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This block implement HTTP method POST and GET, based on TCP application of the lwIP stack.
For more information about software, see lwIP TCP/IP stack.
Configuration item |
Selectable option/ Value |
Description |
Configuration |
httpPOST | httpGET |
|
Content Type |
Specify content type of posting data. |
Note: depending on data format and remote Server requirement. |
Read HTTP response |
Checked | Unchecked |
Checked: Response data will be available at output block when status is SUCCESS (3). Unchecked: Response data from remote Server will be ignored. Note: The response data will be NULL terminated text. |
HTTP response output max size (bytes) |
<specify number of bytes> |
Specify buffer size (expected). |
Begin output pattern |
<Specify> |
Used for extract a part of string from the response data which starting with specified "Begin output pattern". |
Terminate output pattern |
<Specify> |
Used for extract a part of string from the response data which starting with specified "Begin output pattern" and ending with "Terminate output pattern". |
Sample time (sec) |
(Sample time value) |
Specify sample time value. |
1. The block did not support HTTP only, without secure protocol (HTTPS).