2
Assembly and installation
BU 0500 GB
Subject to technical alterations
37
Terminal
Function
[factory setting]
Data
Description / wiring suggestion
Parameter
Terminal block X5
For SK 5x5E
, external 24V supply
21
DIN1
digital input 1
[ON right]
P420
22
DIN2
digital input 2
[ON left]
P421
23
DIN3
digital input 3
[parameter set bit0]
P422
24
DIN4
digital input 4
[fixed frequency 1,
P429]
7.5...30V, R
i
=6.1k
Ω
P423
25
DIN5
digital input 5
[no function]
2.5...30V, R
i
=2.2k
Ω
,
only
this input is
suitable for evaluation of
the thermistor with 5V
Each digital input has a reaction time
of 1 – 2ms.
41
40
44
25
24
23
22
21
GND/0V
18...30V
motor - PTC
NOTE:
For the motor thermistor
(DIN5) P424 = 13 must be set.
P424
44
VI 24V
24V supply voltage
18…30V
at least 800mA
External voltage supply provided by
customer for the control unit of the
frequency inverter. Is essential for the
function of the frequency inverter.
Also for the connection of the digital
inputs or the supply of a 10-30V
incremental rotation encoder
40
GND /0V
Reference potential
for digital signals
0V digital
Reference potential
41
VO 5V
5V supply voltage
5V
±
20%
Voltage supply for motor-PTC