Terminal block x5 – digital in – NORD Drivesystems BU0505 User Manual
Page 50
SK 54xE – Users Manual for Frequency Inverters
50
BU 0505 GB-1013
Terminal block X5 – Digital In
Relevance
SK 540E
SK 545E
√
Terminals X5:
21
22
23
24
39
38
42
40
DIN1
DIN2
DIN3
DIN4
TF-
TF+
VO 15V
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.
Connection with internal 15V:
21
22
23
24
39
38
42
40
motor - PTC
15V
Connection with external 7,5-30V:
21
22
23
24
39
38
42
40
motor - PTC
GND / 0V
7.5 … 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 +
42
15V output power
supply
15V
± 20%
Supply voltage provided by the
frequency inverter for connection to the
digital inputs or the supply of a 10-30V
encoder.
40
Reference potential
for digital signals
0V digital
Reference potential