XMPI0MTIRPD2ST021 17/24 Ed. 2021
S009 - ADJUSTMENT OF LINE Q (FLOW RATE) 40÷50 - By modifying this parameter it is possible to change the
values of the flow rate as a function of frequency for the range of the Q line from 61%÷80%.
S0010 - ADJUSTMENT OF LINE Q (FLOW RATE) 50÷60 - By modifying this parameter it is possible to change the
values of the flow rate as a function of frequency for the range of the Q line from 81%÷100%.
S015 – S016 – BEHAVIOUR IN CASE OF ERROR ON INPUTS 3 AND 4 – Allows you to choose what to make the
system do if an error occurs on one of the two inputs. With RESTART the system will restart automatically once
normal operation is restored, with STOP the system will remain stationary until manually restarted.
S017 – ERROR FOR LACK OF SENSOR – If enabled, the system will enter an error if it detects a missing sensor
(input signal). If disabled, the system continues to function correctly even without the presence of the latter.
S021 - COUNTER MODE – Allows you to choose how the system displays the count: as a countdown from the
set parameter to zero, or as a pure count, starting from zero and arriving at the set parameter.
S024 - ACCELERATION RAMP - Time taken to accelerate from 0 to 50 Hz. The total acceleration time of the
motor will depend on the speed jump being made (e.g. if the maximum frequency set is 100 Hz, the value "5"
set in this parameter will result in an acceleration time of 10 seconds when going from 0 to 100Hz). The
following formula is useful for calculating ramps:
𝑥 =
𝑡
∗
𝑓
∗
∙ 50
Caution: Excessively short ramps may result in tripping of the overcurrent protection during acceleration and
overvoltage protection during deceleration.
Below 1.00 s, it varies in steps of 0.05 s.
S025 - DECELERATION RAMP - Time taken to decelerate from 50 to 0 Hz. The same principle applies as for
acceleration.
S099 – RESET DEFAULT VALUES – S099 = 43 resets the values of the set-up parameters to their default values
shown in the table above.
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