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3-2
Programming EtherCAT Communica-
tions
The user program in the NJ/NX-series CPU Unit reads/writes EtherCAT slave data and performs mo-
tion control for Servo Drive and encoder input slaves.
Instructions and variables are used according to slave types and target data as shown below.
Slave type
Type of data
Timing
Instructions
Variables
Slaves to
which you
cannot assign
axes
Process data
Constantly read/
written
Read/write instructions
such as LD, OUT and
MOV
Device variables
SDO data
Read/written as re-
quired
EtherCAT communica-
tions instructions
(EC_CoESDORead or
EC_CoESDOWrite)
User-defined variables
Slaves to
which you can
assign axes
Process data
Constantly read/
written
Motion control instruc-
tions or read/write in-
structions such as LD,
OUT and MOV
Axis Variables or device
variables
SDO data
Read/written as re-
quired
EtherCAT communica-
tions instructions
(EC_CoESDORead or
EC_CoESDOWrite)
User-defined variables
3 EtherCAT Communications
3-8
NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)
Содержание NJ101-10 Series
Страница 10: ...Manual Structure 8 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 68: ...2 Part Names and Slave Settings 2 18 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 80: ...3 EtherCAT Communications 3 12 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 236: ...9 Troubleshooting 9 38 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 274: ...Appendices A 38 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 275: ...I Index I 1 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505 I...
Страница 279: ......