
10
n750 W type
nSpecifications
Item/Model PWX750LF PWX750MLF
Half rack size PWX750ML
AC input
Nominal input rating 100 Vac to 240 Vac, 50 Hz to 60 Hz, single phase
Input voltage range 85 Vac to 265 Vac
Input frequency range 47 Hz to 63 Hz
Current (MAX) *1
100 Vac 10.5 A
200 Vac 5.25 A
Inrush current (MAX) *2 70 Apeak or less
Power (MAX) *3 1100 VA
Power factor (TYP) *1 0.99 (input voltage 100 V), 0.97 (input voltage 200 V)
Efficiency (MIN) *1 74 % or more
Hold-up time for power
interruption (MIN) *3 20 ms or greater
*1. With rated load. *2. Excludes the charge current component that flows through the capacitor of the internal EMC
filter circuit immediately after the POWER switch is turned on (for approximately 1 ms). *3. 100 Vac with rated load.
Item/Model PWX750LF PWX750MLF
Half rack size PWX750ML
Output
Rating
Output voltage *1 30 V 80 V
Output current *1 75 A 28 A
Output power 750 W
Voltage
Setting range 0 V to 31.5 V 0 V to 84 V
Setting accuracy ± (0.05 % of set +0.05 % of rating)
Line regulation *2 ± 5 mV ± 10 mV
Load regulation *3 ± 5 mV ± 10 mV
Transient response *4 1 ms or less
Ripple noise *5 (p-p) *6 60 mV 80 mV
(rms) *7 8 mV
Rise time Rated load 100 ms
No load 100 ms
Fall time Rated load 100 ms
No load 450 ms
Maximum remote sensing
compensation voltage (single line) 1.5 V 4 V
Temperature coefficient (MAX) *8 100 ppm/°C (during external control)
Current
Setting range 0 A to 78.75 A 0 A to 29.4 A
Setting accuracy ±(0.5 % of set +0.1 % of rating)
Line regulation ± 9.5 mA ± 4.8 mA
Load regulation ± 20 mA ± 10.6 mA
Ripple noise *9 (rms) *7 150 mA 65 mA
Temperature coefficient (TYP) *8 100 ppm/°C
*1. The maximum output voltage and current are limited by the maximum output power. *2. 85 Vac to 135 Vac
or 170 Vac to 265 Vac, fixed load. *3. The amount of change that occurs when the load is changed from no load
to rated load (rated output power/rated output voltage) with rated output voltage. The value is measured at the
sensing point. *4. The amount of time required for the output voltage to return to a value within “rated output
voltage ± (0.1 % + 10 mV).” The load current fluctuation is 50 % to 100 % of the maximum current with the set
output voltage. *5. Measured using an RC-9131 1:1 probe that conforms to the JEITA specifications. At the rated
output current. *6. When the measurement frequency bandwidth is 10 Hz to 20 MHz. *7. When the measurement
frequency bandwidth is 5 Hz to 1 MHz. *8. When the ambient temperature is within 0 °C and 50 °C. *9. When the
output voltage (Rated Power ÷ Rated Current) is 10 % to 100 % of the rating. At the rated output current.
Display function
Voltage display Maximum display 99.99 (fixed decimal point)
Display accuracy ± (0.2 % of reading +5 digits)
Current display Maximum display 99.99 (fixed decimal point)
Display accuracy ± (0.5 % of reading +5 digits)
Power
display *1
The PWR DSPL key lights in red.
Maximum display 9999
Display accuracy Displays the result of multiplying the current and voltage
Operation display
OUTPUT ON/OFF, CV operation, CC operation,
Alarm operation, Remote operation (LAN operation),
Key lock operation, Preset memory
*1. Press PWR DSPL to display the power on the ammeter. Each time you press this key, the
display switches between power and current.
Protection functions
Overvoltage protection (OVP), Overvoltage protection 2 (OVP2), Overcurrent protection
(OCP), Undervoltage limit (UVL), Overheat protection (OHP), Overheat protection 2 (OHP2),
Fan failure protection (FAN), Incorrect sensing connection protection (SENSE), Low AC input
protection (AC-FAIL), Shutdown (SD), Power limit (POWER LIMIT)
Signal output
Monitor signal
output *1
Voltage monitor (VMON)
Selectable monitor voltage range: 0 V to 5 V or 0 V to 10 V
Setting accuracy 2.5 % of f.s.
Current monitor (IMON)
Selectable monitor voltage range: 0 V to 5 V or 0 V to 10 V
Setting accuracy 2.5 % of f.s.
Status signal
output *1*2
OUTON STATUS, CV STATUS, CC STATUS,
ALM STATUS, PWR ON STATUS
*1. J1 connector on the rear panel. *2. Photocoupler open collector output; maximum voltage 30
V, maximum current (sink) 8 mA; isolated from the output and control circuits; status commons are
floating (withstand voltage of less than or equal to 60 V); and status signals are not mutually isolated.
Control features
External
control
*1
Output voltage
control (VPGM)
0 % to 100 % of the rated output voltage
Selectable control voltage range: 0 V to 5 V or 0 V to 10 V
Accuracy 5 % of f.s.
Output current
control (IPGM)
0 % to 100 % of the rated output current
Selectable control voltage range: 0 V to 5 V or 0 V to 10 V
Accuracy 5 % of f.s.
Output on/off control
[OUTPUT ON/OFF CONT]
Possible logic selections: turn the output on using a low TTL
level signal or turn the output on using a high TTL level signal
Output shutdown control
[SHUT DOWN]
Turns the output off with a low TTL level signal
Alarm clear control
[ALM CLR] Clears alarms with a low TTL level signal
*1. J1 connector on the rear panel
Other features
Master-slave
parallel operation
Including the master unit, up to four units
(all the same model) can be connected.
Series operation Up to two units (all the same model) can be connected.
Preset memory
Up to three sets of the following settings can be saved: the set
voltage, the set current, the set OVP, the set OCP, and the set UVL.
Key lock Locks the operation of all keys other than the OUTPUT key.
Interface
Software protocol IEEE Std 488.2-1992
Command language
Complies with SCPI Specification 1999.0
Has a compatibility mode (switchable)
l Genesys Series made by TDK-Lambda
l N5700/N8700 made by Agilent Technologies
l PAG Series made by Kikusui
RS232C, USB, LAN USBTMC-USB488
,
LXI 1.3 Class C
*1. Option *2. Only on models that have the CE marking on the panel. Does not apply to specially
ordered or modified PWXs. *3. This is a Class I equipment. Be sure to ground this product’s protective
conductor terminal. The safety of this product is only guaranteed when the product is properly grounded.
*4. This is a Class A equipment. This product is intended for use in an industrial environment. This
product may cause interference if used in residential areas. Such use must be avoided unless the user
takes special measures to reduce electromagnetic emissions to prevent interference to the reception
of radio and television broadcasts. *5. This is a Group 1 equipment. This product does not generate
and/or use intentionally radio-frequency energy, in the form of electromagnetic radiation, inductive and/
or capacitive coupling, for the treatment of material or inspection/analysis purpose. *6. Dimensions for
PWX750ML: 214 W×43(55) H×437(490) Dmm/Approx. 5 kg *7. AC cable is option for PWX750ML.
Item/Model PWX750LF PWX750MLF
Half rack size PWX750ML
General
Environmental
conditions
Operating
environment Indoor use, overvoltage category II
Operating
temperature/
humidity
0 ℃ to +50 °C/
20 %rh to 85 %rh (no condensation)
Storage
temperature/
humidity
-10 °C to +60 °C (ML only -20 °C to +70 °C)/
90 %rh or less (no condensation)
Altitude Up to 2000 m
Cooling method Forced air cooling using fan
Grounding polarity Negative grounding or positive grounding possible
Isolation
voltage
± 250 Vmax
Isolated analog
interface *1 ± 60 Vmax
Withstand
voltage
Input-FG No abnormalities at 1500 Vac for 1 minute
Input-Output No abnormalities at 2000 Vac for 1 minute
Output-FG No abnormalities at 1500 Vdc (ML only 500 Vdc) for 1 minute
Input-Isolated
analog interface *1
No abnormalities at 2650 Vac for 1 minute
Output-Isolated
analog interface *1
No abnormalities at 2300 Vdc (ML only 500 Vdc) for 1 minute
Insulation
resistance
500 Vdc, 100 MΩ or more
Output-FG 500 Vdc, 40 MΩ or more
Safety
*2
Complies with the requirements of the following directive and standard.
Low Voltage Directive 2006/95/EC
EN 61010-1 (Class I *3, Pollution degree 2)
Electromagnetic
compatibility (EMC) *2
Complies with the requirements of the following directive and standard.
EMC Directive 2004/108/EC
EN 61326-1 (Class A *4), EN 55011 (Class A *4, Group 1 *5)
EN 61000-3-2, EN 61000-3-3
Applicable under the following conditions
The maximum length of all cabling and wiring connected to
the PWX series must be less than 3 m.
Dimensions (maximum)/Weight
485 W×43(44) H×500(580) Dmm/Approx. 8 kg
*6
Accessories
AC cable
*7
: 1 wire, Output terminal cover: 1 pc., Output terminal
M8 bolt set: M8 bolts ×2 sets(Bolt, nut, spring washer, and
washer for each bolt) *PWX750ML includes M6 bolt set, Chassis
connection wire: 1 wire, J1 connector plug kit: 1 set (Housing: 1
pc., Connector: 1 pc., Plug: 1 pc., Strain relief: 1 pc., Clips: 2 pcs.,
and two types of Screws: 2 pcs.,), Packing list: 1 copy, Quick
reference (1 each for English and Japanese), Safety precautions:
1 copy, China RoHS sheet: 1 copy, CD-ROM: 1 disc