INSTALLATION AND OPERATING INSTRUCTIONS
SKF Multilog On-line System IMx-16Plus
SKF Multilog On-line System IMx-16Plus
User Manual
Revision Letter A
33 (66)
•
Manual set time
Use the "Set time" function in @ptitude Observer which is found under the
menu item "On-line", then "IMx/MasCon devices".
For IMx-16Plus devices in standalone mode, the IMx Manager app will check
and update the time (to the time on the mobile device being used), whenever
it connects.
2.5.16 Network data transfer
In operation, the IMx-16Plus is continuously monitoring the incoming sensor signals
and (where available) can have access to GPS data and measurements shared by
other systems via Modbus. It is connected to an @ptitude Observer Monitor Service
and data is stored in that remote database as specified by predefined operating and
storage conditions. These can include:
•
Trend and dynamic data stored at fixed time intervals.
•
Modified storage intervals while the measurement point is in alarm
or based on detected differences between the last two measurements.
The amount of the data transferred across the network is normally small but is
dependent on the IMx-16Plus configuration. In case of temporary loss of the network
connection, data is still measured and stored locally so that when the connection is
re-established, collected data is transferred to the database.
The following are some examples of network load from an example configuration.
Trend data for 1 measurement point:
•
Vibration measurement point
160 bytes per trend value
•
Other measurement point (for example digital) 50 bytes per trend value
FFT spectra for 1 measurement point:
•
Number of lines x 2 bytes (2 bytes if FFT spectra include only amplitude, but
4 bytes if FFT spectra include both amplitude and phase)
Time waveform storage:
•
Number of lines x 5,12 bytes per measurement point (2 bytes per sample)
For an 8-channel setup, the data rates can be illustrated as follows:
Setup:
•
8 vibration measurement points (3200 lines)
•
With time waveform
•
1 speed (tacho) measurement point
•
Store FFT spectra with time waveform 1 per day, trend data every 10 minutes
and digital data every 10 minutes.
