CanOpen protocol
Positioning module IMD20, IMD40
Dimensions index
Inde
Attrib Map Default
value
Meaning
x Sub Name
Type
608A 00 Position dimen
index
RW
Y
1
Index for the dimensions
of the position.
sion Unsigned 8
The dimensions index indi
h physical dimension is to be used. The following values can be
chosen:
cates whic
Dimensions index
Meaning
0 Not
specified
(1)
1 Length
12 Angular
measurement
(1)
Here, “increments” i
efined unit. A superordinate control must then convert the unit of
length
ngular m
o increments or vice versa by means of the 0x6093 object. Thus, the
control or drive module can correctly analyse the corresponding data.
Incr
Ind
value
s used as u
easurement int
ser-d
or a
emental encoder resolution
ex Sub Name
Type
Attrib Map Default
Meaning
608F
Position encoder
resolution
RECORD
Resolution of the
incremental encoder.
608F
00
Number of entries
Unsigned 8
CONST
N
2
Number of entries.
608F
01
Encoder increments
Unsigned 32
RW
N
4000
Number of encoder
impulses (4 times the
value of the line number).
608F
ned 32
RO
N
1
Per number of motor
revolutions.
02
Motor revolutions
Unsig
A
ncoder resolution, 4 times the value of the line number of the encoder has to be set, since
the resolution
sed by the 4-edge evaluation. All internal calculations refer to the quadruple
resolution. The number of motor revolutions is firmly set to 1.
Tran
Ind
Default
value
Meaning
s the e
is increa
smission ratio
ex Sub Name
Type
Attrib Map
6091
Transmission
ratio
RECORD
Transmission
ratio.
6091
00
Number of entries
Unsigned 8
CONST
N
2
Number of entries.
6091
01
Motor revolutions
1
Revolutions at the
transmission input.
Unsigned 32
RW
N
6091
02
Shaft revolutions
1
Revolutions at the
transmission output.
Unsigned 32
RW
N
If a transmission exists between the motor and the drive axis, the transmission ratio factor can be set
in this object.
112