Emerson Series 3000 MVD Manuel D’Utilisation

Page de 348
Configuration and Use Manual
155
Operation Mode – Batch
Operation 
Mode
 –
 Ba
tc
h
T
o
tali
z
e
rs
 and
 In
ven
tories
Ope
ration 
Mode – Custod
y T
ra
n
s
fer
Op
eratio
n M
o
d
e
Figure 18-6
Batch processing sequences: 2-stage batching, Open Secondary at 0%
0%
m%
100%
Normal operation
n%
0%
m%
100%
 x% before primary open
n%
x%
m+x%
0%
m%
100%
x% after primary open, when 
m+x% < n%
n%
x%
m+x%
0%
m%
100%
x% after primary open, when 
m+x% > n%
n%
x%
m+x%
0%
m%
x% after primary close
n%
x%
100%
m+x%
Configured values
• Open Primary: m%
• Open Secondary: 0%
• Close Primary: n%
Legend
• Primary  valve
• Secondary valve
• Flow
Valve behavior with STOP/RESUME at x%