Advanced commissioning
7.2 Inverter control
Converter with control units CU250D-2
116 Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
Digital inputs
Changing the function of a digital input
Interconnect the status paramete
r of the digital input with a
binector input of your choice.
Binector inputs are marked with "BI" in the parameter list of
the List Manual.
Table 7- 1 Binector inputs (BI) of the inverter (selection)
Command data set selection CDS bit 0
Motorized potentiometer, setpoint, lower
Flying restart enable signal source
Unconditionally release holding brake
p0858 Unconditionally close holding brake p2112 External alarm 1
Fixed speed setpoint selection bit 0
Technology controller enable
p1021 Fixed speed setpoint selection bit 1 p3330 Two-wire/three-wire control, control
p1022 Fixed speed setpoint selection bit 2 p3331 Two-wire/three-wire control, control
p1023 Fixed speed setpoint selection bit 3 p3332 Two-wire/three-wire control, control
Motorized potentiometer, setpoint, raise
A complete list of the binector outputs is provided in the List Manual.
Changing the function of a digital input - example
In order to switch on the motor with digital input DI
2, you
have to connect the status parameter of DI
2 to p0840: Set
You can debounce the digital input signal using parameter p0724.
For more information, see the parameter list and the function block diagrams 2210 ff of the
List Manual.
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