Mitsubishi MELSEC Q Series Programming Manual page 780

UNIRD(P)
(b) 32-point module for A series
D0
D1
• With a 48- or 64-point module, the same contents as those of D1 are stored in D2 or D2
and D3 respectively.
(c) Empty slot
D0
(d) Performing online module replacement
D0
(e) Module information on the extension base unit is tried to be read from the standby
system of the redundant system in separate mode.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
D0
7-406
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
1 1 0 0 0 0 0
For an A series module, all of these bits turn 0 because information is not stored.
A series module
Module is installed
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
1 0 0 0 0 0 0
All of these bits turn 0 because information is stored to "D0."
A module is installed as latter 16 points of a 32-point module.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 0 0 0
For an empty slot, all of these bits turn 0.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 0 0 0
0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
1 0 0 0 0 0 0
Performing online module replacement
0 0 0 0 0 0 0
Execution from the standby system
(Module information on the extension base unit is tried
to be read from the standby system of the redundant
system in separate mode.)
0
0
0 0
0 0
0