Specifications

7 - 19
7.5 Operation of Demonstration Machine
By operating the demonstration machine, confirm that data is sent and received
between the PLC A and the PLC B via Ethernet.
In the following, the PLC A1 to A5 side is called PLC A and the PLC B1 to B5 side PLC
B.
1) Write the parameters and the programs to the PLC
A and the PLC B referring to Section 5.4.2.
2) Put both PLC A and PLC B into the RUN status.
OFF
XA
ON
OFF
3) Turn "XA" on the I/O panel of the PLC CPU A from
OFF to ON and to OFF again, then open the
connection.
As the PLC CPU B has been set to the following in
the operation settings of parameters, it is in the wait
for OPEN status (Unpassive open).
QJ71E71-100
RUN
INIT
OPEN
SD
ERR.
COM.ERR
RD
100M
4) The connection of the Ethernet module is opened,
and the "OPEN" LED is lit.
OFF
X8
ON
5) Turn ON and OFF X0 to X7 of the PLC CPU on the
sending side.
A
lso, input numerical values to the digital switch
(X20 to X2F).
Turn ON "X8" on the I/O panel of the PLC CPU on
the sending side, and perform the data sending
Y70Y71Y72Y73Y74Y75Y76Y77
OFF
ON
X0X1X2X3X4X5X6X7
6) Y70 to Y77 on the receiving side are lit according to
the status of X0 to X7 on the sending side.
A
lso, the numerical values of the digital switch (X20
to X2F) on the sending side are displayed on the
LED display (Y40 to Y4F) on the receiving side.
1
402
X2F X20
Y4F Y40
Continued to the next page