DDC Online direct digital controls
  1. DDC Systems
  2. TAC
  3. Vista  

TAC - Vista  
Architecture
Diagram Description
Software 880260 879770 879750 879460 879960 879650 879660 879670
Primary Control Unit TAC Xenta 401 Controller and 400 Series I/O Modules
Supervisory Interface Devices TAC Xenta 401:B
Secondary Control Units TAC Xenta 100 Series TAC Xenta 121 TAC Xenta 280 Series TAC Xenta 300 Series
Communications Interface Devices TAC Xenta 511 TAC Xenta 555 TAC Xenta 901 TAC Xenta 911 TAC Xenta 913