NORD Drivesystems BU0180 - Manual (Page 58)

SK 180E Manual for frequency inverters
58 Pre-series version BU 0180 GB-0914
To separate the two potential levels, the jumper (at the start of the series terminal) must be plugged in
differently or pulled out entirely.
Control connection details
Terminal/
Designation
Function Data Description / wiring suggestion Parameter
44 24V 24V supply
24V DC ±25%
20 mA
Connection of the supply voltage
for the module and the reference
potential of the analog signals
112 AGND / 0V Reference potential
for analog signals
111 10V REF +10V
Reference voltage +10V, 5 mA
Connection of reference voltage
from frequency inverter
114 AIN1 Analog input 1
U= - 10 … +10 V, R
i
=2 MΩ
Resolution 10Bit
Signal IN Signal OUT
Terminal Value Terminal Value
114 -10V 117 +10V
114 +10V 117 0V
116 -10V 118 +10V
116 +10V 118 0V
The conversion of the analog
signals is inverted.
Assignment of the functions of the
analog input signals is made via
parameter P400[...] of the
frequency inverter.
116 AIN2 Analog input 2
117 AOUT1 Analog output 1
Resolution: 10Bit
Precision: 0.25 V
Load capacity with signal:
0…10 V: ≤ 10 mA
118 AOUT2 Analog output 2
Potential isolation
C1 DIN1 Digital input 1
Relay input:
Low: 0-5V (2.8kOhm)
High: 18-30V (1.6kOhm)
Reaction time max. 7ms
Assignment of the functions of the
analog output signals is made via
parameter P434[...] of the
frequency inverter.
C2 DIN2 Digital input 2
40 GND / 0V Reference potential
for digital signals
R14 R1 NO Relay 1.1
Normally closed
contact
Relay input:
Low: 0-5 V (2.8 kOhm)
High: 18-30 V (1.6 kOhm)
Reaction time max. 7 ms
Mechanical
lifetime:
1x10
8
(1 billion) OPS
(Operations)
Electrical:
3x10
5 (3 million) OPS
(Operations)
Relay (changeover) with function:
Closer: R11 / R14
Opener: R11 / R12
R12 R1 NC Relay 1.2
Normally opened
contact
R11 Relay 1.3
Common contact
R24 R2 NO Relay 2.1
Normally closed
contact
Relay (changeover) with function:
Closer: R21 / R24
Opener: R21 / R22
R22 R2 NC Relay 2.2
Normally opened
contact
R21 Relay 2.3
Common contact