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Mitsubishi Electric MELSEC-Q Series User Manual Page 74

Melsec-q/l anywireaslink master module.
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(6) Parameter access timing
The parameter access timing is as follows.
Executed in the program
Executed by the master module
Parameter access request command for the slave module
(Y(n+1)0),
Parameter batch read command for the slave module
(Y(n+1)1),
Parameter batch write command for the slave module
(Y(n+1)2)
Parameter access completion flag (X(n+1)1)
Parameter access error (X(n+1)2)
Error flag clear command (Yn0)
No.
Turn on any of the signals below with a program to start parameter access.
1)
2)
The operation in 1) turns off Parameter access completion flag (X(n+1)1).
When parameter access (read/write) is completed, Parameter access completion flag (X(n+1)1) automatically
3)
turns on.
If parameter access has an error, Parameter access error (X(n+1)2) turns on and Parameter access completion
4)
flag (X(n+1)1) automatically turns on.
5)
Turning on Error flag clear command (Yn0) with a program turns off Parameter access error (X(n+1)2).
6)
Use the program to turn off the signal that turned on in the step 1.
*1
Before the start of parameter access from the master module to the slave module, reflect the access method, access
target ID, and parameter data to the buffer memory.
*2
sError codes are stored in Latest error code storage area (Un\G10256) and the target IDs are stored in Latest error ID
storage area (Un\G10257). (The latest information is overwritten.)
72
• Parameter access request command for the slave module (Y(n+1)0)
• Parameter batch read command for the slave module (Y(n+1)1)
• Parameter batch write command for the slave module (Y(n+1)2)
1)
ON
OFF
2)
ON
Parameter access in progress
OFF
ON
OFF
ON
OFF
Description
*2
6)
3)
4)
5)
*1

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