4. Access methods/SDO access
4−4
Festo P.BE−SEC−AC−CO−E N en 0802a
Object
Meaning
Description
SDO
S
ervice
D
ata
O
bject
Used for normal parametrization of the servo con
troller
PDO
P
rocess
D
ata
O
bject
Fast exchange of process data (e.g. velocity ac
tual value) possible
SYNC
Sync
hronization Message
Synchronisation of several CAN nodes
EMCY
Em
ergen
cy
Message
Used to transmit error messages of the servo
controller
NMT
N
etwork
M
anagemen
t
Used for network services
NODE−GUARDING
Node Guarding
Used for observing all nodes by cyclic messages
Every message sent via CAN bus contains an address to
identify the node the message is meant for. This address is
called
Identifier
. The lower the identifier, the higher the prior
ity. Each communication object mentioned above has a spe
cific identifier.
The following Figure shows the schematic structure of a
CANopen message:
601h Len D0
D1
D2
D3
D4
D5
D6
D7
1
2
3
1
Number of data bytes (in this case 8)
2
Data bytes 0...7
3
Identifier
Fig.4/2:
Содержание SEC-AC-305-CO
Страница 2: ......
Страница 4: ...Contents and general instructions II Festo P BE SEC AC CO EN en 0802a...
Страница 16: ...Contents and general instructions XIV Festo P BE SEC AC CO EN en 0802a...
Страница 17: ...Introduction 1 1 Festo P BE SEC AC CO EN en 0802a Chapter 1...
Страница 20: ...1 Introduction 1 4 Festo P BE SEC AC CO EN en 0802a...
Страница 21: ...Cabling and pin assignment 2 1 Festo P BE SEC AC CO EN en 0802a Chapter 2...
Страница 31: ...Activation of CANopen 3 1 Festo P BE SEC AC CO EN en 0802a Chapter 3...
Страница 38: ...3 Activation of CANopen 3 8 Festo P BE SEC AC CO EN en 0802a...
Страница 39: ...Access methods SDO access 4 1 Festo P BE SEC AC CO EN en 0802a Chapter 4...
Страница 67: ...Adjustment of parameters Load and save set of parameters 5 1 Festo P BE SEC AC CO EN en 0802a Chapter 5...
Страница 154: ...5 Adjustment of parameters Load and save set of parameters 5 88 Festo P BE SEC AC CO E N en 0802a...
Страница 155: ...Device Control State diagram State machine 6 1 Festo P BE SEC AC CO EN en 0802a Chapter 6...
Страница 179: ...Operating modes Adjustment of the Operating Mode 7 1 Festo P BE SEC AC CO EN en 0802a Chapter 7...
Страница 221: ...7 Operating modes Adjustment of the Operating Mode 7 43 Festo P BE SEC AC CO EN en 0802a...
Страница 247: ...Technical appendix A 1 Festo P BE SEC AC CO EN en 0802a Appendix A...
Страница 248: ...A Technical appendix A 2 Festo P BE SEC AC CO EN en 0802a Contents A 1 Recommended components A 3...
Страница 250: ...A Technical appendix A 4 Festo P BE SEC AC CO EN en 0802a...
Страница 251: ...Index B 1 Festo P BE SEC AC CO EN en 0802a Appendix C...
Страница 252: ...B Index B 2 Festo P BE SEC AC CO EN en 0802a C 1 Index B 3...
Страница 272: ...B Index B 22 Festo P BE SEC AC CO EN en 0802a...