clotworthy
Member
- Join Date
- Aug 2004
- Posts
- 4
what are the advantages of using PLCs as opposed to traditional relay logic systems.
Fie on Ron for giving too big of hint
Allen Nelson said:After all, how can a $5000 PLC be cheaper than some $2 relays?
And yet, PLCs are justified to corporate executives based on cost. So how can that be?