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iot:iiot [2023/01/11 08:28] – skipidariot:iiot [2024/10/13 18:04] (current) – skipidar
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 ISA-95 incorporates the **layers model of technology** and **business process for manufacturing enterprises** as levels for the standard. These levels are:  ISA-95 incorporates the **layers model of technology** and **business process for manufacturing enterprises** as levels for the standard. These levels are: 
  
-  * Level 0  +  * Level 4  
-    * Defines the actual physical processes.  +    * Defines the business-related activities needed to manage a manufacturing operation.
-  * Level 1  +
-    * Defines the activities involved in sensing and manipulating the physical processes.  +
-  * Level 2  +
-    * Defines the activities of monitoring and controlling the physical processes. +
   * Level 3    * Level 3 
     * Defines the activities of workflow to produce the desired end products.      * Defines the activities of workflow to produce the desired end products. 
-  * Level 4  +  * Level 2  
-    * Defines the business-related activities needed to manage a manufacturing operation. +    * Defines the activities of monitoring and controlling the physical processes.  
 +  * Level 1  
 +    * Defines the activities involved in sensing and manipulating the physical processes.  
 +  * Level 0  
 +    * Defines the actual physical processes. 
 + 
 + 
 + 
 +From a component or **software perspective**, **Levels 1 to 4** can be seen like this:  
 + 
 +  * Level 4: Business logistics systems (e.g., **ERP**) 
 +  * Level 3: Manufacturing operations systems (e.g., **MES**)  
 +  * Level 2: Control systems (e.g., PLCs, DCSs)  
 +  * Level 1: **Intelligent devices**  
  
-**Manufacturing Operations Management** systems reside in Level 3 of the model. <br> 
-From a component or **software perspective**, Levels 1 to 4 can be seen like this:  
  
-Level 1: Intelligent devices  
-Level 2: Control systems (e.g., PLCs, DCSs)  
-Level 3: Manufacturing operations systems (e.g., MES)  
-Level 4: Business logistics systems (e.g., ERP) 
  
 {{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/vF6J45CgYy.png}} {{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/vF6J45CgYy.png}}
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-=== Information Technology vs Operational Technology ===+=== Information Technology vs Operational Technology and Management Execution Systems (MES) ===
  
 Information Technology vs Operational Technology Information Technology vs Operational Technology
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   * In my experience, customers should be told that **MES is not an IT system, but an Enterprise layer**!    * In my experience, customers should be told that **MES is not an IT system, but an Enterprise layer**! 
   * The functions in it can even be autonomous IT solutions as modules in the sense of Industrie 4.0!   * The functions in it can even be autonomous IT solutions as modules in the sense of Industrie 4.0!
 +
 +
 +Manufacturing Execution System
 +
 +https://docplayer.org/23562722-Mes-manufacturing-execution-system.html
 +
 +{{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/j83ErLNEPI.png}}
  
  
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 See See
 {{youtube>f5oPEVhZFug?medium}} {{youtube>f5oPEVhZFug?medium}}
 +
 +
 +=== Glossary ===
 +
 +^                                     ^                                                                                                                                                                           ^
 +| MES Manufacturing Execution System  |                                                                                                                                                                           |
 +| HMI Human Machine INterface         | is the main visible automation component that manages all vital machine features                                                                                          |
 +| SCADA                               | SCADA (Supervisory Control and Data Acquisition) is a monitoring, control and data acquisition system used in various industries https://www.youtube.com/watch?v=KI9tXj2y4YI  {{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/dsa9co1mVW.png}}                                        |
 +| Historian                           | Saves historic data from OT systems                                                                                                                                       |
 +| PLC                                 | a PLC is a specialized computer designed to control machines or processes, especially in industrial automation                                                            |
 +| RTU                                 | Remote Terminal Unit. In OT (Operational Technology) systems, an RTU is a specialized device that collects data from sensors and controls actuators at remote locations.  |
 +| Fieldbus                            | Fieldbus, on the other hand, is a digital communication network that allows for the exchange of data between devices in a control system.                                 |
 +| Purdue model                        | https://www.zscaler.com/resources/security-terms-glossary/what-is-purdue-model-ics-security                                                                               |
 +
 +
 +
  
  
iot/iiot.1673425701.txt.gz · Last modified: by skipidar