A - 3
Appendices
CJ-series EtherCAT Slave Units Operation Manual (W541)
A-1 Example of Operations for EtherCAT Slave Unit Communications
A
A-1-2 Setting Condition
The following setting conditions are used in this example.
Set the I/O Communication Area Setting Table with the following values.
Set the PDO mapping with the following values.
Set the node address and unit number with the following values.
Use the following procedure to establish EtherCAT Slave Unit communications with an EtherCAT mas-
ter.
A-1-2 Setting Condition
I/O Communication Area Setting Table
Name Setting value
OUT data area type CIO
First word in OUT data area 0000 hex
OUT data area size 50 byte
IN data area type CIO
First word in IN data area 001A hex
IN data area size 50 byte
PDO Mapping for the EtherCAT Master
Name Setting value
Output 257th receive PDO Mapping
Input 257th transmit PDO Mapping
EtherCAT Slave Unit Switch Settings
Name Setting value
Node address 01
Unit number 01
A-1-3 Flow of the Setting Procedure
Procedure Reference
1. CJ1W-ECT21 setting A-1-4 CJ1W-ECT21 Setting Procedure on page A-4
2. EtherCAT master setting A-1-5 EtherCAT Master Setting Procedure on page A-5
3. Start EtherCAT communication A-1-6 Start EtherCAT Communication on page A-7
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