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15 DATA COMMUNICATIONS USING USER FRAMES
15.2 Data Reception
Examples of registering a receive user frame
The following are examples of pre-registering a receive user frame on the CH1 side with Engineering tool.
■When the start frame is 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
(Start frame + Final frame) Method 0 The receive end data
quantity becomes valid.
2nd
combination
(Start frame only) Method 1 0H Method 1 dedicated
receive end data quantity
becomes valid.
3rd
combination
(Start frame only) Method 1 2H
Setting item Setting value Remarks
Receive end data quantity designation 1FFH For Method 0
Receive end code designation FFFFH Set to "No designation" for 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 3E8H 0H: No designation
1H or higher: Designated
In this setting, only three combinations become valid.
2nd 3E9H
3rd 3EAH
4th 0H
User frame specification for receiving
Final frame No. designation
1st 41DH
2nd 0H
3rd 0H
4th 0H
User frame receiving method
designation
1st Method 0 The receive end data quantity becomes valid.
2nd Method 1 Method 1 dedicated receive end data quantity becomes valid.
3rd Method 1
4th Method 0
Method 1 dedicated receive end data
quantity designation
1st 0H For Method 1
2nd 0H
3rd 2H
4th 0H
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