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Mitsubishi Electric MELSEC-L Series - Page 109

Mitsubishi Electric MELSEC-L Series
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107
CHAPTER 11 DATA COMMUNICATIONS USING THE PREDEFINED PROTOCOL
11
11.3 Packet Elements
(4) Non-verified Reception
This element is used when receive data include unnecessary data.
The E71 skips characters as many as the specified number if a receive packet includes a Non-verified Reception.
The following table lists the items.
Multiple Non-verified Reception elements can be placed in a packet.
When "Data Length" is set to 0 and the configuration is set as follows, an error occurs:
An element other than Static Data is placed behind a Non-verified Reception element when Non-verified
Reception is out of the Length calculating range or when there is no Length element (except for when Non-verified
Reception is placed at the end of the packet elements).
Multiple Non-verified Reception elements are placed in the Length calculating range, while a Length element is
not placed.
A Non-verified Reception element is placed before a Length element in the Length calculating range.
Item Description Remark
Element Name Set name of the element.
Data Length
0 (Variable number of
characters)
Set this item when the number of characters not to
be verified varies in each communication.
1 to 2046 (Specified number
of characters)
Set the number of characters not to be verified.

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