ESPEC EHS-411M User Manual

User's Manual
Communication Function
RS-485

4013304025610
Applicable chambers :
Highly Accelerated Stress Test
System (HAST Chamber)
EHS-211(M), 221(M), 411(M)
EHS-211MD, 221MD, 411MD
•
Read this manual carefully before using the
equipment.
•
Familiarize yourself with all safety
precautions before using the equipment.
•
Keep this manual handy for future
reference.

ESPEC EHS-411M Specifications

General

Brand	ESPEC
Model	EHS-411M
Category	Laboratory Equipment
Language	English

Summary

Introduction to RS-485 Communication Function

Safety Indications and Danger Levels

Explains safety indications and danger levels used in the manual.

Key Terms Used in the Manual

Defines keywords used in the manual for notes, procedures, and references.

Chapter 1 Overview of RS-485 Communication

1.1 Communication Function

Connects chamber to computer for control and monitoring via interface.

1.2 RS-485 Communication Interface

Specifies the RS-485 interface uses a DB-9 connector.

1.3 Transmitted Data Types

Explains command data and response data types sent between computer and chamber.

1.4 Data Transfer Procedures

Details procedures and cautions for sending commands and receiving responses.

Chapter 2 Communication Setup Guide

2.1 Performing Communication Setup

Explains how to activate power and use keys to change communication settings.

Chapter 3 Commands for Chamber Control

3.1 Command List Overview

Lists monitor and setting commands with their functions and supported operation modes.

3.2 Monitor Commands Reference

Details various monitor commands, their parameters, and expected responses.

3.3 Setting Commands Reference

Explains setting commands, their formats, and examples for various operations.

Chapter 4 Example Applications and Flowcharts

4.1 Monitoring Chamber Status from Computer

Shows flowchart for monitoring chamber status using monitor commands.

4.2 Editing Test Setup via Computer

Shows flowchart for setting up tests using setting commands.

Chapter 5 Technical Specifications

5.1 RS-485 Communication Specifications

Details RS-485 signal assignment and communication specifications.