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ISA88 Technical report discussion uncovers new ground...Part 4 of 4
Below is the fourth concept intended to supplement those in the ISA 88.00.01 standard in context of the TR88.00.02 Technical Report, as offered by Randy Dwiggins of Maverick Technologies.
Also see parts 1-3...
Part 1 on Unit (Machine) State.
Part 2 on Base State Model.
Part 3 on Unit (Machine) Mode.
Part 4 follows.
4. Mode Manager
The Mode Manager for each Unit (Machine) determines how and in what Unit State a Unit Mode change may take place and is responsible for executing such transitions.
Note: This role is identified in ISA 88.00.01 but is not named. Its functionality, however, is extended by the above Unit Mode definition in a way that is relevant to batch processing, for example, when necessary to enforce business rules for periodic or product-specific cleaning requirements within equipment control.
As stated, we hope these concepts can be used in a future revision of ISA88. Please comment on this or any of the four parts using the tools below!
ISA88 Technical report discussion uncovers new ground...Part 4 of 4
July 22, 2008
Below is the fourth concept intended to supplement those in the ISA 88.00.01 standard in context of the TR88.00.02 Technical Report, as offered by Randy Dwiggins of Maverick Technologies.Also see parts 1-3...
Part 1 on Unit (Machine) State.
Part 2 on Base State Model.
Part 3 on Unit (Machine) Mode.
Part 4 follows.
4. Mode Manager
The Mode Manager for each Unit (Machine) determines how and in what Unit State a Unit Mode change may take place and is responsible for executing such transitions.
Note: This role is identified in ISA 88.00.01 but is not named. Its functionality, however, is extended by the above Unit Mode definition in a way that is relevant to batch processing, for example, when necessary to enforce business rules for periodic or product-specific cleaning requirements within equipment control.
As stated, we hope these concepts can be used in a future revision of ISA88. Please comment on this or any of the four parts using the tools below!
Posted by David Chappell on July 22, 2008 | Comments (0)
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