Environics 2000 Series Manual de usuario

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

OWNER’S MANUAL

SERIES 2000 COMPUTERIZED MULTI-COMPONENT GAS MIXER

SERIES 2020 COMPUTERIZED GAS DILUTION SYSTEM

SERIES 2010 COMPUTERIZED AUTOMOTIVE GAS DIVIDER

SERIES 2014 COMPUTERIZED VOC (VOLATILE ORGANIC

COMPOUNDS) GAS DILUTION SYSTEM

WARNING

READ THIS MANUAL CAREFULLY BEFORE USING THE INSTRUMENTS.

FAILURE TO DO SO MAY VOID THE WARRANTY,

DAMAGE THE INSTRUMENTS AND CAUSE

SERIOUS INJURY OR DEATH.

ENVIRONICS INC. 69 Industrial Park Road East, Tolland, CT 06084

Phone: 860-872-1111 Fax: 860-870-9333

http://www.environics.com

Email: info@environics.com

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

TABLE OF CONTENTS

CLICK TO BE LINKED TO SECTION

1 FORWARD........................................................................................................................................................................... 5

2 THEORY OF OPERATION.................................................................................................................................................. 5

3 RECEIVING.......................................................................................................................................................................... 5

3.1 UNPACKING......................................................................................................................................................... 5

3.2 POWER CONNECTION....................................................................................................................................... 6

4 FRONT PANEL .................................................................................................................................................................... 7

4.1 POWER SWITCH................................................................................................................................................. 7

4.2 CONTRAST........................................................................................................................................................... 7

4.3 DISPLAY................................................................................................................................................................ 7

4.4 KEYBOARD........................................................................................................................................................... 7

4.4.1 NUMBER PAD ....................................................................................................................................... 7

4.4.2 CURSOR KEYS..................................................................................................................................... 8

4.4.3 SOFT KEYS............................................................................................................................................ 8

4.4.4 HELP KEY.............................................................................................................................................. 8

5 OPERATIONS...................................................................................................................................................................... 8

5.1 MAIN SCREEN (READY)...................................................................................................................................... 8

5.2 COMMON SOFT KEYS........................................................................................................................................ 10

5.3 CONCENTRATION (CONC) MODE.................................................................................................................... 10

5.3.1 FIELD DESCRIPTIONS.............................................................................................................................. 11

5.3.2 SOFT KEY DESCRIPTIONS ...................................................................................................................... 12

5.3.3 OPERATION............................................................................................................................................... 12

5.4 FLOW MODE....................................................................................................................................................... 13

5.4.1 FIELD DESCRIPTIONS.............................................................................................................................. 13

5.4.2 SOFT KEY DESCRIPTIONS ...................................................................................................................... 14

5.4.3 OPERATION............................................................................................................................................... 14

5.5 GAS PHASE TITRATION..................................................................................................................................... 14

5.6 MAINTAIN PORTS............................................................................................................................................... 16

5.6.1 FIELD DESCRIPTIONS.............................................................................................................................. 16

5.6.2 SOFT KEY DESCRIPTIONS ...................................................................................................................... 17

5.6.3 COMPUTE K SCREEN............................................................................................................................... 18

5.6.3.1 FIELD DESCRIPTIONS............................................................................................................ 18

5.6.3.2 SOFT KEY DESCRIPTIONS.................................................................................................... 19

5.6.3.3 USER GAS LIBRARY EDITING ............................................................................................... 20

5.7 CALIBRATE MODE.............................................................................................................................................. 20

5.7.1 MFC SIZE.............................................................................................................................................. 21

5.7.2 MFC FLOW ........................................................................................................................................... 21

5.7.2.1 FIELD DESCRIPTIONS............................................................................................................ 21

5.7.2.2 SOFT KEY DESCRIPTIONS.................................................................................................... 22

5.7.2.3 FLOW CALIBRATION DATA SWAP REGISTERS.................................................................. 23

5.7.3 DEFAULT FLOW .................................................................................................................................. 24

5.7.4 OZONE.................................................................................................................................................. 24

5.7.4.1 FIELD DESCRIPTIONS............................................................................................................ 24

5.7.4.2 SOFT KEY DESCRIPTIONS.................................................................................................... 26

5.7.4.3 OPERATION............................................................................................................................. 26

5.7.5 DEVICE - ADC (Analog to Digital Converter)....................................................................................... 26

5.7.6 DEVICE - DAC (Digital to Analog Converter)....................................................................................... 27

5.7.7 RECOVERY OF LOST CALIBRATION DATA...................................................................................... 27

5.7.7.1 MFC and ADC/DAC DEVICES................................................................................................. 27

5.7.7.2 OZONE...................................................................................................................................... 27

5.8 AUTOMATIC SEQUENCER MODE .................................................................................................................... 28

5.8.1 FUNCTION............................................................................................................................................ 28

5.8.1.1 FIELD DESCRIPTIONS............................................................................................................ 28

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

5.8.1.2 SOFT KEY DESCRIPTIONS.................................................................................................... 29

5.8.1.3 OPERATION............................................................................................................................. 30

5.8.2 PROCEDURE........................................................................................................................................ 30

5.8.2.1 FIELD DESCRIPTIONS............................................................................................................ 31

5.8.2.2 SOFT KEY DESCRIPTIONS.................................................................................................... 32

5.8.2.3 OPERATION............................................................................................................................. 33

5.9 PURGE MODE..................................................................................................................................................... 33

5.9.1 FIELD DESCRIPTIONS........................................................................................................................ 34

5.9.2 SOFT KEY DESCRIPTIONS................................................................................................................. 34

5.9.3 OPERATION ......................................................................................................................................... 34

5.10 COMPUTER REMOTE ............................................................................................................................................... 35

5.10.1 Protocol Codes.......................................................................................................................................... 35

5.10.2 Unit of Measure......................................................................................................................................... 35

5.10.3 Communications to the System................................................................................................................ 35

5.10.3.1 Format of the instruction......................................................................................................... 35

5.10.3.2 Format of Numeric Data.......................................................................................................... 36

5.10.4 Communications from the System............................................................................................................ 36

5.10.4.1 Format of Returned Data........................................................................................................ 36

5.10.4.2 No Data Expected................................................................................................................... 36

5.10.4.3 Returned Error......................................................................................................................... 36

5.10.5 The Work Space Buffer............................................................................................................................. 36

5.10.6 Computer Remote Command List............................................................................................................ 36

5.10.6.1 FLOW MODE.......................................................................................................................... 36

5.10.6.2 CONC MODE.......................................................................................................................... 37

5.10.6.3 MAINTAIN PORTS.................................................................................................................. 38

5.10.6.4 OZONE.................................................................................................................................... 38

5.10.6.5 FLOW CALIBRATE MODE..................................................................................................... 39

5.10.6.6 PURGE MODE........................................................................................................................ 39

5.10.6.7 AUTOMATIC SEQUENCER MODE....................................................................................... 39

5.10.6.8 MISCELLANEOUS.................................................................................................................. 40

5.10.7 Computer Remote Error............................................................................................................................ 41

5.10.7.1 Computer Remote Error Codes.............................................................................................. 41

5.11 REVERSE VIDEO................................................................................................................................................ 45

5.12 NEW PASSWORD............................................................................................................................................... 46

5.13 RS232 SETUP...................................................................................................................................................... 46

5.13.1 PORT CONFIGURATION......................................................................................................................... 46

5.13.2 CONNECTING COMMUNICATIONS EQUIPMENT ................................................................................ 47

5.13.3 USING TERMINAL REMOTE................................................................................................................... 48

5.14 TIME / DATE......................................................................................................................................................... 48

5.14.1 TIME.......................................................................................................................................................... 48

5.14.2 DATE......................................................................................................................................................... 48

5.15 STATUS SETUP .................................................................................................................................................. 49

5.15.1 INPUT........................................................................................................................................................ 49

5.15.1.1 INPUT LINES.......................................................................................................................... 49

5.15.1.2 IDLE TIMER............................................................................................................................ 49

5.15.2 OUTPUT.................................................................................................................................................... 49

5.16 VOLTS MODE...................................................................................................................................................... 51

5.17 IDLE TIMER ......................................................................................................................................................... 51

6 SYSTEM SAFETY FEATURES.......................................................................................................................................... 51

6.1 FLOW ................................................................................................................................................................... 51

APPENDIX

A USER SAFETY - Operator's Responsibilities..................................................................................................................... 52

B DESCRIPTION OF PRINTED CIRCUIT BOARDS............................................................................................................. 52

B.1 TRANSPUTER BOARD (PC201)......................................................................................................................... 52

B.2 ANALOG BOARD (PC202).................................................................................................................................. 52

B.3 ROM BOARD (PC203)......................................................................................................................................... 52

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

B.4 COMM/DRIVER BOARD (PC204)....................................................................................................................... 52

B.5 MOTHERBOARD (PC208)................................................................................................................................... 52

B.6 OZONE BOARD (PC210).................................................................................................................................... 52

B.7 STATUS I/O BOARD (PC216)............................................................................................................................. 52

B.8 OZONE MODULE................................................................................................................................................ 52

C DESCRIPTION OF THE DISPLAY..................................................................................................................................... 52

D POWER SUPPLIES AND POWER ENTRY MODULE...................................................................................................... 53

E PLUMBING.......................................................................................................................................................................... 53

F MASS FLOW CONTROLLERS.......................................................................................................................................... 53

G SYSTEM GAS LIBRARY..................................................................................................................................................... 53

H SPECIFICATIONS............................................................................................................................................................... 56

H.1 FLOW ................................................................................................................................................................... 56

H.2 MECHANICAL...................................................................................................................................................... 56

H.3 ELECTRICAL ....................................................................................................................................................... 57

H.4 OPERATING CONDITIONS................................................................................................................................. 57

H.5 PRESSURE.......................................................................................................................................................... 57

I SERVICE AND MAINTENANCE......................................................................................................................................... 57

I.1 TROUBLESHOOTING......................................................................................................................................... 58

I.1.1 TEST POINTS.............................................................................................................................................. 58

I.1.1.1 PC201 PROCESSOR BOARD……………………………………………………………………...58

I.1.1.2 PC202 ANALOG BOARD …………………………………………………………………………...58

I.1.1.3 PC203 ROM BOARD ………………………...……………………………………………………...58

I.1.1.4 PC204 SOLENOID/COMMUNICATIONS BOARD………………………………………………..58

I.1.1.5 PC208 MOTHER BOARD………………………….………………………………………………...58

I.1.1.6 PC210 OZONE BOARD (Optional) …………………………………………………………….....59

I.1.1.7 PC216 STATUS BOARD (Optional) ………………………………………………………..….....59

I.1.2 PROBLEMS AND SOLUTIONS................................................................................................................... 60

I.2 OZONE LAMP REPLACEMENT (Optional Ozone Generator)........................................................................... 61

J PRINTED CIRCUIT BOARD SCHEMATICS...................................................................................................................... 62

K PARTS LIST........................................................................................................................................................................ 63

L PC BOARD PARTS LIST.................................................................................................................................................... 66

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

1 FORWARD

The Environics Series 2000 is designed to be the finest instrument available for producing highly precise blends of

gases and optional Ozone. With the use of a powerful 32 bit microprocessor, user friendly software, mass flow

controllers (MFC's) and our optional custom designed Ozone module we are able to give the user the power of precision

without complex operation.

Even though the Series 2000 is very easy to operate, we strongly suggest you read through this manual completely. It

will describe all the functions and operations of the system along with system specifications and useful trouble shooting

information.

We are pleased to have supplied you with a quality instrument utilizing "state of the art" electronic technology. Your

purchase is supported by a knowledgeable factory service team ready to assist you in the use of this instrument.

2 THEORY OF OPERATION

The Series 2000 family of instruments has been designed to precisely blend 2 or more gases with or without ozone. To

produce such accurate results and meet the needs of different operating conditions, many innovative designs were

implemented.

One of the most important parts of the Series 2000 is its measuring and controlling electronics. The system uses very

accurate analog to digital converters (ADC) to read the analog signals from the different internal devices and digital to

analog converters (DAC) to command other internal devices. To keep the ADC's and DAC's as accurate as possible,

they are automatically calibrated through a unique process every time any operation is started.

Flow through the instrument is controlled by industry standard mass flow controllers (MFC's), devices which control the

mass flow of gas by measuring the thermal loss of a cross section of the gas flowing through it. By supplying a precise

command voltage, from 0 to 5 volts, to the MFC's different amounts of gas are accurately allowed through.

When the instrument is operating with the optional ozone module, ozone flows into the reaction chamber along with the

other gases. The volume and turbulence of the chamber gives the ozone time to react with the gas. The mix then flows

to the mixing chamber where it is diluted with the gas from Port 1, which also has sufficient volume and turbulence for a

proper mixat the output. This process is also used to produce NO2(See Gas Phase Titration, section 5.5, page 14).

The software allows the user to perform complex blends of gas and ozone with accuracy and ease. By using the user

friendly soft keys, the user moves through menus which allow access to all system operations.

3 RECEIVING

The instrument is shipped completely assembled and ready to use. The user has only to properly unpack and inspect

the instrument (see below) and connect appropriate gas cylinders or supplies to the gas inlet ports on the rear panel.

3.1 UNPACKING

The instrument should be removed from its shipping container and inspected for damage. Any damage to the shipping

case should be noted and reported to the freight carrier immediately. Place the unit at the desired operating location,

remove the top cover by removing the two (2) small screws on each side of the top, remove any packing material and

inspect the interior of the S-2000 for possible loose parts or visible damage. Also, check for any loose circuit boards, if

there are any press each down to reseat them before proceeding to connect power. Report any instrument damage to

your local Environics distributor or to Environics headquarters immediately. If there is no visible damage to the

instrument, replace the cover and secure it with the screws removed earlier. Continue to the next section on power

connection.

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

3.2 POWER CONNECTION

Insert the power cord into the socket on the rear panel of the instrument and then plug the grounded plug into an

appropriate outlet. The standard unit allows for 100 - 120 VAC (50/60 Hz) only; nominal 230 VAC (50/60 Hz) input is

optional. Once the instrument is plugged in the user should turn the front panel rocker switch to the "ON" position. The

instrument will turn on and the display will run through a short self-testing procedure and then indicate "READY". If

"READY" appears on the screen, the user should then turn the power switch to the "OFF" position and proceed to the

section on gas connection. If there is no display, refer to the section on TROUBLESHOOTING.

Whenever connecting or disconnecting any cables, wiring harnesses or other sources of potential electrical impulse you

must remove all power to the instrument. The RS-232 serial ports and the parallel printer port are especially susceptible

to damage if the instrument is connected to power when any computer or printer equipment is connected or discon-

nected.

OPERATING THE S-2000 AT AN INCORRECT LINE VOLTAGE WILL DAMAGE THE INSTRUMENT AND VOID

THE MANUFACTURER'S WARRANTY. CHECK THE LINE VOLTAGE BEFORE YOU PLUG THE INSTRUMENT

INTO ANY POWER SOURCE. LINE VOLTAGES BETWEEN 100-120 VAC (OPTIONAL 220-240 VAC) ARE

ACCEPTABLE.

WARNING

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

4 FRONT PANEL

4.1 POWER SWITCH

To turn the system on, push the power switch firmly up against the keyboard. The switch and display should illuminate

and the start-up message should appear.

4.2 CONTRAST

The contrast knob, located on the lower left side of the front panel, is used to adjust the display for optimum viewing.

Due to the nature of LCD displays this adjustment must be made if you change vertical orientation of the instrument.

4.3 DISPLAY

The large, 25 line by 80 column, LCD display is where the system and the user will perform most of their information

exchange. The last two lines, 24 and 25, will be dedicated to "Soft keys". Line 23 will be used primarily for error and

status messages.

4.4 KEYBOARD

The instrument has a durable membrane keyboard with a thick polycarbonet lens protecting the display. The keys

operate with about 10 oz. of force, and you will feel a tactile feedback when contact is made.

4.4.1 NUMBER PAD

Located in the upper right portion of the keyboard, the number pad is where all requested numeric data entry

will take place. The “+/-“ key is used to change a number between positive and negative or as a toggle for

data. This key will only operate when required.

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

4.4.2 CURSOR KEYS

The cursor keys, a group of arrows located in the lower right portion of the keyboard, are used to move

between the different fields and cells located on the different entry screens. When you move the cursor from

any cell, the data in that cell will be accepted.

4.4.3 SOFT KEYS

The soft keys, eight keys located under the display, are one of the most powerful features of the instrument.

As you perform different functions, the operation of these soft keys will change and their meanings will be

displayed above them on the last two lines of the display.

4.4.4 HELP KEY

The help key, located on the lower left portion of the keyboard, is an extremely useful feature of the instrument.

At any time in the operation of the system, this key can be pressed to obtain context sensitive help without

interfering with any data entry.

5 OPERATIONS

5.1 MAIN SCREEN (READY)

SOME GASES CAN BE EXPLOSIVE OR OTHERWISE REACTIVE WHEN BLENDED. USERS MUST CHECK

GAS COMPATIBILITY BEFORE BLENDING. PLEASE CONSULT A GAS HANDBOOK, A SPECIALTY GAS

MANUFACTURER OR OTHER COMPETENT SOURCE FOR INFORMATION ABOUT GAS COMPATIBILITY.

FAILURE TO OBSERVE THESE PRECAUTIONS MAY RESULT IN DAMAGE TO THE INSTRUMENT, SERIOUS

INJURY OR DEATH.

PRESSURIZED CYLINDERS ARE EXTREMELY DANGEROUS WHEN MISHANDLED. PROPER REGULATORS,

USE OF SAFETY CAPS, AND PROPER RESTRAINTS ARE MANDATORY. AVOID CROSS CONTAMINATION

WHEN ATTACHING REGULATORS OR MAKING MANIFOLD CONNECTIONS. ALWAYS CONSULT YOUR GAS

SUPPLIER FOR PROPER SAFETY PROCEDURES. IF YOU ARE IN DOUBT ABOUT ANY SUCH

PROCEDURES, DO NOT USE CYLINDERS OR PERMIT OTHERS TO DO SO. FAILURE TO OBSERVE THESE

PRECAUTIONS MAY RESULT IN SERIOUS INJURY OR DEATH.

ALWAYS DISCONNECT ELECTRICAL POWER BEFORE SERVICING UNIT. CONNECT UNIT TO A GROUNDED

ELECTRICAL OUTLET.

WARNING

Main Menu

┌────────────────────────────────────────────────────────────┐

│Pg 1 │

┌─────┤ │

│Pg 2 │ READY │

│ │ │

│ │ Tuesday 07 June 11 │

│ │ │

│ │ 09:32:45 │

│ │ │

│ │ CONC FLOW MAINTAIN CALIBRATE AUTOMATIC PURGE REMOTE │

│ │ MODE MODE PORTS MODE SEQUENCER MODE MODE MORE │

│ └──────────────────────────────────────────────────────┬─────┘

│ │

│REVERSE NEW RS232 TIME/ STATUS SETUP VOLTS │

│ VIDEO PASSWORD SETUP DATE INPUT OUTPUT TEST MORE │

└────────────────────────────────────────────────────────────┘

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

The instrument was designed with emphasis on simplicity and ease of use. The menu driven software guides users

through all operating routines and provides on-screen mode specific help with the simple press of the "help" key. The

main menu offers 13 primary options; each is described briefly below:

CONC (CONCENTRATION) MODE

Allow users to create a blend by entering the target gas concentrations, in PPM, for each port, the total flow, and ozone.

The actual flows, concentrations, and ozone level will be displayed once the blend is started.

FLOW MODE

Allows users to enter the target flow for each MFC directly along with the required ozone. The actual flows, concentra-

tions, and ozone level will be displayed once the flows are started.

MAINTAIN PORTS

Permits the user to describe, to the system, all gases connected just once. The information the system needs for each

gas port is the gas name, concentration, and K-factor. This information will be used throughout the system in all other

operations.

CALIBRATE MODE

Allows users to edit or view the calibration data for the MFC's, ozone module, analog to digital converter (ADC) devices,

and digital to analog converter (DAC) devices.

AUTOMATIC SEQUENCER

Permits unattended, automatic operation of the instrument on a user-programmable schedule. There are 40 functions,

each with the ability to operate up to 40 stored setups. These functions can then be entered in a procedure, each with

its own start day of the week and time. A sequence of up to 40 functions can be entered in a procedure. The system

can store 40 different procedures which can be recalled for operation at any time.

PURGE MODE

This mode will allow the system to be purged with a purge gas at specific purge flows.

REMOTE MODE

When the system is in the remote mode, all operations will be controlled by a computer connected to an RS-232 port.

REVERSE VIDEO

Allows users to change display format from white background with blue text to a blue background with white text.

CHANGE PASSWORD

Allows the user to assign passwords which can restrict access to almost all primary operations of the instrument.

RS-232 SETUP

Allows users to set appropriate Serial Communications parameters: "Baud Rate", "Terminal Type", "Communications

Port", etc.

TIME/DATE

Allows the correct time and date to be entered for complete documentation and programming accuracy.

STATUS INPUT

Allows the user to assign different system operations to each of the eight status inputs. By signaling the system through

one of the status inputs the assigned operation will run.

Environics Series 2xxx Operating Manual AUGUST 2011 REV 8

STATUS OUTPUT

Allows the user to setup the eight status output lines. These lines can be instructed to turn on when a selected MFC,

port, ozone, or a saved setup is in operation.

VOLTS MODE

Allows users to enter the actual voltage supplied to each MFC and the ozone module. The actual voltages will be

displayed once the flows are started.

5.2 COMMON SOFT KEYS

Throughout the system there are three common soft keys. The -MORE- and PRT SCRN labels will show up as soft key

seven and EXIT will appear on soft key eight.

-MORE-

The -MORE- soft key indicates that there is another level of soft keys. This key acts as a toggle between the levels.

PRT SCRN

The PRT SCRN soft key, when pressed, will cause the system to send whatever is presently on the display to the

parallel printer port. This can be useful in making copies of setups for your records or to obtain a copy of the way the

system is performing during the operation of a setup.

EXIT

The EXIT soft key is used to exit the present operation and return the user to the previous screen. This key will always

bring the user back one screen at a time.

5.3 CONCENTRATION (CONC) MODE

One of the most powerful features of the instrument is the concentration mode. Here the user can blend a multi-

component gas mixture by specifying the gas concentrations (in % or ppm) for each component along with the total

output flow desired. The system will then compute the proper flow settings for each MFC to produce the precise blend.

The concentrations of each gas in the blend will also be computed and displayed.

CONCENTRATION MODE

Mfc Port Target Ogc Actual Ogc Gas Type

1 1 BAL MFC 70.98 % NITROGEN N2

2 2 200.0 PPM 200.2 PPM CARBON DIOXIDE CO2

3 3 20.0 % 20.0 % ARGON Ar

Bal - Other 9.0 %

Total Flow 10000.0 CCM 10000.2 CCM

──────────────────────────────────────────────────────────────────────────

Ozone 0.250 PPM 0.250 PPM

Ozone block flow 500.0 CCM

Ozone block temperature 50.0 DEG C

Ozone lamp drive voltage 12.56 VOLTS

UPDATE SAVE RECALL PPM OR % OGC/FLOW PRT SCRN STOP

Concentration (CONC) Mode - Running w/optional Ozone

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