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10 BUILT-IN ETHERNET FUNCTION INSTRUCTIONS
10.4 SLMP Frame Send Instruction
Processing details
• This instruction sends the request frame in the device specified by (s2) and later to the target device specified by the target
device IP address in the control data. When a response message is received from the target device, it is stored in the
device specified by (d1).
The following figures show the request data and the response data in normal/abnormal end.
●
Request data
●
Response data
• The SP.SLMPSND instruction communicates using UDP. Set the target device to use UDP.
• The SP.SLMPSND instruction communicates in binary code. Match the setting of the target device also with the binary
code.
• The execution status and the completion status of the SP.SLMPSND instruction can be checked with the completion device
(d2) and the completion status indication device (d2)+1.
• Completion device (d2)+0 : This device turns on during END processing of the scan where the SP.SLMPSND instruction completes, and turns off during the
next END processing.
• Completion status indication device (d2)+1 : This device turns on or off depending on the completion status of the SP.SLMPSND instruction.
Status
Description
When completed successfully
The device remains off.
When completed with an error
The device turns on during the END processing of the scan where the SP.SLMPSND instruction completes, and
turns off during the next END processing.
Request
destination
module I/O No.
Header
Footer
Subheader
Request
destination
station No.
Request
destination
network
No.
Request
destination
multidrop
station No.
Request data
length
Monitoring timer
Request data
(s1)+8
(s1)+3 to (s1)+5
(s1)+7
(s1)+6
Specified by (s1) (except some devices)
(s1)+9
(s2)+0
(s2)+1
(s2)+2 to (s2)+n
Specified by (s2)
Request
destination
module I/O No.
Header
(When completed)
Subheader
Request
destination
station No.
Request
destination
network
No.
Request
destination
multidrop
station No.
Request
destination
station No.
Request
destination
network
No.
Request
destination
multidrop
station No.
Response data
length
End code
Response data
Footer
Footer
Request
destination
module I/O No.
Header
(When failed)
Subheader
Response data
length
Request
destination
module I/O No.
Station No.
(responding
station)
Network No.
(responding
station)
Request
destination
multidrop
station No.
Error information
Command
Subcommand
End code
(d1)+0
(d1)+1
(d1)+0
(d1)+1
Stored in (d1)
Stored in (d1)
(d1)+2 to (d1)+n
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
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Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
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