Digital Thyristor Unit
E-3
A. Recorder
B. Indicator
C. Converter
D. Controller
E. Thyristor
unit
F. Temp.
sensor
G. Pressure
transmitter
H. Temp.
transmitter
I. Thermometer
J. Pressure
gauge
K. Accessories
DPU
DPUS
■
Size type
1-phase
3-phase
Size
Current
capacity
W
H
D
P1
P2
Allowable cable
thickness
A
0 to 70 A
97 260
170
82
150
Max. 4
B
80 to 200 A
14
0
280
174
127
150
Max. 4/0
C
250 to 350 A 213
338
179
193
200
Max. 300MCM
D
400 to 600 A 278
418
212
261
200
Max. 500MCM
Size
Current
capacity
W
H
D
P1
P2
Allowable cable
thickness
A
0 to 50A
140
306
200
127
150
Max. 4
B
70 to 200A
213
365
217
195
200
Max. 4/0
C
250 to 350A
278
450
227.5 261
200
Max. 300MCM
D
400 to 600A
427
528
275.5 405
330
Max. 500MCM
(unit: mm)
(unit: mm)
(unit:
AWG)
(unit:
AWG)
※
1. Variable cycle control is only for 1-phase model.
※
Environment resistance is rated at no freezing or condensation.
Series
DPU
Number of phases
1-phase
3-phase
Power supply
110 VAC / 220 VAC / 380 VAC / 440 VAC (FAN and control power 220 VAC 50/60 Hz separately)
Allowable voltage
90 to 110% of rated voltage
85 to 115% of rated voltage
Rated frequency
50/60 Hz (auto recognition), allowable frequency range:±2 Hz
Min. load current
1 A
Output range
Phase control : 5 to 98%, Z.C. control : 0 to 100%
Control method
※
1
• Phase control : Normal control(Non-Feedback), static voltage/static current/static power control(Feedback)
• Cycle control(Z.C.) : Fixed cycle control, Variable cycle control
• ON/OFF control(Z.C.)
Load
• Phase control : resistance load, inductive load
• ON/OFF, Cycle control : resistance load
Power consumption
Max. 7 W (except FAN operation power)
Max. 10 W (except FAN operation power)
Display method
• Display value and SV display : 7Segment 4digit
• Status display : 4LED
• Display value percentage display : 11LED Bar
• Display value and SV display : 7Segment 4digit
• Status display : 6LED
• Display value percentage display : 11LED Bar
Output accuracy
• Static voltage feedback control : Within ±3% F.S. of rated voltage(within variable ±10% F.S. of rated voltage)
• Static current feedback control : Within ±3% F.S. of rated voltage(within variable 1 to 10 times of rated resistance)
• Static power feedback control : Within ±3% F.S. of rated voltage(within variable ±10% F.S. of rated voltage and within
variable 1 to 10 times of rated resistance)
• Normal control : within ±10% F.S. of rated voltage
Set method
By front keys, By communication
Control input
• Auto: 4-20 mA / 0-20 mA / 0-5 VDC / 1-5 VDC / 0-10 VDC /
voltage pulse(0/12 VDC) / no-voltage input(ON/OFF) / communication input(RS485)
• Manual: inside 10 k
Ω
VR, outside 3 to 10 k
Ω
VR (min. 2 W)
Digital input(DI)
AUTO/MAN switching, RUN/STOP switching, RESET, Output holding, SP setting (SP1 to 6)
Display content
Control input, load voltage, load current, load power, load resistance, power supply frequency
Min. display output
Min. 2.5% of rated voltage/current
Option output
RS485 communication output(Modbus RTU method), [max. 32 units]
Dielectric strength
2000 VAC 50/60 Hz for 1 min.(between input terminal and power terminal)
Vibration
0.75 mm amplitude at frequency of 5 to 55 Hz (for 1 min.) in each of X, Y, Z directions for 2 hours
Insulation resistance
Min. 200 M
Ω
(at 500VDC megger)
Noise resistance
Square shaped noise by noise simulator (pulse width 1
㎲
) ±2 kV
Environ-
ment
Ambient
temperature
10 to 50
℃
, storage : 20 to 80
℃
Ambient
humidity
5 to 90%RH
Approval
Unit weight
• A Size : 3.0 kg
• B Size : 5.5 kg
• C Size : 11.0 kg
• D Size : 17.5 kg
• A Size : 6.5 kg
• B Size : 11.5 kg
• C Size : 20.0 kg
• D Size : 35.5 kg
Speci
fi
cations
