How it Works
Keithley
Loading...
2260B-30-72
Adjustment Manual
55 pgs1.81 Mb0
Programming Manual
105 pgs2.46 Mb0
Quick Start Manual
40 pgs2.72 Mb0
User guide
153 pgs3.66 Mb0

Keithley 2260B-30-72, 2260B-80-13, 2260B-30-36, 2260B-80-27 User guide

Download
www.keithley.com
2260B Series
360W and 720W Multi-Range Programmable DC Power Supplies
User Manual
Rev. A / March 2014
A Greater Measure of Confidence
A Tektronix
Company
Series 2260B
360W and 720W Multi-Range Programmable DC Power Supplies
USER MANUAL
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.
The information in this manual was correct at the time of printing. However, we continue to improve our products and reserve the rights to change specification, equipment, and maintenance procedures at any time without notice.
Table of Contents
Table of Contents
SAFETY INSTRUCTIONS .................................................... 3
GETTING STARTED ........................................................... 7
2260B Series Overview ........................... 8
Appearance .......................................... 12
Theory of Operation ............................. 18
OPERATION .................................................................... 30
Set Up .................................................. 31
Basic Operation ................................... 43
Parallel / Series Operation ................... 56
Test Sequence ...................................... 71
CONFIGURATION ........................................................... 83
Configuration ....................................... 84
ANALOG CONTROL ........................................................ 98
Analog Remote Control Overview ......... 99
Remote Monitoring ............................ 115
COMMUNICATION INTERFACE ..................................... 120
Interface Configuration ...................... 121
MAINTENANCE ............................................................. 132
FAQ ............................................................................... 134
APPENDIX ..................................................................... 136
2260B Default Settings ...................... 136
Error Messages & Messages .............. 138
LED Display Format ........................... 138
1
2260B Series User Manual
2260B Specifications .......................... 139
2260B Dimensions ............................. 145
Declaration of Conformity .................. 147
INDEX ............................................................................ 148
2
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 instrument or to other properties.
DANGER High Voltage
Attention Refer to the Manual
Protective Conductor Terminal
Earth (ground) Terminal
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 safety symbols may appear in this manual or on the instrument.
3
2260B Series User Manual
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.
General Guideline
CAUTION
Do not place any heavy object on the
instrument.
Avoid severe impact or rough handling that
leads to damaging the instrument.
Do not discharge static electricity to the
instrument.
Use only mating connectors, not bare wires, for
the terminals.
Do not block the cooling fan opening. Do not disassemble the instrument unless you
are qualified.
(Measurement categories) EN 61010-1:2001 specifies the measurement categories and their requirements as follows. This instrument falls under category II.
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.
Measurement category I is for measurements performed on
circuits not directly connected to Mains.
Power Supply
WARNING
AC Input voltage range: 85VAC~265VAC Frequency: 47Hz~63Hz To avoid electrical shock connect the protective
grounding conductor of the AC power cord to an earth ground.
Safety Guidelines
4
SAFETY INSTRUCTIONS
Cleaning the Instrument
Disconnect the power cord before cleaning. Use a soft cloth dampened in a solution of mild
detergent and water. Do not spray any liquid.
Do not use chemicals containing harsh material
such as benzene, toluene, xylene, and acetone.
Operation Environment
Location: Indoor, no direct sunlight, dust free,
almost non-conductive pollution (Note below)
Relative Humidity: 20%~ 85% Altitude: < 2000m Temperature: 0°C to 50°C
(Pollution Degree) EN 61010-1:2001 specifies the pollution degrees and their requirements as follows. The Instrument 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 Temperature: -25°C to 70°C Relative Humidity: <90%
Disposal
Do not dispose this instrument as unsorted municipal waste. Please use a separate collection facility or contact the supplier from which this instrument was purchased. Please make sure discarded electrical waste is properly recycled to reduce environmental impact.
5
2260B Series User Manual
Green/ Yellow:
Earth
Blue:
Neutral
Brown:
Live (Phase)
Power cord for the United Kingdom
When using the instrument 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.
6
GETTING STARTED
2260B Series Overview ................................................... 8
Series lineup ................................................................................................................ 8
Main Features ............................................................................................................. 9
Accessories ................................................................................................................ 10
Package Contents ..................................................................................................... 11
Appearance .................................................................. 12
2260B Front Panel ................................................................................................... 12
Rear Panel ................................................................................................................. 15
GETTING STARTED
This chapter describes the power supply in a nutshell, including its main features and front / rear panel introduction. After going through the overview, please read the theory of operation to become familiar with the operating modes, protection modes and other safety considerations.
7
2260B Series User Manual
Model name
Type
Voltage rating
Current rating
Power
2260B-30-36
360W models
0~30V
0~36A
360W
2260B-80-13
360W models
0~80V
0~13.5A
360W
2260B-30-72
720W models
0~30V
0~72A
720W
2260B-80-27
720W models
0~80V
0~27A
720W
360 Watt models
720 Watt models
2260B Series Overview
Series lineup
The 2260B series consists of 4 models, divided into 2 different model types covering 2 power capacities: 360W models and 720W models.
Apart from the differences in output, each unit differs in size. The 720W models are larger than the 360W models to accommodate the increase in power.
8
GETTING STARTED
Performance
High performance/power Power efficient switching type power supply Low impact on load devices Fast transient recovery time of 1ms Fast output response time
Features
OVP, OCP and OTP protection Adjustable voltage and current slew rates User adjustable bleeder control to quickly
dissipate the power after shutdown to safe levels.
Extensive remote monitoring and control
options
Support for serial and parallel connections Power on configuration settings. Web server monitoring and control
Interface
Ethernet port Analog connector for analog voltage and current
monitoring
USB host and device port
Main Features
9
2260B Series User Manual
Standard Accessories
Part number
Description 196353000
Test Leads x1
174627900
USB Cable
020312300
Basic Accessories Kit: M4 terminal screws and washers x2, M8 terminal bolts, nuts and washers x2, Air filter x1, Analog control protection dummy x1, Analog control lock lever x1, Output terminal cover (top & bottom)
063453400
CD-R 2260B Manuals & Drivers
071305501
Quick Start Guide
PWRKI A*_
Power cord
071305700
China RoHS Declaration
001163200
Calibration of Traceable Certificate
001163300
Packing Check List
Optional Accessories
Part number
Description 2260B-EXTERM
Extended terminal
2260B-RMK-JIS
Rack mount adapter (JIS)
2260B-RMK-EIA
Rack mount adapter (EIA)
2260B-GPIB-USB
GPIB to USB adapter
Download
Name
Description
keithley_2260B.inf
USB driver
Accessories
10
GETTING STARTED
Opening the box
Contents (single unit)
Main unit Test leads x1 USB cable Basic Accessories Kit CD-R Manual Quick Start Guide
Power cord x1 China RoHS
Declaration
Calibration of
Traceable Certificate
Packing Check List
Package Contents
Check the contents before using the 2260B.
11
2260B Series User Manual
Current knob
Output key
Power switch
Voltage knob
USB A port
Display
Cover
panel
Function keys
2260B-80-13, 2260B-30-36 (360W)
Appearance
2260B Front Panel
2260B-80-27, 2260B-30-72 (720W)
12
GETTING STARTED
Function Keys
The Function keys along with the Output key will light up when a key is active.
The Function key is used to configure the power supply.
Set the overcurrent or overvoltage protection levels.
Sets the current and voltage limits.
Used to run customized Test sequence for testing.
Locks or unlocks the panel keys to prevent accidentally changing panel settings.
Toggles the display from viewing V/AV/WA/W.
Display Indicators
Voltage Slew Rate
Constant Voltage Mode
Remote Control Mode
Alarm on
Delay Output
Constant Current Mode
Current Slew Rate
Power bar Indicates the current power output
as a percentage.
VSR
C V
RMT
ALM
DLY
C C
ISR20406080
100
% W
13
2260B Series User Manual
Voltage Knob
Sets the voltage.
Current Knob
Sets the current.
Output
Press to turn on the output. The Output key will light up when the output is active.
USB
The USB A port is used to update the firmware. The firmware can only be updated at a service center.
Power Switch
Used to turn the power on/off.
14
GETTING STARTED
Rear Panel
2260B-80-27, 2260B-30-72 (720W)
2260B-80-13, 2260B-30-36 (360W)
15
2260B Series User Manual
Analog Control Connector
Standard 26 pin MIL connector (OMRON XG4 IDC plug).
The analog control connector is used to monitor current and voltage output, machine status (OVP, OCP, OTP etc.), and for analog control of the current and voltage output.
Use an OMRON XG5 IDC socket as the mating socket.
Output Terminals
Positive (+) and negative (-) output terminals.
Chassis ground
Sense (-) and Sense (+) terminals.
USB B port
The USB B port is used for remote control.
Fans
Temperature controlled fans
Ethernet Port
The Ethernet port is used for remote control and digital monitoring from a PC.
LAN
16
GETTING STARTED
Line Voltage Input
360W models: 2260B-30-36/2260B­80-13
720W models: 2260B-30-72/2260B­80-27
Voltage Input: 100~240 VAC Line frequency: 50Hz/60 Hz
(Automatically switchable)
17
2260B Series User Manual
Background
The 2260B power supplies are regulated DC power supplies with a high voltage and current output. These operate in CC (Constant voltage) or CV(Constant voltage) mode within a wide operating range limited only by the output power.
The operating area of each power supply is determined by the rated output power as well as the voltage and current rating. For example, the operating area and rated power output for the 2260B-30-36 is shown below.
Voltage
Current
30
360W rated power
10
12 36
Operating Area
When the power supply is configured so that the total output (current x voltage output) is less than the rated power output, the power supply functions as a typical constant current, constant voltage power supply.
If however, the power supply is configured such that the total output (current x voltage
Theory of Operation
The theory of operation chapter describes the basic principles of operation, protection modes and important considerations that must be taken into account before use.
Operating Area Description
18
GETTING STARTED
output) exceeds the rated power output, the effective output is actually limited to the power limit of the unit. In this case the output current and voltage then depend purely on the load value.
Below is a comparison of the operating areas of each power supply.
2260B 80V Series Operating Area
Current (A)
Voltage (V)
26.6
4.5 9.0 13.5
80
720W models
360W models
30
45
40205
10
15
25
0
35
0
20
40
60
80
90
27
2260B 30V Series Operating Area
0
5
30
Current (A)
Voltage (V)
10
15
20
25
0 20
40
60
80
100
10
12 24 36
30
35
120
720W Models
360W Models
72
19
2260B Series User Manual
CC and CV mode Description
When the power supply is operating in constant current mode (CC) a constant current will be supplied to the load. When in constant current mode the voltage output can vary, while the current remains constant. When the load resistance increases to the point where the current limit (I
SET
) can no longer be sustained the power supply switches to CV mode. The point where the power supply switches modes is the crossover point.
When the power supply is operating in CV mode, a constant voltage will be supplied to the load, while the current will vary as the load varies. At the point that the load resistance is too low to maintain a constant voltage, the power supply will switch to CC mode and maintain the set current limit.
The conditions that determine whether the power supply operates in CC or CV mode depends on the set current (I
SET
), the set voltage
(V
SET
), the load resistance (RL) and the critical resistance (RC). The critical resistance is determined by V
SET/ISET
. The power supply will operate in CV mode when the load resistance is greater than the critical resistance. This means that the voltage output will be equal to the V
SET
voltage but the current will be
less than I
SET
. If the load resistance is reduced to the point that the current output reaches the I
SET
level, the power supply switches to CC
mode.
CC and CV Mode
20
GETTING STARTED
Conversely the power supply will operate in CC mode when the load resistance is less than the critical resistance. In CC mode the current output is equal to I
SET
and the voltage output is
less than V
SET
.
RL=R
C
RL<R
C
VSET
ISET
CV
CC
V
I
RL>R
C
Crossover
point
21
2260B Series User Manual
Theory
The 2260B has selectable slew rates for CC and CV mode. This gives the 2260B power supply the ability to limit the current/voltage draw of the power supply. Slew rate settings are divided into High Speed Priority and Slew Rate Priority. High Speed Priority mode disables slew rate settings for CC or CV mode. Slew Rate Priority mode allows for user adjustable slew rates for CC or CV mode. The rising and falling slew rate can be set independently.
Slew rate=
Disabled
Slew rate =
Enabled
Background
The 2260B DC power supplies employ a bleed resistor in parallel with the output terminals.
Power supply
Load
Bleed
resistor
Bleed resistors are designed to dissipate the power from the power supply filter capacitors when power is turned off and the load is disconnected. Without a bleed resistor, power
Slew Rate
Bleeder Control
22
GETTING STARTED
may remain charged on the filter capacitors for some time and be potentially hazardous.
In addition, bleed resistors also allow for smoother voltage regulation of the power supply as the bleed resistor acts as a minimum voltage load.
The bleed resistance can be turned on or off using the configuration settings.
Note
By default the bleed resistance is on. For battery charging applications, be sure to turn the bleed resistance off as the bleed resistor can discharge the connected battery when the unit is off.
Background
On the 2260B, the internal resistance of the power supply can be user-defined in software. (Internal Resistance Setting, page 87). When the internal resistance is set it can be seen as a resistance in series with the positive output terminal. This allows the power supply to simulate power sources that have internal resistances such as lead acid batteries.
Internal Resistance Range
Unit Model
Internal Resistance Range
2260B-30-36
0.000 ~ 0.833Ω
2260B-30-72
0.000 ~ 0.417Ω
2260B-80-13
0.000 ~ 5.926Ω
2260B-80-27
0.000 ~ 2.963Ω
Internal Resistance
23
2260B Series User Manual
OVP
Overvoltage protection (OVP) prevents a high voltage from damaging the load.
OCP
Overcurrent protection prevents high current from damaging the load.
OTP
Overtemperature protection protects the instrument from overheating.
Power Switch Trip
When the Power Switch Trip configuration setting is enabled, the power supply will automatically shut down when a protection setting has been tripped (OCP, OVP, OTP).
Alarm output
Alarms are output via the analog control connector. The alarm output is an isolated open-collector photo coupler output.
Alarms
The 2260B power supplies have a number of protection features. When one of the protection alarms are set, the ALM icon on the display will be lit. For details on how to set the protection modes, please see page 43.
24
GETTING STARTED
Inrush current
When the power supply switch is first turned on, an inrush current is generated. Ensure there is enough power available for the power supply when first turned on, especially if a number of units are turned on at the same time.
Caution
Allow at least 15 seconds between cycling the power. Cycling the power on and off quickly can cause the inrush current limiting circuit to fail as well as reduce the working life of the input fuse and power switch.
Pulsed or Peaked loads
When the load has current peaks or is pulsed, it is possible for the maximum current to exceed the mean current value. The 2260B power supply ammeter only indicates mean current values, which means for pulsed current loads, the actual current can exceed the indicated value. For pulsed loads, the current limit must be increased, or a power supply with a greater capacity must be chosen. As shown below, a pulsed load may exceed the current limit and the indicated current on the power supply ammeter.
Considerations
The following situations should be taken into consideration when using the power supply.
25
2260B Series User Manual
Current limit
level
Measured
Ammeter
current
Reverse Current: Regenerative load
When the power supply is connected to a regenerative load such as a transformer or inverter, reverse current will feed back to the power supply. The 2260B power supply cannot absorb reverse current. For loads that create reverse current, connect a resistor in parallel to the power supply to bypass the reverse current. This description only applies when the bleed resistance is off.
Power Supply
Load
Resistor
Reverse current
Note
The current output will decrease by the amount of current absorbed by the resistor.
Ensure the resistor used can withstand the power capacity of the power supply/load.
26
GETTING STARTED
Reverse Current: Accumulative energy.
When the power supply is connected to a load such as a battery, reverse current may flow back to the power supply. To prevent damage to the power supply, use a reverse-current­protection diode in series between the power supply and load.
Power supply
Load
Diode
CAUTION
Ensure the reverse withstand voltage of the diode is able to withstand 2 times the rated output voltage of the power supply and the forward current capacity can withstand 3 to 10 times the rated output current of the power supply.
Ensure the diode is able to withstand the heat generated in the following scenarios.
When the diode is used to limit reverse voltage, remote sensing cannot be used.
27
2260B Series User Manual
Floating
As the output terminals are floating, the load and all load cables must have an insulation capacity that is greater than the isolation voltage of the power supply.
Power
Supply
Load
Ext-V
Ext-R
Analog
connector
( ) Insulation capacity ≥ isolation voltage
of power supply
WARNING
If the insulation capacity of the load and load cables is not greater than the isolation voltage of the power supply, electric shock may occur.
Grounding
The output terminals of the 2260B power supplies are isolated with respect to the protective grounding terminal. The insulation capacity of the load, the load cables and other connected devices must be taken into consideration when connected to the protective ground or when floating.
28
GETTING STARTED
Grounded output terminal
If the positive or negative terminal is connected to the protective ground terminal, the insulation capacity needed for the load and load cables is greatly reduced. The insulation capacity only needs to be greater than the maximum output voltage of the power supply with respect to ground.
Load
Ext-V Ext-R
Analog
connector
( ) Insulation capacity ≥ voltage of power
supply with respect to ground
Power
Supply
CAUTION
If using external voltage control, do not ground the external voltage terminal as this will create a short circuit.
29
2260B Series User Manual
Set Up .......................................................................... 31
Filter Installation ...................................................................................................... 31
Power Up .................................................................................................................. 32
Wire Gauge Considerations .................................................................................... 33
Output Terminals .................................................................................................... 34
Using the Output Terminal Cover ........................................................................ 36
Using the Rack Mount Kit ..................................................................................... 37
How to Use the Instrument ................................................................................... 38
Reset to Factory Default Settings .......................................................................... 40
View System Version and Build Date ................................................................... 41
Basic Operation ............................................................ 43
Setting OVP/OCP Levels ...................................................................................... 43
Set to CV Mode ....................................................................................................... 45
Set to CC Mode ........................................................................................................ 48
Display Modes .......................................................................................................... 51
Panel Lock ................................................................................................................ 52
Remote Sense ........................................................................................................... 53
Parallel / Series Operation ........................................... 56
Master-Slave Parallel Overview.............................................................................. 57
Master-Slave Parallel Connection .......................................................................... 60
Master-Slave Parallel Operation ............................................................................. 62
Master-Slave Series Overview ................................................................................ 65
Master-Slave Series Connection ............................................................................. 67
Master-Slave Series Operation ............................................................................... 68
OPERATION
30
OPERATION
Set Up
Filter Installation
Background
Steps
The 2260B has a small filter that must first be inserted under the control panel before operation. The small filter must be inserted for all model types (360W models/720W models).
1. Insert the small filter in the open area under
the control panel.
2. The unit is now ready to power up.
31
2260B Series User Manual
Steps
1. Connect the power cord to
the rear panel socket.
2. Press the POWER key. If used for the first time,
the default settings will appear on the display, otherwise The 2260B recovers the state right before the power was last turned OFF.
For default configuration settings, see page 136.
CAUTION
The power supply takes around 8 seconds to fully turn on and shutdown.
Do not turn the power on and off quickly. Please wait for the display to fully turn off.
V
A
Power Up
32
OPERATION
Background
Before connecting the output terminals to a load, the wire gauge of the cables should be considered.
It is essential that the current capacity of the load cables is adequate. The rating of the cables must equal or exceed the maximum current rated output of the instrument.
Recommended wire gauge
Wire Gauge
Maximum Current
20
2.5A
18
4A 16
6A 14
10A 12
16A
10
21A
8 36A 6
61A 4
97A
Wire Gauge Considerations
33
2260B Series User Manual
Background
Before connecting the output terminals to the load, first consider whether voltage sense will be used, the gauge of the cable wiring and the withstand voltage of the cables and load.
The output terminals can be connected to load cables using M4 sized screws or M8 sized bolts.
WARNING
Dangerous voltages. Ensure that the power to the instrument is disabled before handling the power supply output terminals. Failing to do so may lead to electric shock.
Steps
1. Turn the power switch off.
2. Remove the output terminal cover.
Page 36
3. If necessary, screw the chassis
ground terminal to either the positive or negative terminal. See the grounding chapter for details.
Page 28
Sense joining plates
Ground
4. Choose a suitable wire gauge for
the load cables.
Page 33
Output Terminals
34
OPERATION
5. Choose a suitable crimp for the terminals.
6. If using voltage sense, remove the
sense terminal joining plates and connect sensing wires to the load(s).
Page 53
7. Connect the positive load cable to the positive
output terminal and the negative cable to the negative output terminal.
8. Reattach the output terminal
cover.
Page 36
Connection without sense wiring
Using M4 screws
Positive
potential
Negative
potential
Using M8 bolts
Positive
potential
Negative potential
Connection with sense wiring
Using M4 screws
Sense -
Sense +
Using M8 bolts
Sense -
Sense +
35
2260B Series User Manual
Steps
1. Remove the screw holding the top cover to the
bottom cover.
2. Line-up the bottom cover with the notches in
the output terminals.
3. Place the top terminal cover over the bottom
cover.
Details
2
3
1
4. Use your thumb to slide the terminal covers
shut, as shown in the diagram below.
5. When the top and bottom covers are flush, re-
insert the screw that was removed in step 1.
4
5
Using the Output Terminal Cover
36
OPERATION
Removal
Reverse the procedure to remove the terminal covers.
Background
The 2260B series has an optional Rack Mount Kit that can be used to hold 6x 360W models, 3x 360W models or a combination of all models.
Rack mount example
360W models X6 units
Using the Rack Mount Kit
37
2260B Series User Manual
Background
The 2260B power supplies use a novel method of configuring parameter values only using the Voltage or Current knobs. The knobs are used to quickly edit parameter values at 0.01, 0.1 or 1 unit steps at a time.
When the user manual says to set a value or parameter, use the steps below.
Example
Use the Voltage knob to set a voltage of 10.05 volts.
6. Repeatedly press the Voltage knob
until the last digit is highlighted. This will allow the voltage to be edited in 0.01 volt steps.
7. Turn the Voltage knob till 0.05
volts is shown.
Voltage
V
A
→
V
A
8. Repeatedly press the Voltage knob until the
first digit is highlighted. This will allow the voltage to be edited in 1 volt steps.
9. Turn the Voltage knob until 10.05 is shown.
Voltage
How to Use the Instrument
38
OPERATION
V
A
→
V
A
Note
Notice the Set key becomes illuminated when setting the current or voltage.
If the Voltage or Current knobs are unresponsive, press the Set key first.
39
2260B Series User Manual
Background
The F-88 configuration setting allows the 2260B to be reset back to the factory default settings. See page 136 for the default factory settings.
Steps
1. Press the Function key. The
Function key will light up.
2. The display should show F-
01 on the top and the configuration setting for F-01 on the bottom.
3. Rotate the Voltage knob to change
the F setting to F-88 (Factory Set Value).
Voltage
4. Use the Current knob to set the
F-88 setting to 1 (Return to factory settings).
Currnet
5. Press the Voltage knob to confirm.
ConF will be displayed when successful.
6. Press the Function key again to
exit. The function key light will turn off.
Voltage
Reset to Factory Default Settings
40
OPERATION
Background
The F-89 configuration setting allows you to view the 2260B version number, build date, keyboard version, analog-control version and kernel build.
Steps
1. Press the Function key. The
Function key will light up.
2. The display should show F-
01 on the top and the configuration setting for F-01 on the bottom.
3. Rotate the Voltage knob to change
the F setting to F-89 (Show Version).
4. Rotate the Current knob to view
the version and build date for the various items.
Current
F-89
0-XX: Main Program Version 1-XX: Main Program Version 2-XX: Main Program Build On-Year. 3-XX: Main Program Build On-Year. 4-XX: Main Program Build On-Month. 5-XX: Main Program Build On-Day. 6-XX: Keyboard CPLD version. 7-XX: Keyboard CPLD version. 8-XX: Analog CPLD version. 9-XX: Analog CPLD version. A-XX: Reserved. B-XX: Reserved. C-XX: Kernel Build On-Year. D-XX: Kernel Build On-Year.
View System Version and Build Date
41
2260B Series User Manual
E -XX: Kernel Build On-Month. F-XX: Kernel Build On-Day.
5. Press the Function key again to
exit. The function key light will turn off.
Example
Main Program Version: V01.09, 2011/08-01
0-01: Main Program Version 1-09: Main Program Version 2-20: Main Program Build On-Year. 3-11: Main Program Build On-Year. 4-08: Main Program Build On-Month. 5-01: Main Program Build On-Day.
Example
Keyboard CPLD Version: 0x030c
6-03: Keyboard CPLD Version. 7-0c: Keyboard CPLD Version.
Example
Analog CPLD Version: 0x0421
8-04: Analog CPLD Version. 9-21: Analog CPLD Version.
Example
Kernel Version: 2011/05/22
C-20: Kernel Build On-Year. D-11: Kernel Build On-Year. E-05: Kernel Build On-Month. F-22: Kernel Build On-Day.
42
OPERATION
The OVP level has a selectable range of 10% to 110% of the rated output voltage. The OCP level has a selectable range 10%~ 110% of the rated output current, alternatively the OCP level can also be turned off. The OVP and OCP level is set to 110% by default.
When one of the protection measures are on, ALM is shown on the panel display. By default, the power switch will turn off when any of the protection levels are tripped.
ALM
V
A
Basic Operation
This section describes the basic operations required to operate the power supply.
Setting OVP/OCP → from page 43 CV mode → from page 45 CC mode → from page 48 Display modes → page 51 Panel lock → page 52 Remote sensing → from page 53
Before operating the power supply, please see the Getting Started chapter, page 7.
Setting OVP/OCP Levels
43
2260B Series User Manual
Before setting the OVP or OCP level:
Ensure the load is not connected. Ensure the output is set to off.
Steps
1. Press the OVP/OCP key. The
OVP/OCP key lights up.
2. The OVP setting will be displayed on the top
and the OCP setting (or OFF) will be displayed on the bottom.
V
A
OVP Setting
OCP Setting
OVP Level
3. Use the Voltage knob to set the
OVP level.
Voltage
Range
10%~110% of rated output voltage.
OCP Level
4. Use the Current knob to set the
OCP level.
Current
Range
10%~110% of rated output current, OFF.
5. Press OVP/OCP again to exit. The
OVP/OCP indicator will turn off.
Power switch trip
Set F-95 (Power switch trip) to 1 (to disable the power switch trip) or to 0 (to enable the power switch trip) and save.
Page 96
F-95
1 (Disable) or 0 (Enable)
44
OPERATION
Clear OVP/OCP protection
The OVP or OCP protection can be cleared after it has been tripped by holding the OVP/OCP button for 2 seconds. (Only applicable when the power switch trip setting is disabled [F-95 = 1])
(hold) Background
Before setting the power supply to CV mode, ensure:
The output is off. The load is connected.
Steps
1. Press the Function key. The
Function key will light up.
2. The display should show F-
01 on the top and the configuration setting for F-01 on the bottom.
3. Rotate the Voltage knob to change
the F setting to F-03 (V-I Mode Slew Rate Select).
Voltage
Set to CV Mode
When setting the power supply to constant voltage mode, a current limit must also be set to determine the crossover point. When the current exceeds the crossover point, the mode switches to CC mode. For details about CV operation, see page 18. CC and CV mode have two selectable slew rates: High Speed Priority and Slew Rate Priority. High Speed Priority will use the fastest slew rate for the instrument while Slew Rate Priority will use a user-configured slew rate.
45
2260B Series User Manual
4. Use the Current knob to set the F-
03 setting.
Set F-03 to 0 (CV High Speed Priority) or 2 (CV Slew Rate Priority).
Current
F-03
0 = CV High Speed Priority 2 = CV Slew Rate Priority
5. Press the Voltage knob to save the
configuration setting. ConF will be displayed when successful.
6. If CV Slew Rate Priority was chosen as the
operating mode in steps 3~5, set F-04 (Rising Voltage Slew Rate) and F-05 (Falling Voltage Slew Rate) and save.
F-04 / F-05
0.1V/s~60V/s (2260B-30-XX)
0.1V/s~160V/s (2260B-80-XX)
7. Press the Function key again to exit
the configuration settings. The function key light will turn off.
8. Use the Current knob to set the
current limit (crossover point). Push in the knob to highlight a digit. Turn the knob to the desired digit to adjust. Rotate the knob to the desired current.
Current
Voltage
46
OPERATION
9. Use the Voltage knob to set the
voltage. Push in the knob to highlight a digit. Turn the knob to the desired digit to adjust. Rotate the knob to the desired voltage.
Voltage
Note
Notice the Set key becomes illuminated when setting the current or voltage. If the Voltage or Current knobs are unresponsive, press the Set key first.
10. Press the Output key. The Output
key becomes illuminated.
C V
% W
V
A
CV and the Power Bar
will become illuminated
(top left & center)
20 40 60 80 100 % W
Note
Only the voltage level can be altered when the output is on. The current level can only be changed by pressing the Set key.
47
2260B Series User Manual
Background
Before setting the power supply to CC mode, ensure:
The output is off. The load is connected.
Steps
1. Press the Function key. The
Function key will light up.
2. The display should show F-
01 on the top and the configuration setting for F-01 on the bottom.
3. Rotate the Voltage knob to change
the F setting to F-03 (V-I Mode Slew Rate Select).
Voltage
4. Use the Current knob to set the F-
03 setting.
Set F-03 to 1 (CC High Speed Priority) or 3 (CC Slew Rate Priority) and save.
Current
Set to CC Mode
When setting the power supply to constant current mode, a voltage limit must also be set to determine the crossover point. When the voltage exceeds the crossover point, the mode switches to CV mode. For details about CC operation, see page 18. CC and CV mode have two selectable slew rates: High Speed Priority and Slew Rate Priority. High Speed Priority will use the fastest slew rate for the instrument while Slew Rate Priority will use a user-configured slew rate.
48
OPERATION
F-03
1 = CC High Speed Priority 3 = CC Slew Rate Priority
5. Press the Voltage knob to save the
configuration setting. ConF will be displayed when successful.
6. If CC Slew Rate Priority was chosen as the
operating mode, set F-06 (Rising Current Slew Rate) and F-07 (Falling Current Slew Rate) and save.
F-06 / F-07
0.01A/s~72.00A/s (2260B-30-36)
0.01A/s~144.0A/s (2260B-30-72)
0.01A/s~27.00A/s (2260B-80-13)
0.01A/s~54.00A/s (2260B-80-27)
7. Press the Function key again to exit
the configuration settings. The function key light will turn off.
8. Use the Voltage knob to set the
voltage limit (crossover point). Push in the knob to highlight a digit. Turn the knob to the desired digit to adjust. Rotate the knob to the desired voltage.
Voltage
9. Use the Current knob to set the
current. Push in the knob to highlight a digit. Turn the knob to the desired digit to adjust. Rotate the knob to the desired current.
Current
Voltage
49
2260B Series User Manual
Note
Notice the Set key becomes illuminated when setting the current or voltage. If the Voltage or Current knobs are unresponsive, press the Set key first.
10. Press the Output key. The Output
key becomes illuminated.
% W
V
A
C C
% W
20 40 60 80 100
CC and the Power Bar
will become illuminated
(bottom left & center)
Note
Only the current level can be altered when the output is on. The voltage level can only be changed by pressing the Set key.
50
OPERATION
Steps
1. Press the PWR/DSPL key. The
PWR DSPL key lights up.
2. The display changes to voltage and power
(V/W).
3. To switch between displaying A/W and V/W,
simply press the corresponding Voltage or Current knob.
For example: when in A/W mode, press the Voltage knob to display V/W. Conversely when in V/W mode, press the Current knob to display A/W.
Voltage
Current
When V/W is displayed, the Voltage knob
can still be used to change the voltage level.
When A/W is displayed, the Current knob
can still be used to change the current level.
Exit
Press the PWR/DSPL key again to return to normal display mode. The PWR DSPL light will turn off.
VWV
W
A
Display Modes
The 2260B power supplies allow you to view the output in three different modes: voltage and current, voltage and power or current and power.
51
2260B Series User Manual
Activate the panel lock
Press the Lock/Local key to active the panel lock. The key will become illuminated.
Disable the panel lock
Hold the Lock/Local key for ~3 seconds to disable the panel lock. The Lock/Local light turns off.
Panel Lock
The panel lock feature prevents settings from being changed accidentally. When activated, the Lock/Local key will become illuminated and all keys and knobs except the Lock/Local key and Output key (if active) will be disabled.
If the instrument is remotely controlled via the USB/LAN interface, the panel lock is automatically enabled.
52
OPERATION
WARNING
Ensure the output is off before connecting any sense cables.
Use sense cables with a voltage rating exceeding the isolation voltage of the power supply.
Never connect sensing cables when the output is on. Electric shock or damage to the power supply could result.
Note
Be sure to remove the Sense joining plates so the units are not using local sensing.
Single Load
1. Connect the Sense+ terminal to the positive
potential of the load. Connect the Sense­terminal to the negative potential of the load.
Output
Sense
Sense
Power Supply
Output
Load Input Input
Page 34
2. Operate the instrument as normal.
See the Basic Operation chapter for details.
Page 40
Remote Sense
Remote sense is used to compensate for the voltage drop seen across load cables due to the resistance inherent in the load cables. The remote sense terminals are connected to the load terminals to determine the voltage drop across the load cables.
Remote sense can compensate up to 0.6 volts (compensation voltage). Load cables should be chosen with a voltage drop less than the compensation voltage.
53
2260B Series User Manual
Parallel 2260B Units
1. Connect the Sense+ terminals to the positive
potential of the load. Connect the Sense­terminals to the negative potential of the load.
Output
Sense
Sense
Power
supply #2
Output
Output
Sense
Sense
Power supply #1
Output
Load Input Input
Page 34
2. Operate the instrument as normal.
See the Parallel Operation chapter for details.
Page 57
Serial 2260B Units
1. a. Connect the 1
st
Sense+ terminal to the
positive potential of the load.
b. Connect the 1st Sense- terminal to the positive output terminal of the second 2260B unit.
c. Connect the 2nd Sense+ terminal to the positive terminal of the second 2260B unit.
d. Connect the 2nd Sense- terminal to negative terminal of the load.
54
OPERATION
Power
supply #2
a
b
c
d
Load Input Input
Output
Sense
Sense
Power
supply #1
Output
Output
Sense
Sense
Output
Page 34
2. Operate the instrument as normal.
See the Serial Operation chapter for details.
Page 65
Wire Shielding and Load line impedance
To help to minimize the oscillation due to the inductance and capacitance of the load cables, use an electrolytic capacitor in parallel with the load terminals.
To minimize the effect of load line impedance use twisted wire pairing.
Power
supply
Load
s s
Twisted pair
Capacitor
55
2260B Series User Manual
Parallel / Series Operation
This section describes the basic operations required to operate the power supply in series or parallel. Operating the 2260B power supplies in parallel increases the total power output of the power supply units. When used in series, the total output voltage of the power supplies can be increased.
The number of the power supplies that can be connected in series or parallel depends on the model and the mode:
Series Mode: 2 units maximum Parallel Mode: 3 units maximum
To use the power supplies in series or parallel, units must be used in a Master-Slave configuration. In the master-slave configuration a
“master” power supply controls any other connected “slave”
power supplies.
Master-Slave Parallel overview → from page 57 Parallel connection → from page 60 Parallel operation → from page 62 Master-Slave Series overview → page 65 Series connection → page 67 Series operation → from page 68
Before operating the power supply, please see the Getting Started chapter, page 7.
56
OPERATION
Background
When connecting the 2260B power supplies in parallel, up to 3 units can be used in parallel and all units must be of the same model.
When the units are used in parallel, a number of precautions and limitations apply. Please read this overview before operating the power supplies in parallel.
Master
Load
Ext-V Ext-R
Slave
VMON
IMON
Slave
Limitations
Display
Only the master unit will display the voltage
and current.
Master-Slave Parallel Overview
57
2260B Series User Manual
OVP/ OCP
The master unit can shut down slave units
when OVP/OCP is tripped on the master unit (if the slave connector is wired for shut down on alarm).
OVP/OCP can be independently tripped on
each slave unit, however the shutdown of the power or output of the unit is disabled. Only the alarm will be enabled.
Remote monitoring
Voltage monitoring (VMON) and current
monitoring (IMON) are only supported on the master unit.
The IMON current represents the total
current of the all the parallelized units.
Remote Sense
Please see the remote sense chapter for
details, page 53.
External Voltage and Resistance Control
Voltage/Resistance controlled remote
control can only be used with the master unit.
58
OPERATION
Slew Rate
Only the master unit’s current or voltage
slew rate settings apply.
The settable current slew rate is double or
triple that of a single unit, depending on the number of units that are used in parallel. For example: The 2260B-30-36 has a maximum settable current slew rate of 72A/S. When two 2260­30-36 units are used in parallel, the maximum settable slew rate setting is 144A/S.
Internal Resistance
Only the master unit’s internal resistance
settings apply.
For 2 units in parallel, the internal resistance
is actually half of the setting value.
For 3 units in parallel, the internal resistance
is actually a third of the setting value.
Bleeder Control
The master unit is used to control the bleeder
settings. The bleeder resistors in all the slave units are always turned off when in parallel mode.
Output Voltage/ Output Current
Model
Single unit
2 units
3 units
2260B-30-36
30V
30V
30V
36A
72A
108A
2260B-80-13
80V
80V
80V
13.5A
27A
40.5A
2260B-30-72
30V
30V
30V
72A
144A
216A
2260B-80-27
80V
80V
80V 27A
54A
81A
59
2260B Series User Manual
Master-Slave Connector
The Analog Control Connector is used for both serial and parallel connections. The way the connector is configured determines the behavior of the master and slave units. For the complete connector pin assignment, see page
99.
Analog Connector Connection
To operate the power supplies in parallel, connect the analog connectors on the master and slave units as shown in the diagrams below.
Master with 2 slave units:
121314
15172021
24 20 12
17 15 3 17 15
312
24 20
11 1
2
1
OUTPUT ON STATUS21
Master unit
ALM STATUS20
STATUS COM17
FEEDBACK15
CURRENT_SUM_113
SHUTDOWN12
OUT ON/OFF CONT24
Slave Unit 1
12 SHUTDOWN
20 ALM STATUS
15 FEEDBACK
3 CURRENT SUM OUT
Slave Unit 2
OUT ON/OFF CONT24
12 SHUTDOWN
17 STATUS COM 17 STATUS COM
2 D COM
15 FEEDBACK
CURRENT_SUM_2 CURRENT SUM OUT314
20 ALM STATUS
11 1 1I MON CURRENT SHARE CURRENT SHARE
Master-Slave Parallel Connection
60
OPERATION
Master with 1 slave unit:
2
12
1315172021
24 20 12
17 15 3
23
OUTPUT ON STATUS21
Master unit
ALM STATUS20
STATUS COM17
FEEDBACK15
CURRENT_SUM_113
SHUTDOWN12
OUT ON/OFF CONT24
Slave Unit 1
12 SHUTDOWN
20 ALM STATUS
15 FEEDBACK
3 CURRENT SUM OUT
17 STATUS COM
2 D COM
11 1I MON CURRENT SHARE
11 1
Parallel Output Connection
-
+
Load
Master
unit
Slave unit 2
Slave unit 1
Steps
1. Ensure the power is off on all power supplies.
2. Choose a master and a slave unit(s).
3. Connect the analog connectors for the master
and slave unit as shown above.
4. Remove the Output Terminal
covers and the protection dummy plug from the analog control connector.
Page 36
61
2260B Series User Manual
5. Connect the master and slave unit in parallel as
shown above.
6. Reattach the terminal covers.
Page 36
Note
Ensure the load cables have sufficient current capacity.
Page 33
Re-attach the protection dummy plug when not in use.
Master-Slave Configuration
Before using the power supplies in parallel, the master and slave units need to be configured.
Steps
1. Configure the OVP and OCP
settings for the master unit.
Page 43
2. For each unit, hold the Function
key while turning the power on to enter the power on configuration settings.
3. Configure F-93 (Master/Slave)
setting for each master/slave unit.
Page 96 Unit
F-93
Master (with 1 slave in parallel)
1
Master (with 2 slaves in parallel)
2
Slave unit (parallel slave)
3
4. Cycle the power on the units (reset the power).
Master-Slave Parallel Operation
62
OPERATION
Note
Configuration settings can be checked for both the master and slave units by pressing the Function key and checking F-93.
Only the Master OVP and OCP level is used for over voltage and current protection. Slave OVP and OCP level is disregarded.
OTP works independently for each unit.
Master-Slave Operation
Only operate the power supplies in parallel if the units are configured correctly.
1. Turn on the master and slave units. The slave
unit(s) will show a blank display.
Master unit
Slave units
2. Operation of all units is controlled
via the master unit. Operation of the master unit is the same as for a single unit. See the Basic Operation chapter.
Page 40.
3. Press the Output key to begin.
Caution
Only operate the power supplies in parallel if using units of the same model number.
Only a maximum can be used in parallel.
63
2260B Series User Manual
Note
The panel controls are disabled on slave units, including the output key. On slave units only the Function key can be used to view the current settings.
64
OPERATION
Background
When connecting 2260B power supplies in series, up to 2 units can be used in series and all units must be of the same model.
When the units are used in series, a number of precautions and limitations apply. Please read this overview before operating the power supplies in series.
Master
Load
Ext-V Ext-R
Slave
VMON
IMON
Limitations
Display
Only the master unit will display the current. Master and slave units display the voltage.
The total voltage is the sum of the units.
OVP/OCP
The master unit can shut down the slave unit
when OVP/OCP is tripped on the master unit (if the slave connector is wired for shut down on alarm).
OVP and OCP level is determined by the
master OVP and OCP level. The OVP and OCP level on the slave unit is ignored.
Master-Slave Series Overview
65
2260B Series User Manual
Remote monitoring
Voltage monitoring (VMON) and current
monitoring (IMON) are only supported on the master unit.
The VMON voltage represents the total
voltage of the all the serialized units.
Remote Sense
Please see the remote sense chapter for
details, page 53.
External Voltage and Resistance Control
Voltage/Resistance controlled remote
control can only be used with the master unit.
Slew Rate
The voltage slew rate is actually double that
of the setting slew rate. I.e., A voltage slew rate setting of 60.00V/s is actually 120V/s when in series.
Internal Resistance
Only the master unit’s internal resistance
settings apply.
The internal resistance is actually twice that
of the setting value.
Bleeder Control
The Master unit is used to control the bleeder
settings. The bleeder resistor is always turned on for the slave unit in series mode.
66
OPERATION
Output Voltage/ Output Current
Model
Single unit
2 units
2260B-30-36
30V
60V
36A
36A 2260B-80-13
80V
160V
13.5
13.5A
2260B-30-72
30V
60V
72A
72A
2260B-80-27
80V
160V
27A
27A
Master-Slave Connector
The Analog Control Connector is used for both serial and parallel connections. The way the connector is configured determines the behavior of the master and slave units. For the connector pin assignment, see page 99.
Analog Connector Connection
To operate the power supplies in series, connect the analog connectors on the master and slave unit as shown in the diagram below.
2
12
172021
Master unit
A COM16
OUTPUT ON STATUS21
ALM STATUS20
STATUS COM17
SHUTDOWN12
Slave Unit 1
25 SER SLV IN
20 ALM STATUS
12 SHUTDOWN
2 D COM
24 OUT OFF/ON CONT
2 D COM
24 20 12
17
25
2
16
17 STATUS COM
Master-Slave Series Connection
67
2260B Series User Manual
Series Output Connection
Master unit
Load
+
­Slave unit
Steps
1. Ensure the power is off on both power supplies.
2. Choose a master and slave unit.
3. Connect the analog connectors for the master
and slave unit as shown above.
4. Remove the output terminal cover
and the protection dummy plug from the analog control connector.
Page 36
5. Connect the master and slave unit in series as
shown above.
6. Reattach the terminal cover.
Page 36
Note
Ensure load cables have sufficient current capacity.
Page 33
Re-attach the protection dummy plug when not in use.
Master-Slave Configuration
Before using the power supplies in series, the master and slave units need to be configured.
1. Configure the OVP and OCP
settings for the master unit.
Page 43
Master-Slave Series Operation
68
OPERATION
2. For each unit, hold the Function
key while turning the power on to enter the power on configuration settings.
3. Configure F-93 (Master/Slave)
setting for each master/slave unit.
Page 96 Unit
F-93
Master (local or series operation)
0
Slave unit (series)
4
4. Cycle the power on the units (reset the power).
Note
Configuration settings can be checked for both the master and slave units by pressing the Function key.
Master-Slave Operation
Only operate the power supplies in series if the units are configured correctly.
1. Turn on the master and slave unit. The slave
unit will only show the voltage of its own unit. The master unit will show the combined voltage of both units and the current.
Master unit
Slave unit
V
A
V
69
2260B Series User Manual
2. Operation of all units is controlled
via the master unit. Operation of the master unit is the same as for a single unit. Please see the basic operation chapter for details.
Page 40
3. Press the Output key to begin.
CAUTION
Only operate the power supplies in series if using units of the same model number.
Only a maximum of 2 units can be used in series.
Note
The panel controls are disabled on slave units, including the output key.
70
OPERATION
Test Sequence
This section describes how to use the Utility function to run, load and save test sequences for automated testing. The Utility function is useful if you want to perform a number of tests automatically. The 2260B utility function can store ten test sequences in memory.
Test Sequence File Format→ from page 72 Test Sequence Settings → from page 75 Setting the Test Sequence Settings → from page 76 Load Test Sequence → from page 77 Run Test Sequence → from page 78 Export Test Sequence → from page 79 Remove Test Sequence → from page 80 Test Sequence Error Codes → from page 81
71
2260B Series User Manual
A test sequence file describes a sequence of steps that are output when the test sequence is run. The test sequence file is created on a PC in a *.CSV (comma separated values) format. In a CSV file each field is delimited by a comma.
Each file should be saved as tXXX.csv, where XXX is the save file number 001~010. The save file number is important as it designates which memory slot the test file can be loaded into, see page 77.
Below is an example of a simple test file created in a spreadsheet.
Cycle Step
Start
Cycle Step
End
Cycle
Repeat
Step
number
Time(sec) Voltage (V) Current (A)
Cycle
Header
Step
Header
Time(sec)
Header
Voltage (V)
Header
Current (A)
Header
A test file contains the following fields in the following order:
Line 1:
Cycle Header: This field contains the “Cycle” header text.
Required. Do not remove or alter from this location.
Cycle Repeat: Determines the number of times to repeat a sequence of steps. It has a range of 1~999 or 0|INF. A setting of 1 will pass through the cycle once. A setting of 0 or INF (case insensitive) will repeat the cycle infinitely.
Test Sequence File Format
72
OPERATION
Cycle Step Start: Determines the starting step for the Cycle Repeat field. Range: 1~999. The Cycle Step Start field must be less than the Cycle Step End field.
Cycle Step End: Determines the ending step for the Cycle Repeat field. Range: 2~1000. The Cycle Step End field must be greater than the Cycle Step Start field.
Line 2:
Step Header: This field contains the “Step” header text. Required. Do not remove from this location.
Time(sec) Header: This field contains the “Time(sec)” header text.
Required. Do not remove or alter from this location.
Voltage (V) Header: This field contains the “Voltage (V)” header
text. Required. Do not remove or alter from this location.
Current (A) Header: This field contains the “Current (A)” header
text. Required. Do not remove or alter from this location.
Line 3+:
Step Number: The Step Number field numbers each step in the test function. It has a range of 1~1000. All steps must be
numbered in numerical order. No step number can be “skipped”
between the first and last step.
Time(sec): Designates the duration time of the corresponding step in seconds. It has a range of 0.05 seconds to 20 days. It has a step resolution of 0.05 seconds (50ms). A setting of 0 will skip the step.
Voltage (V): Designates the voltage of the corresponding steps in volts. MIN or MAX can be used to set the voltage to minimum or maximum, respectively.
Current (A): Designates the current of the corresponding steps in amps. MIN or MAX can be used to set the current to minimum or maximum, respectively.
73
2260B Series User Manual
Example:
File: T001.csv
In the example below there are 10 steps in total. As designated by the Cycle fields, steps 3~5 are repeated twice.
In total the steps will run as follows:
Steps 3~5 are repeated twice
Step: 1>2>3>4>5>3>4>5>6>7>8>9>10
Cycle,2,3,5 Step,Time(sec),Voltage (V),Current (A) 1,1,MIN,MIN 2,1,0.05,0.05 3,1,0.1,0.1 4,1,0.15,0.15 5,1,0.2,0.2 6,1,0.25,0.25 7,1,0.3,0.3 8,1,0.35,0.35 9,1,0.4,0.4 10,1,0.45,0.45
74
OPERATION
Test sequence Run
Runs the chosen test sequence from the internal memory. A test sequence must first be loaded into the internal memory before it can be run. See the Utility function “Test Sequence Load”, below.
The test sequence will run as soon as the utility function is started.
T-01
1~10
Test sequence Load
Loads a test sequence from the USB drive to the designated save slot in memory. A test sequence must first be loaded into internal memory before it can be run.
T-02
1~10 (USB2260B)
Test Export
Exports a test sequence from the designated memory save slot to the USB drive.
T-03
1~10 (2260BUSB)
Test sequence Remove
Deletes the chosen test sequence file from the 2260B internal memory.
T-04
1~10
Test Sequence Settings
75
2260B Series User Manual
Steps
The test sequence settings (T-01~T-04) are set with the Utility key.
1. Press the Utility key. The Utility
key will light up.
2. The display will show T-01 on the top and the
memory no. for T-01 on the bottom.
Test Sequence
Setting
Memory
number
3. Rotate the voltage knob to select
below items.
Voltage
Test sequence Run
Test sequence Load
Test sequence Export
Test sequence Remove
T-01
T-02
T-03
T-04
4. Rotate the current knob to choose a
memory slot number.
Current
Range
1~10
5. Press the Voltage knob to complete
the setting.
Voltage
Setting the Test Sequence Settings
76
OPERATION
Exit
Press the Utility key again to exit the Test sequence settings. The Utility key light will turn off.
Overview
Before a test sequence can be run, it must first be loaded into a one of the 10 memory save slots. Before loading a test sequence into memory:
Ensure the test sequence file is placed in the
root directory.
Ensure the file name number corresponds to
the memory number that you wish to save to.
For example: A test sequence file named t001.csv can only be saved to memory number 01, t002.csv can only be saved to memory number 02, and so on.
Steps
1. Insert a USB flash drive into the
front panel USB-A slot. Ensure the flash drive contains a test sequence file in the root directory.
2. Turn on the power. MS (Mass Storage) will be
displayed on the screen after a few seconds if the USB drive is recognized.
Load Test Sequence from USB
77
2260B Series User Manual
Note
If the USB drive is not recognized, check to see that the function settings for F-20 = 1 (page 90). If not, reinsert the USB flash drive.
3. Configure T-02 (Test sequnce
Load) to 1~10 (save memory slot)
Page 76
T-02 range
1~10 (t001 ~t010)
4. The test sequence will now be available in the
memory slot the test sequence was saved to.
Note
Error messages: If you load a file that is not
present on the USB drive “Err 002” will be
displayed on the display.
Overview
A test sequence can be run from one of ten memory slots.
Steps
1. Before a test sequence can be run, it
must first be loaded into one of the 10 memory slots.
Page 77
2. Configure T-01 (Run Test
sequence) to 1~10 (save memory slot)
Page 76
T-01 range
1~10
3. The test sequence will automatically start to
run.
Run Test Sequence
78
OPERATION
Note
Error messages: If you try to run a test sequence
from an empty memory location “Err 003” will be
displayed on the display.
Note
When a test sequence starts to run, there is no way to abort the test sequence. Pressing the Output key has no effect. If you wish to stop a test early, turn the power off.
Overview
The Export test sequence function saves a test sequence file to the root directory of a USB flash drive.
Test Sequence Files will be saved as
tXXX.csv where XXX is the memory number 001~010 from which the test sequence was exported from.
Test Sequence Files of the same name on the
USB flash drive will be written over.
Steps
1. Insert a USB flash drive into the
front panel USB-A slot.
Export Test Sequence to USB
79
2260B Series User Manual
2. Turn on the power. MS (Mass Storage) will be
displayed on the screen after a few seconds if the USB drive is recognized.
Note
If the USB drive is not recognized, check to see that the function settings for F-20 = 1 (page 90). If not, reinsert the USB flash drive.
3. Configure T-03 (Test Sequence
Export) from 0~10 (internal memory slot)
Page 76
T-03 range
1~10
4. The test sequence file will now be copied to the
USB flash drive.
Note
Error messages: If you try to export a test sequence from an empty memory location “Err 003” will be displayed on the display.
Overview
The Remove Test Sequence function will delete a test sequence from the internal memory slot.
Remove Test Sequence
80
OPERATION
Steps
1. Select T-04 (Test Sequence
Remove) and choose which test sequence to remove from the internal memory.
Page 76
T-04 range
1~10
2. The test sequence will be removed from the
internal memory slot.
Note
Error messages: If you try to remove a test sequence from an empty memory location “Err 003” will be displayed on the display.
Overview
The following error code numbers may appear on the display when trying to run a test sequence. Use the error code numbers determine the cause of the error.
For example: If Error # -52 appears on the display, it indicates that one of the Time(sec) fields is over range for the test sequence.
Error #
Details
-1
_SEQ_ERR__FILE_NOT_FOUND
-2
_SEQ_ERR__FILE_IS_TOO_LARGE
-3
_SEQ_ERR__ALLOCATE_MEMORY_ERROR
-4
_SEQ_ERR__OPEN_THE_FILE_ERROR
-5
_SEQ_ERR__READ_DATA_ERROR
-6
_SEQ_ERR__USING
-7
_SEQ_ERR__FORMAT_ERROR
Test Sequence Error Messages
81
2260B Series User Manual
-8
_SEQ_ERR__PARAMETER_DATA_TO_LONG
-10
_SEQ_ERR__CYCLE_START_GREATER_THAN_CYCLE _END
-11
_SEQ_ERR__CYCLE_TIMES_ERROR
-12
_SEQ_ERR__CYCLE_TIMES_OVER_RANGE
-13
_SEQ_ERR__NO_CYCLE_TIMES
-14
_SEQ_ERR__CYCLE_START_ERROR
-15
_SEQ_ERR__CYCLE_START_OVER_RANGE
-16
_SEQ_ERR__NO_CYCLE_START
-17
_SEQ_ERR__CYCLE_END_ERROR
-18
_SEQ_ERR__CYCLE_END_OVER_RANGE
-19
_SEQ_ERR__NO_CYCLE_END
-20
_SEQ_ERR__STEP_DATA_ERROR
-21
_SEQ_ERR__STEP_DATA_OVER_RANGE
-22
_SEQ_ERR__NO_STEP_DATA
-30
_SEQ_ERR__POINT_DATA_ERROR
-31
_SEQ_ERR__START_POINT_GREATER_THAN_END_ POINT
-32
_SEQ_ERR__START_POINT_REPEAT
-33
_SEQ_ERR__END_POINT_REPEAT
-40
_SEQ_ERR__OUTPUT_DATA_ERROR
-50
_SEQ_ERR__TIME_DATA_ERROR
-51
_SEQ_ERR__NEGATIVE_TIME
-52
_SEQ_ERR__TIME_OVER_RANGE
-60
_SEQ_ERR__VOLTAGE_DATA_ERROR
-61
_SEQ_ERR__NEGATIVE_VOLTAGE
-62
_SEQ_ERR__VOLTAGE_TOO_LARGE
-63
_SEQ_ERR__VOLTAGE_TOO_SMALL
-70
_SEQ_ERR__CURRENT_DATA_ERROR
-71
_SEQ_ERR__NEGATIVE_CURRENT
-72
_SEQ_ERR__CURRENT_TOO_LARGE
-73
_SEQ_ERR__CURRENT_TOO_SMALL
82
CONFIGURATION
Configuration ............................................................... 84
Configuration Table ................................................................................................ 84
Normal Function Settings ...................................................................................... 87
USB/GPIB Settings ................................................................................................ 90
LAN Settings ............................................................................................................ 91
System Settings ......................................................................................................... 92
Power On Configuration Settings ......................................................................... 93
Calibration ................................................................................................................. 94
CONFIGURATION
83
2260B Series User Manual
Normal Function Settings
Setting
Setting Range
Output ON delay time
F-01
0.00s~99.99s
Output OFF delay time
F-02
0.00s~99.99s
V-I mode slew rate select
F-03
0 = CV high speed priority 1 = CC high speed priority 2 = CV slew rate priority 3 = CC slew rate priority
Rising voltage slew rate
F-04
0.01V/s~60.00V/s (2260B-30-XX)
0.1V/s~160.0V/s (2260B-80-XX)
Falling voltage slew rate
F-05
0.01V/s~60.00V/s (2260B-30-XX)
0.1V/s~160.0V/s (2260B-80-XX)
Rising current slew rate
F-06
0.01A/s~72.00A/s (2260B-30-36)
0.1A/s~144.0A/s (2260B-30-72)
0.01A/s~27.00A/s (2260B-80-13)
0.01A/s~54.00A/s (2260B-80-27)
Falling current slew rate
F-07
0.01A/s~72.00A/s (2260B-30-36)
0.1A/s~144.0A/s (2260B-30-72)
0.01A/s~27.00A/s (2260B-80-13)
0.01A/s~54.00A/s (2260B-80-27)
Configuration
Configuration of the 2260B power supplies is divided into five different configuration settings: Normal Function, USB/GPIB, LAN, Power ON Configuration, Calibration Settings and System Settings. Power ON Configuration differs from the other settings in that the settings used with Power ON Configuration settings can only be set during power up. The other configuration settings can be changed when the unit is already on. This prevents some important configuration parameters from being changed inadvertently. Power On Configuration settings are numbered F-90 to F-95 and the other configuration settings are numbered F-00 to F-61 and F-88 to F-89.
Configuration Table
Please use the configuration settings listed below when applying the configuration settings.
84
CONFIGURATION
Internal resistance setting
F-08
0.000Ω~0.833Ω (2260B-30-36)
0.000Ω~0.417Ω (2260B-30-72)
0.000Ω~5.926Ω (2260B-80-13)
0.000Ω~2.963Ω (2260B-80-27)
Bleeder circuit control
F-09
0 = OFF, 1 = ON
Buzzer ON/OFF control
F-10
0 = ON, 1 = OFF
USB/GPIB settings
Front panel USB State
F-20
0 = Absent, 1 = Mass Storage
Rear panel USB State
F-21
0 = Absent, 2 = USB-CDC, 3 = GPIB­USB adapter
Rear panel USB mode
F-22
0 = Disable, 1 = GPIB-USB adapter, 2 = USB CDC
GPIB address
F-23
0~30
LAN settings
MAC Address-1
F-30
0x00~0xFF
MAC Address-2
F-31
0x00~0xFF
MAC Address-3
F-32
0x00~0xFF
MAC Address-4
F-33
0x00~0xFF
MAC Address-5
F-34
0x00~0xFF
MAC Address-6
F-35
0x00~0xFF
LAN
F-36
0 = Disable, 1 = Enable
DHCP
F-37
0 = Disable, 1 = Enable
IP Address-1
F-39
0~255
IP Address-2
F-40
0~255
IP Address-3
F-41
0~255
IP Address-4
F-42
0~255
Subnet Mask-1
F-43
0~255
Subnet Mask-2
F-44
0~255
Subnet Mask-3
F-45
0~255
Subnet Mask-4
F-46
0~255
Gateway-1
F-47
0~255
Gateway-2
F-48
0~255
Gateway-3
F-49
0~255
Gateway-4
F-50
0~255
DNS address -1
F-51
0~255
DNS address -2
F-52
0~255
DNS address-3
F-53
0~255
DNS address-4
F-54
0~255
Sockets active
F-57
0 = Disable, 1 = Enable
Web Server active
F-59
0 = Disable, 1 = Enable
85
2260B Series User Manual
Web password active
F-60
0 = Disable, 1 = Enable
Web setting password
F-61
0000~9999
System Settings
Factory Set Value
F-88
0 = Disable 1 = Return to factory settings
Show Version
F-89
0, 1 = Version 2, 3 = Build year 4, 5 = Build month/day 6, 7 = Keyboard CPLD version 8, 9 = Analog-Control CPLD version A, B = Reserved C, D = Kernel build year E, F = Kernel build month/day
Power On Configuration Settings*
CV Control
F-90
0 = Panel control (local) 1 = External voltage control 2 = External resistance control
(Ext-R 10kΩ = Vo, max)
3 = External resistance control
(Ext-R 10kΩ = 0)
CC Control
F-91
0 = Panel control (local) 1 = External voltage control 2 = External resistance control
(Ext-R 10kΩ = Io,max)
3 = External resistance control
(Ext-R 10kΩ = 0)
Power-ON Output
F-92
0 = OFF at startup, 1 = On at startup
Master/Slave
F-93
0 = Master/Local 1 = Master/Parallel1 2 = Master/Parallel2 3 = Slave/Parallel 4 = Slave/Series
External Out Logic
F-94
0 = High ON, 1 = Low ON
Power Switch trip
F-95
0 = Enable , 1 = Disable
Calibration Settings*
Calibration
F-00
0000 ~ 9999
*Note
Power On and Calibration settings can only be set during power up.
86
CONFIGURATION
Output ON Delay Time
Delays turning the output on for a designated amount of time. The Delay indicator will light when the Delay time is not 0.
Note: The Output ON Delay Time setting has a maximum deviation (error) of 20ms.
The Output ON Delay Time setting is disabled when the output is set to external control.
DLY
F-01
0.00s~99.99s
Output OFF Delay Time
Delays turning the output off for a designated amount of time. The Delay indicator will light when the Delay time is not 0.
Note: The Output OFF Delay Time setting has a maximum deviation (error) of 20ms.
The Output OFF Delay Time setting is disabled when the output is set to external control.
DLY
F-02
0.00s~99.99s
Normal Function Settings
87
2260B Series User Manual
V-I Mode
Selects High Speed Priority or Slew Rate Priority for CV or CC mode. The voltage or current slew rate can only be edited if CC/CV Slew Rate Priority is selected. The ISR indicator will be lit for CC Slew Rate Priority and the VSR indicator will be lit for CV Slew Rate Priority.
Note: CC and CV Slew Rate Priority mode are disabled when voltage/current output is set to external control.
ISR
CC Slew Rate priority
VSR
CV Slew Rate priority
F-03
0 = CV high speed priority 1 = CC high speed priority 2 = CV slew rate priority 3 = CC slew rate priority
Rising Voltage Slew Rate
Sets the rising voltage slew rate. Only applicable if V-I Mode is set to CV Slew Rate Priority.
F-04
0.01V/s~60V/s (2260B-30-XX)
0.1V/s~160V/s (2260B-80-XX)
Falling Voltage Slew Rate
Sets the falling voltage slew rate. Only applicable if V-I Mode is set to CV Slew Rate Priority.
F-05
0.01V/s~60V/s (2260B-30-XX)
0.1V/s~160V/s (2260B-80-XX)
88
CONFIGURATION
Rising Current Slew Rate
Sets the rising current slew rate. Only applicable if V-I Mode is set to CC Slew Rate Priority.
F-06
0.01A/s~72.00A/s (2260B-30-36)
0.1A/s~144.0A/s (2260B-30-72)
0.01A/s~27.00A/s (2260B-80-13)
0.01A/s~54.00A/s (2260B-80-27)
Falling Current Slew Rate
Sets the falling current slew rate. Only applicable if V-I Mode is set to CC Slew Rate Priority.
F-07
0.01A/s~72.00A/s (2260B-30-36)
0.1A/s~144.0A/s (2260B-30-72)
0.01A/s~27.00A/s (2260B-80-13)
0.01A/s~54.00A/s (2260B-80-27)
Internal Resistance Settings
Sets the internal resistance of the power supply.
F-08
0.000Ω ~0.833Ω (2260B-30-36)
0.000Ω ~0.417Ω (2260B-30-72)
0.000Ω ~5.926Ω (2260B-80-13)
0.000Ω ~2.963Ω (2260B-80-27)
Bleeder Control
Bleeder control turns ON/OFF the bleeder resistor. Bleeder resistors discharge the filter capacitors after power is turned off as a safety measure.
F-09
0 = OFF, 1 = ON
Buzzer ON/OFF
Turns the buzzer sound on or off. The buzzer is associated with alarm sounds and keypad entry sounds.
F-10
0 = ON, 1 = OFF
89
2260B Series User Manual
Front Panel USB State
Displays the front panel USB-A port state. This setting is not configurable.
F-20
0 = Absent, 1 = Mass Storage
Rear Panel USB State
Displays the rear panel USB-B port state. This setting is not configurable.
F-21
0 = Absent, 2 = USB-CDC, 3 = GPIB-USB adapter
Rear Panel USB Mode
Sets the rear panel USB mode.
F-22
0 = Disable, 1 = GPIB-USB adapter (for 2260B-GPIB-USB), 2 = USB CDC
GPIB Address
Sets the GPIB address.
F-23
0~30
USB/GPIB Settings
90
CONFIGURATION
MAC Address­1~6
Displays the MAC address 1~6. This setting is not configurable.
F-30~F-35
0x00~0xFF
LAN
Turns Ethernet on or off.
F-36
0 = Disable, 1 = Enable
DHCP
Turns DHCP on or off.
F-37
0 = Disable, 1 = Enable
IP Address-1~4
Sets the default IP address. IP address 1~4 splits the IP address into four sections.
(F-39 : F-40 : F-41 : F-42) (0~255 : 0~255 : 0~255 : 0~255)
Subnet Mask 1~4
Sets the subnet mask. The subnet mask is split into four parts.
(F-43 : F-44 : F-45: F-46) (0~255 : 0~255 : 0~255 : 0~255)
Gateway 1~4
Sets the gateway address. The gateway address is split into 4 parts.
(F-47 : F-48 : F-49 : F-50) (0~255 : 0~255 : 0~255 : 0~255)
DNS Address 1~4
Sets the DNS address. The DNS address is split into 4 parts.
(F-51 : F-52 : F-53 : F-54) (0~255 : 0~255 : 0~255 : 0~255)
Sockets active
Enables WebSocket connections.
F-57
0 = Disable, 1 = Enable
Web server active
Turns Web server control on/off.
F-59
0 = Disable, 1 = Enable
LAN Settings
91
2260B Series User Manual
Web Password active
Turns a web password on/off.
F-60
0 = Disable, 1 = Enable
Web Password
Sets the Web password.
F-61
0000 ~ 9999
Factory Set Value
Returns the 2260B to the factory default settings. See page 136 for a list of the default settings.
F-88
0 = Disable, 1 = Return to factory default settings.
Show Version
Displays the 2260B version number, build date, keyboard version, analog-control version and kernel build.
F-89
0, 1 = Version 2, 3 = Build year 4, 5 = Build month/day 6, 7 = Keyboard CPLD version 8, 9 = Analog-Control CPLD version A, B = Reserved C, D = Kernel build year E, F = Kernel build month/day
System Settings
92
CONFIGURATION
CV Control
Sets the constant voltage (CV) control mode between local and external voltage/resistance control. For external voltage control, see page 101 (External Voltage Control of Voltage Output) and page 106 (External Resistance Control of Voltage Output).
F-90
0= Panel control (local) 1 = External voltage control 2 = External resistance control (Ext-R 10kΩ = Vo,max) 3 = External resistance control
(Ext-R 10kΩ = 0)
CC Control
Sets the constant current (CC) control mode between local and external voltage/resistance control. For details on external voltage control, see page 104 (External Voltage Control of Current Output) and 108 (External Resistance Control of Current Output).
F-91
0= Panel control (local) 1 = External voltage control 2 = External resistance control (Ext-R 10kΩ = Io,max) 3 = External resistance control
(Ext-R 10kΩ = 0)
Power-ON Output
Sets the power supply to turn the output on or off at power up.
F-92
0 = OFF at startup, 1 = On at start up
Master/Slave
Sets the power supply as master or slave. See the parallel/series operation for details, page
56.
Power On Configuration Settings
93
2260B Series User Manual
F-93
0 = Master/Local 1 = Master/Parallel1 2 = Master/Parallel2 3 = Slave/Parallel 4 = Slave/Series
External Out Logic
Sets the external logic as active high or low.
F-94
0= High ON, 1 = Low ON
Power Switch Trip
Turns the power off if enabled when the protection settings are tripped.
F-95
1 = Disable, 0 = Enable
Programmable Calibration
The calibration password is used to access the local mode calibration or other special functions. The password used determines which function is accessed. Please see your distributor for details.
F-00
0000 ~ 9999
The normal function settings (F-01~F-61, F­88~F-89) can be easily configured with the Function key.
Ensure the load is not connected. Ensure the output is off.
Note
Function setting F-89 (Show Version) can only be viewed, not edited.
Configuration settings F-90~F-95 cannot be edited in the Normal Function Settings. Use the Power On Configuration Settings. See page 96 for details.
Calibration
Setting Normal Function Settings
94
CONFIGURATION
Steps
1. Press the Function key. The
function key will light up.
2. The display will show F-01
on the top and the configuration setting for F-01 on the bottom.
3. Rotate the Voltage knob to change
the F setting.
Voltage
Range
F-00~ F-61, F-88~F-89
4. Use the Current knob to set the
parameter for the chosen F setting.
Current
5. Press the Voltage knob to save the
configuration setting. ConF will be displayed when successful.
Exit
Press the Function key again to exit the configuration settings. The function key light will turn off.
Voltage
95
2260B Series User Manual
Background
The Power On configuration settings can only be changed during power up to prevent the configuration settings being inadvertently changed.
Ensure the load is not connected. Ensure the power supply is off.
Steps
1. Hold the Function key while
turning the power on.
2. The display will show F-90 on the
top and the configuration setting for F-90 on the bottom.
3. Rotate the Voltage knob to change
the F setting.
Voltage
Range
F-90~ F-95
4. Use the Current knob to set the
parameter for the chosen F setting.
Current
Setting Power On Configuration Settings
96
CONFIGURATION
5. Press the Voltage knob to save the
configuration setting. ConF will be displayed when successful.
Exit
Cycle the power to save and exit the configuration settings.
Voltage
97
Loading...
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use