Ethernet connected including an Enhanced Network Interface Module (ENIM) that said FTE devices are Ethernet coupled to; storing said updated FTE cable status from each of said FTE devices in a memory; compiling a UCN cable status word (CSW) including a plurality of cable status bits allocated for representing said updated FTE cable status for each of said FTE devices, wherein locations for said cable status bits in said UCN CSWs are used by said UCN status display to show changes in cable status; reading said UCN CSWs at a node having said UCN status display, and displaying said updated FTE cable status on said UCN status display.