| What is it? |
| The block diagram is a simple pictorial representation of a system/sub-systems linked to illustrate the relationships between components/subsystems. |
| Why is it important?
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| Identification of all elements during the initial stage of a process helps to ensure that the team contains all the people necessary to continue with the task. In many cases detailed drawings and/or hardware are not available and the block diagram serves to visualize the system and identify its interdependencies. |
| When to use it? |
Block Diagrams can be used to:
| 1. |
Establish the boundaries of a system under consideration |
| 2. |
Outline the elements contained within the scope of a task - helps in developing P-diagram, Flow Chart, FMEA and other documents |
| 3. |
Identify inputs and outputs for components within a system |
| 4. |
Identify relationships between systems/components |
| 5. |
Identify redundancies in systems |
| 6. |
Establish critical paths through systems |
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| How to use it? |
| 1. |
Construct the initial diagram using pencil and paper then transfer to the computer |
| 2. |
Space blocks far apart, leave enough space to add more blocks when needed |
| 3. |
Start at the input to the system and trace the its path |
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| Food for Thought ! |
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