Mitsubishi Electric MELSEC iQ-R Series User Manual page 157

Troubleshooting on starting offline monitoring
Symptom Check point
Unable to start offline Does the following message appear when starting offline
monitoring in GX Works3. monitoring?
'Unable to read the data because the target model set in file
and the one set in project is different.'
Troubleshooting on playing a video file
Symptom Check point
The playback time does not Is the time synchronized between a camera recorder module
match between devices/ and a network camera?
labels and video data.
Is a network camera being restarted when a trigger (recording
startup trigger or file saving trigger) is satisfied?
Unable to play a video file. Has an error occurred in GX VideoViewer?
Is the file name of the video file changed?
Is a network camera being restarted when a trigger (recording
startup trigger or file saving trigger) is satisfied?
Unable to record a video at • Is the captured video playing smoothly without being
a set frame rate. (Any gray distorted?
frame is included in a video • Is the load high on a network camera, such as event
file being played/sought.) settings other than capturing data or recording for another
setting in the network camera?
• Is the communication volume large on the network to which
a camera recorder module and network camera are
connected?
Check the points above in 'Number of lost frames'
(Un\G34475, Un\G34975, Un\G35475, Un\G35975) of a
camera recorder module. (Page 282 Network camera
status area (Un\G34000 to 37999))
• Has video data reception failed due to the high processing
load on a module caused by network communication as a
result of receiving and saving the video data at the same
time with the following settings?
- Multiple recording settings are used in one module.
- A file server is specified as the save destination in the
saving path setting.
Does a camera event occur frequently in a network camera?
A time is not saved Is a value in a device or label changing constantly? Or, is
according to the setting. video data playing smoothly without being distorted?
There is no video data when Is the saving period before trigger set longer sufficient to
a camera event occurs. capture the video when a camera event is detected in the
saving period setting in the recording setting?
Corrective action
• Open a project written to a CPU module when a recording
file was saved in GX Works3 before starting offline
monitoring.
Corrective action
• Check if a correct value is set for the time in the network
camera.
The time can be checked by using a dedicated tool for the
camera. For details, refer to the manual for the network
camera used.
Review the system configuration so that the power of the
network camera does not turn OFF when a trigger is satisfied.
• Refer to the troubleshooting described in the following
manual to take corrective action.
GX VideoViewer Version 1 Operating Manual
Open the recording.xml file in the recording file and refer to the
contents the element name of which is 'FileName' to restore
the file name.
Review the system configuration so that the power of the
network camera does not turn OFF when a trigger is satisfied.
• Change the setting values of resolution, video frame rate,
and video quality to lower ones in the module extended
parameter. (Page 103 Module Extended Parameters
(Camera Recorder Module))
• If there is a time when the communication load is
significantly high, consider countermeasures.
• Set "Operation at video data saving" to "Video data receiving
takes priority" in the module parameter.
• Change the save destination to an SD memory card in the
saving path setting if a file server is specified.
• Review the setting for the event detection function of the
network camera.
• Review the module extended parameters. (Page 103
Module Extended Parameters (Camera Recorder Module))
• Set it longer sufficient to capture a video when a camera
event occurs.
5 TROUBLESHOOTING
5.2 Offline Monitor Function
5
155