Mitsubishi MELSEC Q Series Handbook

3 ETHERNET INTERFACE MODULE REPLACEMENT
3 - 3
(c) 10BASE2
: Compatible, : Partial change required, ×: Incompatible
Item
Specifications
Compat-
ibility
Precautions for replacementA series AnS series Q series
AJ71E71N-B2 A1SJ71E71N-B2 QJ71E71-B2
Transmission
specifications
Transmission speed 10Mbps
Communication mode Half-duplex
Transmission method Base band
Max. distance
between nodes
925m
Maximum segment
length
185m
Maximum number of
nodes/connection
30/segment
Minimum node
interval
0.5m
Transfer data
storage
memory
Number of allowable
simultaneously open
connections
8 connections 16 connections
Fixed buffer 1k word × 8 1k word × 16
Change the sequence program
as buffer memory assignments
differ.
(Refer to Section 3.6.2.)
Random access buffer 3k words × 2 6k words × 1
No. of occupied I/O points
32 points/slot
(I/O assignment special 32 points)
32 points/slot
(I/O assignment intelli
32 points)

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English