Additional functions
Limit values (single-channel modules only)
194 A0534-30.0 HBM: public MGCplus
8.2 Limit values (single-channel modules only)
To assess dimensional or weight tolerances, or when monitoring forces,
pressures etc., it is often necessary to comply with specific setpoint or limit
values. Four limit switches are available for this in each amplifier module
(they are turned off in the factory settings).
You can assign the level, hysteresis and its direction for limit value
monitoring. The hysteresis value prevents the limit switch from "flickering"
when the switching threshold is reached.
The respective switching status is indicated by an LED on the front panel of
the amplifier module if the STATUS display mode has been enabled.
Note the following point when working with limit values:
S The measurement signal must be present for at least 1ms. The
measuring voltage returned by the amplifier is compared internally with
the reference voltage. If the measuring voltage reaches or exceeds the
set reference voltage, the relevant logic output switches and the
corresponding LED indicates the switching status.
Display of
limit value
states
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