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2121331-04-04/19 (Translation of the original operating instructions)
Operating Instructions
Modular Safety Control System MSC
EN
9.3.3. Standstill monitoring (STAND STILL)
The standstill monitoring function block checks the speed of a device; the ZERO output is "1" (TRUE) if the speed is 0. If the
speed is not 0, the ZERO output is "0" (FALSE).
Figure 133: Standstill monitoring
Parameter
Axis type: Defines the type of axis that is monitored by the device. "Linear" if the movement is linear or "Rotational" if the
movement is rotary.
Sensor Type: If "Linear" is selected for the previous parameter, the sensor type connected to the inputs of the module is
defined here. This can be "Rotational" (e.g. encoder on a toothed rack) or "Linear" (e.g. optical linear sensor). This selection
defines the other parameters.
Measuring device: This option specifies the type of measuring devices/sensors used. The following can be selected:
Ì
Encoder
Ì
Proximity
Ì
E proximity
Ì
Proximity 1 + Proximity 2
Ì
Encoder 1 + Encoder 2
Pitch: If the axis type "Linear" and the sensor type "Rotational" are selected, this field becomes active. Enter here the distance
that is covered during one sensor revolution.
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