3 Installation
3.4 Electrical Installation
72 DC1 Frequency Inverter 10/12 MN04020003Z-EN www.eaton.com
3.4.2.2 Functions of control signal terminals
The functions that are set in the ex-factory and the electrical connection data
of all control signal terminals are listed in the following table.
Table 10: Factory-set functions of the control terminals
Terminal
Signal Description Default settings
1+24V Control voltage for DI1 - DI4,
output (+24 V)
Maximum load 100 mA,
Reference potential 0 V
–
2DI1
Digital input 1 8 - +30 V (High, R
i
>6kΩ) Start enable FWD
Note:
No function in DC1-1S…
(￫ P-15 = 0)
3DI2 Digital input 2 8 - +30 V (High, R
i
>6kΩ) Start enable REV
4DI3
AI2
Digital input 3
Analog input 2
• digital: 8 - 30 V (high)
• Analog: 0 - +10 V (R
i
> 72 kΩ)
0/4 - 20 mA (R
B
=500Ω)
Can be switched with parameter P-16
Fixed frequency FF1
5+10V
Reference voltage,
Output (+10 V)
Maximum load: 10 mA, minimum 1 kΩ
Reference potential: 0 V
–
6AI1
DI4
Analog input 1
Digital input 4
• Analog: 0 - +10 V (R
i
>72kΩ)
0/4 - 20 mA (R
B
=500Ω)
Can be switched with parameter P-16
• digital: 8 - 30 V (high)
Frequency reference value
(fixed frequency)
70V
Reference potential 0 V = connection terminal 9 –
8AO1
DO1
Analog output 1
Digital output 1
• Analog: 0 - +10 V, maximum 20 mA
Can be switched with parameter P-25
• digital: 0 - +24 V
Output Frequency
90V Reference potential 0 V = connection terminal 7 –
10 K13 Relay 1, normally open contact Maximum switching load:
250 V AC/6 A or 30 V DC/5 A
active=RUN
11 K14
Relay 1, normally open contact Maximum switching load:
250 V AC/6 A or 30 V DC/5 A
active=RUN
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