Burkert Type 8620 User Manual
Page 13

mxCONTROL Type 8620
Page 13
Abbreviation
Explanation
PH_ACID_CAUS
pH PI Module with selection of acid and caustic pump
PH_ACID_OR_CAUS
pH PI Module with selection of acid or caustic pump
ptf.binary
Binary input (digital, potential-free)
PS Power
Supply
Psd
Process switching difference
PumpStop
Pump stopped because corrosion limit exceeded
PV Process
value
PV BSi
Process value of Batch size
PV cal
Conductivity value (for TDS-calibration)
PWM
Pulse Width Modulation
r
read (access via configuration menu or via XML-configuration or parameter file)
Ref.Date Week1
Reference Date for week 1
rw
read and write (access via configuration menu or via XML-config. / parameter file)
Sa Saturday
Scal-
Minimum value of sensor range (in engineering units)
Scal+
Maximum value of sensor range (in engineering units)
SP
Set point
SP BSi
Set point of Batch size
SpecFunc
Special input function for 4…20 mA inputs
SPLim
Set point minimum (internal calculation for conductivity)
SPLim-
Lower set point limit for pH measurement
SPLim+
Upper set point limit for pH measurement
SP Limit
Set point Limiter
SP Ramp
Set point ramp
SSOR System
switch
override
State
Current state of dosing process in batch module
Su Sunday
Tco cl
Time for complete closing: 100% Æ 0%)
Tco op
Time for complete opening: 0% Æ 100%)
Tdose
(Total) Biocide dosing time; Batch dosing time
TDS
Total Dissolved Solids
TDS cal
TDS-value (Total Dissolved Solids value)
Th Thursday
+Tm
Maximum output time
+TmPB
Maximum pre-bleed duration
Tm1
Interval between main biocide dosing & post dosing
Tm2
Delay after post-dosing before conductivity control resumes
Tn
Reset time in seconds
Tperiod period
duration
Tpuls
Pulse duration of the actuator output in milliseconds or seconds
Tsample
Sample time of the respective control loop; sample time with data logging
Tu Tuesday
Tv Rate
time
w
write (access via configuration menu or via XML-configuration or parameter file)
Warn- Lower
warning
limit
Warn+ Upper
warning
limit
WarnHys
Warning hysteresis in % of process value range (AwHyst)
WH
Upper warning process value
We Wednesday
WL
Lower warning process value
YA
Abbreviation in the alarm display for ASL-pump-stop