Burkert 8692 Operating Instructions Manual page 157

Type 8692, 8693
Auxiliary functions
25.2.21.6. Description of the diagnosis functions
HISTOGRAM
–.Output.of.histograms
The HISTOGRAM menu is divided into 2 parts:
1... O utputting.the.histograms for
POS class (dwell time density) and
DIR class (movement range)
2. List.of.the.characteristic.values for
CMD Set-point position valve actuator
POS Actual position valve actuator
DEV Deviation from POS to CMD
TEMP Temperature
SP Process set-point value
PV Process actual value
Display.description.of.the.histograms:
POS-Class
00.:.13.:.48 233.c
M
44
POS–Class
STOP CLEAR
DIR-Class
00.:.13.:.48 72
50
DIR–Class
STOP CLEAR
Operating structure:
HISTOGRAM ENTER
Figure 94: HISTOGRAM; operating structure
Duration of histogram recording
Largest dwell time density which occurred (tallest bar)
Path covered by the actuator
10 histogram bars, each of which represents 10 % of the total stroke:
Bar on left = class 1 (0 - 10 %)
Bar on right = class 10 (91 - 100 %)
Duration of histogram recording
Most frequently occurring range between 2 changes in direction
Number of changes in direction
Histogram bar for the range between two direction reversal points
Bar on left = class 1 (0 - 10 %)
Bar on right = class 10 (91 - 100 %)
START
POS-Class
CLEAR
START
DIR-Class
CLEAR
EXIT
SYSTEM-DATA
Start / stop both histograms
STOP
Delete both histograms
Start / stop both histograms
STOP
Delete both histograms
english
157