NORD Drivesystems BU0505 - Manual (Page 51)

2 Assembly and installation
BU 0505 GB-1013 51
Relevance
SK 540E SK 545E SK 510E SK 511E SK 515E SK 520E SK 530E SK 535E
√
Terminals X5: 21 22 23 24 25 / 39 41 / 38 44* 40 * Terminal 44:
up to Size 4: VI
Size 5 and
above: VO
DIN1 DIN2 DIN3 DIN4 DIN5 / TF- VO 5V / TF+ V…24V GND/0V
Name
Terminal Function
[factory setting]
Data Description / wiring suggestion Parameter
21 Digital input 1
[ON right]
7.5...30V, R
i
=6.1k
W
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.
Sizes 1 to 4
21
22
23
24
39
38
44
40
motor - PTC
GND / 0V
18 … 30V
Above size 5
21
22
23
24
25
41
44
40
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]
25 Digital input 5
[no function]
Available: above size 5 P420 [-05]
39 Thermistor input - available: Size 1 - 4
potential isolated
thermistor input, which
cannot be disabled, for
monitoring the motor
temperature with a PTC
38 Thermistor input +
41 5V output power
supply Available: above size 5
5V
± 10%
44 Size 1 to Size 4
VI 24V supply
voltage input
18…30V
at least 800mA (input)
Voltage supply for the FI control unit. Is
essential for the function of the
frequency inverter.
Size 5 and above
VO 24V supply
voltage output
24V ± 25%
max. 200mA (output)
Supply voltage provided by the
frequency inverter for connection to the
digital inputs or the supply of a 10-30V
encoder.
The 24V control voltage is generated by
the FI, however it can alternatively be
supplied via the terminals X12:44/40
(size 8 and above: X15:44/40). Supply
via terminal X5:44 is not possible.
40 Reference potential
for digital signals
0V digital Reference potential
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