Blog

The question was asked: "Is is possible to connect different Ethernet switches (Manufacturer / Configuration / Specification) in a ring network ? If yes, then how could be the performance of data transfer?". My response was:

There are a number of international standards that deal with ring topolog...

The real benefit of using a function specific logical node (e.g. PTRC, PDIF etc) is that the LN conveys a lot of semantic information.

If you use GGIO you need to maintain a parallel set of document that describe the purpose of each GGIO. This is really no benefit over DNP3 or Modbus point...

The question “What’s the difference between bay ,process and station level, why and when we use them?” was asked. My response was:

@Mudassir, if you have access to 61850 standards then the best place to get the formal definitions is from IEC 61850-1. The station, bay and process levels are defined...

The question was asked whether IEC 61850-9-2 Process Bus will be a future trend in the Utilities market, even for indoor substations? My response was:

I believe there is a strong benefit for indoor GIS substations too. 9-2 process buses facilitate vendor independent connections to non-conventional...

I’ve been on the hunt for a really good keyboard for some time. I bought a cheap Logitech one to go with my new desktop PC, but discovered that the arrangement is non standard. While it has all the keys (unlike some of the Apple keyboards) they’re in strange places and crammed in together.

I found...