KEPCO EL Series Electronic Load Operator Manual P/N 243-1295 Firmware Version 3.12 (Unit Rev 2) - Manual (Page 3)

SERIES EL 020498
i
TABLE OF CONTENTS
SECTION PAGE
SECTION 1 - INTRODUCTION
1.1 Scope of Manual......................................................................................................................................... 1-1
1.2 Introduction ................................................................................................................................................. 1-1
1.3 General Description .................................................................................................................................... 1-1
1.4 Operating Modes ........................................................................................................................................ 1-3
1.4.1 CI (Constant Current). ............................................................................................................................. 1-3
1.4.2 CV (Constant Voltage) ............................................................................................................................ 1-3
1.4.3 CP (Constant Power) .............................................................................................................................. 1-3
1.4.4 CR (Constant Resistance)....................................................................................................................... 1-3
1.4.5 CS (Constant Conductance) ................................................................................................................... 1-3
1.4.6 Short........................................................................................................................................................ 1-3
1.4.7 Off............................................................................................................................................................ 1-3
1.5 Features...................................................................................................................................................... 1-3
1.5.1 Local Control ........................................................................................................................................... 1-3
1.5.2 Remote Control ....................................................................................................................................... 1-4
1.5.3 Analog Programming............................................................................................................................... 1-4
1.5.4 Digital Calibration .................................................................................................................................... 1-4
1.5.5 Damping .................................................................................................................................................. 1-4
1.5.6 Built-in Protection .................................................................................................................................... 1-4
1.5.7 Master/Slave Control............................................................................................................................... 1-4
1.6 Specifications.............................................................................................................................................. 1-5
1.7 Equipment Supplied.................................................................................................................................... 1-6
1.8 Accessories ................................................................................................................................................ 1-6
1.9 Options ....................................................................................................................................................... 1-6
1.10 Safety.......................................................................................................................................................... 1-6
SECTION 2 - INSTALLATION
2.1 Unpacking and Inspection .......................................................................................................................... 2-1
2.2 Terminations and Controls.......................................................................................................................... 2-1
2.2.1 Front Panel Controls and Indicators........................................................................................................ 2-1
2.2.2 Rear Panel Connections. ........................................................................................................................ 2-1
2.3 Mains Power Requirements........................................................................................................................ 2-6
2.3.1 Changing Mains Power Voltage .............................................................................................................. 2-6
2.4 Cooling........................................................................................................................................................ 2-8
2.5 Installation................................................................................................................................................... 2-8
2.5.1 Rack Mounting ........................................................................................................................................ 2-8
2.6 Wiring Instructions ...................................................................................................................................... 2-8
2.6.1 Mains Power............................................................................................................................................ 2-9
2.6.2 Unit Under Test (UUT) to Load Connection ............................................................................................ 2-9
2.6.2.1 Power Connections ............................................................................................................................ 2-9
2.6.2.2 Sense Connections ............................................................................................................................ 2-10
2.6.2.3 Grounding .......................................................................................................................................... 2-11
2.6.3 Parallel Master/Slave Configurations ...................................................................................................... 2-11
2.6.4 Analog Programming Connections.......................................................................................................... 2-13
2.6.5 Current Monitor Connections .................................................................................................................. 2-13
2.7 Digital Connections..................................................................................................................................... 2-13
SECTION 3 - OPERATION
3.1 General ....................................................................................................................................................... 3-1
3.2 Factory Default Settings ............................................................................................................................. 3-1
3.3 Turning the Unit On .................................................................................................................................... 3-2
3.3.1 Error Conditions ...................................................................................................................................... 3-2
3.4 Selecting the Mode and Setpoint................................................................................................................ 3-2
3.5 Engaging the Load...................................................................................................................................... 3-3
3.6 Disengaging the Load................................................................................................................................. 3-3
3.7 Viewing Model Information ......................................................................................................................... 3-4
3.8 Operation of Master/slave Configurations. ................................................................................................. 3-4