2
Specification
QJ71E71-B5 QJ71E71-B2
Item
10BASE5 10BASE2
Data transmission
speed
10 Mbps (Half-duplex)
Transmission
method
Base band
Maximum
node-to-node
distance
2500 m (8202.10 ft.)
925 m (3034.77 ft.)
Maximum segment
length
500 m (1640.42 ft.)
185 m (606.96 ft.)
Maximum number of
nodes/connection
100 units/ segment
30 units/ segment
Trans-
mission
specifi-
cations
Interval between the
minimum nodes
2.5 m (8.20 ft.)
0.5 m (1.64 ft.)
Number of
simultaneously open
connections allowed
16 connections (Connections usable by the sequence program)
Fixed buffer
1 k words 16
Random access
buffer
6 k words 1
Attached file
6 k words 1 ( 2)
Trans-
mission
data
storage
memory
Main text
960 words 1 ( 2)
Number of I/O points occupied
32 points/1 slot (I/O assignments: intelligent)
5 V DC internal current
consumption
0.50 A
0.60 A ( 4)
12 V DC external power supply
capacity (Transceiver)
( 3) —
External dimensions
98 (3.86 in.) (H) 27.4 (1.08 in.) (W) 90 (3.54 in.) (D) [mm]
Weight
0.12 kg (0.26 Ib.)
0.13 kg (0.29 Ib.) ( 4)
1: Length between the Hub and node.
2: Regarding the specifications of the e-mail transmission and reception
function, refer to the Ethernet module Users Manual (Basic) or the Users
Manual (Application).
3: It is necessary to apply a transceiver, or a device that meets AUI cable
specifications.
4: The product with first 5 digits of serial number "05049" or earlier is different
as follows:
• 5V DC internal current consumption: 0.70A
• Weight: 0.14kg (0.31lb.)
Summary of Contents for MELSEC QJ71E71-100
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