[Issue No.] T09-0010 [Page] 1/3
[Title] MELSEC-Q series Ethernet interface module lineup [Date of Issue] May, '03
change and upgraded functions
[Relevant Models] QJ71E71-100, QJ71E71-B5 and QJ71E71-B2
HEAD OFFICE : 1-8-12, OFFICE TOWER Z 14F HARUMI CHUO-KU 104-6212, JAPAN
NAGOYA WORKS : 1-14, YADA-MINAMI 5-CHOME, HIGASHI-KU, NAGOYA, JAPAN
Thank you for your continued support of Mitsubishi programmable logic controllers, MELSEC-Q series.
The product lineup of the MELSEC-Q series Ethernet interface modules has been changed and upgraded as follows:
1. Changes in the MELSEC-Q series Ethernet interface module lineup
A new model, the 10BASE5 dedicated type QJ71E71-B5 has been added to the MELSEC-Q series Ethernet interface
module lineup and you can now select the optimum Ethernet interface module for your network.
Network New lineup Old lineup
100BASE-TX QJ71E71-100
10BASE-T
QJ71E71-100
QJ71E71-100
QJ71E71
10BASE5 QJ71E71-B5 QJ71E71
10BASE2 QJ71E71-B2 QJ71E71-B2
Please note that production of the previous QJ71E71 for 10BASE-T/10BASE5 will be discontinued with the
introduction of the QJ71E71-B5
For production discontinuation information of the QJ71E71, see Section 4.
2. Additional functions for the MELSEC-Q series Ethernet interface modules
The following new functions have been added to the MELSEC-Q series Ethernet interface modules with the
introduction of the QJ71E71-B5.
(1) Additional functions
Function *1 Description
Communication using the Web function
Read/write data to the PLC CPU via the Internet from a commercially
available Web browser.
Connection status check
of external device
(Alive check function)
Check with
KeepAlive
An ACK message is transmitted from the TCP protocol communication
connection to verify the connection status of the external device.
*1 For details on the additional functions, refer to the New Product Release No. 199E.
(2) Applicable model
(a) Communication using the Web function
Model Version
QJ71E71-100 Available for all (No version restrictions)
QJ71E71-B5 Available for all (No version restrictions)
QJ71E71-B2 Products with first 5 digits of serial No., 05051 or later