IFM AL1350 - Service: Subscribe; Service: Unsubscribe

IO-Link Master with IoT Interface DataLine 4 Ports IP 65 / IP 66 / IP 67
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Service: subscribe
34194
Name: subscribe
Description: The service subscribes to the values of data points. The data points to be subscribed are
transferred as a list. The IO-Link master sends changes to the data drain defined in callback.
Request data (field "data"):
Data field
Required field
Data type
Description
callback
mandatory
STRING
Address to which IoT Core event notifications are to be sent; complete
URL: http://ipaddress:port/path
datatosend
mandatory
ARRAY OF
STRINGS
List from URLs of data elements; elements have to support getdata
Response data (field "data"): none
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Service: unsubscribe
34197
Name: unsubscribe
Description: The service deletes an existing subscription. unsubcribe is successful if cid and the
callback address are registered for a subscription (subscribe). If the STRING "DELETE" is provided in
callback, the IO-Link master deletes all active subscriptions.
Request data (field "data"):
Data field
Required field
Data type
Description
callback
mandatory
STRING
Address to which IoT Core event notifications are to be sent; complete
URL: http://ipaddress:port/path
Response data (field "data"): none