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Operating Manual
MHM-97442
•
1x per revolution
The monitor measures the speed once per revolution. This mode is recommended
when variations in the measurements are expected, and when acceleration
measurements shall be performed. See
depending on the selected measuring mode. At a machine speed of 3000 rpm, for
example, the maximum measurement time is 40 ms.
•
Automatically
This measuring mode is the preferred mode for most of the measurements. See
5-2
accurate measurement at higher speeds.
Table 5-2: Maximum measurement time
Measurement mode
1*per revolution
Automatic
1
2
This parameter also influences the reaction time of safety function Speed. The AMS
6300 SIS safety manual contains further information on this.
Advanced pulse comparison
Place a checkmark in this box to activate the advanced pulse comparison. See
comparison
This parameter is grayed out if VR has been selected for parameter Sensor Input → Sensor
type.
Preferred direction of rotation
Use this box to define the preferred rotational direction. Place a checkmark in the box to
define "inverted to the normal direction" as the preferred rotational direction. See
Detection of rotational direction
direction.
This parameter is grayed out if VR has been selected for parameter Sensor Input → Sensor
type.
Reset of rotational direction (external)
Place a checkmark in this box to enable the external reset of the rotational direction. With
the box checked, a reset is possible through the digital input Reset latch (see
inputs). Alternatively, a reset can also be carried out with the configuration software
(Monitor → Reset rotation). The indication of the rotational direction is reset to the
selected preferred rotational direction. See
information on the detection of rotational direction.
This parameter is grayed out if VR has been selected for parameter Sensor Input → Sensor
type.
Offset tracking
MHM-97442, Rev. 2.06
for the maximum measurement time. This measuring mode permits a more
t
: Time of one rotation
revolution
t
: Period time of the input signal
period
for further information.
Table 5-2
for the maximum measurement time
Period time
Arbitrary
>10 ms
≤10 ms
for further information on the detection of rotational
Detection of rotational direction
Configuration
February 2023
Table
Measurement time
1
≤2 x t
revolution
2
≤2 x t
period
≤20 ms
Pulse
Digital
for further
101
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