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5.10
Speed monitoring (spinning protection)
Speed monitor VM
The monitoring function detects excessive speeds and prevents the drive from spinning by stopping
category 0. The function ensures that the parameterised speed threshold value is not exceeded.
Timing
Status signal
VM
Initial state VM
= 0
The signal is set under the following conditions:
–
The threshold value (speed) is reached
0
à
1
The signal is reset under the following conditions:
–
The value falls below the threshold value (speed)
1
à
0
Tab. 323 Status signals - Speed monitoring
Parameters and diagnostic messages
ID Px.
Parameters
Description
Specifies the maximum speed value. When the threshold value
is reached, the drive is stopped with stop category 0. A dia-
gnostic message is issued if the parameterised speed value is
exceeded.
Access
read/write
Update
effective immediately
4660
Maximum rpm
Unit
user defined
Tab. 324 Parameters - Speed monitoring
ID Dx.
Name
Description
07 | 02 | 00128
(117571712)
Velocity too high
RPM monitoring reports velocity too high
Tab. 325 Diagnostic messages - Speed monitoring
5.10.1
CiA 402
Objects - Speed monitoring
Parameters
Index.Subindex
Name
Data type
Px.
Manufacturer-specific objects: saved basic unit for the object is effective.
4660
0x2166.30
Maximum rpm
FLOAT32
Tab. 326 Objects
Motion monitoring
334
Festo — CMMT-ST-SW — 2019-02
Содержание CMMT-ST-SW
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