KIKUSUI PMX-Multi Series | Denkei Corporation Americas

Compact Multi-Output DC Power Supply

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The Kikusui PMX-Multi Series is a compact, multi-output DC power supply available in 2, 3, or 4-channel models with isolated outputs.

Each channel offers high-resolution settings (1 mV/0.1 mA), tracking control, and flexible ON/OFF delay.

Simple series/parallel connections expand test versatility. Equipped with LAN (LXI compliant), USB, and RS232C interfaces, it supports seamless integration into automated systems.
With robust protections, key lock, preset memories, and a high-visibility LCD, the PMX-Multi Series delivers precision, safety, and efficiency for advanced R&D and production testing.

Compact Multi-Output DC Power Supply

Model:

PMX-Multi Series

Maker:

KIKUSUI

Features

Three models with 2, 3 and 4 outputs
Each output is isolated
High setting resolution (Voltage: 1 mV, Current: 0.1 mA)
Tracking control in all channels
Simultaneous display of all channel statuses
ON/OFF delay of each output
Simple series/parallel connection between channels (CH1 CH2)
LAN (LXI Compliant)/USB/RS232C standard interface
Turning output on and off using an external contact
Remote sensing function
Key lock, 3-point preset memory function
High quality LCD panel for improved visibility
CE/UKCA is only for 234V input voltage type.

Specifications

AC input

Model	PMX32-3DU	PMX32-3TR	PMX32-2QU
Nominal input rating	217 Vac *1, 50 Hz/ 60 Hz, single phase
Input voltage range	± 10 ％
Input frequency range	47 Hz to 63 Hz
Inrush current *2	150 A
Power (MAX)	700 VA	900 VA	800 VA

* 1. 100 Vac, 117 Vac, 200 Vac, and 234 Vac are factory options. * 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).

Output

Model			PMX32-3DU	PMX32-3TR	PMX32-2QU
Rating	Output voltage	CH1	32.000 V	32.000 V	32.000 V
		CH2	32.000 V	32.000 V	32.000 V
		CH3	–	6.000 V	18.000 V
		CH4	–	–	18.000 V
	Output current	CH1	3.000 A	3.000 A	2.000 A
		CH2	3.000 A	3.000 A	2.000 A
		CH3	–	5.000 A	2.500 A
		CH4	–	–	2.500 A
Constant voltage	Maximum voltage setting	CH1	33.600 V	33.600 V	33.600 V
		CH2	33.600 V	33.600 V	33.600 V
		CH3	–	6.300 V	18.900 V
		CH4	–	–	18.900 V
	Setting resolution		1 mV
	Voltage setting accuracy *1		±（0.03 % set +5 mV）
	Input line regulation *2	CH1	3 mV	3 mV	3 mV
		CH2	3 mV	3 mV	3 mV
		CH3	–	1 mV	1 mV
		CH4	–	–	1 mV
	Load regulation *3	CH1	4 mV	4 mV	2 mV
		CH2	4 mV	4 mV	2 mV
		CH3	–	5 mV	3 mV
		CH4	–	–	3 mV
	Transient response *4		50 μs
	Ripple noise (rms) *5		500 μV
	Command delay		80 ms
	Rise time (at rated load) *6		10 ms ± 30 %
	Fall time (at no load) *7	CH1	350 ms ± 30 %	350 ms ± 30 %	350 ms ± 30 %
		CH2	350 ms ± 30 %	350 ms ± 30 %	350 ms ± 30 %
		CH3	–	220 ms ± 30 %	240 ms ± 30 %
		CH4	–	–	240 ms ± 30 %
	Temperature coefficient (TYP)		100 ppm/℃
Constant current	Maximum current setting	CH1	3.150 A	3.150 A	2.100 A
		CH2	3.150 A	3.150 A	2.100 A
		CH3	–	5.250 A	2.625 A
		CH4	–	–	2.625 A
	Setting resolution		0.1 mA
	Current setting accuracy *1		±（0.3 % set + 0.1 % rating)
	Input line regulation *2		0.01 % + 0.25 mA
	Load regulation *8		5 mA
	Ripple noise (rms) *5	CH1	1 mA	1 mA	1 mA
		CH2	1 mA	1 mA	1 mA
		CH3	–	2 mA	1 mA
		CH4	–	–	1 mA
	Temperature coefficient (TYP)		200 ppm/℃

* 1. At an ambient temperature of 23 °C ±5 °C. * 2. 90% to 100% or 100% to 110% of the nominal input voltage rating, rated load. * 3. The amount of change that occurs when the load is changed from no load to rated load at the 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 ± (0.05% + 10 mV).” When the load current is changed from 10% to 100% of the rated output current. The value is measured at the sensing point. * 5. When the measurement frequency bandwidth is 5 Hz to 1 MHz. * 6. The time for the output voltage to rise from 10% to 90% of the rating when the output is turned on. * 7. The time for the output voltage to fall from 90% to 10% of the rating when the output is turned off. * 8. The amount of current change when the load is changed from 10% of the rated voltage or 1 V, whichever is higher, to the rated voltage at rated output current.

Display function

Model			PMX32-3DU	PMX32-3TR	PMX32-2QU
Voltmeter	Maximum display		99.999 (fixed decimal point)
	Display accuracy *1		±（0.1 % of reading +10 mV）
Ammeter	Maximum display		9.999 (fixed decimal point)
	Display accuracy *1		±（0.2 % of reading +5 mA）
Operation display	OUTPUT ON/OFF		Output on: “ON” display (green) Output off: “OFF” display
	Output-on delay/ off delay		Displays “DELAY SET” when set. “DELAY” blinks during output-on delay/ off delay. “DELAY” is displayed after the output-on delay/off delay has passed.
	CV operation		“CV” display (green)
	CC operation		“CC” display (red)
	Alarm operation		Displays “ALARM” (red) when a protection function is activated.
	Memory		Displays “PRESET A,” “PRESET B,” or “PRESET C” when a memory area is in use.
	key lock		Displays “LOCK” when the keys are locked.
	Tracking		Displays “TRACKING 1” or “TRACKING 2” when tracking is in operation.
	Remote operation		Displays “REMOTE” during remote control.
		LAN operation	Displays or blinks “LAN” (depending on the status). No fault status: Lights green. Fault status: red. Standby status: Blinks red. WEB identify status: Blinks green.

*1. At an ambient temperature of 23 °C±5 °C.

Protection functions

Model		PMX32-3DU	PMX32-3TR	PMX32-2QU
Overvoltage protection （OVP）	Operation	Turns the output off, displays “OVP,” and displays “ALARM” (red).
	Selectable range	10% to 110% of the rated output voltage
	Setting accuracy	±(1 % of rating)
	Setting resolution	1 mV
Overcurrent protection (OCP)	Action *1	Turns the output off, displays “OCP,” and displays “ALARM” (red).
	Selectable range	10% to 110% of the rated output current
	Setting accuracy	±(1 % of rating)
	Setting resolution	0.1 mA
Overheat protection （OHP）	Operation	Turns the output off, displays “OHP,” and displays “ALARM” (red).

*1. This does not protect against the discharge current peak that is generated from the capacitors inside the product’s output section when the load is changed suddenly.

Signal output

Model		PMX32-3DU	PMX32-3TR	PMX32-2QU
Status Signal output *1	OUTPUT ON STATUS	On when output is on.
	ALARM STATUS	On when an alarm is activated (OVP, OCP, OHP).
	POWER ON STATUS	Turns on when the power is turned on

*1. This does not protect against the discharge current peak that is generated from the capacitors inside the product’s output section when the load is changed suddenly.

Control functions

Model

PMX32-3DU

PMX32-3TR

PMX32-2QU

External control

Output on/off control (OUTPUT ON/OFF CONT)

Logic selectable:

Negative logic
Output on when set to LOW (0 V to 0.5 V) or shorted; output off when set to HIGH (4.5 V or 5 V) or open
Positive logic
Output on when set to HIGH (4.5 V to 5 V) or open; output off when set to LOW (0 V or 0.5 V) or shorted

Sensing

Model	PMX32-3DU	PMX32-3TR	PMX32-2QU
Sensing	0.6 V for a single line (but the output terminals are controlled at the rated voltage)

Parallel operation / Series operation

Parallel operation

Model		PMX32-3DU	PMX32-3TR	PMX32-2QU
Applicable channels		Master: CH2, slave: CH1
Constant voltage	Operating range	0 V to 32 V
	Selectable range	0 V to 33.6 V
	Setting accuracy *1	0.3 % set + 0.1 % rating
	Setting resolution	1 mV
Constant current	Operating range	0 A to 6 A		0 A to 4 A
	Selectable range	0 A to 6.3 A		0 A to 4.2 A
	Setting accuracy *1	0.4 % set + 0.1 % rating
	Setting resolution	0.2 mA
Voltmeter	Maximum display	99.999 (fixed decimal point)
	Display accuracy *1	±（0.5 % of reading + 10 digit）
Ammeter	Maximum display	9.999 (fixed decimal point)
	Display accuracy *1	±（1 % of reading + 10 digit）

*1. At an ambient temperature of 23 °C±5 °C.

Series operation

Model		PMX32-3DU	PMX32-3TR	PMX32-2QU
Applicable channels		Master: CH2, slave: CH1
Constant voltage	Operating range	0 V to 64 V
	Selectable range	0 V to 67.2 V
	Setting accuracy 1 2	0.3 % set + 0.1 % rating
	Setting resolution	2 mV
Constant current	Operating range	0 A to 3 A		0 A to 2 A
	Selectable range	0 A to 3.15 A		0 A to 2.1 A
	Setting accuracy *1	0.4 % set + 0.1 % rating
	Setting resolution	0.1 mA
Voltmeter	Maximum display	99.999 (fixed decimal point)
Voltmeter	Display accuracy *1	±（0.5 % of reading + 20 digit）
Ammeter	Maximum display	9.999 (fixed decimal point)
Ammeter	Display accuracy *1	±（1 % of reading + 5 digit）

* 1 At an ambient temperature of 23 °C ±5 °C. * 2 The value is measured at the sensing point.

Other functions

Item			PMX32-3DU	PMX32-3TR
Output-on/ off delay	Applicable channels		All channels
	Setup		Set the output on/off delay time.
	Selectable range		0.0 s to 99.9 s
	Setting resolution		0.1 s
	Setting accuracy*1		±50 ms
Memory			Saves three combinations of voltage, current, OVP, OCP, and output-on delay/ off delay settings.
key lock			Select from the following three modes. • Loc1: Lock all keys except the OUTPUT and memory A, B, and C keys. • Loc2: Lock all keys except the OUTPUT key. • Loc3: Lock all keys and the rotary knob.
Tracking	Applicable channels		All channels
	Operation mode	Tracking function 1 *2	Absolute value change
	Operation mode	Tracking function 2 *3	Percentage change
	Setting accuracy	CV setting accuracy	0.4 % of rating + 40 mV
	Setting accuracy	CC setting accuracy	0.7 % of rating + 10 mA

* 1 The difference between the time from when the reference output reaches 5% of the setting to when the target output reaches 5% of the setting and the delay time setting.

* 2 In tracking function 1, the output can be varied within the output range of the reference channel voltage or current.
* 3 In tracking function 2, the output can be varied at the same percentage as the reference output in reference to the output at the start of the tracking function.

Interface

Model		PMX32-3DU	PMX32-3TR	PMX32-2QU
Common specifications	Software protocol	IEEE Std 488.2-1992
Common specifications	Command language	Complies with SCPI Specification 1990.0
RS232C	Hardware	Complies with the EIA232D specifications (excluding the terminal block) D-sub 9-pin terminal block (male) Baudrate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps Data length: 8 bits, Stop bits: 1 bit, Parity bit: None Flow control: No
RS232C	Program message terminator	LF during reception, LF during transmission.
USB	Hardware	Standard type B socket. Complies with the USB 2.0 specifications; data rate: 12 Mbps (full speed)
	Program message terminator	LF or EOM during reception, LF + EOM during transmission.
	Device class	Complies with the USBTMC-USB488 device class specifications.
LAN	Hardware	IEEE 802.3 100Base-TX/10Base-T Ethernet IPv4, RJ-45 terminal block
	Compliant standards	LXI Device Specification 2016 LXI HiSLIP Extended Function Rev. 1.0 LXI VXI-11 Extended Function Rev. 1.0
	Communication protocol	VXI-11, HiSLIP, SCPI-RAW, SCPI-Telnet
	Message terminator	VXI-11, HiSLIP: LF or END during reception, LF + END during transmission. SCPI-RAW: LF during reception, LF during transmission.

General specifications

Model		PMX32-3DU	PMX32-3TR	PMX32-2QU
Weight (main unit only)		Approx. 13 kg (28.66 lb)
Dimensions (mm(inches))		214(8.46)W×124(4.88)(MAX155(6.10))H×400(15.75)(MAX435(17.13))D
Environmental conditions	Operating temperature range	0 °C to 40 °C (32 °F to 104 °F)
	Operating humidity range	20 %rh to 85 %rh (no condensation)
	Storage temperature range	-25°C to 70°C (-13°F to 158°F)
	Storage humidity range	90 %rh or less (no condensation)
	Installation location	Indoor use, altitude of up to 2000 m, overvoltage category II
Isolation voltage	Between channel	±70 Vdc
Isolation voltage	Between the output and chassis	±70 Vdc
Withstanding voltage	Between the primary circuit and chassis	No abnormalities at 1500 Vac for 1 minute.
	Between the primary and secondary circuits	No abnormalities at 2600 Vac for 1 minute.
	Between the secondary circuit and chassis	No abnormalities at 1500 Vdc for 1 minute.
Insulation resistance	Between the primary circuit and chassis	500 Vdc, 30 MΩ or more
	Between the primary and secondary circuits
	Between the secondary circuit and chassis
	Between channel
Cooling system		Forced air cooling using a fan motor
Common		All channels are independent. The withstanding voltage between channels is ±70 V.
Grounding polarity		Negative grounding or positive grounding possible
Accessories		Power cord: 1 pc. (The attached power cord varies depending on the shipment destination.) Output terminal cover set: 1 set, CD-ROM: 1 disc, Packing list: 1 copy, Safety Information: 1 copy
Electromagnetic compatibility (EMC) 1 2		Conforms to the requirements of the directive and standard below. EMC Directive 2014/30/EU EN61326-1 (Class A 3), EN 55011(Class A 3, Group 1 *4) EN 61000-3-2, EN 61000-3-3 Applicable under the following conditions The maximum length of all cabling and wiring connected to the PMX-A must be less than 3 m.
Safety *1		Conforms to the requirements of the directive and standard below. Low Voltage Directive 2014/35/EU 2 EN 61010-1 (Class I 5 , Pollution Degree 2 *6)

*1 Does not apply to specially ordered or modified products.
*2 Only on models that have the CE marking on the panel.
*3 This product confirms to Class A. 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.
*4 This is a Group 1 instrument. This product does not generate and/or use intentionally radiofrequency energy, in the form of electromagnetic radiation, inductive and/or capacitive coupling, for the treatment of material or inspection/analysis purpose.
*5 This product confirms to Class I. Be sure to ground the protective conductor terminal of this product. If not grounded properly, safety is not guaranteed.
*6 Pollution is addition of foreign matter (solid, liquid or gaseous) that may produce a reduction of dielectric strength or surface resistivity. Pollution Degree 2 assumes that only nonconductive pollution will occur except for an occasional temporary conductivity caused by condensation.

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