External Data Input

Event description

Event Owner:	EDI Text Config
Event type:	External Data Input
Sub-Event:	1 – 4: 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

• Input message

- The EDI port is defined in the ‘Serial Ports’ Setup

- The input message must have a termination character. Max 128 char.

- Parsing the content is done in the action string

• Context parameters

- %edi is the input text where termination character is excluded

- %sev is the EDI port (sub-event)

• Useful macros and statements

• %scutc - Extract substring by byte (character) position
• %scutf - Extract field, fields defined by delimiter character
• %sscan - Scan for string, extract rest of string after first match
• %scmp - Compare strings
• TMP - Set temporary variable
• %tmp - Read temporary variable

Example

The rule below will allow you to issue commands to EDI port like this:

• connect,101,103

-Generates internal command $CALL L101 L103

• disconnect,101,103

-Generates internal commands $C L101and $C L103

evh add edi 0
tmp 0 "%scutf(%edi,\,,0)"
tmp 1 "%scutf(%edi,\,,1)"
tmp 2 "%scutf(%edi,\,,2)"
if %scmp(%tmp(0),connect)
 $call l%tmp(1) l%tmp(2)
 stop
endif
if %scmp(%tmp(0),disconnect)
 $c l%tmp(1)
 $c l%tmp(2)
 stop
endif