Specifications

4 - 14
4.7 Self-Diagnostic Tests
4.7.1 Self refrain test
The self refrain test is used to check whether the Ethernet module transmits a test
message addressed to the host station and then the station can receive it correctly.
(1) System configuration of the demonstration machine
The following indicates the system configuration of the demonstration machine.
QX
42
QY
42P
Q64
AD
QCPU
XA0
XBF
YA0
YBF
Q61P
-A1
QCPU
Q64
DA
QE71E
71-100
X0
X3F
Y40
Y7F
X80
X8F
Y80
Y8F
X90
X9F
Y90
Y9F
GX Developer
(Power
supply)
(PLC
No.1)
(PLC
No.2)
to to to to to to to to
(64 points) (64 points) (16 points) (16 points) (32 points)
* Set to the STOP status for the
exercise in this textbook.
Personal
computer
Hub
*
(2) Parameter setting
When a self refrain test is performed, parameter settings using the GX Developer
is required.
The following indicates the operation procedure of the parameter settings.
1) With reference to Section 5.2.1, make the multiple
CPU setting after starting a project.
2) Double-click "Network parameter" from the project
data list.
Continued to the next page
3) As the network parameter selection dialog box
is displayed, click the MELSECNET/Ethernet
button.