15 DATA COMMUNICATIONS USING USER FRAMES
15.2 Data Reception
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15
■When the start frame is not specified
In the example, the following three combinations are registered for the receive user frame.
• Setting conditions
• Setting value
User frame User frame receiving method
designation
Method 1 dedicated receive
end data quantity
Remarks
1st
combination
(Final frame only) Method 0 The receive end data
quantity becomes valid.
2nd
combination
(Final frame only)
3rd
combination
(Final frame only)
Setting item Setting value Remarks
Receive end data quantity designation 1FFH For Method 0
Receive end code designation H Designate any receive end code.
User frame specification for receiving
User frame use enable/disable designation
Use Always specify "Use".
User frame specification for receiving
Start frame No. designation
1st 0H 0H: No designation
2nd 0H
3rd 0H
4th 0H
User frame specification for receiving
Final frame No. designation
1st 41DH 0H: No designation
1H or higher: Designated
In this setting, only three combinations become valid.
2nd 41EH
3rd 41FH
4th 0H
User frame receiving method
designation
1st Method 0 The receive end data quantity becomes valid.
2nd Method 0 'Method 0' is applied to all since the start frame is not
designated.
3rd Method 0
4th Method 0
Method 1 dedicated receive end data
quantity designation
1st 0H Setting value for Method 1.
This setting is not required since 'Method 0' is applied to all.
2nd 0H
3rd 0H
4th 0H
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