Hazardous Area Oxymitter 5000
D-4
Instruction Manual
IM-106-350C, Rev 2.2
July 2008
Figure D-1. Analog Input
Function Block Schematic
Figure D-2. Analog Input
Function Block Timing Diagram
FILTERING
The filtering feature changes the response time of the device to smooth
variations in output readings caused by rapid changes in input. You can adjust
the filter time constant (in seconds) using the PV_FTIME parameter. Set the
filter time constant to zero to disable the filter feature.
Analog
Measurement
Access
Analog
Meas.
CHANNEL
SIMULATE
OUT_SCALE
XD_SCALE
FIELD_VAL
L_TYPE
IO_OPTS
PV_FTIME
MODE
STATUS_OPTS
HI_HI_LIM
HI_LIM
LO_LO_LIM
LO_LIM
ALARM_HYS
ALARM_TYPE
OUT_D
OUT
PV
Convert
Cutoff
Status
Calc.
Alarm
Detection
NOTES:
OUT =blockoutputvalueandstatus.
OUT_D=discreteoutputthatsignalsaselectedalarmcondition.
LOW_CUT
38740080
Filter
PV_FTIME
63%ofChange
OUT (modeinman)
OUT (modeinauto)
PV
FIELD_VAL
38740081
Time(seconds)