5
Access Sequence
CANopen access is as shown below:
PDO transmission
*
(4) PDO transmission is performed only if the data values updated in (2) and (3) have changed.
SDO transmission (SDO reading)
SDO receiving (SDO writing)
Rotation speed
sensor
Torque sensor
Torque
transducer
System
Software
CAN
Master
device
(4) PDO
transmission
OPT-564
(1) Timer event
(2) Information
acquisition
(3) DPRAM
update
CANbus
CANopen
interface
OPT-564
Rotation speed
sensor
Torque sensor
Torque
transducer
System
Software
(2) Get_Attribute
(3) Information
acquisition
(4) Response transmission
(5) SDO
response
(1) SDO upload
CAN
Master
device
CANbus
CANopen
interface
Rotation speed
sensor
Torque sensor
Torque
transducer
System
Software
(2) Set_Attribute
(3) Information
update
(4) Response transmission
(5) SDO
response
(1) SDO download
CAN
Master
device
CANbus
OPT-564
CANopen
interface
Summary of Contents for OPT-564-71
Page 1: ...DIGITAL TRANSMITTER CANopen Interface OPT 564 71 Instruction Manual EN294 1926 ...
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