Emerson Series 3000 MVD Manuel D’Utilisation
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%
• Open Primary: 0%
• Open Secondary: m%
• Close Primary: n%
Legend
• Primary valve
• Secondary valve
• Flow
• 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%
m+x% < n%
n%
x%
m+x%
0%
m%
100%
x% after secondary open, when
m+x% > n%
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%