Burkert 8792 Operating Instructions Manual page 148

25.2.22.6. Description of the diagnosis functions
HISTOGRAM
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
44
POS–Class
STOP
DIR-Class
00 : 13 : 48
50
DIR–Class
STOP
Operating structure:
HISTOGRAM
ENTER
Fig. 85: HISTOGRAM; operating structure
150
– Output of histograms
Duration of histogram recording
Largest dwell time density which occurred (tallest bar)
233 c Path covered by the actuator
M
10 histogram bars, each of which represents 10 % of the total stroke:
Bar on left = class 1 (0 - 10 %)
CLEAR
Bar on right = class 10 (91 - 100 %)
Duration of histogram recording
Most frequently occurring range between 2 changes in direction
72 Number of changes in direction
Histogram bar for the range between two direction reversal points
Bar on left = class 1 (0 - 10 %)
CLEAR
Bar on right = class 10 (91 - 100 %)
POS-Class
DIR-Class
SYSTEM-DATA
english
Start / stop both histograms
START STOP
Delete both histograms
CLEAR
Start / stop both histograms
START
STOP
Delete both histograms
CLEAR
EXIT
Type 8792, 8793 Type 8792, 8793
Configuring the auxiliary functions