GW-INSTEK PSB-2800L User guide

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Multi-Range DC Power Supply

PSB-2000 series

User Manual

GW INSTEK PART NO. 82SB-28H00EB1

ISO-9001 CERTIFIED MANUFACTURER

This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will company.

The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the rights to change specification, equipment, and maintenance procedures at any time without notice.

Good Will Instrument Co., Ltd. No. 7-1, Jhongsing Rd., Tucheng Dist., New Taipei City 236, Taiwan.

Table of Contents

SAFETY INSTRUCTIONS .................................................. 3

GETTING STARTED .......................................................... 7

PSB 2000 Series Overview ................................ 8

Appearance .................................................... 15

OPERATION .................................................................. 32

Connecting the AC Power Cable ...................... 32

Connecting the Load to the Output Terminals 32 Operation Ranges (PSB-2400L, 2800L, 2400L2,

2800LS) .......................................................... 41

Operation Ranges (PSB-2400H, 2800H) ......... 42

Various Settings ............................................. 43

Menu Key Functions ....................................... 50

Voltage Sense ................................................. 74

External Control Functions ............................. 76

Using the Sequence Function ......................... 86

OTHER FUNCTIONS ...................................................... 89

Display in Alarm Status .................................. 89

Frame Link Controlled Parallel Operation

(excluding PSB-2400L2) .................................. 91

Frame Link Controlled Series Operation

(excluding PSB-2400L2, PSB-H series) ........... 93

Power Extension using PSB-2800LS (Parallel

Connection Only) ........................................... 94

Using the PSB-007 Extension kits ................... 95

EXTERNAL CONTROL .................................................... 99

Remote Control .............................................. 99

Interface Connectors .................................... 100

PSB-2000 Series User Manual

PSB-001 Specifications (optional) ................ 100

PSB-002 Specifications (standard) ................ 101

Connection Methods .................................... 102

Connection Cables ........................................ 104

Address Setting ............................................ 105

Using the Interface Boards ........................... 108

Communication Commands ......................... 111

Registers ...................................................... 133

APPENDIX .................................................................... 143

Trouble Shooting .......................................... 143

Maintenance ................................................. 145

Dimensions .................................................. 147

PSB-2000L Series Specifications ................... 150

PSB-2000H Series Specifications .................. 158

EC Declaration of Conformity ....................... 163

SAFETY INSTRUCTIONS

WARNING

Warning: Identifies conditions or practices that could result in injury or loss of life.

CAUTION

Caution: Identifies conditions or practices that could result in damage to the PSB or to other properties.

DANGER High Voltage

Attention Refer to the Manual

Protective Conductor Terminal

Earth (ground) Terminal

Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collection facility or contact the supplier from which this instrument was purchased.

SAFETY INSTRUCTIONS

This chapter contains important safety instructions that you must follow during operation and storage. Read the following before any operation to insure your safety and to keep the instrument in the best possible condition.

Safety Symbols

These symbols may appear in the manual or on the instrument.

PSB-2000 Series User Manual

General Guideline

CAUTION

 Do not place any heavy object on the unit.  Avoid severe impact or rough handling that

leads to damaging the unit.

 Do not discharge static electricity to the unit.  Do not block the cooling fan opening.  Do not perform measurements on circuits that

are directly connected to mains power.

 Do not disassemble the PSB unless you are

qualified.

(Measurement categories) EN 61010-1:2010 specifies the measurement categories and their requirements as follows. The PSB-2000 doesn’t fall under category II, III or IV.

 Measurement category IV is for measurement performed at the

source of low-voltage installation.

 Measurement category III is for measurement performed in the

building installation.

 Measurement category II is for measurement performed on the

circuits directly connected to the low voltage installation.

 O is for measurements performed on circuits not directly

connected to Mains.

Power Supply

WARNING

 AC Input voltage range: 100Vac to 240Vac,

1300VA Max

 Frequency: 50Hz/60Hz  To avoid electrical shock connect the protective

grounding conductor of the AC power cord to an earth ground.

Safety Guidelines

SAFETY INSTRUCTIONS

Cleaning the power supply

 Disconnect the power cord before cleaning the

oscilloscope.

 Use a soft cloth dampened in a solution of mild

detergent and water. Do not spray any liquid into the oscilloscope.

 Do not use chemicals containing harsh products

such as benzene, toluene, xylene, and acetone.

Operation Environment

 Location: Indoor, no direct sunlight, dust free,

almost non-conductive pollution (Note below)

 Relative Humidity: 30% to 80% (no dew or

condensation)

 Altitude: < 2000m  Temperature: 0°C to 40°C

(Pollution Degree) EN 61010-1:2010 specifies pollution degrees and their requirements as follows. The PSB falls under degree 2.

Pollution refers to “addition of foreign matter, solid, liquid, or

gaseous (ionized gases), that may produce a reduction of dielectric strength or surface resistivity”.

 Pollution degree 1: No pollution or only dry, non-conductive

pollution occurs. The pollution has no influence.

 Pollution degree 2: Normally only non-conductive pollution

occurs. Occasionally, however, a temporary conductivity caused by condensation must be expected.

 Pollution degree 3: Conductive pollution occurs, or dry, non-

conductive pollution occurs which becomes conductive due to condensation which is expected. In such conditions, equipment is normally protected against exposure to direct sunlight, precipitation, and full wind pressure, but neither temperature nor humidity is controlled.

Storage environment

 Location: Indoor  Relative Humidity: 30% to 70% (no dew or

conensation)

 Temperature: -20°C to 70°C

PSB-2000 Series User Manual

Green/ Yellow:

Earth

Blue:

Neutral

Brown:

Live (Phase)

Power cord for the United Kingdom

When using the power supply in the United Kingdom, make sure the power cord meets the following safety instructions.

NOTE: This lead/appliance must only be wired by competent persons

WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code:

As the colours of the wires in main leads may not correspond with the coloured marking identified in your plug/appliance, proceed as follows:

The wire which is coloured Green & Yellow must be connected to the Earth terminal marked with either the letter E, the earth symbol or coloured

Green/Green & Yellow.

The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black.

The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red.

If in doubt, consult the instructions provided with the equipment or contact the supplier.

This cable/appliance should be protected by a suitably rated and approved HBC mains fuse: refer to the rating information on the equipment and/or user instructions for details. As a guide, a cable of 0.75mm2 should be protected by a 3A or 5A fuse. Larger conductors would normally require 13A types, depending on the connection method used.

Any exposed wiring from a cable, plug or connection that is engaged in a live socket is extremely hazardous. If a cable or plug is deemed hazardous, turn off the mains power and remove the cable, any fuses and fuse assemblies. All hazardous wiring must be immediately destroyed and replaced in accordance to the above standard.

GETTING STARTED

The PSB series are variable output, highperformance, regulated, switching DC power supplies. They incorporate a high-frequency current suppression circuit and accept input voltages rated from AC100V to 240V without the need to switch inputs. The offer a wide voltage and current range within their maximum rated power envelope. They also have a variable constant power function. They have standard features such as voltage and current settings, an output on/off switch, monitor outputs and other functions via external connectors. The chasis is smaller overall than traditional power supplies to reduce the total work area. The dual channel model and the booster unit extend the series to cover a wider range of applications. The PSB series are also able to execute sequence programs that are written using the optional interface boards.

The optional interface boards also allow you to control the PSB series remotely from a PC using GPIB, RS232C or USB.

PSB-2000 Series User Manual

Product name

Voltage range

Current range

Power range

PSB-2400H

0V to 800V

0A to 3A

0W to 400W

PSB-2800H

0V to 800V

0A to 6A

0W to 800W

PSB-2400L

0V to 80V

0A to 40A

10W to 400W

PSB-2800L

0V to 80V

0A to 80A

10W to 800W

PSB-2400L2 (Dual channel type)

0V to 80V ×2CH

0A to 40A ×2CH

10W to 400W ×2CH

PSB-2800LS (Booster unit)

0V to 80V

0A to 80A

10W to 800W

Product name

PSB-2400L

(CE)

PSB-2800L

(CE)

PSB-2400L2

(CE)

PSB-2800LS

(CE)

PSB-2400H

(Non-CE)

PSB-2800H

(Non-CE)

PSB 2000 Series Overview

Series line up

CE Mark

GETTING STARTED

■ 400W Type

PSB-2400L

■ 800W Type

PSB-2800L

■ 400W×2-Channel Type 　 PSB-2400L2

■ 800W Type

Booster unit

PSB-2800LS

■ 400W Type

PSB-2400H

■ 800W Type

PSB-2800H

PSB-2000 Series User Manual

Multi-Range Output

Capable of a wide-range of voltage and current settings within the rated power envelope.

Constant-Power Control

Provides constant-power (CP) control in addition to constant-voltage (CV) and constant-current (CC) controls.

Power Factor Correction Circuit

A built-in power factor correction circuit ensures compatibility to a wide AC input voltage range from AC100V to 240V without the need to use a switch. It also suppresses harmonic current.

Rotatable Front Panel Controls

The front panel can be rotated by 90 degrees to allow the unit to be operated horizontally or vertically.

Output Off Timer Function

Turns the output off automatically after a preset amount of time has elapsed. This can be used to prevent the output from being left on inadvertently or to prevent over-charging.

Sequence (SEQ) Function

The Sequence function executes data read from a PC through one of the optional interface boards (PSB001 and PSB-002). There are two operation modes for the sequence function: Manual mode (for step by step execution) and automatic mode (for automatic execution of up to 99 steps and 999 cycles).

Protective Functions

The power supplies have a number of protection functions. OVP, OCP and OHP. OVP and OCP protection can be set on the front panel.

Preset Functions (Three Settings)

Pressing a preset key directly selects a preset setting, which is set in advance.

Main Features

GETTING STARTED

Single Unit Control of Parallel/Series Operation

The PSB-L series uses a single power supply unit (acting as the master unit) to control all connected slave units for series or parallel operation. In parallel, up to 4 units can be controlled (including the master) to increase the total power. In series, a maximum of 2 units (including the master) can be used.

External Control Function

The external control function allows external voltage and restistance-based control, voltage and current monitoring, output on/off control, alarm output and CV/CC status output.

Interface Boards

There are two optional interface boards for remote control.

 PSB-001: GPIB and local bus board.

 PSB-002: RS-232C, USB and local bus board.

Note also that one of these options must be used to program sequences for the PSB-L series. See page 86 for further details.

Dual Channel Model (PSB-2400L2)

Equipped with two 400W output channels for a wide variety of applications.

Delay (DLY) Function: (PSB-2400L2 Only)

The delay function introduces a switching delay between channel 1 and 2. The delay function can set a rising delay (the time to turn on) and a falling delay (the time to turn off).

Tracking Function: (PSB-2400L2 Only)

The channel 2 setting is made equal to that of channel 1 when the tracking function is activated. Thereafter, both channels change synchronously.

PSB-2000 Series User Manual

Model Number

Description

PSB-001

GPIB Control Board. Includes GRJ-1101 modular cables. For further details, see page 100.

PSB-002

RS-232C/USB Control Board. Includes GRJ-1101 modular cables. For further details, see page 101.

PSB-003

Parallel Connection Kit for Horizontal Installation.

Kit includes: PSB-007 Joint kit, Horizontal bus bar x2, PSB-005 x1.

PSB-007 Joint Kit

Horizontal Bus Bar

PSB-005

PSB-004

Parallel Connection Kit for Vertical Installation.

Kit includes: PSB-007 Joint kit, Verical bus bar x2, PSB005 x1.

PSB-007 Joint Kit

Accessories

GETTING STARTED

Vertical Bus Bar

PSB-005 PSB-005

Parallel Connection Signal Cable

PSB-006

Serial Connection Signal Cable

PSB-007

Joint Kit:

Includes 4 joining plates, 4X M3x6 screws, 2X M3x8 screws.

PSB-008

RS-232C Cable

GRJ-1101

Modular Cables: 500mm 6P6C RJ11 (local bus cables)

PSB-2000 Series User Manual

Model Number

Description

User Manual CD x 1

AC power cable x 1

Screws for output terminals on rear panel

Protection covers for output terminals on rear panel

Protection caps for output terminals on the front panel

External control connector (26-pin)

GND cable

Standard Accessories

GETTING STARTED

2 3 4 14 15 16 17 18 19 20 21 22

POWER

CHECK

ENTER

REMOTE

FAST

LOCK

Hi -

V A

SEQUENCE

PRESET

321

FAST/LOCK(3s)

/LOCAL

OUTPUT

OFF TIMER

DISP

ESCMENU

CC CP

A W

Multi- Range DC Power Supply

DELAY

CH 2

CH 1

DISP

CH 1

( L Type ONLY)

CH A

MAX 400W MAX DC 80V MAX DC 40A

CH B

PSB-2400L2

ON / OFF

1 5 6 7 8 9 10 11 12 13

Appearance

Front Panel (PSB-2400L2 shown)

PSB-2000 Series User Manual

1 5 6 7 8 9 10 11 12 13

2 3 4 14 15 16 17 18 19 20 21 22

POWER

CAUTION

MAX 400W

MAX DC 800V

MAX DC 3A

PSB - 2400 H

CHECK

ENTER

REMOTE

FAST

LOCK

Hi -

V A

SEQUENCE

PRESET

321

FAST/LOCK(3s)

/LOCAL

OUTPUT

OFF TIMER

DISP

ESCMENU

CC CP

(

L Type ONLY

)

Regulated DC Power Supply

ON / OFF

PSB-2800LS

Multi-Range DC Power Supply

2 1

Front Panel (PSB-2400H shown)

Front Panel (PSB-2800LS)

GETTING STARTED

Item

Description

Front grill

This is a ventilation grill for for cooling the internal circuits. It is detachable and has a dust filter inside. Clean the filter periodically. See page

143.

Rubber feet

Detachable. If the unit is mounted in a rack and the feet are not needed, they may be removed.

POWER ON/OFF switch

Depress the switch to the (I) position to turn on the power supply unit. Press it again to turn off the unit.

Front output terminals

Output is supplied through these terminals. The maximum current is 3A(2400H) or 6A(2800H), 40A(2400L, 2400L2), 80A(2800L, 2800LS). The 40A/80A models use screw-type terminals. The 3A/6A models use European-type jack terminals.

PSB-2000 Series User Manual

PSB-2400L, PSB-2800L PSB-2400H, PSB-2800H

PSB- 2400L2

Type

Description

Address no., Step no., cycle no., Menu no.

Normal operation

Sequence operation

Tracking

Not displayed.

Number of steps or cycles is displayed.

Menu No. is displayed.

“Ab” is

displayed.

Channel LEDs

The LED of the selected channel is lit. Both LEDs are lit when the tracking function is activated.

Current LED (7-segment)

Normal operation

Sequence operation

Alarm

Current or power is displayed.

Step No. is displayed.

Set item is displayed.

OVP, OCP, HARD or OHP is displayed.

The “W” LED on the right of the 7-segment LED is lit in the power display state.

Panel Operation Unit

GETTING STARTED

Voltage LED (7-segment)

Normal operation

Sequence operation

Alarm

Voltage or power is displayed.

Cycle No. is displayed.

Set parameter is displayed.

OVP, OCP, HARD or OHP is displayed.

The “W” LED on the right of the 7-segment LED is lit in the power display state.

Function LEDs

These LEDs display the On/Off state of the OFF

TIMER, DELAY or HiΩ functions. The LED is lit

green when the corresponding function is activated.

ESC/DISP key (ESC /

DISP)

Changes the channel display, sequence operation display (i.e., step No. and cycle No.), remaining time for the off-timer and other displays. When the menu is displayed, pressing it exits the function selection mode and returns to the normal mode.

OUTPUT key (red) ( OUTPUT )

This key turns on or off the output. The LED is lit when the output is turned on.

CH1 and CH2 keys (red, green, orange) ( CH1 , CH2 )

These keys turn on or off the channel outputs. The color of the corresponding LED indicates the output mode.

Green: CV mode.

Red: CC mode.

Orange: CP mode.

The CH1 and CH2 keys are only available for the PSB-2400L2 only. The PSB-2400L and PSB-2800L have single LEDs only.

PSB-2000 Series User Manual

Rotary encoder

Used to select the functions and change the values.

V key (green) ( V )

Used for setting the voltage. Press the key and rotate the encoder to change the set value. If the A key is pressed while holding the V key, both LEDs are lit and the Current LED enters the power display mode.

A key (green) ( A )

Used for setting the current. Press the key and rotate the encoder to change the set value. If the V key is pressed while holding the A key, both LEDs are lit and the Voltage LED enters the power display mode.

PRESET 1 key (green) (PRESET 1 )

Reads out data stored in PRESET 1. Serves as a start/pause key ( ) in the sequence mode.

PRESET 2 key (green) (PRESET 2 )

Reads out data stored in PRESET 2. Serves as a

back key ( ) to a skip to previous step number in the sequence mode.

PRESET 3 key (green) (PRESET 3 )

Reads out data stored in PRESET 3. Serves as a

forward key ( ) to skip to the next step number in the sequence mode.

MENU key (MENU )

Used for setting and selecting various functions.

GETTING STARTED

ENTER/ CHECK Key (ENTER /

CHECK)

Alternates the operation (and display) between the output value and the set value. When the output is on, every press of the ENTER /

CHECK key alternates the display between the

output value and set value. ・ When the V key is lit  The voltage setting is

enabled.

・ When the A key is lit  The current setting is

enabled.

・ When the V and A keys are lit  the power

setting is enabled.

When the menu is displayed, press this key to validate functions and values in the menu.

FAST/LOCK (3s)/LOCAL key(FAST )

Changes the resolution of the voltage, current or power settings, locks panel operation, or switches the remote mode into the local mode. The color of the LED indicates the current status. FAST (green): The setting resolution is 1V, 1A or 100W. LOCK (3s) (red): Operations on the front panel are disabled. REMOTE (orange): Lit during communication through the optional interface boards.

ROTATE key

The operating panel of the PSB-2000 series can be rotated 90 degrees so that the unit can be used in the horizontal or vertical position. Hold the encoder and rotate the panel operation unit while holding the key.

PSB-2000 Series User Manual

PSB-002

LOCAL BUS

I I IUSB

EXT CONT

▲

△

AC INPUT

2 26

CH 2

CH 1

MADE IN TAIWAN

～100V-240V 50Hz / 60Hz

650 VA MAX

MAX 400W MAX DC 80V MAX DC 40A

OUTPUT

MAX 400W MAX DC 80V MAX DC 40A

OUTPUT

23 24 25 26 27 28 29 30 31

EXT CONT

▲

△

AC INPUT

2 26

CH 1

MADE IN TAIWAN

PSB-001

LOCAL BUS GP-IB

～100V-240V 50Hz / 60Hz 650 VA MAX

MAX 400W MAX DC 80V MAX DC 40A

OUTPUT

23 24 25 26 27 28 29 30 31

Rear Panel (PSB-2400L2)

Rear Panel (PSB-2400L/PSB-2800L)

GETTING STARTED

23 24 25 26 27 28 29 30 31

PSB-002

LOCAL BUS

I I IUSB

EXT CONT

J1 J2

AC INPUT

△

MADE IN TAIWAN

OUTPUT

MAX DC 3A

MAX DC 800V

MAX 400W

+　 +S

CAUTION

-S 　 -

△

AC INPUT

CH 1

MADE IN TAIWAN

～100V-240V

50Hz / 60Hz

650 VA MAX

MAX 400W MAX DC 80V MAX DC 40A

OUTPUT

26 27 28 29 30 31

Rear Panel (PSB-2800H)

Rear Panel (PSB-2800LS)

PSB-2000 Series User Manual

Description

Optional Interface board slot

The optional interface board slot is used to install the optional PSB-001 board for the GPIB interface.

The product is supplied with the USB/RS-232C option as standard.

J3 external control connector

The external control connector is used to control or monitor a number of different parameters using external components. The pin assignment of this connector can be found on page 26(40A models) 30(3A/6A models).

Sensing terminals

The sensing terminals are used to change the sensing point. These terminals are short-circuited before shipment to select internal sensing.

Rear output terminals

The Output of the PSB-2000 series power supply unit is also output through these terminals. The type of rear panel output terminal varies depending on the model. The PSB-2400H and PSB-2800H use pin terminals and the PSB-L models use crimp style voltages designed to accommodate higher current.

For the PSB-2400L2 (dual channel model), the channel 1 terminal block is in the upper part (CH1) and the channel 2 terminal block is in the lower part (CH2) of the rear panel when the unit is viewed from the back. On each terminal block, the positive (＋) terminal is on the left and the negative (－) terminal is on the right when the unit is viewed from the back. Connect either output terminal to the screw marked with the ground signal if it needs to be grounded with the chassis.

GETTING STARTED

J1 control signal input connector

This connector is used for parallel and serial control for master/slave operation. The optional frame link cables must be used with this connector.

J2 control signal output connector

This connector is used for parallel and serial control for master/slave operation. The optional framelink cables must be used with this connector.

Exhaust Grill

Air taken into the unit from the front is blown out through this grill. Leave a gap of a least 30cm or more behind the rear panel for good ventilation. If there is an object obstructing the rear panel, the temperature inside the power supply unit may rise excessively.

30 Functional

ground terminal

The unit can be grounded using this terminal

AC INPUT

Connect the AC power cable supplied with the unit with this plug receptacle and supply AC power to the unit.

PSB-2000 Series User Manual

Pin No.

Signal name

Function

CH2 STATUS COM (COM for 2, 3 & 4)

COM for pins 2, 3 and 4.

CH2 ALARM OUT

Open collector output. When the alarm is output for channel 2 then this pin is pulled low.

CH2 EXT CC STATUS OUT

Open collector output. Set to the low level when channel 2 is in CC mode.

CH2 EXT CV STATUS OUT

Open collector output. Set to the low level when channel 2 is in CV mode.

CH2 EXT CV CONTROL IN

Constant-voltage control input pin for channel 2.

In the external voltage control mode, an external voltage of 0V to 10V can be used to control the output voltage from 0V to the rated output voltage. In the external resistance control mode,

an external resistance of 0kΩ to 10kΩ

can be used to control the output voltage from 0V to the rated output voltage.

Pin assignment of the J3 External Control Connector (PSB-2400L, 2800L, 2400L2, 2800LS)

GETTING STARTED

CH2 EXT CC CONTROL IN

Constant-current control input pin for channel 2.

In the external voltage control mode, an external voltage of 0V to 10V can be used to control the ouput current from 0A to the rated output current. In the external resistance control mode,

an external reistance of 0kΩ to 10kΩ can

be used to control the output current from 0A to the rated output current.

CH2 COM

COM pin for channel 2. Connected to the negative output terminal of channel 2.

CH2 EXT V MON OUT

Output voltage monitor pin for channel

2. Outputs a voltage of approximately 0V to 10V to represent 0V to the rated output voltage.

CH2 EXT A MON OUT

Output current monitor pin for channel

2. Outputs a voltage of approximately 0V to 10V to represent 0A to the rated output current.

CH2 COM

COM pin for channel 2. Connected with the negative output terminal of channel

CH2 EXT ALARM IN

Causes the alarm state to be triggered when short-circuited with the CH2 COM pin.

CH2 EXT OUTPUT IN

This pin turns the CH2 output on when it is shorted to the CH2 COM pin.

PSB-2000 Series User Manual

CH2 COM

COM pin for channel 2. Connected with the negative output terminal of channel

CH1 EXT CV CONTROL IN

Constant-voltage control input pin for the channel 1.

In the external voltage control mode, an external voltage of 0V to 10V can be used to control the output voltage from 0V to the rated output voltage. In the external resistance control mode,

an external resistance of 0kΩ to 10kΩ

can be used to control the output voltage from 0V to the rated output voltage.

CH1 EXT CC CONTROL IN

Constant-current control input pin for channel 1.

In the external voltage control mode, an external voltage of 0V to 10V can be used to control the ouput current from 0A to the rated output current. In the external resistance control mode,

an external reistance of 0kΩ to 10kΩ can

be used to control the output current from 0A to the rated output current.

CH1 COM

COM pin for channel 1. Connected with the negative output terminal of channel 1.

CH1 EXT V MON OUT

Output voltage monitor pin for channel

1. Outputs approx. 0V to 10V to represent 0V to the rated output voltage.

GETTING STARTED

CH1 EXT A MON OUT

Output current monitor pin for channel

1. Outputs approx. 0V to 10V to represent 0 to the rated output current.

CH1 COM

COM pin for channel 1. Connected with the negative output terminal of channel 1.

CH1 EXT ALARM IN

Causes the alarm state to be triggered when short-circuited with the CH1 COM pin.

CH1 EXT OUTPUT IN

Turns on the CH1 output when shortcircuited with the CH1 COM pin.

CH1 COM

COM pin for channel 1. Connected with the negative output terminal of channel 1.

CH1 EXT CV STATUS OUT

Open collector output. Set to the low level when channel 1 is in CV mode.

CH1 EXT CC STATUS OUT

Open collector output. Set to the low level when channel 1 is in CC mode.

CH1 ALARM OUT

Open collector output. Set to the low level when channel 1 is in the alarm mode.

CH1 STATUS COM (COM of 23, 24 &

25)

COM for pins 23, 24 and 25.

PSB-2000 Series User Manual

Pin No.

Signal name

Function

EXT CV CONTROL IN

Constant-voltage control input pin.

In the external voltage control mode, an external voltage of 0V to 10V can be used to control the output voltage from 0V to 800V. In the external resistance control mode,

an external resistance of 0kΩ to 10kΩ

can be used to control the output voltage from 0V to 800V.

EXT CC CONTROL IN

Constant-current control input pin.

In external voltage control mode, an external voltage of 0V to 10V can be used to control the output current from 0A to 3A(2400H) or 6A(2800H).

In the external resistance control mode,

an external resistance of 0kΩ to 10kΩ

can be used to control the output current from 0A to 3A(2400H) or 6A(2800H).

COM

COM Connected with the negative output terminal.

EXT V MON OUT

Output voltage monitor pin. Outputs approx. 0V to 10V to represent the output voltage from 0V to 800V.

Pin assignment of J3 external control connector (PSB-2400H, 2800H)

GETTING STARTED

EXT A MON OUT

Output current monitor pin Outputs approx. 0V to 10V to represent the outuput current from 0A to 3A(2400H) or 6A(2800H).

COM

COM Connected with the negative output terminal.

EXT ALARM IN

Trigger the alarm state when shortcircuited with the COM pin.

EXT OUTPUT IN

Turns on the output when shortcircuited with the COM pin.

COM

COM Connected with the negative output terminal.

EXT CV STATUS OUT

Open collector output. Set to the low level when the channel is in CV mode.

EXT CC STATUS OUT

Open collector output. Set to the low level when the channel is in CC mode.

ALARM OUT

Open collector output. Set to the low level when the channel is in the alarm mode.

STATUS COM

COM for pins 23, 24 and 25.

PSB-2000 Series User Manual

Introduction

 Make sure that the power source is shut off.  Use the AC power cable supplied with the

product.

 Plug the connector of the AC power cable into

the AC INPUT receptacle on the rear panel.

Introduction

Use cables with a rated voltage that exceeds the grounding voltage (500V) for the load.

The front output terminals and rear output terminals are electrically connected internally. When the front output terminals are used, the rear output terminals are also active. Put the protective covers supplied with the product on the rear output terminals to avoid electrocution.

CAUTION

Make sure that the load is only connected when the POWER switch is off.

To connect a load, use cables that have a large enough current capacity for the rated output and

OPERATION

This chapter describes the start up procedures and the preparation that is necessary before operating the DC power supply.

Connecting the AC Power Cable

Connecting the Load to the Output Terminals

OPERATION

current in order to prevent a fire.

The current capacity of the cables should be higher still if the cables are twisted to reduce noise or to avoid malfunctioning.

Be careful of the

temperature!

Procedure

1. Remove the AC cable from the AC INPUT.

2. Connect crimped lug terminals to the ends of

the load cables. Tighten the lug terminals firmly using the nuts supplied with the power supply.

CAUTION

The rear output terminals have M6 holes and M3 (tapped) holes. Be sure to use the M6 holes to connect the load. Noise at the load end may be reduced by twisting the load cables or connecting a film capacitor

(several μF, low-impedance, high-frequency) and an electrolytic capacitor (several hundred μF) to

the load end.

Connecting to the Rear Output Terminals (PSB-2400L, 2800L, 2400L2, 2800LS)

PSB-2000 Series User Manual

Fig. Connection with Rear Output Terminals

Bolt (M6)

Washer

Nut

Terminal block

Output terminal bar

Note

Connect the cables using the bolts supplied with the power supply as shown above. If different bolts are used, they may contact the protective cover or interfere with the protective cover. The lug terminals must be on the outside of the output terminals.

3. Connect the positive or negative output terminal

to the GND screw with the symbol using the GND cable supplied with the product as the necessity requires.

Note

The negative potential of the external voltage control pin is the same as that of the negative output terminal. If the power supply unit is grounded at the positive terminal and the power source for external control is grounded at the negative terminal, the load cables for external voltage control will short-circuit the output of the power supply unit, which could damage the unit. In this situation, make sure the external voltage control source is floating with respect to the output terminals.

OPERATION

Fig. Positive Grounding Connection

Connect with this screw

4. Sandwich the output terminals and the load

cables from above and below with the rear output terminal protective covers, as shown below. Drive the screw into the protective covers at the center.

Fig. Attaching Rear Output Terminal Protective Covers

CAUTION

Make sure that the protection covers are always attached to the terminals even when they are not being used.

The front and rear output terminals are electrically connected internally. Touching a terminal that is not protected may induce an electric shock.

PSB-2000 Series User Manual

(several μF) and an electrolytic capacitor (several hundred μF) to the load end.

5. Cut the shaded parts shown below with cutting

pliers or the like to connect the power supplies in series or in parallel or to ground the output.

Fig. Parts to be cut

Procedure

1. Remove the AC cable from the AC INPUT.

2. Insert the load line and then use a flathead

screwdriver or similar tool to firmly secure it.

3. If necessary, use the supplied output ground

cable and screw to establish a positive or negative ground connection to the output ground terminal ( mark).

Parts to be cut

Parts to be cut Parts to be cut

Connection with the Rear Output Terminals (PSB-2400H, 2800H)

OPERATION

CAUTION

Noise at the load end may be reduced by twisting the cables to the load or connecting a film capacitor (low impedance, high-frequency, several

μF) and an electrolytic capacitor (several hundred μF) to the load end.

Fig. Connection with Rear Output Terminals

＋－

負荷線

マイナスドライバー等

A flathead screwdriver or similar tool

Load line

Note

The negative potential of the external voltage control is the same as that of the negative output terminal. If the power supply unit is grounded at the positive terminal and the power source for external control is grounded at the negative terminal, the load cables for external voltage control will short-circuit the output of the power supply unit, which could damage the unit. In this situation, make sure the external voltage control source is floating with respect to the output terminals.

Fig. Positive Grounding Connection

＋－

PSB-2000 Series User Manual

CAUTION

The front and rear output terminals are electrically connected internally. Terminals that are NOT in use still carry output voltage.

Be careful not to touch the terminals. Failure to heed this warning may result in electric shock.

OPERATION

Procedure

1. Turn on the unit using the POWER switch.

2. Connect crimped lug terminals to the ends of

the load cables. Fix the load cables firmly to eliminate loose connections from the front output terminals and load cables.

3. If current is output through the rear output

terminals, cover the front output terminals with the protective caps for safety.

Fig. Connection with Front Output Terminals

(Good)

(Bad)

CAUTION

 The power supply unit may output a

maximum of 40A through the front output terminals. Do not use pin plugs or banana plugs for outputting large current in order to avoid overheating due to contact resistance. Use lug terminals that meet the output current rating and connect them firmly to the front output terminals.

 For safety, NEVER output power through both

the front and rear output terminals.

Connection with the Front Output Terminals (PSB-2400L, 2800L, 2400L2, 2800LS)

PSB-2000 Series User Manual

Procedure

1. Insert the cable (load line) into the plug.

2. Use a 1.5 mm hex key to fasten the 2 screws.

3. Insert the cover into the plug and make sure it

hooks into place (completion image).

4. Turn the power switch off from the unit.

5. Insert the above-mentioned plug into the front

output terminal.

6. When current is drawn from the rear output

terminals, the plug must be removed from the front output terminal.

wrench

φ4 plug

outside diameter of a cable max. φ4

Completion image

Fig. Assembly diagram of the front output terminal plug

CAUTION

For safety, never output power through both the front and rear output terminals.

Assembling and Connecting the Front Output Terminal Plugs (PSB-2400H, 2800H)

OPERATION

Introduction

The PSB-2000 series power supply units offer wider voltage and current range settings, within the rated power envelope, than our traditional models.

70V

10V

60V

50V

40V

30V

20V

80V

10A

15A

20A

25A

30A

35A

40A

Output current

Output voltage

400W　Power limit line

70V

10V

60V

50V

40V

30V

20V

80V

10A

20A

30A

40A

50A

60A

70A

80A

800W　Power limit line

Output voltage

Output current

Fig. PSB-2400L/L2 Operation Range

Fig. PSB-2800L/LS Operation range

Operation Ranges (PSB-2400L, 2800L, 2400L2, 2800LS)

 Voltage setting range: 0V to 80V (All models)  Current setting range: 0A to 40A (PSB-2400L & PSB-2400L2)

0A to 80A (PSB-2800L & PSB-2800LS)

 Power setting range: 10W to 400W (PSB-2400L & PSB-2400L2)

10W to 800W (PSB-2800L & PSB-2800LS)

PSB-2000 Series User Manual

700V

600V

500V

400V

300V

200V

800V

0.5A 1A 1.5A 2A 2.5A 3A

Output current

Output voltage

400W　Power limit line

PSB-2400H

133V

700V

600V

500V

400V

300V

200V

800V

1A 2A 3A 4A 5A 6A

800W Power limit line

PSB-2800H

133V

Output voltage

Output current

Fig. Operation Range of PSB2400H

Operation Range of PSB-2800H

Operation Ranges (PSB-2400H, 2800H)

 Voltage setting range: 0V to 800V (All models)  Current setting range: 0A to 3A (PSB-2400H)

0A to 6A (PSB-2800H)

 Power setting range: 0W to 400W (PSB-2400H)

0W to 800W (PSB-2800H)

OPERATION

Introduction

First, press the POWER switch to turn on the power. The power supply unit will show the startup screen (firmware version and models) for several seconds and then displays the last-used settings.

Note

The unit saves the last-used settings automatically when the power supply source is cut off or the POWER switch is shut off.

Model PSB-2400L, version 1.00

The last-used settings are displayed

Procedure

1. Make sure that the V key is lit green. If not,

press the V key to turn it on.

V AW

2. Set the voltage level with the encoder wheel.

Note

Check which channel is selected before setting the voltage on the PSB-2400L2 in order not to change the set value of the other channel.

Various Settings

Turning the Power On

How to Set the Voltage

PSB-2000 Series User Manual

Procedure

1. Make sure that the A key is lit green. If not,

press the A key to turn it on.

V AW

2. Set the current with the encoder wheel.

Procedure

1. Make sure that both the V and A keys are lit. If

not, press the V and A keys to turn them on. (Both keys need to be lit when setting the power.)

V AW

If the A key is pressed while keeping the V key depressed, the Current LED display can be used to enter the power setting. (The “A” indicator will turn turn off and the “W” indicator will turn on, indicating that the setting has changed from current to power.) See the figure below, “Voltage and Power”.

If the V key is pressed while keeping the A key depressed, the Voltage LED display can be used to enter the power setting. (The “V”

indicator will turn turn off and the “W”

indicator will turn on, indicating that the setting has changed from voltage to power.) See the figure below, “Current and Power”.

2. Set the power with the encoder wheel.

How to Set the Current

How to Set Power

OPERATION

Fig. Power Display

Voltage and

Power:

80V and 400W

Current and Power:

400W and 40A

Output Methods

 Turning the output on or off using the OUTPUT

key.

 Turning the output on or off using the CH1 or

CH2 key (PSB-2400L2 only).

 Turning the output on or off using the external

control function.

Note

If the output is quickly turned off then on, then it is possible that the voltage will not discharge normally. Please allow the output to be off for a least 1 second before turning the ouput on again.

Procedure

1. Turning the output on or off using the OUTPUT

key.

Press the OUTPUT key to turn the output on or off. The Output is on while this key is lit. On the PSB-2400L2, pressing the OUTPUT key turns on or off the outputs for channel 1 and channel 2 simultaneously, but only if the CH1 CH2 keys have been pressed beforehand to select channel 1 or B.

2. Turning the output on or off using the CH1 CH2

key. (PSB-2400L2 only)

How to Turn the Output On

PSB-2000 Series User Manual

The CH1 and CH2 keys are independent of each other, and it is possible to turn the output on through channel 1 or B by pressing the CH1 or CH2 key to select the corresponding channel. However, the output is disabled unless the OUTPUT key is lit.

Note

For the PSB-2400L2, if neither the CH1 nor CH2 key is lit, the OUTPUT key will not go on even if it is pressed. (No output is provided.)

Fig. Output by Pressing OUTPUT key

OUTPUT

CH 2CH 1

ON / OFF

OUTPUT

CH 2CH 1

ON / OFF

Press CH1 and CH2 to

make them light up. (The

output is still off)

Press Output to output.

OPERATION

Output methods

The power supply unit displays the output value when the output is on. Press the ENTER / CHECK key when the output is on to switch the display to the setting value.

Procedure

Every press of the ENTER/CHECK key toggles the display between the setting mode and output mode.

When the output is on and the mode has been switched to the setting mode, the A or V key blinks, indicating that the setting value is being displayed.

Note

is rotated in the setting mode. The output value is changed if the encoder is rotated in the output mode. Do not touch the encoder to check the setting values.

→

Output value

Press CHECK:

Set value

Press CHECK: Output value

How to Display the Setting Value When the Output is On

PSB-2000 Series User Manual

The display panel on the PSB-2000 series can be rotated 90 degrees so that the unit can be operated comfortably in either the horizontal or vertical orientations. Hold the encoder wheel and rotate the orientation of the panel while pressing the ROTATE key below the encoder wheel. Keep turning the panel until a “click” sound is heard. This indicates that the panel is now locked in place.

CAUTION

Be sure to confirm that the POWER switch is off before rotating the display panel. If the display panel is rotated with the power on, the set value may change due to the rotation of the encoder wheel.

Fig. Rotating Display Panel

Horizontal installation

Vertical installation by

rotating the display panel

How to Rotate the Display Panel 90 Degrees for Vertical Installation

OPERATION

Operation

It is possible to disable the front panel keys by pressing the FAST/LOCK(3s)/LOCAL key on the left of the encoder. Hold this key for three or more seconds to lock the panel keys. The keys are locked when the LED beside the key turns red. To cancel the key lock function, hold the FAST/LOCK(3s)/LOCAL key for 3 or more seconds.

CAUTION

This key serves as the FAST, LOCK (3s), and LOCAL keys. When putting the power supply into the locked state, it will also automatically cancel the FAST mode setting (if set) and restore the power supply to the SLOW mode.

In the key-locked state, the OUTPUT key is still functional so that the output can be turned off for safety reasons.

How to Disable Panel Operations (Key Lock Function)

PSB-2000 Series User Manual

Introduction

 Every press of the MENU key changes the menu

numbers:

PSB-2400L, 2800L, 2800LS: MENU Option “01” to “07”.

PSB-2400L2: MENU Option “01” to “09”. PSB-2400H, 2800H: MENU Option “01” to

“06”.

 Press the ESC /DISP key to return from the MENU

settings to the normal settings.

 To deactivate a function, select the

corresponding setting again from the menu and deactivate it.

Operation Overview

 MENU key: Cycles through the menu options.

 ENTER / CHECK key: Validates numeric values

and items.

 ESC / DISP key: Exits from the menu settings

and returns to the normal settings.

 Encoder wheel: Selects numeric values and

items.

Menu Key Functions

OPERATION

The diagram below can be used as a reference for the menu operations in the following pages:

General Setting Procedure

1. Press the MENU key until an intended function

number is displayed.

2. Press the ENTER / CHECK key to validate the

function. Proceed to setting of the next item.

3. Set a numeric value or item with the encoder,

and press the ENTER/ CHECK key to validate it.

4. When all intended items have been set, press

the ESC / DISP key to return to the normal state.

CAUTION

Set values are only validated after the ENTER / CHECK key is pressed. Be sure to check that the value is set properly after setting it. Some functions may not be settable as some functions cannot be used together. See the table below for details.

Set function

Functions that cannot be set or used simultaneously

Preset

Sequence External(voltage/resistance)

OVP/OCP

- Hi-Ω (PSB-L Series Only)

Off timer

Sequence Delay External (On/Off)

Voltage LED

Current LED

2 digit LED for displaying the number of cycles, step No., and menu No.

PSB-2000 Series User Manual

Sequence

Preset Off timer External (voltage/resistance) External (On/Off) Delay Tracking

External (voltage/resistance)

Preset Tracking External (On/Off)

Off timer Delay

Delay (PSB-L Series Only)

Sequence Off timer

Tracking (PSB-L Series Only)

Sequence External (voltage/resistance) External (On/Off)

OPERATION

Introduction

This function saves settings to one of the three PRESET keys. The settings shown below may be preset. Note that any other settings/values may not be saved.

 Set voltage  Set current  Set power

Procedure

1. Set the voltage/current/power settings that

you want saved.

2. Press the MENU key until menu number “01” is

displayed.

3. Press the ENTER / CHECK key. All the PRESET

keys blink green.

4. Press the PRESET key that you want to assign

the current settings to. The PRESET key that you press will be lit a solid green to indicate that the save was successful.

5. Press the ESC/ DISP key to return to normal

operation.

CAUTION

Once the MENU key is pressed to activate the preset function, you can no longer set the voltage, current and power. Set the intended values before

Preset Function

Menu Item: 01(All Models)

PSB-2000 Series User Manual

activating the preset function.

Introduction

 OVP: (Over Voltage Protection)

The OVP function turns off the output when the output voltage of the PSB-2000 series exceeds the preset OVP value.

Model

Setting Range

Resolution

PSB-2400L PSB-2800L PSB-2400L2 PSB-2800LS

1.0V to 84.0V

0.1V

PSB-2400H PSB-2800H

10.0V to 840.0V

 OCP: (Over Current Protection)

The OCP function turns off the output when the output current of the PSB-2000 series exceeds the preset OCP value.

Model

Setting Range

Resolution*

PSB-2400L PSB-2400L2

1.0A to 42.0A

0.1A PSB-2800L

1.0A to 84.0A

0.1A

PSB-2400H

0.1A to 3.15A

0.01A

PSB-2800H

0.1A to 6.30A

0.01A

*The resolution may be different for parallel/serial operation. Please see the specifications for details.

OVP/OCP function

Menu Item: 02 (All Models)

OPERATION

Procedure

1. Press the MENU key until menu number “02” is

displayed.

2. Press the ENTER / CHECK key to toggle between

the OVP and OCP setting displays. On the PSB2400L2, the OVP and OCP settings for channel 1 appear first, followed by channel 2 next.

OVP setting

OCP setting

→

OVP and OCP setting of channel 1

OVP and OCP setting of channel 2

3. When the intended protection function is

displayed (OVP or OCP), rotate the encoder wheel to set the OVP or OCP level.

4. Press the ENTER/ CHECK key to comfirm. The

setting is now complete.

5. Press the ESC/ DISP key to return to the normal

operation.

Hi-Ω- Function

Introduction

The PSB-2000 series power supplies have filter capacitors connected to the output. The PSB-L power supplies also have a bleeder circuit to discharge these capacitors to a safe level when the output is turned off. When the Hi-Ω function is activated, the bleeder circuit is deactivated. This allows you to omit reverse-current preventing diodes that are necessary for charging batteries or capacitors when a bleeder circuit is active.

When the Hi-Ω function is activated, the internal filter capacitors can remain charged even after the power has been turned off and thus can be quite dangerous. As a safety measure, the bleeder circuits are programmed to turn back on after a predeterminded amount of time (5 ~ 30 minutes) after the output has been turned off.

Procedure

1. Press the MENU key until menu number “03” is

displayed.

2. Press the ENTER / CHECK key to enter the Hi-Ω

function setting mode. Select ON or OFF with the encoder wheel. The Hi-Ω function is set to OFF by default.

PSB-2000 Series User Manual

Menu Item: 03 (PSB-L Series Only)

OPERATION

Hi-Ω Off

Hi-Ω On

3. Press the ENTER / CHECK key to confirm the

setting. The Hi-Ω LED in the center of the panel turns on.

○ OFF TIMER ○ DELAY

● Hi-Ω

4. Next, set the time limit for when the bleeder

circuits are turned back on with the encoder wheel. Setting range: 5~30 minutes. Setting resolution: 5 minute steps.

Press the ENTER / CHECK key to confirm the setting.

Example: Timer set for 20 minutes.

5. Press the ESC / DISP key to quit the setting

mode and return to normal operation.

PSB-2000 Series User Manual

CAUTION

When the Hi-Ω function is activated, the output terminals of the power supply unit keep on carrying voltage even after the output is turned off. The Hi-Ω LED will blink when Hi-Ω function is still active as the internal capacitors remain charged. Voltages as high as 80V may remain at the terminals when the output is turned off. Such a state is very dangerous. To avoid accidents, isolate the output terminals from the load cables completely with a relay or switch.

OPERATION

Introduction

This function turns the output off automatically after a set amount of time. The timer can be set in ten minute steps to a maximum of 99 hours, 50 minutes.

Procedure

1. Press the MENU key until menu number “04” is

displayed(PSB-L) or “03(PSB-H series)

2. Press the ENTER / CHECK key to enter the Off

Timer settings.

3. Select ON or OFF with the encoder wheel. The

Off Timer is turned off by default.

Initial setting

OFF timer activated

4. Press the ENTER / CHECK key to confirm the

setting. The OFF TIMER LED in the center of the panel will turn on when the timer is active.

● OFF TIMER ○ DELAY ○ Hi-Ω

5. Next, set the timer time with the encoder

wheel. Press the ENTER / CHECK key to confirm the setting.

Off Timer Function

Menu Item: 04(PSB-L Series), 03(PSB-H Series)

PSB-2000 Series User Manual

The timer may be set in steps of ten minutes to a maximum of 99 hours and 50 minutes. The OFF TIMER LED will blink when the remaining time is less than five minutes. The remaining time for the off-timer may be checked by pressing the ESC/DISP key while the off-timer is running. (On the PSB-2400L2, pressing the ESC/DISP key toggles the display in the following order: CH1 settings, CH2 settings, and then the remaining time of the offtimer.)

Example: Off Timer set to ten minutes

6. Press the ESC / DISP key to quit the setting

menu and return to normal operation.

OPERATION

Introduction

This function executes sequence programs. Please note that sequence programs can only be created when one of the interface boards (PSB-001 or PSB-

002) are installed. Without an interface board installed, the sequence function is not available. Please see the PSB_Sequence_203 usermanual or the GW Instek website for more information on how to program sequences.

The following describes how to view steps in a previously-create sequence and screen shots of the PSB_Sequence_203 application that creates the sequences.

Note that the PSB series cannot edit or create sequences.

Fig. Repeating Steps 20 to 22 Three Times, Beginning with Step 20

Step No.

Cycle No.

Start End

20 21 22 20 21 22 20 21 22

1 2 3

Program contents

Continue

Sequence Function

Menu Item: 05(PSB-L), 04(PSB-H)

PSB-2000 Series User Manual

CAUTION

If the output is active at the end of the program as shown in the figure above, the power supply output will remain at the level of the last step even after the completion of the sequence operation. (I.e., the output stays active.) The last step number must be set to OFF for the the output to be turned off at the end of a sequence.

The sequence operation will end prematurely if the OUTPUT key pressed when a sequence is running. Note however, that the output will remain active at the level of the last step that was executed when the OUTPUT key was pressed.

Procedure

1. Press the MENU key until menu number

“05”(PSB-L) or “4”(PSB-H) is displayed.

2. Press the ENTER / CHECK key to enter the

sequence operation settings. Select ON or OFF with the encoder wheel. By default the sequence function is turned off.

Initial setting

Sequence operation activated

3. Press the ENTER / CHECK key to confirm the

setting. The SEQUENCE LED below the PRESET key turns on. 1 2 3

OPERATION

○ ○ ○

―●SEQUENCE―

4. Next, set the Start Step number with the

encoder wheel. Press the ENTER / CHECK key to confirm. The setting range is from 0 to 99.

Example: The Start Step is set to No. “00”.

5. Set the End Step number with the encoder

wheel. Press the ENTER / CHECK key to confirm. The setting range is from 0 to 99.

Example: The End Step is set to step No. “99”.

6. Set the number of times to repeat the steps

above with the encoder wheel. Press the ENTER / CHECK key to confirm. Setting the sequence function is now complete. The “---“ setting repeats the steps infinitely. The setting range is from 1 to 999 or “—“ (infinite).

Example: Repeat the selected steps 999 times.

7. Press the ESC / DISP key to quit the Sequence

settings and enter the sequence operation

PSB-2000 Series User Manual

mode.

Introduction

 Constant-Voltage (CV) Control Using External

Voltage

This function allows you to control the voltage of the PSB-2000 series power supply unit by applying an external voltage to the unit. An external voltage of 0V to 10V can be used to control the output voltage from ~0V to the rated output voltage.

 Constant-Current (CC) Control Using External

Voltage

This function allows you to control the current of the PSB-2000 series power supply unit by applying external voltage to the unit. An external voltage of 0V to 10V can be used to control the output current from ~0A to the rated output current.

 Constant-Voltage (CV) Control Using External

Resistance

This function allows you to control the voltage of the PSB-2000 series power supply unit by connecting an external resistance to the unit. An external resistance of 0Ω to 10kΩ can be used to control the output voltage from ~0V to the rated output voltage.

 Constant-Current (CC) Control Using External

Resistance This function allows you to control the current

External Control (External Voltage, External Resistance)

Menu Item: 06(PSB-L), 05(PSB-H)

OPERATION

of the PSB-2000 series power supply unit by connecting an external resistance to the unit. An external resistance of 0Ω to 10kΩ can be used to control the output current from ~0A to the rated output current.

CAUTION

The PSB-2000 series power supply unit is incapable of simultaneous external voltage and external resistance control. For example: Using an external voltage for CV control and external resistance for CC control is not supported.

Procedure

1. Press the MENU key until menu number

“06”(PSB-L) or “05”(PSB-H) is displayed.

2. Press the ENTER / CHECK key to enter the

external control settings. Use the encoder wheel to select external voltage or external resistance, and press the ENTER / CHECK key. By default the External Control is turned off.

Initial setting

External voltage

External resistance

3. Select the external control mode with the

encoder wheel. The modes are listed below: CV= Constant voltage CC= Constant current IN = Control from the front panel or remotely from a PC. OUT= Control using the external control.

PSB-2000 Series User Manual

Controlling constant voltage from the front panel

Controlling constant voltage using external control

Controlling constant current from the front panel

Controlling constant current using external control

4. Finally, press the ENTER / CHECK key to

validate the settings. Setting the control mode is now complete.

5. Press the ESC / DISP key to quit the setting

mode and return to normal operation.

Introduction

The PSB series can use external control to turn the output on or off by shorting (output on) or opening certain pins (output off) on the external control connector.

Use this function to choose whether to use external control or the OUTPUT key to turn on the output.

External Control Output On/Off

Menu Item: 07(PSB-L, 06(PSB-H)

OPERATION

Procedure

1. Press the MENU key until menu number

“07”(PSB-L) or “06”(PSB-H) is displayed.

2. Press the ENTER / CHECK key to enter the

external output On/Off control setting mode.

3. Select On or Off with the encoder wheel, and

press the ENTER / CHECK key again to confirm the settings. The external output on/off setting is now complete. The output control modes are shown below: IN= The output is controlled with the OUTPUT key. OUT= The output is controlled with external contacts.

OUTPUT key control

External Control

4. Press the ESC/ DISP key to quit the settings and

return to normal operation.

Delay Function

Introduction

The delay function is available on the dual channel model (PSB-2400L2) only. It adds a rise and fall delay time to the output of channel 2 for a specified amount of time (in seconds) from a reference point (output of channel 1). The rise delay time refers to the delay time for turning the output on. The fall delay time refers to the delay time for turning the output off.

Fig. Temporal Concept of Delay Function

Channel B

Channel A

Positive

(10 seconds Max.)

Negative

(9.99 seconds max.)

Zero

Negative

(9.99 seconds max.)

Positive

(10 seconds Max.)

Procedure

1. Press the MENU key until menu number “08” is

displayed.

2. Press the ENTER / CHECK key to enter the delay

function settings. Select On or Off with the encoder wheel. By default the delay setting is turned off.

Delay OFF

Delay ON

PSB-2000 Series User Manual

Menu Item: 08 (PSB-L2)

OPERATION

3. Press the ENTER / CHECK key to confirm the

setting. The DELAY LED in the center of the panel turns on.

○ OFF TIMER

● DELAY ○ Hi-Ω

4. Set the rise delay time with the encoder wheel.

When a positive time is set, the output of channel 2 is delayed with respect to channel 1. On the contrary, when a negative time is set, the output of channel 2 leads that of channel 1. The delay time can be set in the range of -9.99 seconds to +10.00 seconds in steps 10 ms.

The output of channel 2 is turned on 9.99 seconds earlier

The output of channel 2 is turned on 10.00 seconds later.

5. Set the fall delay time with the encoder wheel, and

press the ENTER / CHECK key. The delay function setting is now complete.

The channel 2 output is turned off 9.99 seconds earlier

The channel 2 output is turned off 10.00 seconds later.

6. Press the ESC / DISP key to quit the delay settings

and return to normal operation.

PSB-2000 Series User Manual

Introduction

The tracking function is available on the dual channel model (PSB-2400L2) only. When the tracking function is turned on, the output of channel 2 is made to match the output of channel 1, thus channel 2 can be said to “track” channel 1. This effectively means that the values of both channels change simultaneously.

Fig. Tracking Operation

Channel 1

Channel 2

10V

20V

Tracking function

Changing set values with encoder or through communication

Procedure

1. Press the MENU key until the menu number

“09” is displayed.

2. Press the ENTER / CHECK key to enter the

tracking function setting mode. Select On or Off with the encoder wheel. By default the tracking function is turned off.

3. Press the ENTER / CHECK key to confirm the

setting. Both the CH1 and CH2 LEDs on the right of the channel LED turn on.

4. Press the ESC / DISP key to quit the setting

Tracking Function

Menu Item: 09 (PSB-L2)

OPERATION

menu and return to normal operation. “Ab” is displayed on the MENU LED when the tracking function is activated.

Example: Tracking function is activated.

The master-slave function allows the PSB series to operate in parallel or series (PSB-L only). For series operation a maximum of 2 PSB-L units can be used. For parallel operation, a maximum of 4 (PSB-L) units or 2 units (PSB-H) units can be used. Note that for series operation, the same PSB-L models types must be used.

For a slave unit that is connected in series, only the output voltages are displayed when the output is on.

No panel operations can be performed on the slave units. Only the Off Timer, Sequence and External Control function settings are initialized on the slave units.

For parallel connections “---“ is displayed on the display for slave units. The monitor values are displayed on the master unit.

CAUTION

The Hi-Ω function is not available for masterslave operation.

Master-slave function

Menu Item: 10

PSB-2000 Series User Manual

Display for a slave unit in a parallel connection

Display for a slave unit in a series connection

Procedure

1. The master-slave settings can be accessed by

turning on the power switch while holding the MENU key.

2. Select the operation mode for the unit with the

encoder wheel and press the ENTER / CHECK key to confirm the setting. By default the master-slave setting is set to OFF

Initial setting: Single unit operation or Master unit in a series connection

Master unit in a parallel connection

Slave unit in a parallel connection

Slave unit in a series connection (PSB-L only)

OPERATION

3. Set the total power with the encoder wheel if

the unit is set as the master unit in a parallel connection.

Example: Total power of 3200 W.

4. Press the ESC / DISP key to exit the settings

and return to normal operation.

PSB-2000 Series User Manual

Description

The PSB-2000 series power supply units have an output voltage remote sensing function. This function eliminates influences of voltage drops between the power supply unit and load, which is caused by the contact resistance or the resistance of the load cable conductors. Voltage sense compensates for a voltage of up to 1V on a single terminal.

CAUTION

When the voltage sense function is used, the voltage at the front or rear terminals of the power supply unit must not exceed the rated voltage.

If the load cables are long, the inductance and the capacity of the load cables may cause oscillation. To avoid oscillation, connect an electrolytic capacitor of a several hundred to several thousand μF to the load terminals.

Procedure

1. Make sure that the POWER switch is off before

making any connections.

2. Disconnect the wire that shorts the + and +S

terminals or - and -S terminals on the fourterminal block on the left of the output terminals on the rear panel (this will need to be done for both channels on the PSB-2400L2).

3. Connect the positive sensing terminal (+S) to

the positive side of the load and the negative sensing terminal (-S) to the negative side of the load, as shown below. If the sensing wires are disconnected, control will become unstable and a voltage greater than the set voltage could be applied to the load. Connect the sensing wires

Voltage Sense

OPERATION

firmly.

NOTE

Approximately 1mA of current flows through the sensing wires at the rated output voltage. Use AWG 26 to 18 wires as the sensing wires.

Fig. Remote Sensing Connection (PSB-L)

-S

Load

＋

＋OUTPUT

－OUTPUT

Shielded cable or

Twisted pair wires

Fig. Remote Sensing Connection (PSB-H)

-S

Load

＋

OUTPUT

－

OUTPUT

Shielded cable or

Twisted pair wires

+ -

PSB-2000 Series User Manual

Description

The following connectors are supplied with the power supply for external control.

Procedure

1. XG5M-2635-N (manufactured by OMRON

Corporation) (For all PSB-2000 series)

This section describes how to assemble the external control connector

Procedure

1. Remove the contacts from the housing.

Each contact can be easily removed by pulling it out while using a pin to hold down its catch. The contacts can also be removed using the XY2E-0001 removal tool (manufactured by OMRON Corporation).

2. After connecting a wire to each contact, insert

the contacts into the connector. When inserting the contacts into the connector, ensure that the catch of each contact is firmly latched to the connector. When connecting a wire to each contact, use the XY2B-7006 crimping tool (manufactured by OMRON Corporation). Applicable wire: Twisted wire AWG28 or 26 Outer diameter φ1.1 to 1.3 mm

3. Mount semi-covers on both sides of the

connector.

External Control Functions

Assembling the XG5M-2635-N Connector

Fig. Assembling the External Control Connector (XG5M-2635-N)

The 26-pin connector for external control: XG5M-2635N (OMRON Corporation)

Each contact can be easily removed by pulling it out while using a pin to hold down its catch.

The XY2E-0001 contact removal tool (manufactured by OMRON Corporation), can also be used to remove the contacts.

Applicable wire: Twisted wire AWG28 or 26

Outer diameter φ1.1 to 1.3

Mount the semi-covers on both sides of the connector. Here is a view of the completed assembly (20 pins shown)

Introduction

It is possible to monitor the output voltage and output current of the PSB-2000 series power supply unit using the J3 external control connector. This section describes how to monitor the output voltage and output current of the dual channel model (PSB-2400L2). The single channel models operate in the same manner as the description for the CH1 outputs.

OPERATION

Output Voltage Monitor and Output Current Monitor

PSB-2000 Series User Manual

NOTE

The internal impedance of the voltage and current monitoring circuits are approximately 1kΩ. Be careful not draw over 1mA through the monitoring circuits.

Procedure

1. Voltage monitor

CH1: Pins 17 and 16 (COM), CH2: Pins 8 and 7 (COM)

2. Current monitor

CH1: Pins 18 and 16 (COM), CH2: Pins 9 and 7 (COM)

Fig. Monitor Output Pins

M M

CH1 Voltage monitor

CH1

Current

monitor

－

＋

EXT CONT (J3)

M M

CH2 Voltage monitor

CH2

Current

monitor

－

＋

EXT CONT (J3)

Negative output terminal of CH1

Negative output terminal of CH2

＋

－

＋

Output voltage

10V

Monitor

voltage

Output current

10V

Monitor

voltage

OPERATION

Introduction

The output voltage can be controlled by an external voltage or resistance through the J3 external connection (EXT CONT) on the rear panel if external control is selected.

CAUTION

The negative side of the external voltage is connected with the negative output terminal of the power supply unit. Have the external voltage source floating to avoid accidents or malfunctions. If the external resistor is disconnected for some reason when operating in the external control mode, an excessively-high voltage could be applied to the output. This occurs as a disconnected resistor appears as an open circuit, which in turn is interpreted as a resistance of 10kΩ. If fixed resistances are used, use shortingtype switches to switch between the fixed resistances to avoid open circuits.

The pins used for external voltage control or for external resistance control are the same. Check with control method is selected (external voltage or external resistance), before connecting the pins.

External Resistance and External Voltage Control Pins for voltage control:

CH1: Pins 14 and 16 (COM) CH2: Pins 5 and 7 (COM)

Constant-Voltage (CV) Control with External Voltage or Resistance

PSB-2000 Series User Manual

Fig.External Voltage/ Resistance Control Terminal(CV)

EXT CONT (J3)

Negative output terminal of CH1

～

10V

0Ω

～

10kΩ

CH1

External

control

※ Use a shielded cable or twisted

pair wires for this control.

EXT CONT (J3)

Negative output terminal of CH2

～

10V

0Ω

～

10kΩ

CH2

External

control

※ Use a shielded cable or twisted

pair wires for this control.

Output voltage

10V

External

voltage

Output voltage

10kΩ

External

resistance

OPERATION

Introduction

The current output can be controlled using an external voltage or external resistance through the connector J3 (EXT CONT) on the rear panel if external control is selected.

External Resistance and External Voltage Control Pins for current control:

CH1: Pins 15 and 16 (COM) CH2: Pins 6 and 7 (COM)

Fig. External Voltage/Resistance Control Pins (CC)

EXT CONT (J3)

Negative output

terminal of CH1

～

10V

0Ω

～

10kΩ

CH1

External

control

※ Use a shielded cable or twisted

pair wires for this control.

EXT CONT (J3)

Negative output

terminal of CH2

0V ～

10V

0Ω ～

10kΩ

CH2

External

control

※ Use a shielded cable or twisted

pair wires for this control.

Output current

10V

External

voltage

Output current

10kΩ

External

resistance

Constant-Current (CC) Control with External Voltage or Resistance

PSB-2000 Series User Manual

Introduction

The output can be turned on or off using external contact switches if the external control function is activated.

External Control Pins for Output ON/OFF control:

CH1: Pins 21 and 22 (COM) CH2: Pins 12 and 13 (COM) Short: OUTPUT ON Open: OUTPUT OFF

Fig. Output ON/OFF Pins with External Contacts

EXT CONT (J3)

Negative output terminal of CH1

EXT CONT (J3)

Negative output terminal of CH2

CH2 OUTPUT ON/OFF

CH1 OUTPUT ON/OFF

Output ON/OFF with External Contacts

OPERATION

Introduction

An external contact switch can force the PSB-L into the alarm state. When in the alarm state, the output is turned off and “HARD” is displayed on the LED display. Remove the input power or turn off the power from the POWER switch to cancel the alarm state.

External Control Pins to activate the alarm state:

CH1: Pins 20 and 22 (COM) CH2: Pins 11 and 13 (COM)

Fig. External Alarm Input Pins

EXT CONT (J3)

Negative output terminal of CH1

EXT CONT (J3)

Negative output terminal of CH2

CH2

External

alarm input

CH1

External

alarm input

Alarm Function using External Contacts

PSB-2000 Series User Manual

Introduction

 Constant-Voltage (CV) Status Signal

This status signal goes low when the PSB-2000 series power supply unit enters the constantvoltage (CV) status.

 Constant-Current (CC) Status Signal

This status signal goes low when the PSB-2000 series power supply unit enters the constantcurrent (CC) status.

 Alarm Status Signal

This status signal goes low when the PSB-2000 series power supply unit enters the alarm status.

Item

Symbol

Max. rating

Unit

Output

VCEO

66 V VECO

6 V IC

150

Total allowable loss

170

Isolation voltage

BVS

2500

Vrms

CH1: Constant-voltage (CV)status: Pins 23 and 26 (COM) Constant-current (CC)status: Pins 24 and 26 (COM)

Alarm status: Pins 25 and 26 (COM)

CH2: Constant-voltage (CV) status: Pins 4 and 1 (COM) Constant-current (CC) status: Pins 3 and 1 (COM)

Alarm status: Pins 2 and 1 (COM)

Status Signals (CV, CC & ALARM)

OPERATION

Fig. Status Pins

EXT CONT (J3)

ALARM

CH1 status

EXT CONT (J3)

ALARM

CH2 status

Inside of

PSB-2000

Series

Fig. Photocoupler current

Internal current

2mA

I=1mA or less

※ Select and use proper voltage or resistance so that

the open collector current does not exceed 1mA.

PSB-2000 Series User Manual

Description

The section “Sequence Function” (page 61) shows how to execute a sequence program on the power supply when equipped with the optional interface board. The PSB_Sequence_203 software is used to create a program in advance via the optional interface board. See the Sequence Function section on page 61 for details. The PSB_Sequence_203 software can be downloaded at the GW Instek website.

Procedure

1. Write a sequence program through the

interface board. See page 61

2. Activate the sequence function as shown in the

Sequence Function menu on page 61.

3. Execute the sequence operation with the

PRESET key(s). Each PRESET key has two functions. The function of the PRESET keys and the OUTPUT key are different when used in the sequence mode compared to when they are in the normal operating mode.

Below is a description of the function of each of the preset keys and the OUTPUT key when in the sequence mode.

Normal Mode

Sequence Mode

PRESET 1

Starts or pauses the sequence

program. ( )

PRESET 2

Skips to the previous step number. ( ) (when paused)

PRESET3

Skips to the next step number in the sequence. ( ) (when paused)

Using the Sequence Function

OPERATION

OUTPUT

Ends the sequence operation.

CAUTION

The OUTPUT key does not the start sequence operation. Use the PRESET 1 ( ) key to start the sequence operation. Even if the sequence function is

activated and the “● SEQUENCE LED” is lit, the

sequence operation will not start unless the PRESET 1 ( ) key is pressed. Functions other than the preset function will work normally even when the “● SEQUENCE LED” is lit. If the OUTPUT key is pressed when a sequence is running, the sequence operation finishes. Note that ending a sequence operation is different from turning off the output in the normal operating mode.

4. The display during a sequence operation is

different from that in normal operation. The differences are shown below. When the ESC /

DISP key is pressed during a sequence

operation, the step number is displayed on the Voltage LED and the number of cycles is displayed on the Current LED. Press the ESC /

DISP key again to return to the previous

display.

Press DISP key

Step No.

Number of cycles

Number of steps

Display 1 in sequence

operation

Display 2 in sequence operation

5. During a sequence operation, the “●

SEQUENCE LED” below the PRESET key blinks, indicating that sequence operation is being executed. To stop

PSB-2000 Series User Manual

the sequence operation partway, press the OUTPUT key or deactivate the sequence function as shown in the Section “Sequence Function”(page 61).

OTHER FUNCTIONS

Description

When the PSB-2000 series power supply unit enters an alarm state or if the alarm state is manually set using the external control connector (see page 83), an alarm code is shown on the display. The alarm code will indicate what type of alarm has been triggered. When an alarm occurs, the power supply unit turns off the output and stays in the alarm state. When a protection function (excluding OVP and OCP, see page 54) is triggered, all operations (panel operation, etc.) are disabled and the power supply unit stops operation.

Press the ESC / DISP key for one second to reset the OVP or OCP alarm (see page 54). Reset the power from the AC input source or from the POWER switch to reset the protection functions.

(1) OVP alarm

This alarm code is displayed if the output voltage exceeds the preset OVP value.

OTHER FUNCTIONS

Display in Alarm Status

PSB-2000 Series User Manual

(2) OCP alarm

This alarm code is displayed if the output current exceeds the preset OCP value.

(3) OHP alarm

The OHP alarm is displayed if the temperature at an internal detection point exceeds a set temperature. The OHP alarm that is displayed differs from model to model, as shown below. For example, on the 2400L2, an OHP alarm is displayed for each channel.

(2400L, 2400H 2800L, 2800H)

(2800L, 2800H)

(2400L2)

(4) HARD alarm

The HARD alarm is displayed in the following conditions:

Cause

Description

Over-Voltage (OVP)

The output is turned off if the voltage exceeds 110% of the rated output voltage.

Over-Current (OCP)

The output is turned off if the current exceeds 110% of the rated output current.

Alarm using external contacts

An alarm is caused when the External Alarm Input Pins on the external control

OTHER FUNCTIONS

ALARM

connector are shorted. For details, see page 83. PSB-L Only.

Description

The PSB Series power supply units are capable of frame link controlled parallel operation of up to four units(PSB-L), or up to 2 units (PSB-H) including the master unit. When performing parallel operation using master units, the master and slave units should be set properly in advance,

see the Master-slave function chapter on page 71.

Connect the master and slave units with the optional parallel signal cables, PSB-005. The parallel connection kit for horizontal installation, PSB-003 or the parallel connection kit for vertical installation, PSB-004 can also be used to physically connect the units together. The joint kit, PSB-007, is included with the PSB-003 and PSB-004 connection kits. Use these kits as the necessity requires.

The sum of the master unit current and slave unit current is displayed on the master unit. See the specifications on page 155 for the displayed items and setting resolution for parallel operation.

Output depends on the master unit. When the OUTPUT key of the master unit is pressed, the outputs of the slave units are turned on automatically.

CAUTION

The PSB-2400L2 is not capable of parallel operation.

Frame Link Controlled Parallel Operation (excluding PSB-2400L2)

PSB-2000 Series User Manual

CAUTION

Improper wiring or settings may cause failures. Recheck the settings before starting frame control operation.

If the load cables of a slave unit are disconnected, excessive voltage is applied to the slave unit

instantaneously and a “HArd” alarm occurs.

Check if the cables are connected properly. Repair improper connections. The master unit displays the total current. If the actual value is remarkably different from the set current and/or output current, improper power may possibly be set in the setting shown in the Master-slave function chapter on page 71. Recheck the set power.

When using frame link-controlled parallel operation, the current indicated on the master unit may fluctuate due to the influence of the load wire resistance. In such cases, use the optional connection kit, PSB-003 (Horizontal Installation Connection Kit), PSB-004 (Vertical Installation Connection Kit) or a low-impedance-load wire.

Use the PSB-2400L as the master unit when controlling the PSB-2400L and PSB-2800L using the the frame link control method.

+OUT

-OUT

Master unit

F.G

（Frame ground)

Load

ー

＋

+grounding

-grounding

+OUT

-OUT

-S

J1 J2

+OUT

-OUT

Slave unit 1

F.G

（Frame ground)

+OUT

-OUT

-S

J1 J2

+OUT

-OUT

Slave unit 2

F.G

（Frame ground)

+OUT

-OUT

-S

J1 J2

+OUT

-OUT

Slave unit 3

F.G

（Frame ground)

+OUT

-OUT

-S

J1 J2

PSB-005

PSB-005 PSB-005

OTHER FUNCTIONS

Description

The PSB-L series power supply (exlcluding the PSB-2400L2) units are capable of frame link controlled series operation of up to two units, including the master unit. When performing series operation using master units, the slave unit should be set properly in advance, see the Master-slave function chapter on page 71.

Output depends on the master unit. When the OUTPUT key on the master unit is pressed, the output of the slave unit is turned on automatically. Connect the master and slave unit with the optional PSB-006 cable.

CAUTION

Improper wiring or setting may cause failures.

Recheck the setting before starting frame link control operation.

Load

ー

＋

＋grounding

±grounding-grounding

+OUT

-OUT

Master unit

F.G

（Frame ground）

+OUT

-OUT

-S

J1 J2

+OUT

-OUT

Slave unit

F.G

（Frame ground）

+OUT

-OUT

-S

J1 J2

PSB-006

Frame Link Controlled Series Operation (excluding PSB-2400L2, PSB-H series)

PSB-2000 Series User Manual

Description

The PSB-2800LS (booster unit) is especially designed to boost the power capacity when used in parallel. It is possible to increase the output up to a maximum of 3200W when used in parallel with a PSB-2800L as the master unit).

NOTE

Note that the PSB-2800LS cannot be used for series operation.

Fig. Front and Rear panel of PSB-2800LS

Description

The PSB-2800LS is not equipped with a power switch. The PSB-2800LS relies on a master unit to turn it on when it is connected in parallel. As soon as the master unit is turned on any connected PSB-2800LS power supply is also turned on (see page 71 for details).

In other words, the PSB-2800LS cannot be used alone. So before using the PSB-2800LS, check to make sure that the AC power cable, signal cables and load wires are connected properly. Improper wiring or settings may cause problems.

Power Extension using PSB-2800LS (Parallel Connection Only)

How to use the PSB-2800LS

OTHER FUNCTIONS

Fig. Connection Example for Horizontal Installation

Fig. Connection Example for Vertical Installation

Description

The PSB-007 extension kits allow master units to be physically connected to slave units. The extension kits can be used horizontally or vertically.

NOTE

Note that the PSB-2800LS cannot be used for series operation.

Using the PSB-007 Extension kits

PSB-2000 Series User Manual

Steps

1. Remove the rubber feet from the bottom of

unit A. (Keep the removed rubber feet and screws with care not to lose them.)

2. Fix the joint kit (PSB-007) to the top panel of

unit B with the flat countersunk head screws supplied with the kit. (Four positions)

3. Place the units as shown in the figure below

so that the prongs from the PSB-007 joint kit on the unit B are inserted in the holes in unit A (revealed from under the rubber feet that were removed).

4. Slide unit A and fix the rear panel to the

brackets on the joint kit (PSB-007) firmly with the screw with washer supplied with the kit. (Two positions)

Unit A

Unit B

(Viewed from side）

Unit A

Unit B

（Shift and screw）

Connection for Vertical Installation

Fix PSB-007 with

attached screw at 4

positions

2 positions

How to Connect the Units Vertically

OTHER FUNCTIONS

Steps

1. Remove the rubber feet from the side of unit

B. (Keep the removed rubber feet and screws with care not to lose them.)

2. Fix the joint kit (PSB-007) to the side of the

unit A with the flat countersunk head screws supplied with the kit. (Four positions)

3. Place the units as shown in the figure below

so that the prongs from the joint kit on unit A are inserted in the holes in unit B (revealed from under the rubber feet that were removed).

4. Slide unit B, and fix the rear panel to the

brackets of the joint kit (PSB-004) firmly with the screw with washer supplied with the kit. (Two positions)

Unit A

(Viewed from above）

（Shift and screw）

Connection for Horizontal Installation

Fix PSB-007 with attached

screw at 4 positions

2 positions

Unit A

Unit B

How to Connect the Units Horizontally

PSB-2000 Series User Manual

Fig. Bus Bar Connections to Fix the Output Terminals

Parallel connection kit for Horizontal installation PSB-003

Parallel connection kit for vertical installation PSB-004

Screw（M6)

Washer

Nut

Terminal block

Output terminal bar

Bus bar ※ Pay attention to the positional relationship with the output terminal

Bus Bar Connection

GW-INSTEK PSB-2800L User guide

Specifications and Main Features

Frequently Asked Questions

User Manual