PLZ-4WL 5
Contents
About PLZ-4WL Series Manual 2
Notations used in this manual 3
Product Overview 3
What Is an Electronic Load? 4
1
Installation and
Preparation
Checking the Package Contents 12
Attachment to the rack adapter 13
Connecting the Power Cord 14
Turning the Power On 15
Turning the POWER switch on 15
When the PLZ-4WL does not start
properly 16
Checking the version 16
Turning the POWER switch Off 16
Load wiring 17
Methods for Ensuring Stable Operation 18
Reducing the load wiring inductance 18
Optimizing the response speed 19
Do not apply excessive voltages to the
load input terminals 20
Match the polarities of the load input
terminals and the DUT terminals 20
Connecting to the Load Input Terminals 21
Remote Sensing 24
2
Basic Functions
Panel Operation Basics 26
Turning the Load On and Off 27
Turning the load on 27
Turning the load off 28
Operation Modes 29
Constant Current Mode (CC mode) 30
Configuring CC mode 30
Configuring CC+CV mode 31
Constant Resistance Mode (CR) 32
Configuring CR mode 32
Configuring CR+CV mode 33
Constant Voltage Mode (CV mode) 34
Configuring CV mode 34
Constant Power Mode (CP mode) 35
Configuring CP mode 35
Switching 36
Setting the switching level 36
Setting the switching interval 37
Turning the switching function on and off
37
Slew Rate 38
Setting procedure 38
Soft Start 39
Short 40
Turning the short function on and off 40
Locking the Keys 41
Switching from Remote Mode to Local Mode
42
3
Advanced Operations
Memory Types 44
ABC Preset Memory 45
Saving settings to ABC preset memory 45
Recalling ABC preset memory entries 46
Setup Memory 47
Saving settings to setup memory 47
Recalling setup memory entries 48
Protection Functions 49
Protection function types 49
Clearing alarms 51
Response Speed 52
Elapsed Time Display and Auto Load-Off
Timer 53
Elapsed time display (Count Time) 53
Auto load-off timer (Cut Off Time) 53
Menu 54
Factory Default Settings (Initialization) 56
4
Sequences
Sequence Function 58
Normal sequences and fast sequences
58
Common Sequence Editing Operations 59
How Normal Sequences Work 60
Editing Steps in a Normal Sequence 62
Adding steps 62
Editing steps 62
Deleting steps 63
Sequence Example (Normal Sequence) 64
Editing program 1 65
Setting the steps of program 1 66
Editing program 2 68
Setting the steps of program 2 69
How Fast Sequences Work 70
Editing steps 72
Sequence Example (Fast Sequence) 74
Editing program 11 75
Setting the steps of program 11 76
Executing, Pausing, and Stopping Sequences
77
Executing sequences 77
Pausing a sequence 77
Stopping a sequence 78
When sequences cannot be executed 78
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