Mitsubishi Electric Melsec Q Series User Manual page 83

3
SPECIFICATIONS
(5) Extended diagnostic information area (for mode 3) (Un\G23328 to
Un\G23454)
This area stores the latest extended diagnostic information occurred during
communication.
Address
b15
DEC(HEX)
The FDL address of the DP-Slave that notified of the latest extended diagnostic information in addresses
23329 to 23454 (5B21
23328(5B20 )
H
0000 to 007D
H
The data size of the latest extended diagnostic information in addresses 23330 to 23454 (5B22
is stored. (Initial value : 0000
23329(5B21 )
H
0006 to 00F4
H
The latest information of status 1 is stored.
(Initial value : 00
23330(5B22 )
H
00
H
Other than 00
The latest status 3 information (Whether or not any
extended diagnostic information other than the one
23331(5B23 )
sent this time is stored in the DP-Slave) is stored.
H
(Initial value : 00
00
: No other extended diagnostic information
H
exists.
80 : Other extended diagnostic information
H
exists.
23332(5B24 )
H
The latest ident No. of the DP-Slave is stored. (Initial value : 0000
23333(5B25 )
H
The latest extended diagnostic information (max. 244 bytes) is stored. (Initial value : 0000
to
23454(5B9E )
H
Figure 3.26 Extended Diagnostic Information Area (for mode 3) (Un\G23328 to Un\G23454)
POINT
to 5B9E ), is stored. (Initial value: 0000
H H
(0 to 125) : FDL address
H
)
H
: Data size of extended diagnostic information (unit: byte)
H
)
H
: Normal
This section(4)(b)
:
H
)
H
(1) The information in Extended diagnostic information area (for mode 3)
(Un\G23328 to Un\G23454) is not cleared even if corrective action is taken for
the relevant error that has occurred on a DP-Slave.
To clear the information in Extended diagnostic information area (for mode 3)
(Un\G23328 to Un\G23454), turn ON the Diagnostic information area clear
request signal (Y02).
(2) When b11 of the Diagnostic information invalid setting area (Un\G2080) is set
to ON (1), information is not stored in the Extended diagnostic information
area (for mode 3) (Un\G23328 to Un\G23454).
3.4 Buffer Memory
3.4.6 Diagnostic information area
b8 b7
)
H
The latest information of status 2 is stored.
(Initial value : 00 )
H
00 : Normal
H
This section(4)(b)
Other than 00 :
H
The latest FDL address of the DP-Master is stored.
(Initial value : 00 )
H
For the DP-Slave that has not started I/O data
exchange, FF is stored.
H
00 to 7D (0 to 125) : FDL address
H H
)
H
b0
to 5B9E )
H H
)
H
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