Procedural control directs equipment-oriented actions to take place in an ordered sequence in order to carry out a process-oriented task.
Procedural control is a characteristic of batch processes. It is the control that enables equipment to perform a batch process.
Procedural control is made up of procedural elements that are combined in a hierarchical manner to accomplish the task of a complete process as defined by the process model. The hierarchy of identified and named procedural elements is illustrated in Figure 6 and consists of procedures, unit procedures, operations, and phases.
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