Instruction Manual

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