Forward Loop/Reverse Loop Test - Mitsubishi Electric SW0DNC-MNETH-B User Manual

6 PROCEDURE AND SETTINGS UP TO THE POINT OF OPERATION

6.5.5 Forward loop/Reverse loop test

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Using the forward loop / reverse loop test you can check the Q80BD-J71LP21-25,
Q81BD-J71LP21-25, Q80BD-J71LP21S-25, Q80BD-J71LP21G, Q80BD-J71LP21GE
network module and cable hardware after all the stations have been connected with
optical fiber cable, and can also check if the IN and OUT cables have been connected
correctly.
POINT
The forward loop/reverse loop test can be used only when the Q80BD-J71LP21-25,
Q81BD-J71LP21-25, Q80BD-J71LP21S-25, Q80BD-J71LP21G or Q80BD-
J71LP21GE is used as the control station. If it is a normal station, carry out the test
from the control station of the network where the normal station is connected.
REMARK
This section explains concerning the MELSECNET/H board.
Refer to the following manuals concerning network module settings.
• Q corresponding MELSECNET/H Network System Reference Manual (PLC to
PLC network)
• QnA/Q4AR Corresponding MELSECNET/10 Network System Reference Manual
(1) Test mode settings
If you are performing the forward loop test, set the station executing the forward
loop test on "Forward loop test" in the mode settings in the "Board Information"
screen of the MNETH utility.
Also, for stations other than the station where the test is being run, treat them as
Online.
If you are performing the reverse loop test, set the station executing the forward
loop test on "Reverse loop test" in the mode settings in the "Board Information"
screen of the MNETH utility.
(2) Start of the test
Set the mode setting on "Forward loop test," "Reverse loop test" or "Online", then
click the Board Set button.
This operation is performed in the order of control station
MELSEC
normal station.
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