Kikusui DC Power Supply PWX Series

Features Kikusui DC Power Supply PWX Series

1U Multi Range Programmable DC Power Supply

Ideal for N-to-M network-based remote control and monitoring. A Next-Generation Rack-Mounted Power Supply

The PWX series is a CVCC programmable regulatedDC power supply designed to optimize for a rackmountedpower supply. To increase its mountingefficiency, it has a 19-inch rack width with a thinshape and intakes and outtakes for cooling ononly the front and back surfaces so that it can bemounted flush top and bottom.The series is equipped standard with USB, RS232C,and LAN interfaces, which are essential for systemupgrades.

The series also has a virtual multichannelbus (VMCB) function that allows it to beused efficiently for remote control and monitoringwith 1-to-N and as well as with N-to-M in largescalenetworks.

In particular, the LAN interfaceis LXI compliant*, enabling you to control andmonitor the power supply easily from a browser ona PC, smartphone, or tablet. You can also managethe power supply in a different building.Two output power specifications are available:750 W and 1500 W, and a wide range of voltageand current settings can be combined within itsoutput power rating (3 times).

For example, theoutput power of 1500 W model, the PWX1500MLis capable to operate seamlessly from the range of“80 V-18.75 A” to “26.8 V-56 A”. The input voltagehas a universal 85 V to 265 V input voltage range,and the unit also has an internal power factorcorrection (PFC) circuit to control the harmoniccurrent. It also includes an analog external control/monitoring output, master-slave parallel operationfunction, various protective functions, and memoryfunction.

Kategori: DC Power Supply, Kikusui

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Features Kikusui DC Power Supply PWX Series

Ideal for N-to-M network-based remote control and monitoring. A Next-Generation Rack-Mounted Power Supply

The series also has a virtual multichannelbus (VMCB) function that allows it to beused efficiently for remote control and monitoringwith 1-to-N and as well as with N-to-M in largescalenetworks.

Equipped with standard LAN interface and VMCB (Virtual Multi-Channel Bus) function

to support network-based remote control and monitoring

The PWX series is equipped with LAN, USB, and RS232C interfacesas standard features. By using the feature of virtual multi-channelbus (VMCB)*1, it allows you to control remotely and monitoringfor 1-to-N as well as N-to-M for large-scale networks.

In particular,the LAN interface is LXI compliant, enabling you to easily controland monitor the power supply through a browser on a PC, smartphone,or tablet by accessing the web server built into the PWXseries.

Additionally, the optional application software, Wavy forPWX (SD013-PWX), sequence creation and control software,allows you to change settings for specific channels (in individual)on VMCB-connected PWX series power supplies, and lets youperform batch control using global commands*2. You can alsoturn the output ON and OFF on multiple units and adjust theoutput voltage and current.

*1: This function for the PWX750ML applies to the firmware version 2.0 and later. *2: This is only enabled for “Direct control” on Wavy for PWX. Global commands that can be also used under control with VXI-11, HiSLIP, and SCPI-RAW.

Basic configuration with LAN interface and VMCB (example)
As shown in the figure below, it is possible to connect a PC and the PWX series with a hub to create a virtual group using a LAN connection. A maximum of 255 virtual groups can be set, and the maximum number of units can be configured up to 31 units per group. A group can have a mixture of models.

configuration	IP address	domain number	channel number
master machine	192.168.1.1	1	0
Slave unit	192.168.1.2* (*)	1	1
Slave unit	192.168.1.3* (*)	1	2

Automatic setting by DHCP server is also acceptable.

Communication Monitoring function :

This function monitors the communication status. For example, the alarm will be activated and the output will be turned off when the LAN cable is disconnected and the communication is not being confirmed within the specified time of setting. This function protects the operation from the uncontrolled condition, and it improves the system reliability. *Applies to the firmware Ver.2.2X or above

Communication Monitoring function :

Security for LAN connectionsAccess to the built-in web server can be restricted with a password. Also, when using VXI-11, HiSLIP, and SCPI-RAW for control, host restrictions can be set with the IP address. It is possible to prevent access from any terminal other than the ones registered as a host (up to 4 hosts can be registered).

LAN Interface

The LAN interface can control the number of devices with high speed, and it’s theoretical controllable maximum number is to be calculated by approximately 4.2 billion. (The maximum transmission speed varies by the number of connected devices) In accordance with its applied standard, it is possible to combine the device that is to control or to be controlled, it is also the feature that can be used with various applications. Also, in computers installed with Apple Bonjour, it is possible to access with a host name instead of the IP address. AUTO MDIX function:The PWX series can automatically identify the type of LAN cable whether straight or cross is connected and it connects using the appropriate method.

LAN Interface

USB Interface

The USB interface has a feature of high versatility, and the ease of a setup. The automatic recognition by the plug and play releases a user from the complex setting operation under the digital control, and it can be suitable interface when control by 1:1. In accordance with the standard, the maximum number of the connected devices can be configured up to 127 units. Moreover, the USB interface of the PWX series complies to USB2.0, and it has realized transmission speed of a maximum of 12 Mbps (es) (Full Speed).

USB Interface

Easy access with embedded web server

Use a browser from a PC, smartphone, or tablet to access the web server built into the PWX series for convenient control and monitoring.

Easy access with embedded web server

Application Software

The software that supports to the auto testing of the power supply. Allows you to create and edit sequence data easily using a mouse !

SD013-PWX (Wavy for PWX) is an application software that supports sequence creation and the operation for Kikusui power supplies and electronic loads. Wavy allows you to create and edit sequences visually with a mouse without programming knowledge. It enables you to control the power supply in much the same way as remote controller for such monitoring the voltage and current, logging and so on.

Wavy for PWX

RS232C Interface

The PWX series is also equipped with a RS232C connector. It can be used for communication with PCs and sequencers. Since the PWX series has a RJ45 connector, it is required for a separate D-sub 9PRJ45 adapter cable (RD-8P/9P).

Easy access with the built-in web server

Emulation setting
Command language setting function

Emulate devices from companies around the world!

The command language and the emulation which are used at the time of remote control can be set. When the emulation setting is selected, the digital remote control is possible as a substitute of other manufacturer’s device. Furthermore, the RS232C interface corresponds to other products by setting the command language into a LGCy language.

Operating Range

3 times output power rating

A wide range of voltage and current settings can be combined within its output power rating (3 times). For example, the output power of 1500 W model, the PWX1500ML is capable to operate seamlessly from the range of “80 V-18.75 A” to “26.8 V-56 A”.

3 times output power rating

Model Type	Rated voltage range	Example of Output rating voltage	750W		1500W
L (LF)	10V to 30V	10V	75A to 25A	75A	150A to 50A	150A
		12.5V		60A		120A
		15V		50A		100A
		20V		37.5A		75A
		30V		25A		50A
ML (MLF)	26.8V to 80V	26.8V	28A to 9.37A	28A	56A to 18.75A	56A
		30V		25A		50A
		35V		21.4A		42.8A
		40V		18.75A		37.5A
		45V		16.66A		33.33A
		60V		12.5A		25A
		80V		9.375A		18.75A
MH (MHF)	75V to 230V	75V	10A to 3.26A	10A	20A to 6.52A	20A
		80V		9.375A		18.75A
		100V		7.5A		15A
		150V		5A		10A
		200V		3.75A		7.5A
		230V		3.26A		6.52A
H (HF)	214.2V to 650V	214.2V	3.5A to 1.153A	3.5A	7A to 2.307A	7A
		300V		2.5A		5A
		400V		1.875A		3.75A
		500V		1.5A		three a (baseball)
		600V		1.25A		2.5A
		650V		1.153A		2.307A

Space Comparison

This product replaces multiple single-range units!

Comparison of PWR1600L and PWX1500L

Extending the capacity

Series operation

You can connect up to two units in series. The total of the output voltages of the two units is applied to the load. The voltage setting accuracy is the same as the accuracy of an individual unit.
*You cannot perform master-slave configuration in series operation. *Excluding the PWX750HF and the PWX1500H.

Practical convenient functions are equipped as standard features.

Bleeder on/off function

The capacitor is connected to the output terminal of the PWX series, and the bleeder circuit is equipped to discharge the electric charge when the OUTPUT is OFF. For example, when the battery is connected to the output terminal, even if it is in the state of OUTPUT OFF, when the bleeder circuit is set to ON, the bleeder circuit will discharge electric charges of the battery. In this case, excessive electric discharge can be prevented by setting the bleeder circuit to OFF state. It is possible to omit the diode for reverse current prevention required for the charge of such a battery.

Rise state setting when output is on

You can set for the priority operation mode (CC (constant current) priority/CV (constant voltage) ) when the output is turned ON. It prevents the overshooting when the output is turned ON.

Preset memory function

The preset memory function allows you to save up to three combination of each preset value of voltage, current, OVP, OCP, and UVL. The saved preset value can be called from the preset memory on the front panel.

Master-slave parallel operation

In master-slave parallel operation, one unit is the master unit, and all other units connected in parallel are slave units. The master and slave units must all be the same model. You can control the whole system by operating the master. You can use master-slave parallel operation to increase the output current (maximum output current: the rated output current of one unit × the number of units connected in parallel). You can connect up to four units, including the master, in parallel. The dif ference in the output voltage and output current between the master unit and the slave u n i t s i s w i t h i n approximately 5 % of the rating.

Master-slave parallel operation

Analog Interface

The PWX series is equipped with external voltage/resistance control, which are interfaces necessary for analog external control and monitoring applications for test power supply devices. The input external signal and the output status signal can be conducted through the J1 connector on the rear panel.

The optional isolated analog interface can be installed upon request at the time of an order. You can use a signal that is isolated from the reference potential of the PWX to control the output voltage/ current, turning output on/off, and output shut down control using an external contact, and output voltage/current monitoring. This option can be selected from the voltage control type (0 V to 5 V or 0 V to 10 V) or the current control type (4 mA to 20 mA).

Front Panel

Rear Panel

Solution for the Environment, New Energy FieldVariable Internal Resistance Feature*Factory option

Variable Internal Resistance Feature

The variable internal resistance feature enables you to easily simulate the internal resistance of rechargeable batteries, solar batteries, fuel cells, and the like. By setting the internal resistance value in constant voltage (CV) mode, you can decrease the output voltage according to the output current. You can use a CONFIG setting to set the internal resistance.

Variable range

Rint : Internal resistance
0 <Rint ≦ Rint (max)

	PWX750LF	PWX750MLF	PWX750MHF	PWX750HF	PWX1500L	PWX1500ML	PWX1500MH	PWX1500H
Rint (min) [Ω]	0.0001 *1	0.001	0.01	0.1	0.0001	0.001	0.01	0.1
Rint (max) [Ω]	0.4000 *1	2.857	23.00	185.7	0.2000 *1	1.429	11.50	92.9
Resolution [Ω]	0.0001 *1	0.001	0.01	0.1	0.0001 *1	0.001	0.01	0.1

*1 When the value is set from the front panel, the least significant digit is not shown on the panel display. The value varies at a higher resolution than what is hown, and the least significant digit is rounded and shown in the next higher digit.

The maximum internal resistance that can be set from the front panel during parallel operation is the value obtained by dividing Rint (max) during standalone operation by the number of units in parallel operation. The resolution is the value obtained by dividing the resolution during standalone operation by the number of units in parallel operation.

Specifications