2 position controller in the control system, Position controller in the control system, Beckhoff – BECKHOFF AX2000 CANopen communication profile User Manual
Page 128

The SYNC telegram looks like this:
COB-ID
080
Afterwards, both axes send back their incremental positions and the contents of their status regis-
ters when the SYNC Object with the COB-ID for the 2
nd
TPDO is received:
COB-ID
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7 Comment
181
23
01
00
00
00
00
03
44
position + manufacturer
status register for axis1
182
A5
02
00
00
00
00
03
44
position + manufacturer
status register for axis2
If an error occurs during operation, the axis concerned transmits an Emergency message, which
could appear as follows:
Emergency Object
COB-ID
Emergency error
Error
register
Category
Low
High
081
10
43
08
01
00 00 00 00
motor temperature, tempera-
ture, manufacturer-specific
081
00
00
08
00
00 00 00 00
6.2.1.2
Position controller in the control system
128
CANopen for AX2000/2500
Appendix
07/2007
BECKHOFF
SYNC
RPDO Trajektory No. 32
Position controller
speed setpoint
Status
TPDO "Enhanced Status" No. 23
Trajektory
Control
Drive
Drive
Control
tcycle
speed
setpoint
Axis
1
Sync
Sync
S
tatus
Axis
1
S
tatus
Axis
2
400 μs
t
1 ms per Axis at 1 MBaud
E.g. 2 axes
speed
setpoint
Axis
2
position
value
Axis
1
position
value
Axis
2
cycle