Extended Diagnostic Information Read Area - Mitsubishi Electric Melsec Q Series User Manual

3
SPECIFICATIONS

3.4.7 Extended diagnostic information read area

This area is used to read the extended diagnostic information from DP-Slaves.
(1) Extended diagnostic information read request area (Un\G23456)
(2) Extended diagnostic information read response area (Un\G23457 to
Address
DEC (HEX) b15
The read result is stored. (Initial value : 0000
A200
23457(5BA1 )
H
Other than A200
The data size of the extended diagnostic information in addresses 23459 to 23583 (5BA3
(Initial value : 0000
23458(5BA2 )
H
0006
The information of status 1 is stored.
(Initial value: 00
23459(5BA3 )
H
00
H
Other than 00
The status 3 information (Whether or not any
extended diagnostic information other than the one
sent this time is stored in the DP-Slave) is stored.
(Initial value : 00
23460(5BA4 )
H 00
H
80
H
23461(5BA5 )
The ident No. of the DP-Slave is stored. (Initial value : 0000
H
23462(5BA6 )
H
to
The extended diagnostic information (max. 244 bytes) is stored. (Initial value : 0000
23583(5C1F )
H
Figure 3.27 Extended Diagnostic Information Read Response Area (Un\G23457 to Un\G23583)
3
- 43 3.4 Buffer Memory
3.4.7 Extended diagnostic information read area
Set the FDL address of the DP-Slave whose extended diagnostic information is to be
read. (Initial value: FFFF
Table3.18 Extended Diagnostic Information Read Request Area (Un\G23456)
Set Value
0000 to 007D
H H
(0 to 125)
By setting the FDL address is set in the Extended diagnostic information read request
area (Un\G23456) and turning ON the Extended diagnostic information read request
signal (Y06), the extended diagnostic information is stored in the Extended diagnostic
information read response area (Un\G23457 to Un\G23583).
Un\G23583)
The execution result of the extended diagnostic information read request is stored in
this area.
If the request failed, the values in address 23458 to 23583(5BA2
0 .
H
: Normally completed
H
: Failed (Error code
H
)
H
to 00F4 : Data size of extended diagnostic information (unit : byte)
H H
)
H
: Normal
Section 3.4.6 (4) (b)
:
H
)
H
: No other extended diagnostic information
exists.
: Other extended diagnostic information
exists.
)
H
Set the FDL address of the DP-Slave.
b8 b7
)
H
Section 9.5.1
)
The latest information of status 2 is stored.
(Initial value : 00
00
H
Other than 00
The FDL address of the DP-Master is stored.
(Initial value: 00
For the DP-Slave that has not started I/O data
exchange, FF
00 to 7D (0 to 125) : FDL address
H H
)
H
Description
to 5C1F
H
to 5C1F
H H
)
H
: Normal
Section 3.4.6 (4) (b)
:
H
)
H
is stored.
H
)
H
) become
H
b0
) is stored.