Mitsubishi Electric Melsec Q Series User Manual page 79

3
SPECIFICATIONS
(3) Diagnostic information invalid setting area (Un\G2080)
Setting some values to this area can mask (invalidate) any data of the diagnostic
information that is sent from a DP-Slave during communication. (Initial value: 02B9
0: Validates the diagnostic information.
1: Invalidates the diagnostic information.
Even if diagnostic information corresponding to each bit is generated on a DP-Slave,
it is not recognized as diagnostic information, and the status of the QJ71PB92V is as
follows:
POINT
Address
b15
DEC (HEX)
2080(820 )
H
bit
b0 Parameter transmission request from the DP-Slave
b1 Diagnostic information read request
b2 Fixed to 0
b3 The DP-Slave is monitored by the watchdog timer.
b4 DP-Slave entered FREEZE mode.
b5 DP-Slave entered SYNC mode.
b6 0 (Reserved)
Excluded from I/O data exchange according to the parameter settings
b7
b8 Unable to exchange I/O data with DP-Slaves.
b9 The DP-Slave is not ready to exchange I/O data.
The parameter (No. of I/O bytes) received from the DP-Master
b10
does not match that of the DP-Slave.
b11 Extended diagnostic information exists.
b12 The function requested by the DP-Master is not supported.
b13 Illegal response from DP-Slave
b14 Illegal parameter(s) sent from the DP-Master
b15 Controlled by another DP-Master
Figure 3.24 Diagnostic Information Invalid Setting Area (Un\G2080)
• The Diagnostic information detection signal (X01) does not turn ON.
• The RSP ERR. LED does not turn ON.
• No error code and detailed data is stored in the Diagnostic information area (for
mode 3) (Un\G2307 to Un\G23321) and/or Extended diagnostic information area
(for mode 3) (Un\G23328 to Un\G23454).
• The bit corresponding to the station that sent the diagnostic information does not
turn ON in the Slave status area (Diagnostic information detection) (Un\G23056
to Un\G23064).
Set values into the Diagnostic information invalid setting area (Un\G2080) when
the Data exchange start request signal (Y00) is OFF.
Values set with the Data exchange start request signal (Y00) ON are ignored.
3.4 Buffer Memory
3.4.6 Diagnostic information area
to b0
See below.
Description
)
H
Initial
value
1
0
0
1
1
1
0
1
0
1
0
0
0
0
0
0
3
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