Mitsumi electronic NZ2GF-ETB ユーザーズマニュアル

ページ / 246
151
CHAPTER 9 TROUBLESHOOTING
9
9.4  T
roubleshooting by Symptom
9.4.1  C
yclic transmissio
n can
not be per
formed
9.4
Troubleshooting by Symptom
This section describes troubleshooting methods by symptom.
● If the problem is not solved by troubleshooting by symptom
Perform a unit test on the Ethernet adapter module to check for hardware failure. (
9.4.1
Cyclic transmission cannot be performed
When cyclic data are not delivered to other stations or not received from the master station, troubleshoot the problem 
as shown below.
 
If the above does not solve the problem, check the link device assignment of the master station or the refresh target 
devices set in the refresh parameter setting for any error. (
 User's manual for the master/local module used)
9.4.2
Transient transmission cannot be performed
(1) Transmission from a master or local station to the Ethernet adapter module
If transient transmission to the target station is not available, check if the network number and station number of 
the Ethernet adapter module are correctly set. (
If they are set on the Ethernet adapter module, troubleshoot the problem referring to the master/local module 
troubleshooting section. (
 User's manual for the master/local module used.)
(2) Transmission from GX Works2 and through the Ethernet adapter module
Troubleshoot the problem as shown below when MELSOFT connection from GX Works2 through the Ethernet 
adapter module is not possible.
Checking
Action
Is the D LINK LED on the Ethernet adapter module on?
If the D LINK LED is flashing or off, troubleshoot the problem by 
checking the LEDs. (
Is the switch of the Ethernet adapter module set to "RUN"?
Set the switch of the Ethernet adapter module to "RUN."
Is the RUN LED on the Ethernet adapter module on?
If the RUN LED is flashing or off, troubleshoot the problem by checking 
the LEDs. (
 
Checking
Action
Is the D LINK LED on the Ethernet adapter module on or 
flashing?
If the D LINK LED is off, troubleshoot the problem by checking the LEDs. 
(
 
Are the settings in "Transfer Setup" correct?
Correct the settings in "Transfer Setup" of GX Works2. 
(
 
Does the network No. of the Ethernet adapter module match 
that of the connected network?
Change the network No. of the Ethernet adapter module to that of the 
connected network.