Operators Handbook DCU3 – System
6., Main function „Control Loops“
BAEDCU3 - Rev. 4.6 - 0504
6 - 20
6.13.2
Operating Display Servo Controller (Gasflow Ratio Controller)
For a description of the tags, the physical units or entries, the displayed value or function
and of the required inputs see the table in section
6.3,
Controller Operation in General.
Above this the display has the following entries and functions for these inputs:
Tag
Entry
Displayed value or function, required input
PV GAS1
slpm
Flowrate Gas1, e.g. O
2
PV GAS2
slpm
Flowrate Gas2, e.g. air
RATIO
%
Input of ratio of Gas 1 to total flowrate;
−
external setpoint in mode „cascade“;
−
master controller (Contr.) has access to RATIO
TOTAL
slpm
Input of total flowrate of Gas1 and Gas2 :
−
external setpoint in mode „cascade“,
−
master controller (Contr.) has access to TOTAL
MODE
Input of controller mode
off
−
controller off, both outputs 0
auto
−
manually enter TOTAL and RATIO
manual
−
inactive
cascade
−
servo controller in pO
2
gasflow control circuit,
access to RATIO and TOTAL
profile
−
setpoint for TOTAL or RATIO (depending on CONTROL setting)
CONTROL
Enter access of master controller or of profile
TOTAL
−
total flowrate controlled
RATIO
−
ratio controlled
In mode „auto“ or „casc.“ inputs are impossible.
Summary of Contents for DCU 3
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Page 4: ...Operators Handbook DCU3 System Introduction BAEDCU3 Rev 4 6 0504...
Page 8: ...Operators Handbook DCU3 System Contents BAEDCU3 Rev 4 6 0504...
Page 10: ...Operators Handbook DCU3 System 1 Design and Function BAEDCU3 Rev 4 6 0504 1 2...
Page 74: ...Operators Handbook DCU3 System 6 Main function Control Loops BAEDCU3 Rev 4 6 0504 6 40...
Page 80: ...Operators Handbook DCU3 System 7 Main function Batch Control BAEDCU3 Rev 4 6 0504 7 6...
Page 88: ...Operators Handbook DCU3 System 8 Main Function Recipes BAEDCU3 Rev 4 6 0504 8 8...
Page 106: ...Operators Handbook DCU3 System 9 Main function Maintenance BAEDCU3 Rev 4 6 0504 9 18...
Page 110: ...Operators Handbook DCU3 System 10 Main Function Documentation BAEDCU3 Rev 4 6 0504 10 4...
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