NORD Drivesystems BU0530 - Manual (Page 37)

3 Assembly and installation
BU 0530 GB-3712 37
Relevance
SK 500E SK 505E SK 510E SK 511E SK 515E SK 520E SK 530E SK 535E SK 540E SK 545E
√
Terminals X5: 21 22 23 24 39 38 44 40
DIN1 DIN2 DIN3 DIN4 TF- TF+ VI 24V GND / 0V Designation
Terminal Function
[factory setting]
Data Description / wiring suggestion Parameter
SK 540E
and above
21 Digital input 1
[ON right]
7.5...30V, R
i
=6.1k

Not suitable for
thermistor evaluation.
HTL encoders can
only be connected to
DIN2 and DIN4
Limiting frequencies:
max. 10 kHz
min. 15 Hz
Each digital input has a reaction
time of ≤ 5ms.
21
22
23
24
39
38
44
40
motor - PTC
GND / 0V
18 … 30V
P420 [-01]
22 Digital input 2
[ON left]
P420 [-02]
23 Digital input 3
[parameter set bit0]
P420 [-03]
24 Digital input 4
[Fixed frequency 1,
P429]
P420 [-04]
39 Thermistor input - potential isolated
thermistor input, which
cannot be disabled,
for monitoring the
motor temperature
with a PTC
38 Thermistor input +
44 24V supply voltage
input 18…30V
at least 800mA (input) Voltage supply for the FI control unit.
This is essential for the function of
the frequency inverter.
40 Reference potential
for digital signals
0V digital Reference potential