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Machine and robot builders OEMs often design their products and systems for installation in their clients’ risk zones. This means that special design considerations, especially for operator interface components, as these terms are directly exposed to the volatile area of ​​the environment.
NEC classified as hazardous areas in the table. Division 1 shows an environment where risks are expected under normal operating conditions are present. Division 2 is an environment where the risks are virtually non-existent under normal operating conditions. Designing for use in Division 1 is far more ambitious than the design of systems used in Division 2. (more…)

Tags: automation, Designing Systemsm, Hazardous, Hazardous Areas, hazardous zone, HMI, industrial, NECautomation, Designing Systemsm, Hazardous, Hazardous Areas, hazardous zone, HMI, industrial, NEC

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Welcome back to Om-ron PLC dot com ,Today i have article that story in PLCs,Twenty-five years I was in my last year with Allen-Bradley PLC and a specialist and educator. I grew up with the PLC in 1774, the PMC. What a trip through the PLC-2, PLC 3, PLC 5, computer-based programming instead of a luggable terminal and a 10 MB hard disk for the PLC-3 GA module for remote data collection and programming remotely through the RM modules.

A laptop for programming (Data General) was more than $ 8,000. Hard drive space is outrageous expensive, and Windows will not be used. PCs were ahead, and programmers learned useful DOS software.
From 1977 to 1985 there was an enormous growth pattern that most had not imagined. Remote I / O, HMI, SCADA, and similarly, the PLC to the DCS world compromise. Servo Control was also available. Special keyboards set them up.

Bit-flipping was an art.

We had to do in ASCII module interfaces, and network modules with interfaces for mini-computers like the DEC VAX and PDP-11. (more…)

Tags: ControlLogix, ICOM, Look PLC, plc, PLC history, PLC Product, PLC programming, PLC story, SCADA, Watch PLCControlLogix, ICOM, Look PLC, plc, PLC history, PLC Product, PLC programming, PLC story, SCADA, Watch PLC

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Welcome back to Om-ron PLC dot com,Today i would like to present in PLC SCADA ,You may be surprised to know that PLC, HMI and SCADA implementations are consistently more expensive than DCS for the same batch process or other application. CEE is more …

Traditionally, DCSs have been large, expensive and highly complex systems, a control solution for continuous or batch process industries have been considered.

In large systems, this is basically still choose the engineers in the control of PLC and HMI and SCADA applications for small to keep costs down.

So what has changed? The integration of independent PLC, operator interface and the necessary control functions and takes time and effort. The focus is on working together the various technologies, rather than the improvement of operational processes to reduce costs or improve quality or profitability of a plant. (more…)

Tags: DCS, DCS SCADA, plc, PLC Product, PLC SCADA, SCADA, SCADA systemDCS, DCS SCADA, plc, PLC Product, PLC SCADA, SCADA, SCADA system

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