PLC Math Instructions: ADD, SUB, MUL, DIV in Ladder Logic Explained
DCS and Automation PLC Math Instructions: ADD, SUB, MUL, DIV in Ladder Logic PLC math instructions let a Ladder Logic program perform arithmetic directly on.
PLC Compare Instructions: EQU, NEQ, LES, GRT Explained with Ladder Examples
DCS and Automation PLC Compare Instructions: EQU, NEQ, LES, GRT PLC compare instructions test a condition between two values and return true or false. A.
DCS Control Strategies: PID, Cascade, Ratio and Feedforward Explained
DCS and Automation DCS Control Strategies: PID, Cascade, Ratio and Feedforward A DCS can run several control strategies in parallel. PID handles most single-loop regulatory.
PLC Programming Languages: Ladder, FBD, SFC, ST and IL Compared
DCS and Automation PLC Programming Languages Compared IEC 61131-3 defines five standard PLC programming languages, each suited to a different type of problem. Knowing when.
Plate Heat Exchanger: Working Principle, LMTD Calculation and 6 HVAC Applications
Instrumentation Plate Heat Exchanger: Working Principle, LMTD Calculation and 6 HVAC Applications A plate heat exchanger transfers heat between two fluid streams through corrugated metal.
IP Rating Explained: 4 Essential Codes Decoded
Electrical Fundamentals IP Rating Explained: IEC 60529 Codes, NEMA Comparison and What Each Digit Means An IP rating is a two digit code defined by.
Why 4-20 mA Is Used Instead of a Voltage Signal
Instrumentation Why 4-20 mA Is Used Instead of a Voltage Signal: The Real Numbers Every instrumentation site explains that current loops beat voltage signals because.
Python in Industrial Automation: 4 Essential Real Uses
DCS & Automation Python in Industrial Automation Python does not replace a PLC on a factory floor. It sits one layer above it, reading data,.
Profibus vs Profinet: 4 Critical Migration Paths
DCS & Automation Profibus vs Profinet Most plants are not choosing one over the other from a blank slate, they are figuring out how to.
PLC Timer Instructions TON/TOF/RTO: 4 Critical Uses
DCS & Automation PLC Timer Instructions: TON, TOF and RTO TON delays turning something on. TOF delays turning something off. RTO remembers time even when.