Omron NJ Series Troubleshooting Manual

2-15
2 Error Troubleshooting Methods
NJ-series Troubleshooting Manual (W503)
2-4 Troubleshooting When You Cannot Go
Online from the Sysmac Studio
2
2-4-2 Troubleshooting for Each Cause
This section provides troubleshooting methods for incorrect settings, fault communications paths, and
high system service loads.
If the Sysmac Studio cannot go online with the CPU Unit, troubleshoot the problem with the following
flowchart.
 Direct Connection to Peripheral USB Port
2-4-2 Troubleshooting for Each Cause
Troubleshooting Incorrect Settings and Faulty Communications
Path
Ye s
Is the USB driver installed correctly?
Replace the USB cable.
End
No
No
No
No
No
No
No
No
Insert the USB cable connectors all the way
at the computer and Controller.
Turn ON the power supply to the Controller.
Is the USB cable connected properly?
Is power supplied to the Controller?
Ye s
Can the Sysmac Studio
go online with CPU Unit?
Can the Sysmac Studio
go online with CPU Unit?
Can the Sysmac Studio
go online with CPU Unit?
Sysmac Studio cannot
connect to CPU Unit.
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s
Can the Sysmac Studio
go online with CPU Unit?
Is the connection method set to a
direct USB connection in the
Communications Setup of the
Sysmac Studio?
Set the connection method to a direct USB connection
in the Communications Setup of the Sysmac Studio.
Install the USB driver.
Refer to the appendices of Sysmac Studio
Version 1 Operation Manual (Cat. No. W504)
for the installation procedure for the USB
driver.

Omron NJ Series Specifications

General

Brand	Omron
Model	NJ Series
Category	Controller
Language	English