Gary L. Pratt, P.E.

latest from Gary L. Pratt, P.E.

Courtesy: ControlSphere Engineering

Which IEC 61131-3 Programming Language is best? Part 2

Courtesy: ControlSphere Engineering

Which IEC 61131-3 programming language is best? Part 1

Figure 1: In OOIP, the control design is built from objects which match those in the physical plant or equipment design. Courtesy: ControlSphere Engineering

OOIP Part 3: interfaces and methods

Figure 1: In OOIP, the control design is built from objects that match those in the physical plant or equipment design. Courtesy: Coherent Technologies Inc.

Leveraging OOIP, Part 2: Abstraction, nesting and interfaces

Figure 9: Second order control loop Bode analysis can help if the first order gain was insufficient. Courtesy: ControlSphere LLC

Diagnostics, Asset Management

Using IEC 61131-3 programming languages for simulation

Figure 4: Control objects mirror plant objects. The analog input block on the lower left side shows object oriented industrial programming (OOIP) encapsulation. Courtesy: ControlSphere LLC

Diagnostics, Asset Management

Leverage object-oriented industrial programming