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TEXIO
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LSG-1050H
Instruction Manual
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Programming Manual
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TEXIO LSG-H SERIES, LSG-350H, LSG-175H, LSG-1050H, LSG-2100SH Instruction Manual

LSG-H SERIES

INSTRUCTION MANUAL
ELECTRONIC LOAD
LSG-H SERIES
LSG-350H
LSG-1050H
LSG-2100SH
B71-0488-01

CONTENTS

USING THE PRODUCT SAFELY ························································ Ⅰ-Ⅳ
1. GETTING STARTED ............................................................... 1
1-1. LSG-H Series Introduction ................................................... 1
1-1-1. Model Line Up ........................................................................................... 1
1-1-2. Main Features ........................................................................................... 2
1-2. Accessories ................................................................ ........ 3
1-2-1. Accessories .............................................................................................. 3
1-2-2. Package Contents .................................................................................... 4
1-3. Appearance ......................................................................... 5
1-3-1. Front Panel ............................................................................................... 5
1-3-2. Rear Panel ................................................................................................ 9
1-3-3. Display .................................................................................................... 12
1-4. First Time Use Instructions ................................................ 13
1-4-1. Rack Mount Kits ...................................................................................... 13
1-4-2. Power Up and Self-Test .......................................................................... 15
1-4-3. Load Default Settings.............................................................................. 15
1-4-4. Setting the Date and Time ...................................................................... 16
1-4-5. Load Wiring ............................................................................................. 17
1-4-6. Load Wire Connections ........................................................................... 20
1-4-7. Using the Front Panel Input Terminals.................................................... 21
1-4-8. Using the Rear Panel Input Terminals .................................................... 22
1-4-9. Using the Terminal Cover (PEL -011) ..................................................... 23
1-4-10. Using the Terminal Cover (PEL -013) ................................................... 25
1-4-11. Using the Terminal Cover ..................................................................... 26
1-4-12. Using the Monitor out Cover ................................................................. 27
1-4-13. Remote Sense ...................................................................................... 28
1-4-14. Firmware Update .................................................................................. 29
1-4-15. Conventions .......................................................................................... 30
1-4-16. Help Menu ............................................................................................ 35
2. OPERATION ........................................................................ 36
2-1. Basic Operation ................................................................ 36
2-1-1. CC Mode ................................................................................................. 36
2-1-2. CR Mode ................................................................................................. 38
2-1-3. CR Units ................................................................................................. 39
2-1-4. CV Mode ................................................................................................. 40
2-1-5. CP Mode ................................................................................................. 41
2-1-6. +CV Mode ............................................................................................... 42
2-1-7. Turning on the Load ................................................................ ................ 43
2-1-8. Shorting the Load ................................................................................... 44
2-1-9. Safety Short ............................................................................................ 45
2-1-10. Short Key Configuration ........................................................................ 45
2-1-11. Short Function Enable/Disable ............................................................. 45
2-1-12. Locking the Front Panel Controls .......................................................... 46
2-2. Basic Configuration ........................................................... 47
2-2-1. Select the Switching Function ................................................................. 47
2-2-2. Select the Display Units for Dynamic Mode Levels ................................. 50
2-2-3. Select the Switching Time Configuration for Dynamic Mode .................. 51
2-2-4. Slew Rate ............................................................................................... 52
2-2-5. CV, +CV Mode Response Speed ........................................................... 53
2-2-6. CC, CR and CP Mode Response Speed ................................................ 54
2-3. Advanced Configuration Settings ....................................... 55
2-3-1. Soft Start Setting ..................................................................................... 55
2-3-2. Von Voltage Settings .............................................................................. 56
2-3-2-1. Von Voltage Level ............................................................................ 56
2-3-2-2. Von Voltage Delay ............................................................................ 56
2-3-2-3. Von Voltage Latch ............................................................................ 57
2-3-3. Timer Functions ...................................................................................... 58
2-3-3-1. Count Time ....................................................................................... 58
2-3-3-2. Cut Off Time ..................................................................................... 58
2-3-4. Auto Load Configuration ......................................................................... 59
2-3-5. Load Off (Mode) and Load Off (Range) .................................................. 59
2-4. Step Resolution Configuration ........................................... 60
2-4-1. Cursor Mode Configuration ..................................................................... 60
2-4-2. Step Mode Configuration ........................................................................ 61
2-5. Protection Settings ............................................................ 63
2-5-1. OCP ........................................................................................................ 63
2-5-2. OPP ........................................................................................................ 64
2-5-3. UVP ........................................................................................................ 65
2-5-4. UVP Ring Time ................................................................ ....................... 66
2-5-5. OVP ........................................................................................................ 67
2-5-6. UnReg ..................................................................................................... 68
2-5-7. Para ........................................................................................................ 68
2-5-8. RVP ........................................................................................................ 69
2-6. System Settings ................................................................ 70
2-6-1. Input control settings ................................ ............................................... 70
2-6-2. Sound Settings ....................................................................................... 70
2-6-2-1. Speaker Settings .............................................................................. 70
2-6-2-2. Alarm Tone Settings ......................................................................... 71
2-6-3. Display Settings ...................................................................................... 71
2-6-4. Language Settings .................................................................................. 71
2-6-5. Input / Output Trigger Settings ................................................................ 72
2-6-5-1. Trigger in Delay ................................................................................ 72
2-6-5-2. Trigger Out Width ............................................................................. 72
2-6-6. Measure Average ................................................................................... 72
2-7. Go-NoGo .......................................................................... 73
2-7-1. Setting the Go-NoGo Limits .................................................................... 73
2-7-2. Running a Go-NoGo Test ....................................................................... 74
2-8. Save / Recall .................................................................... 75
2-8-1. File Structure .......................................................................................... 75
2-8-2. File Types ............................................................................................... 76
2-8-3. Saving Files to Internal Memory ............................................................. 77
2-8-4. Saving Files to USB Memory .................................................................. 78
2-8-5. Recalling Files from Internal Memory...................................................... 79
2-8-6. Recalling Files from USB Memory .......................................................... 80
2-8-7. Recall Memory Safety Setting ................................................................. 82
2-8-8. File Utility ................................................................................................ 83
2-8-9. Preset ..................................................................................................... 84
2-8-9-1. Quick Preset Save ............................................................................ 84
2-8-9-2. Quick Preset Recall .......................................................................... 84
2-8-10. Default Settings .................................................................................... 85
2-8-10-1. Factory Default Settings ................................................................. 85
2-8-10-2. User’s Default Setting ..................................................................... 85
3. Function MENU .................................................................... 86
3-1. Function Menu Overview ................................................... 86
3-1-1. Select a Function ................................ .................................................... 86
3-1-2. Turning on the Load with the Selected Function ..................................... 87
3-1-3. Complete Ring Time ............................................................................... 88
3-1-4. NSEQ Timer ........................................................................................... 89
3-2. Program function ............................................................... 90
3-2-1. Program function Overview ..................................................................... 90
3-2-2. Create a Program ................................................................................... 92
3-2-3. Create a Program Chain ......................................................................... 94
3-2-4. Running the Program function ................................................................ 95
3-3. Sequence function ............................................................ 96
3-3-1. Normal Sequence function Overview ...................................................... 96
3-3-2. Timing Edit Configuration ...................................................................... 100
3-3-3. Data Edit Configuration ......................................................................... 101
3-3-4. Running a Normal Sequence function .................................................. 102
3-3-5. Fast Sequence function Overview ........................................................ 103
3-3-6. Timing Edit Configuration ...................................................................... 107
3-3-7. Data Edit Configuration ......................................................................... 108
3-3-8. Running a Fast Sequence function ....................................................... 110
3-4. OCP Test function ............................................................ 111
3-4-1. OCP Test function setting parameters .................................................. 112
3-4-2. OCP Test function setting ..................................................................... 113
3-4-3. Running a OCP Test function ............................................................... 114
3-4-4. Results of OCP Test function ................................................................ 115
3-5. OPP Test function ............................................................ 117
3-5-1. OPP Test function setting parameters .................................................. 118
3-5-2. OPP Test function setting ..................................................................... 119
3-5-3. Running a OPP Test function ............................................................... 120
3-5-4. Results of OPP Test function ................................................................ 121
3-6. BATT Test function ...........................................................123
3-6-1. BATT Test function setting parameters................................................. 125
3-6-2. BATT Test function setting .................................................................... 126
3-6-3. Running a BATT Test function .............................................................. 127
3-6-4. Results of BATT Test function .............................................................. 127
3-6-5. Save the Data for BATT Test function .................................................. 129
4. EXTERNAL CONTROL ........................................................130
4-1. Analog Control .................................................................130
4-1-1. The ports J1 /J3 Overview .................................................................... 130
4-1-1-1. The frame control ports J1 ............................................................. 130
4-1-1-2. The ports J3 .................................................................................... 131
4-1-2. External Voltage Control - Overview ..................................................... 132
4-1-3. External Voltage Control – Operation ................................................... 133
4-1-4. Adjust offset and full scale with variable resistor ................................... 135
4-1-5. External Resistance Control - Overview ............................................... 136
4-1-6. External Resistance Control – Operation .............................................. 137
4-1-7. Adjust offset and full scale with variable resistor ................................... 139
4-1-8. Turning the Load On using External Control ......................................... 140
4-1-9. Load On/Off Status ............................................................................... 141
4-1-10. External Control of the Range ............................................................. 141
4-1-11. I Range Status ................................................................ .................... 142
4-1-12. External Trigger Signal ....................................................................... 142
4-1-13. External Alarm input............................................................................ 143
4-1-14. Alarm Status ....................................................................................... 143
4-1-15. Short Control ....................................................................................... 144
4-1-16. Monitor Signal Output ......................................................................... 145
4-1-16-1. Trigger Signal Output ................................................................... 145
4-1-16-2. Current Monitor Output ................................................................. 145
4-1-16-3. Voltage Monitor Output ................................................................. 146
4-2. Parallel Operation ............................................................147
4-2-1. Capacity of DC electronic loads ............................................................ 147
4-2-2. Connection ............................................................................................ 148
4-2-3. Configuration ........................................................................................ 149
4-2-4. Turning the Load On ............................................................................. 150
4-2-5. Disable Parallel operation ..................................................................... 151
5. REMOTE CONTROL ...........................................................152
5-1. Interface Configuration .....................................................152
5-1-1. Configure to USB Remote Interface...................................................... 152
5-1-2. Configure GP-IB Interface ..................................................................... 153
5-1-3. Configure RS-232C............................................................................... 154
5-1-4. RS-232C/USB Remote Control Function Check ................................... 155
5-1-5. Using RealTerm to Establish a Remote Connection ............................. 155
5-1-6. GP-IB Function Check .......................................................................... 158
6. FAQ ....................................................................................160
7. APPENDIX ..........................................................................161
7-1. Replacing the Dust Filter ..................................................161
7-2. GP-IB Installation .............................................................162
7-3. LSG-H Series Default Settings .........................................163
7-4. Frame Control Connector Contacts ...................................166
7-5. Operating Mode Description .............................................171
7-5-1. CC Mode ............................................................................................... 171
7-5-2. CR Mode ............................................................................................... 172
7-5-3. CP Mode ............................................................................................... 173
7-5-4. CV Mode ............................................................................................... 174
7-6. Operating Area .................................................................175
7-6-1. LSG-175H ................................................................ ............................. 175
7-6-2. LSG-350H ............................................................................................. 176
7-6-3. LSG-1050H ........................................................................................... 177
7-6-4. LSG-2100H ........................................................................................... 178
7-7. LSG-H Series Specifications .............................................179
7-7-1. Rating (Master) ..................................................................................... 179
7-7-2. Rating (Booster) .................................................................................... 179
7-7-3. CC Mode ............................................................................................... 180
7-7-4. CR Mode ............................................................................................... 181
7-7-5. CV Mode ............................................................................................... 182
7-7-6. CP Mode ............................................................................................... 182
7-7-7. Slew Rate ............................................................................................. 183
7-7-8. Meter..................................................................................................... 184
7-7-9. Dynamic Mode ...................................................................................... 185
7-7-10. Soft Start ............................................................................................. 188
7-7-11. Remote Sensing ................................................................................. 188
7-7-12. Protection Function ............................................................................. 188
7-7-13. Sequence ............................................................................................ 189
7-7-14. Other ................................................................................................... 189
7-7-15. Analog External Control ...................................................................... 190
7-7-16. Front Panel BNC Connector ............................................................... 191
7-7-17. General ............................................................................................... 191
7-8. LSG-H Series Dimensions ................................................192
7-8-1. LSG-175H / LSG-350H ......................................................................... 192
7-8-2. LSG-1050H ........................................................................................... 193
7-8-3. LSG-2100SH ........................................................................................ 193
I
USING THE PRODUCT SAFELY
■ Preface
To use the product safely, read this instruction manual to the end. Before using this product, understand how to correctly use it. If you read this manual but you do not understand how to use it, ask us or
your local dealer. After you read this manual, save it so that you can read it
anytime as required.
■ Notes on reading this instruction manual
◆ The contents of this instruction manual include technical terms in part of
their explanation. If you do not understand those terms, do not hesitate to ask us or your local dealer.
■ Pictorial indication and warning character indication
This instruction manual and product show the warning and caution items required to safely use the product. The following pictorial indication and warning character indication are provided.
<Pictorial indication>
Some part of this product or the instruction manual may show This pictorial indication. In this case, if the product is incorrectly used in that part, a serious danger may be brought about on the user's body or the product. To use the part with this pictorial indication, be sure to refer to this instruction manual.
<Warning character
Indication>
WARNING CAUTION
If you use the product, ignoring this indication, you may get killed or seriously injured. This indication shows that the warning item to avoid the danger is provided.
If you incorrectly use the product, ignoring this indication, you may get slightly injured or the product may be damaged. This indication shows that the caution item to avoid the danger is provided.
II
USING THE PRODUCT SAFELY
WARNING
■ Do not remove the product's covers and panels
Never remove the product's covers and panels for any purpose. Otherwise, the user's electric shock or a fire may be incurred.
■ Warning on using the product
The warning items given below are to avoid danger to the user's body and life and avoid the damage and deterioration of the product. Use the product, observing the following warning and caution items.
■ Warning items on power supply
● Power supply voltage
As the rated power supply voltage of the product, the range from 100 to 240 VAC can be used without being switched.
● Power cord
Important: The attached power cord set can be used for this device only.
● Protection fuse If an input protection fuse is blown, the product does not operate. When the fuse is blown, the user can replace it. However, replace it correctly, observing the warning and caution items that are provided in the section of the
instruction manual where the fuse replacement is explained. If the fuse is
incorrectly replaced, a fire may occur.
● Changing the power supply voltage
The rated power supply voltage cannot be changed. Use the product only at the rated power supply voltage indicated on the product. Otherwise, a fire may occur. The product's rated power supply voltage is from 100 to 240 VAC. Use the product in this range. (For use at a voltage higher than 125 VAC, Please confirm the voltage ratings of the power cord.)
■ Warning item on grounding
The product has the GND terminal on the panel surface to protect the user from electric shock and protect the product. Be sure to ground the product to safely use it.
III
USING THE PRODUCT SAFELY
WARNING
■ Warning item on installation environment
● Operating temperature
Use the product within the operating temperature indicated in the rating column. If the product is used with the vents of the product blocked or in high ambient temperatures, a fire may occur.
● Operating humidity Use the product within the operating humidity indicated in the rating column. Watch out for condensation by a sharp humidity change such as transfer to a room with a different humidity. Also, do not operate the product with wet hands. Otherwise, an electric shock or fire may occur.
● Use in a gas Use in and around a place where an inflammable or explosive gas or steam is generated or stored may result in an explosion and fire. Do not operate the product in such an environment.
Also, use in and around a place where a corrosive gas is generated or spreading causes a serious damage to the product. Do not use the product in such an environment.
● Do not let foreig n matter in Do not insert metal and flammable materials into the product from its vent and spill water on it. Otherwise, an electric shock and fire may occur.
■ Warning item on abnormality while in use
If smoke or fire is generated from the product while in use, stop using the product, turn off the switch, and remove the power cord plug from the outlet. After confirming that no other devices catch fire, call the company or each sales office.
■ Front Panel
Please do not lift up the product, while touching the front grille.
IV
USING THE PRODUCT SAFELY
CAUTION
■ Input/output terminal
Maximum input to the input terminals is specified to prevent the product from being damaged. Do not supply input, exceeding the specifications that are indicated in the "Rating" or "Caution on use" column in the
instruction manual of the product. Otherwise, a product failure is caused.
Also, do not supply power to the output terminals from the outside. Otherwise, a product failure is caused.
■ When the product is left unused for a long time
Be sure to remove the power plug from the outlet.
(Calibration)
Although the performance and specifications of the product are checked under strict quality control during shipment from the factory, they may aging rate because of aging rate in its parts. It is recommended to periodically calibrate the product so that it is used with its performance and specifications stable. For consultation about the product calibration, call the dealer or the company or each sales office where you bought the product.
(Daily maintenance)
When you clean off the dirt of the product covers, panels, and knobs, avoid solvents such as thinner and benzene. Otherwise, paint may peel off or the resin surface may be affected. To wipe off the covers, panels, and knobs, use a soft cloth with neutral detergent in it. During cleaning, be careful that water, detergents, and other foreign matters do not get into the product. If a liquid or metal gets into the product, an electric shock and fire are caused. During cleaning, remove the power cord plug from the outlet.
Use the product correctly and safely, observing the above warning and caution items. Because the instruction manual indicates caution items even in individual items, observe those caution items to correctly use the product.
If you have questions or comments about the content of the instruction manual, ask us or E-Mail us.
1

1. GETTING STARTED

This chapter provides a brief overview of the LSG-H Series, the package contents, instructions for first time use and an introduction to the front panel, rear panel and GUI.

1-1. LSG-H Series Introduction

The LSG-H Series is a family of high-performance DC electronic loads positioned to test a wide range of different power sources. The DC electronic loads are fully programmable to simulate anything from basic static loads to complex dynamic loads. With the ability to operate independently or in parallel, the LSG-H Series is extremely robust and capable of molding to any test environment.
Please note that throughout this manual the term “LSG-H Series” refers to any one of the models in the series lineup, unless specifically stated otherwise.

1-1-1. Model Line Up

There are a total of 3 DC electronic load models and 1 booster pack model.
Model
Operating Voltage (DC)
Current
Power
LSG-175H
5V~800V
8.75A
175W
LSG-350H
5V~800V
17.5A
350W
LSG-1050H
5V~800V
52.5A
1050W
Booster Model
Operating Voltage (DC)
Current
Power
LSG-2100SH
5V~800V
105A
2100W
2

1-1-2. Main Features

Performance
High voltage input (800V) High capacity when used in parallel / booster: 875W,43.75A(LSG-175H x 5) 1750W,87.5A(LSG-350H x 5) 5250W, 262.5A (LSG-1050H x 5) 9450W, 472.5A (LSG-1050H + LSG-2100SH x 4) High resolution – 16 bit
Features
7 operating modes: CC, CV, CR, CP, CC+CV, CR+CV, CP+CV Independent and parallel operation Fully programmable with normal and fast sequences Soft start Dynamic mode OCP, OVP and other protection features Remote sense Integrated meter Rack-mountable
Interface
USB, RS-232C and GP-IB External voltage or resistance control Front panel trigger out BNC Front panel voltage/current monitoring BNC Rea panel voltage/current monitoring Analog external control

3

1-2. Accessories 1-2-1. Accessories

Standard Accessories
Part number
Description
Accessories CD-ROM
Instruction manual Programming manual USB driver
Region dependent
Power cord
PEL-011
Load input terminal Cover x1 M3 Screw x1
M3
screw
PEL-012
Terminal fittings: 2 sets of bolts/ nuts /springs /washers (type: M8) Terminal cover x2
M8 x 20
Spring washer Flat washer
M8 nut
61SF-062104N1
Front terminal washers. (M6) x2
PEL-013 (LSG-2100SH only)
Flexible terminal cover:
Velcro
fasteners x4
Rubber
sheeting x2
PEL-014
Frame control connector with strain relief x2.
Strain relief
Connector
GTL-255 (LSG-2100SH only)
Frame Link Cable
4
Optional Accessories
Part number
Description
3813-030D0501
CR123A 3V lithium battery for clock.
GRA-413
Rack mount bracket for booster LSG­2100SH for EIA/JIS
GRA-414-E
Rack mount frame for LSG-175H, LSG-350H, LSG-1050H /EIA
GRA-414-J
Rack mount frame for LSG-175H, LSG-350H, LSG-1050H /JIS
GTL-248
GP-IB cable, 2.0m
GTL-246
USB cable, Type A - Type B
PEL-010
Dust Filter
PEL-004
GPIB option
Options
Part number
Description
PEL-005
Connect Cu Plate
PEL-006
Connect Cu Plate
PEL-007
Connect Cu Plate
PEL-008
Connect Cu Plate

1-2-2. Package Contents

Check the contents before using the instrument.
Opening the box
Contents (single unit)
Main unit Accessories CD Terminal fittings
Power cord x1 (region dependent)

5

1-3. Appearance 1-3-1. Front Panel

LSG-175H / LSG-350H
LSG-1050H
P0
P1
P4
P7
CAL.
P2
P5
P8
Lock
P3
P6
P9
Utility
Local
File
0
1
4
7
2
5
8
3
6
9
EnterClear
Shift
Preset
Load
On/ Off
Main
Help
FUNC
Short
TRIG OUTI MON OUT
5 - 800V
1050W
0 – 52.5A
V MON OUT
LSG-2100SH Booster Pack
LINK STBY
Clear
Shift
Preset
Load
On/
Off
Main
Help
FUNC
Short
V MON OUT
I MON OUT
TRIG OUT
P7
CAL . Utility
Local
File
7 8 9
Enter
175W
5 – 800V
0 – 8.75A
4 5 6
P8
P9
P4
P5
P6
P3
P2
P1
1 2 3
P0
0
LCD Display
Function keys
Power key
FUNC/File
Help/Utility
Short
Load On/Off
Scroll wheel
Number pad
Air inlet
Main/Local
Enter key
Clear key
USB Port
Shift key
Preset key
TRIG
OUT
I MON
OUT
V MON
OUT
Input
terminals
6
Name explanation
Air Inlet (Front grille)
The air inlet has a removable dust filter. Please do not lift up the product, while touching the front grille.
LCD display
3.5-inch LCD display
Function keys
The function keys directly correspond to the soft menus at the bottom of the display.
ON/STBY
Turns the unit on or puts the unit into standby mode. Use the power switch on the rear panel to turn the unit off.
Main/Local
Main
Main: Sets the operating mode: CC, CV, CR, CP mode.
Local (Shift > Main): Puts the instrument back into local mode from remote mode.
FUNC/File
FUNC
FUNC: Sets the program function, sequence function or other special functions.
File (Shift > FUNC): Accesses the file system.
Help/Utility
Help
Help: Access the help menu.
Utility (Shift > Help): Access the utility menu.
Short
Short
Pressing the Short key will simulate shorting the input terminals. The Short key will be lit when active.
Load on/off
Load
On/
Off
Turns the load on or off. The Load On/Off key will be lit when active.
Scroll wheel
Use the scroll wheel to navigate the menu system. Pushing the scroll wheel will toggle between coarse and fine adjustment, or Select digit.
Enter
Press the Enter key to select highlighted menu items.
Utility
Help
Shift
>
File
FUNC
Shift
>
Local
Main
Shift
>
Enter
7
Clear/Lock
Lock
Clear
Clear: Clears the current parameter values.
Lock (Shift + Clear): Locks the front panel keys and selector knob.
Number pad
P0
P1
P4
P7
CAL.
P2
P5
P8
Lock
P3
P6
P9
0
1
4
7
2
5
8
3
6
9
Clear
Number pad: Used to enter numerical values. P0~P9 (Preset + Number keys): Loads one of 10 preset settings.
Shift
Shift
Shift: Used in conjunction with other keys to select secondary functions.
Preset
Preset
Used in conjunction with the number pad to save or load preset settings P0 to P9.
USB Port
USB A port. Used for save and recall functions.
Front panel input terminals
5 - 800V
175W
0 – 8.75A
Negative terminal.
Positive terminal.
8
IMON Out
I MON OUT
Current monitor BNC terminal: Output connector used to monitor the current by outputting a voltage. An output voltage of 10V corresponds to the full scale current for the H and L ranges. 1V corresponds to the full scale current in the M range.
VMON Out
V MON OUT
Voltage monitor BNC terminal: Output connector used to monitor the voltage by outputting a voltage. An output voltage of 8V corresponds to the full scale voltage.
TRIG OUT
TRIG OUT
Trigger out BNC terminal: Outputs a pulse signal during sequence or dynamic operation. The trigger signal has a 4.5V output with a pulse width of a least 2us and an impedance of 500Ω.
LINK/STBY Indicator (LSG-2100H)
LINK STBY
The LINK and STBY indicators indicate when the booster pack is properly connected and when the power has been turned on, respectively.
9

1-3-2. Rear Panel

LSG-175H / LSG-350H
LSG-1050H
LSG-2100SH Booster Pack
Frame control ports
J1, J2
Remote sense
input
Rear panel
input
Exhaust
Power socket
and switch
GP-IB port
USB device port
USB port
RS232C port
Monitor Out ports
J3
Variable
Resistor
10
Name explanation
RS-232C Port GP-IB USB B
The USB B, RS-232C and GP-IB port are used for remote control.
USB B port
RS-232C 9 pin DSUB port.
GP-IB 24 pin female.
Frame control ports J1, J2
FRAME CONT
J 1
J 2
J1: The J1 is assigned to external control. J2: The J2 is used for parallel operation control.
Monitor Out ports J3
J3: The J3 connector is assigned to current and voltage
monitor out.
Variable Resistor
The variable resistors are used to adjust the full scale and offset setting for the input value of the external control sources such as voltage or resistance.
Exhaust fan
The exhaust fan is used to expel the heat from the unit. Please ensure there is at least 20cm distance between any object and the fan.
11
Rear Panel Input terminals
Rear Panel Input Terminals. Electrically connected to the front panel input terminals. Accepts M8 bolts or M4/M3 sized screws. See page 22 (1-4-8. Using the Rear
Panel Input Terminals) for connection details.
Remote Sensing Terminals
Sensing terminals for remote sense. See page 28 (1-4-
11.Remote Sense).
Accepts M3 sized screws.
Power Socket
Power Socket: 100~120V, 200~240V 47~63Hz.
Power Switch
Turns the unit on/off.
USB A
USB A Slave port. USB 1.1/2.0
12

1-3-3. Display

Date
setting area
Operation
status
Measurement area
Mainframe status panel
Soft menus
ModeCCI Range
H 8.75A
V Range
H800V
Function
Static
Configure
0.00
V
0.0000
A
0.00
W
SlewRate 140.00
CC B Value 0.0000
CC A Value 0.0000
LOADRS232
A Value
Fine
01/Oct/2017
mA/us
A
A
panel
Setting area
The setting area is used to display and edit the settings for the current mode / function.
Measurement area
Displays the voltage, current and power values.
Date
Displays the date
Mainframe status panel
The mainframe status panel displays the status of the load, remote control and short function. When an icon is green it indicates that the function is off. When the icon is orange, the function is on.
Operation Status Panel
This status panel is used to display the status of the current mode.
Soft menus
The soft menus are used to select different functions or parameters.
13

1-4. First Time Use Instructions

Use the procedures below when first using the LSG-H Series to install the rack mount kit, power up the instrument, set the internal clock, restore the factory default settings and check the firmware version. Lastly, the Conventions section will introduce you to the basic operating conventions used throughout the user manual.

1-4-1. Rack Mount Kits

Description
The LSG-H Series has a number of rack mount options for installation. The GRA-413 rack mounts are suitable for the LSG-2100SH booster pack. The GRA-414 rack mounts are capable of holding 1x LSG-1050H or 2x LSG­175H/LSG-350H units. For installation details, please see the GRA-413 and GRA-414 Rack Mount Assembly Manual. Please see your distributor for which rack mount is suitable for your application.
GRA-413(For LSG-2100SH)
EIA rack:128 mm JIS rack:149 mm
128
(149)
4
8
2
.
6
5
3
2
.
5
14
GRA-414-E (EIA standard)
132
382
.
5
477. 6
GRA-414-J (JIS standard)
149
3
8
2
.
5
4
7
7
.
6
15

1-4-2. Power Up and Self-Test

Operation
1. Insert the AC power cord into the power socket.
2. Turn the external power switch on. (O → —)
3. If the unit doesn’t turn on, press the On/Standby key for a second. The ON/STBY key will go from standby (red) to on (green).
4. The unit will show the splash screen and then load the settings from when the unit was last powered down.
5. To turn off the power, press the ON/STBY key again for a second.
Note
If the LSG-H Series fails to start up properly or does not turn on, please see your local distributor.

1-4-3. Load Default Settings

Description
When first using the LSG-H Series, recall the factory default settings to ensure the unit is in a known state. See page 163 (7-3. LSG-H Series Default Settings) for a list of the default settings.
Operation Press
Shift
>
File
FUNC
in order,
press Media/Default [F1] or Factory Default [F2] to set.
Media
Default
Factory Default
Save Recall
LOADRS232
A Value
01/Oct/2017
Load Default Setup
CC
8.75A 800V
Static
Recall The Default Settings!
Pressing F2 Again will
Warning!!!
16

1-4-4. Setting the Date and Time

Description
The date and time settings are used to time-stamp files when saving files. The date and time is shown on top of the LCD display.
Operation
Press
Shift
>
Utility
Help
> Time Set [F4] in order,
and set the date and time.
Settings:
Month, Day, Year, Hour, Minute
System
Info
Load Interface Time Set
LOADRS232
01/Oct/2017
Other
0
Hour 9
Year 2017
Minute
Day
Month
1
10
Date/Time
Date
17

1-4-5. Load Wiring

Wire Gauge considerations
Before connecting the unit to a power source, the wire gauge must be taken into account. Load wires must be large enough to resist overheating when a short-circuit condition occurs as well as to maintain a good regulation. The size, polarity and length of a wire are all factors in determining if a wire will withstand short circuiting.
Wires that are selected must be large enough to withstand a short circuit and limit voltage drops to no more than 2V per wire. Use the table below to help make a suitable selection.
AWG Gauge
Conduct or Diameter mm
Ohms / km
Max amps for chassis wiring
0000
11.684
0.16072
380
000
10.4038
0.2027
328
00
9.26592
0.25551
283 0 8.25246
0.32242
245
1
7.34822
0.40639
211
2
6.54304
0.51266
181 3 5.82676
0.64616
158 4 5.18922
0.81508
135
5
4.62026
1.02762
118
6
4.1148
1.29593
101 7 3.66522
1.6341
89 8 3.2639
2.0605
73
9
2.90576
2.59809
64
10
2.58826
3.27639
55
11
2.30378
4.1328
47
12
2.05232
5.20864
41
13
1.8288
6.56984
35
14
1.62814
8.282
32
15
1.45034
10.44352
28
16
1.29032
13.17248
22
17
1.15062
16.60992
19
18
1.02362
20.9428
16
19
0.91186
26.40728
14
20
0.8128
33.292
11
21
0.7239
41.984
9
18
Load Line Inductance Considerations
When using the LSG-H Series load generator, voltage drop and voltage generated due to load line inductance and current change must be taken into account. Extreme changes in voltage may exceed the minimum or maximum voltage limits. Exceeding the maximum voltage limit may damage the LSG-H Series.
To determine the voltage generated, the following equation can be used. E = L x (∆ I / ∆ T)
E= voltage generated L=load line inductance
∆ I= change of current (A) ∆ T= time (us)
Load line inductance (L) can be approximated as 1uH per 1 meter of wire. (∆ I / ∆ T) is the slew rate in A/us.
The diagram above shows how changes in current can affect voltage.
∆ I
Time
Min. V
Current
Voltage
∆ T
Time
E
19
Limiting Load line inductance
Load line inductance can be reduced in two methods.
Method 1
Ensure load wires are as short as possible and twist the positive and negative load wires together.
“Twisted pair” will be shown on any connection diagram
where the load wires should be twisted together.
Method 2
Current change can be limited by limiting the slew rate or response speed when switching in CR and CC mode.
DUT
-
+
Electronic
Load
+
-
Twisted
pair
Power source
DUT
-
+
Electronic
Load
+
-
Power source
20

1-4-6. Load Wire Connections

Description
The LSG-H Series has input terminals on both the front and rear panels. Follow the procedures below for all load connections. Please adhere to the following precautions to ensure your safety and to protect the unit from damage.
Connection
When connecting the LSG-H Series to the power source, make sure that the polarity of the connection between the DUT and the unit matches.
Ensure that the maximum input voltage is not exceeded. The maximum input voltage is 800 volts.
Caution
If the polarity to the input terminals is reversed, the reverse voltage protection function is tripped. The reverse voltage protection function is tripped when reverse voltages greater than about -0.3V are detected.
Warning
Do not touch any of the input terminals when the voltage is applied to an input terminal.
Warning
Connecting the input terminals to the wrong polarity can damage the power source or the LSG-H Series.
Warning
The front panel and rear panel input terminals are physically connected. Any voltage that is input to one set of terminals will also appear on the other set of terminals.
DUT
-
+
Electronic
Load
+
-
Power source
Power source
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