Mitsubishi MELSEC Q Series Handbook

3 ETHERNET INTERFACE MODULE REPLACEMENT
3 - 5
(c) 10BASE2
: compatible, : partial change required, ×: Incompatible
Item
Specifications
Compat-
ibility
Precautions for replacementQnA series QnAS series Q series
AJ71QE71N-B2 A1SJ71QE71N-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
Random access buffer 6k words × 1
No. of E
2
PROM writes Max. 100,000 times on same area in E
2
PROM
-
No E
2
PROM (Refer to Section
3.8.)
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