External Data Input: Difference between revisions
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==Additional information== | ==Additional information== | ||
*Context parameters | *Context parameters | ||
:- [[ | :- [[edi (macro)|%edi]] is the input text where termination character is excluded | ||
:- [[%sev]] is the EDI port (sub-event) | :- [[%sev]] is the EDI port (sub-event) | ||
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:* [[%scutc]] - Extract substring by byte (character) position | :* [[%scutc]] - Extract substring by byte (character) position | ||
:* [[%scutf]] - Extract field, fields defined by delimiter character | :* [[%scutf]] - Extract field, fields defined by delimiter character | ||
:* [[%strlen]] - Return length of string | |||
:* [[%sscan]] - Scan for string, extract rest of string after first match | :* [[%sscan]] - Scan for string, extract rest of string after first match | ||
:* [[%scmp]] - Compare strings | :* [[%scmp]] - Compare strings | ||
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== Example == | == Example == | ||
When receiving the | When receiving the text string "Start alarm 3", terminated by Line Feed character, play alarm message 3 (8193) to group 85: | ||
[[EDI example.PNG]] | [[Image:EDI example.PNG|thumb|left|1200px|Trigger event by text string from external device]] | ||
<br style="clear:both;" /> | |||
[[Category:Event Handler]] | [[Category:Event Handler]] | ||
[[Category:Event types]] | [[Category:Event types]] | ||
Latest revision as of 09:39, 10 October 2023
The EDI ports are defined in AlphaPro: Exchange & System -> Serial Ports.
- The input message must have a termination character
- Maximum 128 characters. If longer strings, the first 128 characters will be returned, the rest will be ignored.
- Parsing the content is done in the action string in the Event Handler
Event description
| Event Owner: | EDI Text Config |
| Event type: | 28 - External Data Input |
| Subevent: | 1 – 10: specifies which EDI port 0: matches all ports |
| When change to ON: | When valid data is received on EDI port |
| When change to OFF: | N/A |
| When related to: | N/A |
Additional information
- Context parameters
- Useful macros and statements
- %scutc - Extract substring by byte (character) position
- %scutf - Extract field, fields defined by delimiter character
- %strlen - Return length of string
- %sscan - Scan for string, extract rest of string after first match
- %scmp - Compare strings
- TMP - Set temporary variable
- %tmp - Read temporary variable
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The NUL character (ASCII 0x00) cannot be used in the EDI string. The processing of the string will be terminated when receiving NUL. |
Example
When receiving the text string "Start alarm 3", terminated by Line Feed character, play alarm message 3 (8193) to group 85:
