Mitsubishi Electric MELSEC-Q/L - Page 774

772
7 APPLICATION INSTRUCTIONS
7.19 Other Instructions
• 32-point module for A series
With a 48- or 64-point module, the same contents as those of D1 are stored in D2 or D2 and D3 respectively.
• Empty slot
• Performing online module replacement
• Module information on the extension base unit is tried to be read from the standby system of the redundant system in separate mode.
• L series 32-point intelligent function module
D0
For an A series module, all of these bits turn 0 because information is not stored.
Module is installed
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.
D1
A series module
1100000000000000
1 00000000000000
b15b14 b13b12 b11 b10b9 b8
b7
b6
b5
b4 b3 b2 b1 b0
0
b15b14 b13b12 b11 b10b9 b8
b7
b6
b5
b4 b3 b2 b1 b0
For an empty slot, all of these bits turn 0.
D0 0000000000000000
b15b14b13b12 b11 b10b9 b8
b7
b6
b5
b4 b3 b2 b1 b0
D0 00000001 00000000
b15b14b13b12 b11 b10b9 b8
b7
b6
b5
b4 b3 b2 b1
b0
Performing online module replacement
D0 00000001 00000000
b15b14b13b12 b11 b10b9 b8
b7
b6
b5
b4 b3 b2 b1
b0
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.)
b15b14 b13b12 b11 b10b9 b8
b7
b6
b5
b4 b3 b2 b1 b0
D0
b15b14 b13b12 b11 b10b9 b8
b7
b6
b5
b4 b3 b2 b1 b0
32-point module
Intelligent function module
(Empty)
(Empty)
(Empty)
No module errors
Module preparation complete
(Empty)
Module connected
D1
All 0, because information is stored in "D0".
The module is mounted as the second 16 points of a 32-point module
01 0 1 000000011001
1 000000000000000