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iVu Plus TG and Color Gen2 Image Sensors
During the Data and Image export operation the sensor's output channels might become full. This can occur
if the sensor is producing export data (frames) faster than the data can be exported from the device (due to
bandwidth limitations) or faster than the client is reading the channel export data.
This setting affects how the sensor will behave in this situation.
•
Select Hold READY to ensure that all frames are transmitted. In this case, the READY signal remains
inactive (sensor is busy) until the new frame has been added to the channel for transmission.
Triggers might be missed during this time.
•
Select Do not hold READY to cause the sensor to discard the new frame if the channel is full and
activate the READY signal immediately after the current inspection is complete. In this case, the
discarded frames are not transmitted.
14.3 Testing and Troubleshooting iVu Communications
14.3.1 Understanding the Communication Log
The iVu includes the following Communication Logs:
•
Command Channel Log—Ensures that commands are properly formed (syntax is correct), and provides a history of
commands issued along with responses to these commands. To access the Command Channel Log, go to Main
Menu > Logs > Communication Logs > Command Channel
•
Data Export and Image Output logs—These logs are purely output logs (that is, there is no receive activity to log)
Some notes about the logs:
•
To see an expanded view of each entry, click the small right-triangle control on each entry
•
To save the log, click the save icon. The saved communication log can be loaded into the emulator for
troubleshooting offline
The following table describes the icons used in the Communication Log. The up-arrow indicates an incoming request to the
iVu from the control device. The down-arrow indicates an outgoing response from the iVu to the control device.
Icon
Description
Port open.
Port closed.
Indicates that the command has been processed without errors.
Indicates that the incoming entry is stalled (no new bytes), or end-of-frame delimiter was not received, or
client is not reading data on Ethernet.
Indicates whether the response frame contains an error or is dropped, the log entry icons for the request
and the response frames are red, and the displayed error count increments by one.
If the command takes a long time to process, the last long entry changes to an hourglass (for example,
during trigger of long inspections).
For Ethernet channels:
•
The channel's log shows an Enabled entry that indicates which port is being listened to
•
When a client connects, a log entry is added that indicates which IP address connected
108
Figure 169. Command Channel Logs Screen
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Troubleshooting
