NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
74
BU 0200 en-US-4920
With device variants
SK 2x0E
, a power supply unit is integrated and so no external 24 V DC voltage
supply is required. For
sizes 1-3
connection of an external power source (e.g. power supply unit
SK xU4-24V-…) is not provided. No connection terminals are provided for this purpose.
Size 4
has
appropriate terminals and allows the connection of an external voltage source (
section 0 "Control
The SK 2x5E does not have its own analog input. In order to be able to evaluate an analog signal with
this device variant (e.g. from a potentiometer), the analog signal can be converted into a pulse signal
using the power supply unit and made usable by an appropriate digital function of the device.
In order to process current setpoints
(0(4) - 20 mA) the accessories kit includes a
500
Ω
resistor which must be connected between
terminals 12 and 14. The relevant input on the
variable frequency drive is adjusted via
parameter P420.
Setpoint
Parameter [array]
Setting
0 … 20 mA
P420 [-02] or [-03]
{26}
4 … 20 mA
P420 [-02] or [-03]
{27}
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