ESPEC EHS-211 User Manual
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ESPEC EHS-211 User Manual

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User's Manual
Communication Function
Applicable chambers :
•
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.
RS-485
 
4013304025610
Highly Accelerated Stress Test
System (HAST Chamber)
EHS-211(M), 221(M), 411(M)
EHS-211MD, 221MD, 411MD

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Summary of Contents for ESPEC EHS-211

  • Page 1 Communication Function RS-485   4013304025610 Highly Accelerated Stress Test Applicable chambers : 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.
  • Page 2 • All rights reserved. It is strictly forbidden to reproduce any part of this manual without the express written consent of ESPEC CORP. • The contents of this manual are subject to change without notice. • ESPEC CORP. will replace this manual if pages are missing or out of sequence. © 2007 ESPEC CORP.
  • Page 3   Introduction This manual explains how to set up and use the RS-485 Communication Function. It was written for users and engineers. Read it thoroughly to ensure absolute safety and gain maximum performance from equipment. Safety Indications The following safety indications are used throughout this manual. ■Degree of DANGER This mark means extremely dangerous consequences may...

  • Page 4: Table Of Contents

      Contents Introduction Chapter 1 Overview Communication Function ..............6 ・RS-485 ..................6 Communication Interface ..............7 ・RS-485 ..................7 Transmitted Data ................8 ・Types of Data ................8 ・Data Format ................9 ・Error Messages .................10 Data Transfer ................11 Chapter 2 Communication Setup Communication Setup ..............16 ・How to Change Communication Settings ........16 Chapter 3 Commands Command List ................20 Monitor Commands ..............22...
  • Page 5   ・To Monitor Alarm Log ..............30 ・To Monitor Power ON/OFF Status and Key Lock Status ....31 ・To Monitor Key Lock Status............31 ・To Monitor Communication Error Log.........32 ・To Monitor Chamber Pressure (Only when equipped with optional temperature, humidity and pressure recorder) ....32 Setting Commands ..............33 ・To Switch to the Constant Mode..........33 ・To Switch to the Constant Mode..........33...
  • Page 7 Chapter 1 Overview...

  • Page 8: Communication Function

    Chapter 1 Overview 1.1 Communication Function The communication function connects a chamber to a computer or some other external device via a communication interface. This interface makes it possible to control the chamber as well as monitor chamber control status and the program being run with commands sent from the computer.

  • Page 9: Communication Interface

    Chapter 1 Overview 1.2 Communication Interface RS-485 The RS-485 interface uses a DB-9 connector.

  • Page 10: Transmitted Data

    Chapter 1 Overview 1.3 Transmitted Data Types of Data Data is handled as either command data or response data. ■Command Data Data sent from the computer to the chamber is treated as a command. Commands are of the following two basic types. •...

  • Page 11: Data Format

    Chapter 1 Overview Data Format ■Command Data Format Command data sent from the computer has the following format. address, main command [, optional parameter] delimiter Address Reference This communication function recognizes address 1 to 16. Single digit address can be preceded with a "0" as in "01, 02, 03 … " or the "0" can be left out.

  • Page 12: Error Messages

    Chapter 1 Overview Error Messages When command data sent from the computer is not correctly processed by the chamber, the chamber returns an "NA :" code attached with an error message. These messages and their meaning are given here below. Table 1.1 Error messages Error message Meaning...

  • Page 13: Data Transfer

    Chapter 1 Overview 1.4 Data Transfer CAUTION • Wait to receive the response of a previous command before sending the next command. If a subsequent command is sent without waiting for the response of a previous command, communications may not be successful.
  • Page 14 Chapter 1 Overview ■Standard Mode The computer sends commands (setting command or monitor command) to the chamber and the chamber returns a response (reception status or monitor data) to the computer. Chamber Computer Setting command When a processable setting "OK : setting command" command is received Monitor command When a processable monitor...
  • Page 15 Chapter 1 Overview ■E-BUS Mode When the E-BUS mode is selected as the data transfer mode, you have the choice of using echo back or not. • When Echo Back is ON When echo back is ON, the chamber returns responses to the computer in the below format.
  • Page 16 Chapter 1 Overview • When Echo Back is OFF When echo back is OFF, the chamber does not return a response to computer commands until it receives the data transfer trigger. With this communication function, "address,G" is used as the data transfer trigger instead of the command data.
  • Page 17 Chapter 2 Communication Setup You can set up communications from the communication setup mode.

  • Page 18: Communication Setup

    Chapter 2 Communication Setup 2.1 Communication Setup How to Change Communication Settings 1. Activate power, press and hold the 【◄】 key on the operating panel and press the 【OPERATION SET/ENTER】 key to enable setting changes. The communication interface protocol appears in the temperature display area, the setting item in the humidity display area and the setting value in the time display area.
  • Page 19 Chapter 2 Communication Setup Time display area: Content of each setting item (5 setting items) Address 1 to 16 : 1 to 16 Delimiter : CR : LF CrLF : CRLF Parity setting : None EuEn : Even : Odd Stop bit : 1 bit : 2 bit...
  • Page 20 Chapter 2 Communication Setup...
  • Page 21 Chapter 3 Commands This chapter explains setting commands and monitor commands. It provides format, response data and also examples.

  • Page 22: Command List

    Chapter 3 Commands 3.1 Command List Monitor commands and setting commands are listed in Tables 3.1 and 3.2 respectively. Table 3.1 Monitor command list Operation mode Message Function Constant Program ○ ○ MON? Monitors chamber conditions. ○ ○ ROM? Monitors chamber model and ROM version. Monitors humidifying water target and monitored ○...
  • Page 23 Chapter 3 Commands Table 3.2 Setting command list Operation mode Message Function Constant Program ○ ○ CONSTANT Switches to the constant mode. ○ ○ NORMAL Switches to the constant mode. ○ ○ PROGRAM Switches to the program mode. ○ ○ AMODE Sets the control mode.

  • Page 24: Monitor Commands

    Chapter 3 Commands 3.2 Monitor Commands Monitor commands have the below format. Address, main command [, optional parameter] ■To Monitor Chamber Conditions Table 3.3 Chamber conditions monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ −...

  • Page 25: To Monitor Humidifying Water Target And Monitored Temperatures

    Chapter 3 Commands ■To Monitor Humidifying Water Target and Monitored Temperatures Table 3.5 Humidifying water temperatures monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ − 1 to 16 This command requests the chamber to return the target and monitored humidifying water temperatures.

  • Page 26: To Monitor Door Lock Status

    Chapter 3 Commands ■To Monitor Door Lock Status Table 3.7 Door lock status monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter − 1 to 16 DOOR? ＜Description＞ This command requests the chamber to return the door lock status. ＜Example command＞...

  • Page 27: To Monitor Operating Mode Setting

    Chapter 3 Commands ■To Monitor Operating Mode Setting Table 3.9 Operating mode setting monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ − 1 to 16 MODE? This command requests the chamber to return the operating mode setting.

  • Page 28: To Monitor Constant Mode Pattern No

    Chapter 3 Commands ■To Monitor Constant Mode Pattern No. Table 3.11 Constant mode pattern No. monitor command Monitor command Description/Example command/Response format/Example Main Optional Address response command parameter ＜Description＞ − 1 to 16 CPAT? This command requests the chamber to return the current pattern No.

  • Page 29: To Monitor Program Mode Pattern No

    Chapter 3 Commands ■To Monitor Program Mode Pattern No. Table 3.14 Program mode pattern No. monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter − ＜Description＞ 1 to 16 PPAT? This command requests the chamber to return the current pattern No.

  • Page 30: To Monitor Program Mode Pattern Total Time

    Chapter 3 Commands ■To Monitor Program Mode Pattern Total Time Table 3.17 Program mode pattern total time monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ − 1 to 16 PCHK? This command requests the chamber to return the total amount of time required to run the current program mode pattern.

  • Page 31: To Monitor Auto Start Timer Information

    Chapter 3 Commands ■To Monitor Auto Start Timer Information Table 3.19 Auto start timer information monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ − 1 to 16 ATIME? This command requests the chamber to return the auto start time setting and the time remaining till operations start.

  • Page 32: To Monitor Alarm Log

    Chapter 3 Commands ■To Monitor Alarm Log Table 3.21 Alarm log monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ − 1 to 16 ALARM? This command requests the chamber to return the number of alarms occurred and those alarms codes.

  • Page 33: To Monitor Power On/Off Status And Key Lock Status

    Chapter 3 Commands ■To Monitor Power ON/OFF Status and Key Lock Status Table 3.22 Power ON/OFF status and key lock status monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ − 1 to 16 KEYSW? This command requests the chamber to return power ON/OFF status and key lock status.

  • Page 34: To Monitor Communication Error Log

    Chapter 3 Commands ■To Monitor Communication Error Log Table 3.24 Communication error log monitor command Monitor command Description/Example command/Response format/Example Main Optional response Address command parameter ＜Description＞ − 1 to 16 ERSTAT? This command requests the chamber to return a log of communication errors.

  • Page 35: Setting Commands

    Chapter 3 Commands 3.3 Setting Commands Setting commands have the below format. Address, main command [, optional parameter] , setting data ■To Switch to the Constant Mode Table 3.26 Constant mode setting command Setting command Description/Setting data format/Example command Main Optional Setting Address...

  • Page 36: To Set The Control Mode

    Chapter 3 Commands ■To Set the Control Mode Table 3. 29 Control mode setting command Setting command Description/Setting data format/Example command Main Optional Address Setting data command parameter − 1 to 16 AMODE Control ＜Description＞ mode Sets the control mode. ＜Setting data format＞...

  • Page 37: To Set Constant Mode Time

    Chapter 3 Commands ■To Set Constant Mode Time Table 3. 32 Constant mode time setting command Setting command Description/Setting data format/Example command Main Optional Address Setting data command parameter ＜Description＞ − 1 to 16 TIME Time setting Sets only the time for constant mode operation. ＜Setting data format＞...

  • Page 38: To Set Up Program Mode Patterns

    Chapter 3 Commands ■To Set Up Program Mode Patterns Table 3.35 Program mode pattern setting command Setting command Description/Setting data format/Example Main Optional command Address Setting data command parameter ＜Description＞ − 1 to 16 PSET Temperature Sets up the current step of the program. Humidity ＜Setting data format＞...

  • Page 39: To Set The Auto Start Timer

    Chapter 3 Commands ■To Set the Auto Start Timer Table 3. 36 Auto start timer setting command Setting command Description/Setting data format/Example Main Optional command Address Setting data command parameter ＜Description＞ − 1 to 16 ATIME Auto start timer time Sets the time of the auto start timer.

  • Page 40: To End Operations At Cycle End

    Chapter 3 Commands ■To End Operations at Cycle End Table 3.38 Operation cycle end command Setting command Description/Setting data format/Example Main Optional command Address Setting data command parameter ＜Description＞ − 1 to 16 SLOW Cycle end command Ends operations at the end of the current cycle. FINISH ＜Setting data format＞...

  • Page 41: To Lock/Unlock Keys

    Chapter 3 Commands ■To Lock/Unlock Keys Table 3.40 Key lock/unlock command Setting command Description/Setting data format/Example Main Optional command Address Setting data command parameter 1 to 16 Key lock ＜Description＞ command PROTECT Locks operating panel keys. ＜Setting data format＞ “lock setting” ＜Example command＞...
  • Page 42 Chapter 3 Commands...

  • Page 43: Chapter 4 Example Applications

    Chapter 4 Example Applications This chapter explains several applications with this communication function, by means of flowcharts. Explanations have been generalized, therefore use the communication function as permitted by your computer, computer language and other communication hardware. Troubleshooting and system protection have been left out of explanations, therefore before use, take what necessary measures you have to deal with system errors.

  • Page 44: To Monitor Chamber Control Status From Computer

    Chapter 4 Example Applications 4.1 To Monitor Chamber Control Status from Computer Chamber control status can be monitored from a computer using the monitor commands (see "3.2 Monitor Commands"). The below flowchart shows how to display target temperature and humidity, operating mode and any alarms which have occurred.

  • Page 45: To Edit Test Setup From Computer

    Chapter 4 Example Applications 4.2 To Edit Test Setup from Computer Test setup can be changed from a computer using the setting commands (see "3.3 Setting Commands"). The below flowchart shows how to set target temperature to 120°C, target humidity to 85%, time to 50 h in the constant mode. Fig.
  • Page 46 Chapter 4 Example Applications...

  • Page 47: Chapter 5 Specifications

    Chapter 5 Specifications...

  • Page 48: Specifications

    Chapter 5 Specifications 5.1 Specifications About RS-485 Communications ■RS-485 signal assignment Table 5.1 RS-485 signal assignment Pin No. Signal code Signal Connection status Transmission data (A) Connected Transmission data (B) Connected Reception data (A) Connected Reception data (B) Connected Ground Connected Ground Connected...

  • Page 49: Documents Configuration

    Chapter 5 Specifications • Flow Control Xon/Xoff control None Si/So control None The above setting cannot be changed by users. • Local Echo Not supported ■Documents configuration Details of communication functions are given in the following manuals. Table 5.2 Document configuration User’s manual Manual Specifications...
  • Page 50 User's Manual Edited and Published by:  Communication Function   RS-485 3-5-6, Tenjinbashi, Kita-ku, Osaka 530-8550, Japan Tel:81-6-6358-4741 Fax:81-6-6358-5500 October 22, 2009 Second Edition Printed in Japan...

This manual is also suitable for:

Ehs-211mEhs-221Ehs-221mEhs-411Ehs-411mEhs-211md ... Show all

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