PLC and DCS System Performance 
The DCS does not have to be that quick most of the time. The regulatory control loops scan normally in the 100 to 500 millisecond range. It should be detrimental to have executed of control logic any faster possibly causing excessive wear on final co...
tem-performance.html
PLC Compare to the PAC
The PLC is very much alive and well, with a long life ahead. But, this industrial workhorse has morphed in numerous ways to retain its appeal to both industrial and commercial markets. Automation suppliers continue to reengineer the PLC to lower pric...
pac.html
Automatic Gates
Automatic Gates using PLC Sequence PLC Programming for Automatic Gates : 1. Open Gate a. If Area Sensor 1 = OFF Then Electric Motor for Open Gate = ON. b. If Limit Switch for Open gate = ON Then Electric Motor for Open Gate = OFF. c. Electric Motor f...
-using-plc.html