WEG CFW700 User Manual - page 10

CFW700 | 5 

General Instructions

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lis

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Analog 

inputs 

AI1 and AI2

FLASH 

memory 

module 

(Slot 5)

Digital inputs 

DI1 to DI8

Control power supply and interfaces

between power and control

RS-485

PC

POWER 

CONTROL

Three-phase 

rectifier

C3 RFI filter 

(*)

(available in 

CFW700...C3... 

inverters)

Motor

U/T1

V/T2

W/T3

DC+

DC-

BR

Inverter 

with

IGBT 

transistors

Mains power 

supply

R/L1/L

S/L2/N

T/L3

 = DC bus connection

 = Braking resistor 

connection

Pre-

charge

WPS software

WLP software

DC

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 c

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es

DC

 li

nk

 c

ap

acit

or

 b

ank

B

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B

T (

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ai

la

b

le i

n 

C

FW

70

0.

..D

B

...

 in

ve

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s)

RFI filter

Keypad 

CC700

Control 

board 

with a 

32 bits 

"RISC" 

CPU

Analog 

outputs 

AO1 and AO2

Digital output 

DO1 (RL1)

Digital outputs

DO2 to DO5

Keypad 

 (remote)

Feedback: 

- voltage

- current

PE

PE

COMM 1

(Slot 3 - Green)

Accessories

= Keypad (HMI)

(*) The capacitor to the ground of the C3 RFI filter (it is possible to meet the 

requirements of category C2 with this filter on mechanics A models) must be 

disconnected for IT networks and grounded delta power supplies. Please 

refer to 

item 3.2.3.1 Input Connections on page 15

.

Figure 2.1: Block diagram for the CFW700