SCADA Has KPI Calculation and Analysis Abilities

Siemens Industry has expanded the Simatic WinCC V7.2 SCADA software with the optional WinCC/PerformanceMonitor package for calculating and analysing plant-specific key performance indicators (KPIs). 

This expansion enables users to achieve optimisation potential for production and measures for increasing productivity, as combining results and accompanying values can reveal correlations, such as product quality in relation to suppliers.

 

Analysis with the new software package is based on the process data acquired by the SCADA systme, which is associated during runtime. The user is able to set up calculation formulas for use in WinCC, without needing any additional knowledge.

 

Several visualisations are possible for evaluation – a Gantt chart with the time sequence of states, a bar chart for analysing key performance indicators and a table for states and accompanying values. Visualisations are also available via the web in the WinCC WebNavigatorClient. 

The calculated key performance indicators can also be processed in a WinCC display, for example a line-dashboard, or in a trend display.

Utilizing Cellular Technology With SCADA Applications

Cellular is everywhere. Cellular phones make our live much easier than it was before. We can be reached everywhere and we can get information and plan our time much more efficiently than before.

The cellular technology can be also used with SCADA applications to improve productivity, increase plants’ uptime and prevent damages. The device that makes the difference is the cellular modem. The cellular modem is very similar to a cell phone. The difference is that it has no keypad or screen. There are two types of cellular modems: GSM and CDMA. Cellular modems can be used for data communication and text messaging (SMS). Cellular modems can send and receive text messages. Cellular modems have a number similar to a cell phone number. The cost of a cellular modem is between 100$ to 200$.

The cellular modem can be connected to a computer using RS232 or USB cable. Then, with suitable software it may send and receive text messages (SMS) to/from any phone in any language using AT commands. There are two modes for text messaging: Text Mode (for English) and PDU mode (for all languages).

Today, cellular modems are becoming an integral part in many SCADA applications where alarm notification and remote control are a must.

Imagine you could send a text message such as "Water level tank 1" to your SCADA system... and within a few seconds you could get a reply - "Water level tank 1 - 12 feet"...Imagine you could send a text message such as "Turn main chiller ON" to your SCADA system and within a few seconds your main chiller will be turned on? No need to travel to the site. No need to call anyone. No need for a remote computer or Internet connection! You may be at home or on vacation, but only one text message away from your critical plant floor information!

Security is an important factor. There are two layers of security. The first layer should ensure that if a text message is received from an unknown phone number, this message should be ignored. The second layer should check that if the phone number is known and defined in the system, the person who has sent the text message is authorized to execute a specific command. If not, the message should be ignored.

Today, there are customers who are still utilizing analog modems and the TAP servers for alarm notification. Switching from analog modems to cellular modems may improve plant performance and availability significantly.

Here are the main differences between cellular modems and analog modems.


By utilizing cellular modems (GSM or CDMA), it is also possible to receive alarm messages directly to cell phones. No need for a phone line or Internet connection. Alarms are sent within 3-5 seconds. Using a cell phone it is also possible to acknowledge alarms. Alarm acknowledgement may be used to create escalation procedures. If the alarm is not acknowledged within few minutes, the alarm message will be sent to the next recipient on the list.
Cellular modems can help plant managers and maintenance engineers to:

• Minimize costs
• Shorten response times
• Improve service levels
• Prevent damages and loss

This article was written by Michael Meirovitz of Control See (www.controlsee.com). Control See is a supplier of Alarm Notification and Remote Control software for SCADA applications.

PLC Scada Training | Sofcon Training

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Businesses need legitimate application frameworks to control and screen instruments and the vast majority of you may know well about PLC and it is a programmable rationale controller. It comprises of programmable micro controller and it is modified utilizing a particular scripting language and the client can program in a few dialects. For the most part the project is composed and it is downloaded to PLC through link association, then the system gets put away in non unstable memory. They are intended for ongoing utilization and it can withstand brutal situations and it contains an assortment of data and yield ports with sensor units. These sensor units can control yield actuators like engine starters, shows, lights and valves.

This controller has made a huge commitment to processing plant computerization and when you see the prior mechanization frameworks, it has a great many transfers and clocks, however now it conveys an extensive variety of usefulness and has been utilized well within circulated control frameworks. SCADA as by it name do the part of supervisory control and information securing. It is utilized as a part of creating methodology administration criteria and it takes into consideration speedy recovery in diverse situations. Information accumulation and control is important for any SCADA methodology and PLC do the part of absorption and characterization of gathered information. It can control and screen the foundation and office based methodology of commercial enterprises in a decent way.

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