Thermotron AST 8800 Manual de usuario

A Venturedyne, Ltd., Company

AST 8800

Instruction Manual

Revision 10: April 30, 2020

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Revision 10: April 30, 2020

AST 8800 Instruction Manual Table of Contents

Ther otron Industries i

Table of Contents

Section 1: Setup

Introduction to the AST 8800 ................................................................................................................................................................................................1-1

Required components ..............................................................................................................................................................................................................1-1

Using the touch screen .............................................................................................................................................................................................................1-1

File functions .................................................................................................................................................................................................................................1-2

•AST 8800 file types .................................................................................................................................................................................................1-2

•Exporting AST 8800 data .....................................................................................................................................................................................1-3

AST 8800 display controls .......................................................................................................................................................................................................1-3

•Action buttons ..........................................................................................................................................................................................................1-

•Quick navigation buttons ....................................................................................................................................................................................1-

•Function buttons .....................................................................................................................................................................................................1-5

•Changing access levels and passwords .........................................................................................................................................................1-6

Using the setup panels .............................................................................................................................................................................................................1-7

•System Setup panel................................................................................................................................................................................................1-7

•Alerts panel ............................................................................................................................................................................................................. 1-11

•Vibration configuration panel ........................................................................................................................................................................ 1-12

•Control Parameters panel ................................................................................................................................................................................. 1-15

•Communication panel ........................................................................................................................................................................................ 1-16

•Service Messages panel .................................................................................................................................................................................... 1-20

•System Events panel ........................................................................................................................................................................................... 1-22

•Chan / Aux Names panel .................................................................................................................................................................................. 1-2

•Backup / Restore panel ..................................................................................................................................................................................... 1-25

Section 2: Operation

Running in manual mode ........................................................................................................................................................................................................2-1

Program mode operation ........................................................................................................................................................................................................2-3

•Running a program ................................................................................................................................................................................................2-3

•Creating or modifying a program ....................................................................................................................................................................2-8

•Using the program graph ................................................................................................................................................................................. 2-11

Vibration analysis ..................................................................................................................................................................................................................... 2-12

•PSD ............................................................................................................................................................................................................................. 2-12

•Transmissibility (optional) ................................................................................................................................................................................ 2-15

•Peak Probability (optional) ............................................................................................................................................................................... 2-16

•Fatigue (optional) ................................................................................................................................................................................................. 2-17

•Time Domain .......................................................................................................................................................................................................... 2-18

•Impactor status ..................................................................................................................................................................................................... 2-19

•Multi-zone vibration control ........................................................................................................................................................................... 2-21

Using the Graph panel ........................................................................................................................................................................................................... 2-28

•Using the graph buttons ................................................................................................................................................................................... 2-29

•Graph setup ............................................................................................................................................................................................................ 2-30

Using the Therm-Alarm panels .......................................................................................................................................................................................... 2-31

•Therm-Alarm operating modes ..................................................................................................................................................................... 2-32

•Positioning the input thermocouple or analog sensor ....................................................................................................................... 2-32

•Viewing the Therm-Alarm settings............................................................................................................................................................... 2-33

•Changing the Therm-Alarm settings ........................................................................................................................................................... 2-32

•Alarm mute and reset mode functions ....................................................................................................................................................... 2-3

•Muting or resetting the Therm-Alarm ........................................................................................................................................................ 2-3

•Calibrating a Therm-Alarm .............................................................................................................................................................................. 2-35

Vibration level monitor .......................................................................................................................................................................................................... 2-36

•Specifications ......................................................................................................................................................................................................... 2-36

•Setting up a vibration level monitor ............................................................................................................................................................ 2-37

•Calibrating a vibration level monitor ........................................................................................................................................................... 2-38

•Verifying vibration level monitor accuracy ............................................................................................................................................... 2- 0

Table of Contents AST 8800 Instruction Manual

ii Ther otron Industries

Section 3: Syste Infor ation

Monitors panel .............................................................................................................................................................................................................................3-1

Refrigeration System panel.....................................................................................................................................................................................................3-2

Schematic panel...........................................................................................................................................................................................................................3-3

Throttle History panel ...............................................................................................................................................................................................................3-

Activity Log panel .......................................................................................................................................................................................................................3-5

Control Module panel ...............................................................................................................................................................................................................3-6

Live Aux panel ..............................................................................................................................................................................................................................3-7

Computer interface diagnostic panel .................................................................................................................................................................................3-8

System Info panel .................................................................................................................................................................................................................... 3-10

Section 4: CM2 Calibration

Calibration panels ....................................................................................................................................................................................................................... -1

•Verifying analog input and analog outputs ................................................................................................................................................ -2

•Calibration analog input and analog output channels ........................................................................................................................... -3

•Calibration DAQ thermocouple inputs and analog inputs and outputs ......................................................................................... -

•Adjusting process variable channels............................................................................................................................................................... -5

•Verifying Therm-Alarm inputs ........................................................................................................................................................................... -6

•Verifying and calibrating accelerometer inputs ......................................................................................................................................... -7

Section 5: Co puter Interface

Overview .........................................................................................................................................................................................................................................5-1

•Basic serial communication protocol .............................................................................................................................................................5-1

•Multidrop address communication protocol (RS- 85) ...........................................................................................................................5-1

•GPIB-specific commands .....................................................................................................................................................................................5-2

Command syntax ........................................................................................................................................................................................................................5-3

•Query commands ....................................................................................................................................................................................................5-3

•Operation commands ...........................................................................................................................................................................................5-3

•Command data formats .......................................................................................................................................................................................5-3

•Command concatenation ....................................................................................................................................................................................5-

Functional command sets .......................................................................................................................................................................................................5-

•Control commands .................................................................................................................................................................................................5-

•Program status and edit from hold commands ........................................................................................................................................5-

•Programming commands ....................................................................................................................................................................................5-

•System status commands ....................................................................................................................................................................................5-

•Variable commands ...............................................................................................................................................................................................5-

Interface command descriptions ..........................................................................................................................................................................................5-5

Vibration specific I/O commands ...................................................................................................................................................................................... 5-3

Using the interface command set ..................................................................................................................................................................................... 5-36

•Using the manual mode variable and control commands ................................................................................................................. 5-36

•Using the edit from hold commands .......................................................................................................................................................... 5-36

•Using the programming commands ........................................................................................................................................................... 5-37

•Using the operation commands to load a program into the AST 8800 ...................................................................................... 5-38

•Using the query commands to load a program from the AST 8800 ............................................................................................. 5-38

•Computer interface troubleshooting and error codes ........................................................................................................................ 5-39

•Common computer interface problems and solutions ....................................................................................................................... 5-39

•Error codes .............................................................................................................................................................................................................. 5- 1

Programming examples ........................................................................................................................................................................................................ 5-

Appendix A: Glossary

Appendix B: SCI Capability

Appendix C: Product Dew Point Control (PDC)

Appendix D: Tuning Control Para eters

Appendix E: Tuning PTC Control Para eters

Appendix F: AST 8800 Para eter and Syste Event Worksheets

AST 8800 Instruction Manual Setup

Ther otron Industries 1-1

Section 1: Setup

Introduction to the AST 8800

The 8800 chamber controller leverages the power and familiarity of the Microsoft Windows operating system to

provide the most advanced environmental test software on the market. Unprecedented ease of use, data and activity

logging, sophisticated graphing, high precision measurement and reliability combine to take environmental testing to

a new level. In this AST edition of the 8800, we have added the ability to control a repetitive shock shaker table. Those

already familiar with the 8800 will feel right at home, while those new to the 8800 will find it easy enough to be

running in minutes, yet powerful enough to fulfill all of your testing needs.

Required co ponents

The AST 8800 requires the following components to be operational: a control module, an accelerometer power

supply, a computer running Windows 7 with a minimum of 1 GB of RAM or Windows 10 with 2GB of RAM, and a

National Instruments DAQ card.

Using the touch screen (optional)

The AST 8800 is designed to be usable with a touch screen interface, removing the need for a keyboard and mouse.

Even with a keyboard and mouse connected, every task can be completed with just a mouse, for those installations

where the keyboard may take up too much space. For places where text or numbers need to be entered, the

keyboard can be used to speed up data entry.

When you touch or click on a specific area of the monitor one of several things could happen:

•The button will re ain “in” and perfor the desired function. For example, pressing the Manual button from

the main screen will switch the display to the manual mode screen.

•A radio button, check box, or line will be selected. Touching a radio button, check box, or line a second time

will deselect it.

•A drop-down enu will appear, enabling you to make a selection from a list.

•The alphanumeric keypad will appear. Use the

keypad to enter an alphanumeric value into the

field. Press Enter to accept the new value, or

press Cancel to close the keypad without

entering a new value.

For example, when you touch a channel name

field on the setup screen, the keypad will

appear, indicating that you can enter an

alphanumeric value into the field.

The alphanumeric keypad defaults to lower

cases letters. To enter upper case letters, press

hift and then the desired letter keys. To return

the keypad to lower cases letters, press hift

again.

The Backspace key deletes the character to the

left of the cursor. The left and right arrow keys,

located on either side of the pace key, can be

used to move the cursor to the left and right in

the display field at the top of the keypad.

Setup AST 8800 Instruction Manual

1-2 Ther otron Industries

•The nu eric keypad will appear. At the top of the keypad is a small display field

as well as an indication of the allowable range of the selected field. Use the keypad

to enter a numeric value into the field. Press Enter to accept the new value, or press

Cancel to close the keypad without entering a new value into the field.

For example, when you touch the Deviation field on the program screen, the

numeric keypad will appear, indicating you need to enter a value between 0.0 and

25.0 into the field.

File functions

The AST 8800 uses standard Windows dialog boxes for opening and

saving files (such as program files or graph settings files). The buttons

at the top of the dialog boxes also allow you to copy, paste, delete,

and rename files.

Files may be loaded from and saved to the internal hard drive, a

network drive, or an external USB drive.

AST 8800 file types

The following table describes the types of files used by the AST 8800:

File type Extension Access screen

8800

functions Description

Chamber

configuration .pck Main

Save and

open

Allows the user to back up and restore the chamber

configuration.

7800

configuration .cfg Main Open

Allows the user to load a 7800 programmer/

controller configuration into the AST 8800.

Chamber data .csv* Graph Save

Comma

delimited data that can be

opened in

standard spreadsheet programs.

Graph picture .bmp Graph Save

A bitmap of the current graph that can be opened

in standard graphics programs.

Graph view

settings .gvs Graph

Save and

open

Allows users to save and load customized graph

view settings.

Program .pgm Program Save and

open

Prints the currently selected program as a

combined graph and spreadsheet.

(NOTE: Programs can be printed only in interval

view. Programs cannot be printed in time or

expanded loop view.)

7800 program

.prg Program Open

Allows the user to load into the AST

8800 a

program written for a 7800 programmer/controller.

Control

parameters .prm

Setup/Control

Parameters

Save and

open

Allows the user to back up and restore control

parameter settings.

* NOTE: CSV files of PSD plots may be loaded back into the PSD page for later analysis.

NOTE: The AST 8800 Backup Wizard helps you create a backup of your programs, settings, and data files so you can

prevent data loss and damage caused by disc failures, power outages, virus infections, and other potentially

damaging events. The AST 8800 Restore Wizard helps you restore your previously backed-up data in the event of a

hardware failure, accidental erasure, or other data loss or damage. For more information, see “Backup / Restore Panel”

later in this section.

AST 8800 Instruction Manual Setup

Ther otron Industries 1-3

Exporting AST 8800 data

Press the Export button from any screen to start the Export Data Wizard. This wizard provides step-by-

step instructions for exporting program and data log files from the AST 8800.

AST 8800 display controls

The AST 8800 display is made up of the following parts:

•The selected screen or panel in the center of the screen. The above illustration shows the main screen, which

displays the channel name, current process variable, set point, and throttle for each active channel.

•The action buttons, which are always available at the top of the screen. For more information, see “Action

buttons” later in this section.

•The function buttons, which are always available along the right side of the screen. Function buttons are used to

select the various AST 8800 screens and panels. For more information, see “Function buttons” later in this section.

•The current date, time, access level, and mode of the AST 8800, which are always displayed at the bottom of the

screen.

•On chambers with an optional door switch, a door icon in the upper right corner of the display indicates whether

the chamber door is closed or open . For information on the door options, see “Actions to take

when door is opened” later in this section.

Setup AST 8800 Instruction Manual

1-4 Ther otron Industries

Action buttons

The action buttons are always available at the top of the screen. The following paragraphs list the action buttons and

briefly describe their functions.

Run In manual mode starts running a manual mode test. In program mode brings up the Run Options dialog

box. When a test is running, the indicator is green. When a scheduled program is pending, the indicator

is blue.

top When a test is running the Stop button brings up the Stop Confirmation dialog box.

•Press Yes to stop the test. When a test is stopped, the indicator is red.

•Press No to abort the stop request and continue running the test.

•You can disable stop confirmation by checking Do not ask this again, or by unchecking Confirm

top Key Press on the System Setup panel of the setup screen.

Hold Pauses a test and lights the yellow hold indicator. To resume the test at the same point it was paused,

press Run.

ave Saves a new or modified file.

Open Loads a saved file.

ave As Saves a file under a new name or in a new location.

Print Prints the currently selected program or graph.

Export Starts the Export Data Wizard. This wizard provides step-by-step instructions for exporting program and

data log files from the AST 8800.

Light Turns the chamber light on and off. When the chamber light is on, the button’s yellow light indicator is

lit.

Access Brings up the Change Access Level dialog box, allowing you to change the access level and password of

the AST 8800. For more information, see “Changing access levels and passwords” later in this section.

Quick navigation buttons

The user-defined quick navigation buttons allow you to switch quickly

between frequently used screens and panels. To assign a quick navigation

button:

1. Go to the screen or panel you want to access with a quick navigation button.

2. Press and hold one of the quick navigation buttons.

3. The button name will change to the name of the selected screen or panel.

For example, press the etup button and then select the System Setup panel.

Press and hold the second quick navigation button. The button name will

change to ys et. The button now can be used to take you directly to the

System Setup panel.

AST 8800 Instruction Manual Setup

Ther otron Industries 1-5

Function buttons

The function buttons are always available on the right side of the screen. The following paragraphs list the function

buttons and briefly describe their functions.

Main Returns to the main screen.

Vib Info Allows you to view frequency domain analysis of the accelerometers in the form of a power

spectral density (PSD) plot. In addition, any advanced analysis options that have been

purchased may be viewed here.

Int tat Accesses the interval status screen. This screen allows you to view the status and options for

the currently loaded program.

Manual Accesses the manual mode screen. This screen allows you to run the chamber manually,

without preprogrammed times.

Graph Accesses the graph screen. This screen allows you to view the logged data as a graph as well

as select what data will be graphed and how that data will be displayed.

ysInfo Accesses the chamber status panels. These panels provide status and diagnostic information.

Program Accesses the program screen. This screen allows you to create, save, load, and modify

programs.

etup Accesses the setup panels. These panels allow you to modify system and control parameters,

computer interface/network settings, and channel/auxiliary names.

Cal Accesses the calibration panels. The Cal button appears only if the access level is Calibration.

T Alarm Accesses the Therm-Alarm panels. These panels allow you to view and change the Therm-

Alarm settings and calibrate the Therm-Alarm. The T Alarm button appears only if your

chamber is equipped with one or more Therm-Alarms.

Docs Accesses the online Help system. Allows you to get help on any topic relating to the AST

8800 control system.

Setup AST 8800 Instruction Manual

1-6 Ther otron Industries

Changing access levels and passwords

The access level function allows you to select from six different levels of access to the AST 8800 functions. All 8800’s

ship without any passwords set. It is up to the user to password protect access levels. The following table provides a

general overview of which functions are available at each access level.

Na e Functions available

Locked All functions are locked out. Most information may be viewed but not modified.

Level One Program run, stop, and hold modes are enabled.

Level Two Manual mode operation is enabled.

Programmer Program creation/editing/graphing and clock setting are enabled.

Lab Manager System parameters and process alarms can be set.

Calibration Calibration and other advanced functions are enabled.

The following steps describe how to change access levels and set passwords:

1. From any screen press Access. The Change

Access Level dialog box will appear:

2. To change the access level:

a. Select the desired access level from the

Current Access Level drop-down menu.

b. If no password has been set, press OK.

c. If a password has been set, select the Enter

Password field, use the alphanumeric keypad to enter the password, then press OK.

3. To change the password:

a. Select the Change Password check box.

The New Password and Verify Password

fields will appear.

b. If no password has been set, go to step

3.d.

c. If a password has been set, select the Enter

Password field and use the alpha-numeric

keypad to enter the password.

d. Select the New Password field and use the alphanumeric keypad to enter the new password. Passwords may

consist of up to 20 keystrokes using any keys except Enter and Cancel.

e. Select the Verify Password field and enter the new password again.

f. Press OK to accept the new password or press Cancel to exit without changing the current password.

g. If you did not enter the new password correctly, this error message will

appear.

h. Press OK and repeat step c.

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