Block Diagram
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?
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:
- Establish the elements contained
within the scope of a task e.g. FMEAs
- Identify inputs and outputs for
components within a system
- Identify relationships between
systems/components
- Identify redundancies in systems
- Establish critical paths through
systems
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
Available on the web:
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