Mitsubishi MELSEC-L series Programming Manual page 107

Control Data
Device Item
Transmission channel
[0]
s1
Transmission result
[1]
s1
Number of send data
[2]
s1
Setting data
Set the transmission channel.
1: Channel 1 (CH1 side)
2: Channel 2 (CH2 side)
The instruction completion status is stored.
0 : Normal completion
Other than 0 : Error completion (error code)
Set the number of send data.
5.2 Serial Communication and Modem Interface Instruction
G_ONDEMAND
Setting range
1, 2
–
1 or more
5.2.1 ONDEMAND instruction
Setting side
User
System
User
5
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