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3 DETAILS OF FUNCTION
3.2 MELSEC Data Link Functions
• The arguments of this function correspond to the control data (device) of the dedicated instruction (SEND) as shown below:
■
Return value
■
Relevant functions
• Page 154 mdOpen
• Page 146 mdClose
• Page 166 mdReceiveEx (Message receive function)
• Page 54 CCPU_DedicatedGInst
• Page 56 CCPU_DedicatedJInst
Device
Item
Corresponding argument and return value
+0
Execution/error completion type
lDevType
+1
Completion status
sRet
+2
Own station channel
lDevNo
+3
Target station storage channel
lDevNo
+4
Target station network number
lNetNo
+5
Target station number
lStNo
+6
Not used
+7
Number of retransmission (retry)
+8
Arrival monitoring time
+9
Send data length
plSize
+10
Not used
+11
Clock setting flag
+12
Clock data
+13
+14
+15
+16
Error detection network number
+17
Error-detected station number
Return value
Description
0 (0000H)
Normal
Other than 0
Error
For details on the error, refer to the following chapter.
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