SPI9000 Inverter Unit FI9 – FI14 User Manual

September 2006

When the inverter is delivered from the factory, the control unit usually includes two basic boards (I/O board and relay board), which are normally installed in slots A and B. On the next pages you will find the arrangement of the control I/O and the relay terminals of the two basic boards, the general wiring diagram and the control signal descriptions. The I/O boards mounted at the factory are indicated in the type code. For more information on the option boards, see the option board user manual.

The control board can be powered externally (+24V) by connecting the external power source to bidirectional terminal #6 (see Figure 4-5). This voltage is sufficient for parameter setting and for keeping the fieldbus active.

Note: If the +24V input of several inverters are connected in parallel, we recommend to use a diode in terminal #6 to avoid the current flowing in opposite direction, which might damage the control board.

+

#6

#7

+

#6

#7

+

#6

#7

+

#6

#7

External

+24V

Figure 4-3: Inverters Connected in Parallel

Control Wiring Details

The basic control connections for boards A2 and A3 are shown in Figures 4-6and 4-7.

You can find the signal descriptions for applications in the application manual.

1

11

21

21

2

12

22

22

3

13

23

23

4

14

24

25

5

15

6

16

25

26

7

17

26

2

 

18

 

8

8

 

29

9

19

 

 

10

20

OPT-A2

OPT-A3

 

 

Board OPT-A9 in Slot A

Boards OPT-A2 and OPT-A3 in Slot B

Figure 4-4: I/O Terminals of the Two Basic Boards

4-2

For more information visit: www.EatonElectrical.com

MN04004002E

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Eaton Electrical SPI9000 user manual Control Wiring Details, Inverters Connected in Parallel

SPI9000 specifications

The Eaton Electrical SPI9000 is a cutting-edge power management system designed to enhance efficiency and reliability in electrical distribution. This state-of-the-art solution integrates advanced technologies to optimize performance, making it an ideal choice for various industrial and commercial applications.

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In summary, the Eaton Electrical SPI9000 is a versatile and efficient power management solution that brings together scalability, intelligent monitoring, advanced communication capabilities, enhanced safety features, and energy efficiency. Thanks to its innovative technologies and characteristics, the SPI9000 serves as an indispensable tool for modern businesses seeking to streamline their electrical operations and enhance their energy management strategies.