control; oil, electric, or steam heating; adjustable daylight; variable closing speed.
income tax on their transfer of shares of US-Holdco to PLC
, if the following conditions are met:
The chip's kernel is programmed through conventional PLC
ladder logic or function block languages, versus C or some other chip-level programming language.
vendors are offering a whole gamut of conventional and "soft" PLCs
with different processor speeds, program and data memory, and such--all based on the same PLC
architecture, plug-in I/O and networking components, programming tools, and associated software tools.
Some of these distributed control systems eliminate the hardwired central PLC
altogether, replacing it with a collection of "smart" microprocessors controlling each field device--whether it be a pump, hopper, or valve.