Operating Instructions ACTIVE 06/07144
144 Operating Instructions ACTIVE 06/07
14.4.3 Error Acknowledgment
The frequency inverters feature various monitoring functions which can be adapted
via the error and warning behavior. Switching the frequency inverter off at the various
operating points should be avoided by an application-related parameterization. If
there is a fault switch-off, this message can be acknowledged via the parameter
Pro-
gram(ming)
34 or the logic signal connected with the parameter Error Acknowledg-
ment
103.
14.4.4 Timer
The time functions can be selected via the parameters
Operation Mode Timer 1 790
and
Operation Mode Timer 2 793. The sources of the logic signals are selected with
the parameters
Timer 1 83 and Timer 2 84 and processed according to the config-
ured timer functions.
14.4.5 Thermo-contact
The monitoring of the motor temperature is a part of the error and warning behavior
which can be configured as required. The parameter
Thermo contact 204 links the
digital input signal to the defined
Motor Temp. Operation Mode 570 which is de-
scribed in chapter "Motor Temperature". The temperature monitoring via a digital
input checks the input signal for the threshold value. Accordingly, a thermo contact or
an additional circuit must be used if a temperature-dependent resistor is used.
14.4.6 n-/M-Control Change-Over
The field-orientated control procedures in configurations 230 and 430 contain the
functions for speed or torque-dependent control of the drive. The change-over can be
done during running operation of the drive, as an additional functionality monitors the
transition between the two control procedures. The speed controller or the torque
controller is active, depending on the
n-/M Control Change-Over 164.
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