TECO SG2 Series User Manual

I
T able of Contents
Chapter 1: Getting Started 1
Examination before Installation 2
Environmental Precautions 2
SG2 Model Identification 3
Quick Start Setup 4
Chapter 2: Installation 10
General Specifications 10
Product Specifications 12
Mounting 13
Wiring 15
Chapter 3: Program Tools 18
PC Programming Software “SG2 Client” 18
Memory Cartridge 26
LCD Display and Keypad 27
Chapter 4: Relay Ladder Logic Programming 44
Common Memory Types 44
Specialty Memory Types 46
Output Instructions 47
Counter Instructions 49
High Speed Counters (DC Version Only) 55
Timer Instructions 57
Real Time Clock (RTC) Instructions 65
Comparator Instructions 70
HMI Display Instructions 72
PWM Output Instruction (DC Transistor Output Models Only) 74
Data Link/Remote I/O Instruction (SG2-20Vxx Models Only) 75
Chapter 5: Function Block Diagram Programming 77
Coil Block Instruction 77
PWM Function Block 78
SHIFT Function Block 79
Logic Block Instructions 80
AND Logic Block 80
AND (Edge) Logic Block 80
NAND Logic Block 81
NAND (Edge) Logic Block 81
OR Logic 81

TECO SG2 Series Specifications

General

Mounting Type	DIN Rail
Mechanical Life	10, 000, 000 operations
Outputs	Relay, Transistor
Communication	RS485 Modbus RTU
Input Voltage	24V DC
Operate Time	10ms
Release Time	10ms
Electrical Life	100, 000 operations
Insulation Resistance	100MΩ at 500VDC
Weight	Approx. 150g

Summary

Chapter 1: Getting Started

Installation & Safety Precautions

Covers safety measures for installation, wiring, operation, and environmental factors.

Quick Start Setup Guide

Provides a step-by-step guide for initial setup and basic operation of the SG2 smart relay.

SG2 Model Identification

Explains how to identify SG2 models based on their part numbers and specifications.

Chapter 2: Installation

Specifications Overview

Lists general and product specifications for the SG2 smart relay.

Mounting and Wiring

Explains mounting methods (DIN-rail, direct) and essential wiring guidelines.

Chapter 3: Program Tools

SG2 Client Software Operations

Covers installation, environment, menus, and usage of the SG2 Client programming software.

Memory Cartridge and LCD/Keypad

Describes memory cartridges and LCD/keypad operations for program management.

Chapter 4: Relay Ladder Logic Programming

Memory Types and Instructions

Explains memory types and covers core instructions like outputs, counters, and timers.

Advanced Logic & Control Instructions

Details RTC, Comparator, HMI, PWM, and Data Link instructions for advanced control.

Chapter 5: Function Block Diagram Programming

FBD Fundamentals and Logic Blocks

Introduces FBD programming and explains logic blocks like AND, OR, XOR.

Function Blocks: Counters, Timers, RTC, Analog

Details function blocks for counters, timers, RTC, and analog comparators.