Manual setting is only possible if the adaptive behaviour, parameter Adaptive
behaviour M0147, is switched off.
Customer settings M0041
Positioner M0145
Outer dead band M0148
Default value: 1.0 %
Setting range: 0.1 – 10.0 %
8.4.5. Dead time: set
The dead time prevents the operation to a new setpoint position within a
pre-determined time.
Customer settings M0041
Positioner M0145
Dead time M0149
Default value: 3.0 s
Setting range: = 0.2 – 60.0 (seconds)
Information
Actuator controls ensure that the max. permissible number of starts of the actuator
is not exceeded.This can be achieved by setting the dead time to a sufficiently high
value.
8.4.6. Hysteresis for positioner: set
The hysteresis determines the switching accuracy. It can be used to reduce the
number of starts for example.
This setting can only be made if the adaptive behaviour, parameter Adaptive
behaviour M0147, is set to Adaptive I.
Customer settings M0041
Positioner M0145
Posit. hyst. OPEN M0598
Posit. hyst. CLOSE M0599
Default values: 0.5 % for OPEN and CLOSE
Setting range: 0.2 % to 5.0 % of travel (from OPEN to CLOSED)
8.4.7. Closing fully/opening fully (end position tolerance for setpoint)
If the end positions cannot be reached due to inaccurate analogue setpoint signals
(0/4 mA or 20 mA), a tolerance for the setpoint within the end position range can be
set. If the tolerance is exceeded or not reached, the actuator continues the operation
until the full end position has been reached.This ensures that the actuator opens
and closes fully.
Customer settings M0041
Positioner M0145
Tolerance CLOSE M0150
Tolerance OPEN M0151
Default values:
Tolerance CLOSE = 0.0 %
Tolerance OPEN = 100.0 %
Setting ranges: (in percent of the travel)
Tolerance CLOSE = 0.0 – 5.0 %
Tolerance OPEN = 95 – 100.0 %
8.4.8. Setting range: limit
Setting range can be limited in directions OPEN and/or CLOSE.
53
Actuator controls
AC 01.2/ACExC 01.2 Profinet Application functions
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