2.2.
Components characteristics and details
2.2.1.
Power supply unit electrical data
The main function of the power supply module is to directly convert (without a transformer) mains voltage to direct voltage,
which powers the various modules that operate the servo-system motors via busbars.
Fig 2.6 Power supply block diagram (power components)
Model
Type L50 (M)
Type L150 (L)
ELECTRICAL DATA
Mains voltage
Three-phase from 200 to 528 V AC 50/60 Hz
Auxiliary voltage
24 V DC +/-10%, 1 A (supplied externally)
Rated output current, DC BUS side
54 A
128 Arms
Peak output current, DC BUS side
130 A
256 Arms
DC-link voltage (Vout)
From 282 to 744 V DC
-
Protection
Communication
CANopen for sharing data with the drives
Cooling
Incorporated ventilation
MECHANICAL DATA
Weight
5.1 kg
13.5 kg
Height
455 mm (17.91 inches)
455 mm (17.91 inches)
Width
50 mm/1.97 inches
150 mm/5.91 inches
Depth
249 mm (9.80 inches)
249 mm (9.80 inches)
Tab 2.4 Power supply characteristics
FUNCTIONS
Soft-start circuit
Braking circuit
BUS cc voltage monitoring
Mains voltage presence and value monitoring
Power supply internal temperature monitoring
TO THE THREE-
PHASE NETWORK
R
S
T
SOFT START
RR
IGBT
CAPACITORS
PS MANAGEMENT
BUS READING
SOFT START
RR CONTROL
+AT Vbus
-AT Vbus
DR2020
MAR2-E-191
15
NTC and bi-metallic thermal protection on heat sink to 85°C
Identification of absense of input phase
Identification of insufficient voltage (undervoltage) or excessive voltage (overvoltage)