4 Operational
4.6 Help cards
134
DC1…20… and DC1…OE1 Variable Frequency Drives
02/20 MN040059EN
www.eaton.com
Table 27: Control connections with default settings (help card)
Table 28: Default settings for basic parameters (help card)
Control signal
terminal
Signal
Description
1
+24 V
Control Voltage
Output voltage
2
DI1
Digital Input 1
FWD = clockwise rotating field enable
(U
V
W)
3
DI2
Digital input 2
REV = anticlockwise rotating field enable
(W
V
U)
4
DI3
Digital Input 3
FF1 = Switch from analog setpoint AI1 (control
signal terminal 6) to fixed frequency value f-Fix1 in
parameter P-20 (15 Hz)
5
+10V
Reference voltage
Output voltage
6
AI1
Analog Input 1
Reference voltage: 0 - 10 V = 0 - 50 Hz (Rotating
field frequency)
7
0 V
Reference potential
for +24 V and + 10 V, 0 V = Control signal terminal
9
8
AO
Analog output
Frequency actual value: 0 - 50 Hz = 0 - 10 V (output
voltage)
9
0 V
Reference potential
for +24 V and + 10 V, 0 V = Control signal terminal
7
10
relay
Contact N/O
RUN = Run signal (operating signal); closed when
there is an enable signal at DI1 or DI2.
11
￫
When the active enable signal (FWD or REV) is switched off, the
motor will coast to a stop with the default settings.
Mode
parameter
Designation
Unit
Description
P-01
f-
max
f-max
Hz
Maximum output frequency; can be set to any
value between f-min (P-02) and the motor’s rated
frequency (P-09); maximum setting: 5 x P-09
P-02
f-
min
Min Frequency
Hz
Minimum output frequency, can be set to any
value between 0 and f-max (P-01)
P-03
acc
t-acc
s
Acceleration time from stop to rated frequency
(P-09).
P-07
U
Motor
Motor Nom
Voltage
V
Defined rated motor voltage at rated frequency
(P-09) = Mains voltage (U
LN
)
P-08
I
Motor
Motor Nom
Current
A
Rated operational current for the DC1 variable
frequency drive. The motor protection function
can be adjusted to match the motor being used by
setting this parameter to the rated motor current
(see example below).
P-09
f
Motor
Motor Nom
Frequency
f
Rated motor frequency (50 Hz) at the rated motor
voltage (P-07)
P-11
V-
Boost
V-Boost
%
Voltage is used to increase the applied motor
voltage at low output frequency, in order to
improve low speed and starting torque.
