Description of IO-Link
7100.006434_Bus description_PSD4xx_IO_G_ENG
14
17.08.2020
Designation
ISDU
no.
Function
Range
of
values
Back
up?
Delivery
state
R/W
“Positioning values” parameter group
Direction of
rotation
115
0: Clockwise
(when looking at the output shaft)
1: counter clockwise
0 or 1
8 bit
Yes
0
R/W
Actual value
assessment
numerator
116
These values allow you to apply
any resolution to the drive that
you wish.
For a numerator factor of 400, the
spindle pitch/resolution is stated
in the denominator factor
e.g.: spindle pitch 1.5 mm with
resolution 1/100 mm:
numerator = 400, denominator =
150
1...
10000
16 bit
Yes
400
R/W
Actual value
assessment,
denominator
117
1...
10000
16 bit
Yes
400
R/W
Write
referencing
value
118
If this parameter is set to 0 and
the subsequent write command
affects the referencing value
(ISDU 119), the writing of the
referencing value is suppressed.
0…1
8 bit
No
0
R/W
Referencing
value
119
Correction factor for the target,
actual and limit switch values
31 bit
Yes
0
R/W
Upper
mapping end
120
Definition of the positioning range
relative to the absolute value
encoder
Permissible values:
(current po 3 revolutions)
(current po 4029
revolutions)
For models with an auxiliary
gearbox, the range of values is
reduced in accordance with the
gear ratio.
31 bit
Yes
See
chap.3.3
R/W
