Beckhoff AX2000 CANopen communication profile Manual de usuario Pagina 81

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Sub-index
05
h
Brief description
read the 32-bit position latch
Unit
Access
ro
PDO mapping
possible
Data type
INTEGER32
Value range
-(2
31
) ... (2
31
-1)
Default value
0
Used to read the 32-bit position stored in the latch. The position is given as increments within a
single turn. The output is not affected by the gearing factor or the Factor Groups.
Sub-index
06
h
Brief description
SI actual position
Unit
μm
Access
ro
PDO mapping
possible
Data type
INTEGER32
Value range
-(2
31
-1)..(2
31
-1)
Default value
0
This Index can be used to read the actual position in SI units. The ratio of distance actually traveled
to motor revolutions is given by
S
SI
S
Inkr
PGEARI
PGEARO
whereby PGEARO (Object 2020
h
, Sub-index 08
h
) contains the number of increments that must
moved to cover a distance of PGEARI (Object 2020
h
, Sub-index 09
h
). It must be noted that one turn
of the motor corresponds to 2
20
= 1048576 increments.
Sub-index
07
h
Brief description
SI actual velocity
Unit
μm/s
Access
ro
PDO mapping
not possible
Data type
INTEGER32
Value range
-(2
31
-1) ... (2
31
-1)
Default value
0
This Index can be used to read the actual speed in SI units.
Sub-index
08
h
Brief description
lag/following error
Unit
μm
Access
ro
PDO mapping
not possible
Data type
INTEGER32
Value range
-(2
31
-1) ... (2
31
-1)
Default value
0
This Index can be used to read out the momentary lag error, measured in SI units.
Sub-index
09
h
Brief description
rms (effective) current
Unit
mA
Access
ro
PDO mapping
not possible
Data type
UNSIGNED32
Value range
0 ... 2 * rated current [mA]
Default value
0
The Index can be used to read out the momentary rms (effective) current.
CANopen for AX2000/2500 81
BECKHOFF 07/2007 CANopen Drive Profile
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