Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

Page: 1123 / 2110

8 BUILT-IN ETHERNET FUNCTION INSTRUCTIONS
8.4 SLMP Frame Send Instruction
1121
8
• The SP.SLMPSND instruction communicates using UDP. Set the external device to use UDP.
• The SP.SLMPSND instruction communicates in binary code. Match the setting of the external 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.
Ex.
Sending "Read (command: 0401H)" (reading in units of words) which reads the value in D100 to D102
●
Request data
● Response data
• 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.
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.
01H 04H 00H 00H 64H 00H 00H A8H 03H 00H
04H
00H
00H
A8H
00H
01H
00H
64H
00H
03H
b8b7 b0
... ...
b15
(s2)+2
(s2)+3
(s2)+4
(s2)+5
(s2)+6
Device
code Head device No. Subcommand No. of device
points Command
34
H
12
H
02
H
00
H
EF
H
1D
H
12
H
00
H
1D
H
34
H
02
H
EF
H
b8b7 b0
... ...
b15
(d1)+2
(d1)+3
(d1)+4
D100 D101 D102