Burkert Type 8620 - Manual (Page 113)

mxCONTROL Type 8620
Page 113
Processdata and Data Logging
Display-Presentation Displayed data Abbre-
viation
(menu)
Full
Screen
Trend
chart
Line
Data-
Log.
Notes
Process value PV x x x x
Set point SP x x x
Set point vs. Process value SP/PV x
Module output Acid CMD A x x x
Module output Caustic CMD C x x x
Alarm Maximum Output Timer x x displayed only, if
MOT enabled and
expired;
Data log in Module
output
Parameter (CodeLevel: Operator)
Parameter Abbrevia-
tion
(menu) Value range Default values
(after successful down-
load of Cfg-File)
Sample Time Tsample 0.05/0.1 … 60.0 s 0.2 s
Set point SP Scal- …Scal+ of the assigned input
SPLim- ... SPLim+ (if SP Limit is enabled) Scal- +
((Scal+ - Scal-) /2)
Deadband Dbnd 0 … 100.0 % of input range 1.0 %
Set point ramp SP Ramp
Set point ramp SP Ramp Yes / No No
Ramp rise: max. positive
set point change per
minute (*) D+ 0.1 … 99999 pH/min 1 pH/min
Ramp rise: max. negative
set point change per
minute (*) D- 0.1 … 99999 pH/min 1 pH/min
Acid Controller
Gain/amplification factor
Kp 0.001 … 9999.0 (in % / unit) 10.0
Reset time Tn 0.1 … 9999.0 s 300.0 s
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 %
Caustic Controller
Gain/amplification factor
Kp 0.001 … 9999.0 (in % / unit) 10.0
Reset time Tn 0.1 … 9999.0 s 300.0 s
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 %
Maximum output timer (MOT)
Maximum output time (**) +Tm
1 ... 10800 s 10800 s
(*) will be only displayed if the parameter “SP Ramp” is set to “Yes”
(**) will be only displayed if the parameter “MOT” is configured as “Yes” in the menu „Configuration“