WEG CFW500 Serie Manual Del Usuario página 10

General Information
The frequency inverter CFW500 also has functions of PLC (Programmable Logic
Controller) by means of the SoftPLC (integrated) feature. For further details regarding
the programming of those functions, refer to the SoftPLC user's manual of the CFW500.
The main components of the CFW500 can be viewed in the block diagram of


R/L1/L
Power
S/L2/N
supply
T/L3
PE
HMI (remote)ƒ
PC
Software WLP
SUPERDRIVE
(*)
MODBUS
Digital Inputs
(DI1 to DI4) (*)
Analog Input
(AI1)
(*)
ƒ = Human-machine interface
(*) The number of analog/digital inputs/outputs, as well as other resources, may vary according to the plug-in module used. For
further information, refer to the guide supplied with the accessory or the CD-ROM.
(**) Not available in frame A.
4 | CFW500
= Bus connection CC
(**)
= Connection for brake resistor
(**)
Preload
Internal
RFI filter
(available in
the inverters
CFW500...C...)
Single-phase /
three-phase
rectifier
POWER
CONTROL
Supplies for electronics and interfaces
between power and control
HMIƒ
CONTROL
STANDARD PLUG-IN
RS-485
Interfaces
(RS 232,
RS485
or USB)
Figure 2.1: Block diagram of CFW500
 

BR DC-
DC+
Inverter with
insulated gate bipolar
transistors and
current feedback
Power Supply
CPU
EEPROM
32 bits
(memory)
"RISC"
User's
Plug-in
Card
Memory Card (MCard)
Accessory
- English -
figure 2.1.
U/T1
V/T2
Motor
W/T3
PE
(**)
Power supply 10 V
Power supply 24 V
Analog
output
(AO1) (*)
Digital output
DO1 (RL1)
Digital output
DO2 (TR) (*)