Burkert Type 8620 - Manual (Page 121)

mxCONTROL Type 8620
Page 121
Output Override
The output of this module is influenced at certain states (see figure).
Automatic
Manual
Operation
mode
Manual
Output
Value
0
1
Sensor-/Input
fault
Safety
Output
Value
Module
Output CMD 0
1
System
Switch
0 %
0
1
Flow
Switch
0 %
Output from
Output Limiter
System Switch
override function
can be enabled
or disabled Flow Switch
override function
can be enabled
or disabled Sensor-/Input
fault of assigned
Temperature or
Flow-Input
Figure 59: Output override (O2_SCAV_CTRL_RATIO).
Processdata and Data Logging
Display-Presentation Displayed data Abbre-
viation
(menu)
Full
Screen
Trend
chart
Line
Data-
Log.
Notes
Flow Process value PV1 x x x x
Temperature Process Value PV2 x x x x
(calculated) Oxygen O2 x x x
Module output CMD x x x
Parameter (CodeLevel: Operator)
Parameter Abbrevia-
tion
(menu) Value range Default values
(after successful download of
Cfg-File)
Lower output limit Lim- 0.0 … Lim+ 0.0 %
Upper output limit Lim+ Lim- … 100.0 % 100.0 %
Safety output value CMDsafe 0.0 … 100.0 % 0.0 %
Oxygen Alarm (Range: 0 … 100 % Sat *) or 0.1 .. 14.55mg/L)
Low alarm limit Alarm- 0.0 % Sat… Alarm+ or
0.1 mg/L … Alarm+ 0.0 %Sat or
0.1 mg/L
High alarm limit Alarm+ Alarm- … 100 % Sat or
Alarm- … 14.55 mg/L 100.0 %Sat or
14.55 mg/L
Alarm hysteresis AlarmHys 0.1 … 10.0 % of oxygen range 1.0 %
Low warning limit Warn- Alarm- … Warn+ 0.0 %Sat or 0.1 mg/L
High warning limit Warn+ Warn- … Alarm+ 100.0 %Sat or 14.55 mg/L
Warning hysteresis WarnHys 0.1 … 10.0 % of oxygen range 1.0 %
*) Sat means Saturation