Mitsubishi Electric MELSEC-A Series Manual page 172

5
REPLACEMENT OF THE MELSECNET/10 (REMOTE I/O NETWORK)
Item
Number of occupied I/O points
Remote master station  remote sub-master station, remote I/O station: 8192 points
*1
Remote sub-master station, remote I/O station  remote master station: 8192 points
*2 The remote master station includes the multiplexed remote master station and multiplexed remote sub-master station.
*3 For the multiplexed remote I/O network, one station in 64 stations of the remote I/O station is used for the multiplexed
remote sub-master station.
5
- 6
Specifications
AJ71QLP21S
A1SJ71QLP21S
AJ71QLP21S:
32 points per slot (I/O assignment:
48 points 2 slots
special 32 points)
(I/O assignment:
A1SJ71QLP21S:
48 points 2 slots (I/O assignment:
empty 16 points,
empty 16 points,
intelli. 32 points)
first half
special 32 points)
second half
Compati-
bility
QJ71LP21S-25
first half
second half
Precautions for replacement
When the AJ71QLP21S is replaced,
set the [Empty 16 points] of first half to
the [Empty 0 point] with I/O
assignment.