3 Installation
3.4 Electrical Installation
DC1 Frequency Inverter 10/12 MN04020003Z-EN www.eaton.com 73
The DC1 frequency inverter has four control inputs (control signal terminals
2, 3, 4, and 6). Two of these are permanently set as digital control inputs;
while the others can be set to work as digital or analog control inputs.
The frequency inverter comes with the following default setting:
• Control signal terminal 2 as digital input 1 (DI1),
• Control signal terminal 3 as digital input 2 (DI2),
• Control signal terminal 4 as digital input 3 (DI3),
• Control signal terminal 6 as analog input 1 (AI1).
Control signal terminal 8 can be used as a digital or as an analog output. It is
used as an analog output (AO) in the default configuration that comes with
the frequency inverter when it is delivered.
Figure 46: Control signal terminals (digital / analog)
2
DI1
FWD
24 V
3
DI2
REV
4
DI3
(AI2)
FF1
6
AI1
(DI4)
f-Soll
1
+24 V Out
< 100 mA
8
AO
(DO)
f-Out
CPU
0...+10 V/20 mA
0...+10 V/20 mA
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