7
POINT
(1) The following can be used as a countermeasure for errors due to high
frequency noise according to the installation environment.
Mount a ferrite core using the method shown in (2) below.
Increase the retry number when communicating by TCP/IP.
(2) Use the following method to mount a ferrite core when connected to the
network by 10BASE5.
(Mounting the ferrite core)
Mount the ferrite core to the Ethernet module side and the external device
side/the transceiver side for AUI cable.
(The ferrite core used for our testing: ZCAT 2032-0930 manufactured by
TDK Corporation)
Ferrite core
AUI cable
Coaxial cable for 10BASE5
Transceiver
QJ71E71-B5
5.3 Connecting to the 10BASE2
[2]
[1]
<Connection procedure>
1) Push in the connector by aligning
the groove [1] and tab [2] as shown
in the figure.
2) While pushing in the connector,
rotate it clockwise by a 1/4 turn.
3) Turn until the connector locks.
4) Check that the connector is locked.
Summary of Contents for MELSEC QJ71E71-100
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