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5 MODULE DEDICATED INSTRUCTION
5.3 Serial Communication Instruction
Setting data
*1 When executing multiple protocols, if an error occurs to the nth protocol, the protocols after the nth protocol are not executed.
*2 For details of the error code at the error completion, refer to the following.
Q Corresponding Serial Communication Module User's Manual (Basic)
MELSEC-L Serial Communication Module User's Manual (Basic)
Device
Item
Setting data
Setting range
Setting side
(s)[0]
Completion status
The instruction completion status is stored.
When executing multiple protocols, the execution result of the
protocol executed at last is stored.*1
0: Normal completion
Other than 0: Error completion (error code)
System
(s)[1]
Number of
executions
The number of executions is stored.
Protocols with errors are included in the count.
When settings of the setting data and control data contain an error,
"0" is stored.
1 to 8
System
(s)[2]
(s)[9]
Execution protocol
number
designation
Set the first protocol number or functional protocol number to be
executed.
Set the 8th protocol number or functional protocol number to be
executed.
1 to 128,
201 to 207
User
(s)[10]
(s)[17]
Verification match
receive packet
number
When the communication type of the first protocol executed is
"Receive only" or "Send & receive", the matched receive packet
number is stored.
"0" is stored with the following condition.
• When the communication type is "Send only"
• If the error occurs to the first protocol executed
• When the functional protocol is executed
When the communication type of the 8th protocol executed is
"Receive only" or "Send & receive", the matched receive packet
number is stored.
"0" is stored with the following condition.
• When the communication type is "Send only"
• If the error occurs to the 8th protocol executed
• When the number of the executed protocols is less than 8
• When the functional protocol is executed
0, 1 to 16
System
Содержание MELSEC System Q
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