4KA72X023 I 
Contents 
Contents
.............................................................................................................................................................................I 
Summary of changes...................................................................................................................................................... Ⅴ 
Chapter 1: Getting Started...............................................................................................................................................1 
Examination before Installation.............................................................................................................................. 3 
Environmental Precautions ............................................................................................................................. 3 
SG2 Model Identification................................................................................................................................ 3 
Quick Start Setup.................................................................................................................................................... 4 
Install SG2 Client Software ............................................................................................................................ 4 
Connect Power to SG2 smart relay................................................................................................................. 4 
Connect Programming Cable.......................................................................................................................... 5 
Establish Communication ............................................................................................................................... 5 
Write simple program...................................................................................................................................... 6 
Chapter 2: Installation................................................................................................................................................... 10 
General Specifications .......................................................................................................................................... 11 
Product Specifications........................................................................................................................................... 14 
Mounting............................................................................................................................................................... 15 
Wiring ................................................................................................................................................................... 17 
K type Indicator Light........................................................................................................................................... 19 
Chapter 3: Program Tools .............................................................................................................................................20 
PC Programming Software “SG2 Client”.............................................................................................................21 
Installing the Software .................................................................................................................................. 21 
Connecting the Software............................................................................................................................... 21 
Start Screen................................................................................................................................................... 21 
Ladder Logic Programming Environment .................................................................................................... 22 
Menus, Icons and Status Bar................................................................................................................. 23 
Programming......................................................................................................................................... 24 
Simulation Mode................................................................................................................................... 25 
Establish Communication ..................................................................................................................... 25 
Writing Program to smart relay............................................................................................................. 26 
Online Monitoring/Editing.................................................................................................................... 27 
Operation menu..................................................................................................................................... 28 
HMI/TEXT............................................................................................................................................ 29 
Program Documentation ....................................................................................................................... 33 
Analog Output Set…............................................................................................................................. 35 
3-Row/5-Row........................................................................................................................................ 36 
Data Register Set…............................................................................................................................... 37 
View menu ............................................................................................................................................ 39 
FBD Programming Environment.................................................................................................................. 40 
Menu, Icons and Status Bar................................................................................................................... 40 
Programming......................................................................................................................................... 41 
Simulation Mode................................................................................................................................... 42 
Online Monitoring/Editing.................................................................................................................... 42 
Symbol and Parameters list................................................................................................................... 43 
Memory Cartridge (sold separately) ..................................................................................................................... 45 
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