Precautions When Using Link Dedicated Instructions - Mitsubishi Electric Q Series Reference Manual

2 SYSTEM CONFIGURATION

2.2.1 Precautions when using link dedicated instructions

Request issued by
480 words or less
481 to 960 words
Request issued by
480 words or less
481 to 960 words
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When accessing to other stations from MELSECNET/H network modules (who issue
the request) with function version B or later upon link dedicated instructions, the
handling methods are different depending on the module of the target station.
The handling methods for each module of the target station are explained below.
(1) Link dedicated instructions modified for function version B
The data length of the SEND, READ, SREAD, WRITE and SWRITE instructions
is changed (480 words
(a) When the target station is a network module
CC-Link IE
controller network
module
: Processed normally
: Ends abnormally. Error code returned to the request source.
1: The SEND instruction ends abnormally. Error code returned to the
request source.
The READ, SREAD, WRITE, and SWRITE instructions are processed
normally.
(b) When the target station is a Q series Ethernet module
: Processed normally
: Ends abnormally. Error code returned to the request source.
1: The SEND instruction ends abnormally. Error code returned to the
request source.
The READ, SREAD, WRITE, and SWRITE instructions are processed
normally.
2: The operations for the SEND instruction are not normal. (Error support
available F7C3
The READ, SREAD, WRITE, and SWRITE instructions are processed
normally.
3: Shows the first 5 digits of the serial number.
960 words.)
Target station
MESLECNET/H network module
Function version B or D
Target station (Q series Ethernet module)
Function version D
07082 or 07081 or
later 3 earlier
)
H
MELSEC-Q
MESLECNET/10
Function version A
1
Function
version B
3
1 1
network module
Function
version A
2
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