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ESPEC EHS-221 User Manual

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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.

Table of Contents

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ESPEC EHS-221 Specifications

General IconGeneral
BrandESPEC
ModelEHS-221
CategoryLaboratory Equipment
LanguageEnglish

Summary

Chapter 1 Overview

RS-485 Communication Function

Explains connecting chambers to computers via RS-485 for control and monitoring.

RS-485 Communication Interface

Details the RS-485 interface, including its use of a DB-9 connector for data transmission.

Transmitted Data Types and Formats

Covers command data, response data, reception status, and monitor data formats.

RS-485 Data Transfer Procedures

Outlines procedures and cautions for data transfer, including timing and command sequencing.

Chapter 2 Communication Setup

Communication Setup Procedure

Details the procedure for activating power and changing communication settings via the operating panel.

Chapter 3 Commands

Command List Overview

Lists available monitor and setting commands, indicating their function and supported operation modes.

Monitor Commands Reference

Explains various monitor commands used to retrieve chamber status, conditions, and parameters.

Setting Commands Reference

Details the format and usage of setting commands for configuring chamber operations and parameters.

Chapter 4 Example Applications

Monitoring Chamber Control Status

Illustrates a flowchart for monitoring chamber control status, including temperature, humidity, and alarms.

Editing Test Setup from Computer

Demonstrates a flowchart for setting chamber parameters like temperature, humidity, and time via computer.

Chapter 5 Specifications

Section 5.1 Specifications

General overview of specifications, including RS-485 communications and document configuration.

RS-485 Communications Specifications

Provides detailed specifications for the RS-485 interface, including signal assignments and parameters.

Documents Configuration Information

Lists related manuals and their coverage of communication functions, installation, and settings.

Related product manuals