123
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.
Summary of Contents for MSC
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