turck CMVT Series, Инструкция по эксплуатации

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Setting
Settable functions and features
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Parameter Meaning
ISO 10816-3 The precise vibration limit values for industrial machinery are specified in the ISO
10816-3 standard. The vibration limit values are used to assess industrial
machinery with a rated power of ≥15 kW and a rated speed of 120…1500 rpm.
Different values are given for machines with rigid or flexible mounting supports.
Configurable switching outputs with PNP/NPN logic can indicate values exceed-
ing the limit values defined in ISO 10816-3. The following limit value categories
apply:
n
Newly installed machine
n Suitable for continuous operation
n
Permissible for short-time operation
n
Not permissible
The ISO 10816-3 classification consists of four groups of machines and pumps:
n
Group 1: Large machinery with a rated power between 300 kW and 50 MW or
an electric motor with ≤ 315 mm shaft height
n
Group 2: Medium-sized machinery with a rated power between 15 kW and
300 kW or an electric motor with 160 mm ≤ 315 mm shaft height
n
Group 3: Pumps with a rated power > 15 kW and an external drive
n
Group 4: Pumps with a rated power > 15 kW and an integrated drive
The classification of the machine supports into rigid and flexible systems is due
to the relationship of the natural frequency of the overall machine and support
system as well as the excitation frequency. If the lowest natural frequency of the
overall system is at least 25 % above the excitation frequency, the machine sup-
port is classified as rigid. Flexibly mounted machinery is dampened and more
tolerant of vibration than rigidly mounted machinery, which is not dampened.
The following parameters can be set according to ISO-10816-3 grouping:
n
Group 1 rigid
n
Group 1 flexible
n
Group 2 rigid
n Group 2 flexible
n
Group 3 rigid
n
Group 3 flexible
n
Group 4 rigid
n
Group 4 flexible
n Temperature
n
Manual
Manual is used to manually define the limit values for the vibration speed in ms/s
and temperature at which the switching outputs are activated in the event of an
excess value.
Time slots The rms values of the vibration speed, the acceleration or the peak-to-peak
values are determined and output over the set period. The following time win-
dows for calculating the vibration can be defined:
n 20 ms
n
100 ms
n
250 ms
n
500 ms
n
1000 ms
Hysteresis The hysteresis window of the switching outputs can be set as a percentage of the
configured threshold value.
Threshold values When setting the limit values for vibration speed and temperature manually, it is
possible to set values for the pre-alarm and warning or alarm for each measure-
ment axis.