WEG CFW501 V1.8X Programming Manual page 36

About the CFW501
Power
supply
3
HMI
(remote)
PC
Software WLP
SUPERDRIVE
MODBUS
Digital inputs
(DI1 to DI4)
Analog input
(AI1 and AI2)
(*) The number of inputs and outputs (analog and digital) may vary according to the used plug-in module. For further information,
refer to the installation, configuration and operation guide of the accessory with plug-in module used.
(**) Not available in mechanics A.
3-2 | CFW501
 = DC link connection
 = Braking resistor connection
R/L1/L
S/L2/N Internal
RFI filter
T/L3
Single-phase
/ three-phase
rectifier
PE
POWER
CONTROL
Power supplies for electronics and interfaces
ƒ
ƒ
HMI
CONTROL
PLUG-IN RS-485
RS-485
Interface
(*) RS-485
(*)
(*)
= Human-machine interface
ƒ
Figure 3.1: CFW501 block diagram
  
DC+ BR DC-
Pré-
carga
DC-Inverter
with IGBT
transistors
and current
feedback
feedback
between power and control
CPU
EEPROM
32 bits
(memory)
"RISC"
User's
plug-in
card
Memory card (MMF)
Accessory
U/T1
V/T2
Motor
W/T3
PE
Voltage
(**)
Supply 10 V
Supply 24 V
Analog output
(AO1)
(*)
Digital output
DO1 (RL1) and
DO3 (RL2)
Digital output
DO2 (TR)
(*)