Instrumentation Tools shares the knowledgeful videos on programmable logic controllers (PLC), distributed control systems (DCS), safety systems, field instruments, interview questions, multiple-choice questions, control valves, VFD, fire & gas systems, calibration, switches, sensors & transducers, temperature, pressure, flow, level, and pressure measurements.
than you sir, your videos are very interesting, why this hmi program using 'screen open macro' what is the reason your taken $2=50, $3=50,$5=50, $6=50 in the same way in 'screen cycle macro' you are using $5=100 & $2=100, why taken 100 what is the reason sir. explain sir
