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170 | © Danfoss | August 2018
AQ00000211
ENGINEERING TOMORROW
17.6
MANUAL CALIBRATION OF WAS, JOYSTICK AND SPOOL
17.6.1
Production/calibration flag
These counters will be updated automatically by the PLUS+1 Service Tool when using auto-calibration.
If manual calibration is being used or a service tool is designed for themselves, Danfoss encourages to use these counter
to keep track of the number of calibrations.
The counters keeps track on how many times calibration has been carried out for CAN WAS, Analogue WAS, Analogue
Joystick and the spool (when using auto-calibration).
Name
A
ddr
es
s
D
at
a t
yp
e
U
ni
t
Description of parameter
U
se
r
Range
D
a
nf
o
ss
de
fa
ul
t
val
u
e
S
a
fet
y
cri
ti
ca
l
p
a
ra
m
et
ers
‘
S
’
Mi
n
.
M
ax.
Calibration counter - Spool calibration
P3771
U8
-
Calibration counter - Spool calibration
OEM
0
255
0
Bit inverted value for "Calibration
counter - Spool calibration"
P3772
U8
-
Bit inverted value for "Calibration counter - Spool calibration"
OEM
0
255
255
Calibration counter - Analogue WAS
calibration
P3773
U8
-
Calibration counter - Analogue WAS
OEM
0
255
0
Bit inverted value for "Calibration
counter - Analogue WAS calibration"
P3774
U8
-
Bit inverted value for "Calibration counter - Analogue WAS"
OEM
0
255
255
Calibration counter - CAN WAS
calibration
P3775
U8
-
Calibration counter - CAN WAS
OEM
0
255
0
Bit inverted value for "Calibration
counter - CAN WAS calibration"
P3776
U8
-
Bit inverted value for "Calibration counter - CAN WAS"
OEM
0
255
255
Calibration counter - Analogue
joystick
P3777
U8
-
Analogue sensor based Joystick calibration counter
OEM
0
255
0
Bit inverted value for "Calibration
counter - Analogue joystick"
P3778
U8
-
Bit inverted value for Analogue sensor based Joystick calibration counter
OEM
0
255
255
Table 81
17.6.2
Calibrating analogue wheel angle sensor
The following description explains how to manually calibrate analogue wheel angle sensors. The procedure consists of
three main steps:
1.
Read sensor values and sensor supply voltage
2.
Data sector preparation
3.
Write parameters to PVED-CLS’ EEPROM
Procedure:
Read sensor values and sensor supply voltage
•
Put PVED-CLS into “WAS calibration service mode”
•
Start ADC readout on CAN bus
o
For MAIN- and SAFETY-controller, start status message 1 @ 100ms
o
For MAIN- and SAFETY-controller, start status message 3 @ 100ms
•
Turn wheels into far left angle position
o
For MAIN- and SAFETY-controller, read AD1 and AD2 and temporarily store the two values
•
Turn wheels into neutral/straight position
o
For MAIN- and SAFETY-controller, read AD1 and AD2 and temporarily store the two values
•
Measure sensor supply voltage (only needed if the 5V Sensor supply compensation is enabled (P3217 set to 255
and P3219 set to 255)
•
Turn wheels into far right angle position
o
For MAIN- and SAFETY-controller, read AD1 and AD2 and temporarily store the two values
Data sector preparation
Содержание PVED-CLS
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