Device Functions Proline Promass 83 MODBUS RS485 10 Block SPECIAL FUNCTION
Endress+Hauser 141
A0004670
Fig. 37 : Example 1
v = Flow velocity [m/s]
t = Time
V
1
= Valve 1 open
V
2
= Valve 2 open
m = Start batching/coarse batching, valves 1 (7220) and 2 (7222) open
n = Valve 2 (7223) closes, coarse batching quantity achieved
o = Batching progress message (7243)
p= Valve 1 closes (7221), batching ends
x = After run quantity
The following parameter settings must be made:
– Select the unit for batching:
Function UNIT MASS (0401) Page 15 = kg (kilogram)
– Select the measured variable for batching:
Function ASSIGN BATCH VARIABLE (7202) Page 132 = MASS FLOW
– Enter the batching quantity:
Function BATCH QUANTITY (7203) Page 132 = 10 [kg]
– Select the entry format:
Function BATCH STAGES (7208) Page 136 = 2-stage
– Select the entry format:
Function INPUT FORMAT (7209) Page 137 = VALUE-INPUT
– Quantity data for when the first valve should open:
Function OPEN VALVE 1 (7220) Page 138 = 0 [kg]
(valve 1 closes automatically when the batching quantity is achieved = 10 [kg], display in
function CLOSE VALVE 1 (7221) Page 138)
– Quantity data for when the second valve should open:
Function OPEN VALVE 2 (7222) Page 139 = 0 [kg]
– Quantity data for when the second valve should close:
Function CLOSE VALVE 2 (7223) Page 140 = 8 [kg]
– Quantity data for when the message should be generated:
Function PROGRESS NOTE (7243) Page 145 = 9 [kg]
Example 1 a
Batching specifications identical to those in example 1, however the new batching quantity is 20 kg
and the message should be generated once 18 kg are batched.
The following parameters must be set manually:
– Enter the new batching quantity:
Function BATCH QUANTITY (7203) Page 132 = 20 [kg]
– New quantity data for when the message should be generated:
Function PROGRESS NOTE (7243) Page 145 = 18 [kg]
The following functions are automatically adjusted to suit the new batching quantity:
– Function OPEN VALVE 1 (7220) Page 138 = 0 [kg]
– Function OPEN VALVE 2 (7222) Page 139 = 0 [kg]
– Function CLOSE VALVE 2 (7223) Page 140 = 16 [kg]
0
➀
➁
➂➃
v
t
x
V
V
2
1
8910