General troubleshooting – Comtrol 500 DeviceMaster User Manual
Page 64
64 - Troubleshooting and Technical Support
DeviceMaster 500 User Guide: 2000501 Rev. A
Troubleshooting and Technical Support
•
Verify that the network IP address, subnet mask, and gateway is correct and
appropriate for the network. If IP addressing is being used, the system should
be able to ping the DeviceMaster 500.
•
Verify that the IP address programmed into the DeviceMaster 500 matches
the unique reserved IP configured address assigned by the system
administrator.
•
If using DHCP, the host system needs to provide the subnet mask and
gateway.
•
If using a driver for Windows, verify that you are addressing the port correctly.
In many applications, device names above COM9 require the prefix \\.\ in
order to be recognized. For example, to reference COM20, use \\.\COM20 as the
file or port name.
•
If using a driver for Windows, you can use one of the Comtrol tools, which are
discussed in the NS-Link User Guide.
-
Device Advisor, which helps identify problems is a tab in the Advisor
window of the Windows driver.
-
Test Terminal program, which can be used to troubleshoot
communications on a port-by-port basis.
-
Port Monitor program, which checks for errors, modem control, and status
signals. In addition, it provides you with raw byte input and output
counts.
•
If using a driver for Windows hosts, enable the Verbose Event Log feature
under the Options tab and then reboot the system.
•
Reboot the system and the DeviceMaster 500.
•
Remove and reinstall NS-
•
If you have a spare DeviceMaster 500, try replacing the device.
General Troubleshooting
This table illustrates some general troubleshooting tips.
Note: Make sure that you have reviewed the
General Condition
Explanation/Action
PWR or Status LED
flashing
Indicates that boot program has not downloaded to the
DeviceMaster 500.
1.
Make sure that you have downloaded the most
current driver from
.
2.
Install the driver and configure the device using the
MAC address. Make sure that you reboot the
system.
Note: If the PWR or Status LED is still flashing,
contact Technical Support.
3.
If you want to program an IP address into the
DeviceMaster 500, you can use the procedure
outlined in the NS-Link User Guide (Page 8).
4.
Remove the NS-Link driver.
PWR or Status LED not
lit
Indicates that power has not been applied or there is a
hardware failure. Contact Technical Support.