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154 Micro Motion
®
Series 3000 MVD Transmitters and Controllers
Operation Mode – Batch
Figure 18-5 Batch processing sequences: 2-stage batching, Open Primary at 0%
0% 100%
Normal operation
Configured values
• Open Primary: 0%
• Open Secondary: m%
• Close Primary: n%
Legend
•Primary valve
• Secondary valve
•Flow
n%
0% m% 100%
x% before secondary open
n%x% m+x%
0% m% 100%
x% after secondary open, when
m+x% < n%
n%x% m+x%
0% m% 100%
x% after secondary open, when
m+x% > n%
n%x%
m+x%
0% m%
x% after primary close
n% x% 100%m+x%
m%
Valve behavior with STOP/RESUME at x%