3 Installation
3.6 Block diagrams
DB1 variable frequency drive
11/20 MN040031EN
Eaton.com
75
3.6.2 DB1-1M…
Mains voltage U
LN
: single-phase, 110 (-20 %) - 230 (+10 %) V, 50/60 Hz
Motor voltage U
2
: three-phase, 230 V, 0 - 50/60 Hz (max. 500 Hz)
Figure 45: Block diagram DB1-1M…
3 AC 230 V
W
V
U
M
3 ~
PES
2
DI1
FWD
+24 V
3
DI2
REV
4
DI3
(AI2)
f-fix1
5
+10 V Out
< 10 mA
+10 V
6
AI1
(DI4)
REF
7
0 V
1
+24 V Out
< 100 mA
8
AO
(DO)
0...+10 V, < 20 mA
f-Out
+
9
0 V
RUN
6 A, 250 V AC
5 A, 30 V DC
RS485
CPU
0...+10 V
Modbus RTU
CANopen
OP-Bus
X1
10
11
Modbus
L1/L L2/N
1 AC 110 - 230 V
50/60 Hz
PFC
