Mitsubishi MELSEC-L series Programming Manual page 147

Control Data
Device Item
Dummy
[0]
s1
Read result
[1]
s1
Frame No. specification
[2]
s1
Allowable number of bytes for read data
[3]
s1
Number of registered bytes
Program Example
The following program reads out the registration data of the user frame number 3E8H.
(For the Q series C24 whose I/O signals are X/Y80 to X/Y9F)
[Structured ladder]
Setting data
–
The instruction completion status is stored.
0 : Normal completion
Other than 0 : Error completion (error code)
Specify the user frame number.
Specify the maximum number of bytes for storing the
registered data of the read user frame to
The number of bytes of the registered data for the
read user frame is stored.
5.2 Serial Communication and Modem Interface Instruction
Setting range
0
–
1000 to 1199
1 to 80
.
s2
1 to 80
Read request pulse
Sets user frame number
Sets allowable number
of bytes for read data
Clears user frame
to 0
Reads user frame
Turns normal
completion flag ON
Turns error
completion flag ON
5.2.13 GETE instruction
G_GETE
Setting side
–
System
User
User
System
5
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