Mitsubishi Electric FX5-DP-M User Manual page 148

Extended diagnostic information area
■Extended diagnostic information area (Un\G23328 to Un\G23454)
This area stores the latest extended diagnostic information generated during data exchange. ( Page 25 Acquisition of
diagnostic information and extended diagnostic information)
Address Bit

Un\G23328

Un\G23329
Un\G23330 b8 to b15
b0 to b7
Un\G23331 b8 to b15
b0 to b7

Un\G23332
Un\G23333 to 
Un\G23454
• The information in 'Extended diagnostic information area' (Un\G23328 to Un\G23454) is not cleared by
resolving the problem that occurred to the relevant DP-Slaves. To clear the information in 'Extended
diagnostic information area' (Un\G23328 to Un\G23454), turn on 'Diagnostic information area clear request
signal' (Un\G2.b2).
• If b11 of 'Diagnostic information invalid setting area' (Un\G2080) is turned on, no information is stored in
'Extended diagnostic information area' (Un\G23328 to Un\G23454).
Extended diagnostic information read request area
■Extended diagnostic information read request area (Un\G23456)
This area stores the FDL address of a DP-Slave from which extended diagnostic information is read.
Address Setting value
Un\G23456 0000H to
007DH
(FDL address: 0
to 125)
Setting an FDL address in 'Extended diagnostic information read request area' (Un\G23456) and turning on 'Extended
diagnostic information read request signal' (Un\G2.b6) causes extended diagnostic information to be stored in 'Extended
diagnostic information read response area' (Un\G23457 to Un\G23583).
APPX
146
Appendix 3 Buffer Memory
Name Description
FDL address of DP-Slave Stores the FDL address of the DP-Slave that sent the latest extended diagnostic
information stored in addresses Un\G23329 to Un\G23454.
• 0000H to 007DH (0 to 125): FDL address
Size Stores the data size of the latest extended diagnostic information stored in
addresses Un\G23330 to Un\G23454.
• 0006H to 00F4H: Data size of extended diagnostic information (Unit: byte)
Status 1 + status 2 Stores the latest status 1 information.
• 00H: Normal
• Other than 00H: Page 145 Status 1 and status 2 information
Stores the latest status 2 information.
• 00H: Normal
• Other than 00H: Page 145 Status 1 and status 2 information
Status 3 + FDL address of Stores the latest status 3 information (whether any piece of extended diagnostic
DP-Master information other than the one sent this time is stored in the DP-Slave).
• 00H: No other extended diagnostic information is stored.
• 80H: Other extended diagnostic information is stored.
Stores the latest FDL address of DP-Master.
• 00H to 7DH (0 to 125): FDL address
Ident No. Stores the latest Ident number for the DP-Slave.
Extended diagnostic Stores the latest extended diagnostic information (244 bytes maximum).
information
Description
Stores the FDL address for a DP-Slave.
Initial
value
0000H
0000H
00H
00H
00H
00H
0000H
0000H