Positioning module IMD20, IMD40
CanOpen protocol
Moving the axis out of a limit switch
If a limit switch of the axis is triggered, the drive module switches to the fault state and the final stage
cannot be released, until the limit switch is active.
ving out of a limit switch” mode of operation has been designed in order to move the axis out
s
ee Mode of
tion on p
his, output 2 is set with the activation of
ation; it can
ed for th
ng of the limit switche
is. Afterwards,
the module can be switched to the Operation Enable state; by setting the Bit 4 in the control word,
e ovem
the limit s
nch
.
Direction of movement
negative in case of an activated positive l
The “Mo
of a
this
limit
mode
witch (s
of oper
be us
e shunti
For t
s of this ax
th m
ent out of
witch is lau
ed
imit switch
positive in case of an negative positive limit switch
Velocity
reference run velocity (out of the switch)
Ac
er
e r
cele
ion
cel
ation
referenc
un ac
rat
Target p
g p
f the
it
itch + refere
osition
switchin
oint o
lim sw
nce point offset
o
l
C ntro word Bit 4
Meaning
0 No
movement.
1
he movement out of the limit
h is carried out, if
T
switc
a limit switch is activated.
Factor Group
e
jec
quired for the co
on of th
c
ati
(e.g. µm) into internal units (incre
e only o
th
vers
is t
nversion
ed and a
r-defined units a e multipli
the units for the velocity and acceleration are “user-defined unit / secon
cond²").
The conversion factor is calculated from the other objects according to the formula described under
“Motor and Transmission dialogue box” on page 61.
e
am
in
o no
ffec
onversi
for informa
oses about the units. The ACSetup setting programme c
e.g.
all
Units in
Name
b
p
ult
e
Meaning
– Conversion factors
Th
ac
ob
eler
ts in the Factor Gr
on value from user-de
oup are re
fined units
nversi
e position, velocity and
ments).
Th
spe
bject which really is
cceleration data that are given in use
required for
e con
ion
he co
r
factor (6093
h
). All length,
ed by this factor. For this,
d” or “user-defined unit /
se
Th par
eters dimensions ind
tion purp
ex and unit dex d
t a
t the c
on factors, but only serve
an present the right units
for
length and velocity data.
dex
Index Sub
Type
Attri
Ma
Defa
valu
6089 00 Position notation
index
Signed 8
RW
Y
0
Index for positioning unit.
By means of the units index, the unit to be used can be set. The following va
n be chosen:
Units ind
Meaning
lues ca
ex
0 Not
specified.
-3 Milli
(metre)
-6 Micro
(metre)
75 Arc
seconds
76 Arc
minutes
77 Degree
111