Burkert Type 8620 - Manual (Page 12)

mxCONTROL Type 8620
Page 12
Abbreviation Explanation
CORROSION_DISPLAY Corrosion Display Module
Cut- Lower CutOff threshold (Module "COMMON_PID")
Cut+ Upper CutOff threshold (Module "COMMON_PID")
D- Max. negative set point change per minute, falling (Delta-)
D+ Max. positive set point change per minute, rising (Delta+)
Dbnd Deadband - to prevent vibration of the actuator
DigIn 1 … 4 Digital input 1 … 4
Dos1 … Dos8 Biocide timer settings (8 per day per channel)
FA AD-Fault
Fc
Calibration Data Fault
FC Configuration Fault
fF Flow switch: “No Flow”
FI Input Fault
Filter Filter stage (for Low Pass Filter)
Fmax Maximum actuator output pulse rate per minute or per hour
fo forced by other modules
Freq- Lower frequency value of a frequency range
Freq+ Upper frequency value of a frequency range
Fr Friday
fS
System switch: “Stand-by”
FS Sensor Fault; Full scale (in connection with Technical Specification)
FSOR Flow switch override
Hyst Switching hysteresis set in engineering units
HO Process Value state, Value Hold during User Calibration of 4-20mA inputs
Inv Inversion of the sense of action of a module/signal
IS Instrumentation Supply
Kp Gain/amplification factor (in [% control output/PV unit])
Kx Ratio factor for internal set point calculation
Lim- Lower output limit in %
Lim+ Upper output limit in %
Ma Manual (operation) mode
Mo Monday
MONITOR_PV
Module - monitoring only a Process Value PV (data logging)
Mon PV Module - monitoring only a Process Value (data logging) - short name
MOT Maximum Output Timer
MPY Mils Per Year
MTPB Maximum pre-bleed timer
µMPY Micro Mils Per Year
nA Input not active
O2_SCAV_CTRL_RATIO Dosing of O2-absorption media based on flow and temperature
O2SCR Dosing of O2-absorption media based on flow and temperature - abbrev.
OF Output fault of the 4…20 mA outputs
OPEN_PROP Dosing proportionally to process value
OpProp Dosing proportionally to process value - abbrev.
ORP Oxidising Redox Potential (Redox)
PB Pre-Bleed Limit of biocide dosing module in connection with the
COND_CONTROL and COND_PI modules
PB ratio Pre-Bleed Ratio Limit of biocide dosing module - only in connection with the
modules COND_CONTROL_RATIO and COND_PI_RATIO
PFM Pulse Frequency Modulation
pH-AC pH PI Module with selection of acid and caustic pump (abbrev.)
pH-A/C pH PI Module with selection of acid or caustic pump (abbrev.)