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10 IIoT functionality 10.3 REST API
10.3.4.2 Writing ISDU
Method: POST
URL:
<ip>/w/isdu.json
Parameters: port (0-7)
Post-Body: JSON array of write ISDU object
Property Data type Example values Remarks
ix integer 0-INT16 Index to be read
subix integer 0-INT8 Subindex to be read
data array[integer] Data to be written
Table 33: Write ISDU object
Response: Write ISDU response object
Property Data type Example values Remarks
status integer 0, -1 0 = no error, -1= an
error occured
message string Error Message if
error occured
data array ( Write ISDU data object ) data, if no error
occured. otherweise
null
Table 34: Write ISDU response object
Manual EtherCAT®
Version 1.1 04/2021
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