Scotty - thanks for the quality answers.
1. We will have local disconnects/hand off autos at the fans for emergency stop
2. I was planning on using just a PC with Wonderware. For redundancy, we will have a spare PC.
3. Re: security, I will check with our IT dept about using an ACL, firewall...
Hi,
We're installing some vent fans in building A and want to be able to control them manually from building B. The control requirements are simply on/off/reverse. The two buildings are about 1km apart. There is a fiber optic communication backbone between both buildings.
After some research...