Teledyne 460H NEMA User manual

INSTRUCTION MANUAL
MODEL 460H NEMA
OZONE MONITOR
© Teledyne Instruments
Advanced Pollution Instrumentation Division
(T-API)
6565 Nancy Ridge Drive
San Diego, CA 92121-2251
TOLL-FREE: 800-324-5190
TEL: [phone]
FAX: [phone]
EMAIL: [email protected]
WEB SITE: www.teledyne-api.com
03662
Rev. D
1/8/04

SAFETY MESSAGES
Your safety and the safety of others is very important. We have provided many
important safety messages in this manual. Please read these messages carefully.
A safety message alerts you to potential hazards that could hurt you or others. Each
safety message is associated with a safety alert symbol. These symbols are found in the
manual and inside the instrument. The definition of these symbols is described below:
General Warning/Caution: Refer to the instructions for details on the specific
danger.
Caution: Hot Surface
Caution: Electrical Shock Hazard
Technician Symbol: All operations marked with this symbol are to be
performed by qualified maintenance personnel only.
CAUTION
The monitor should only be used for the purpose and in the
manner described in this manual.
If you use the monitor in a manner other than that for which it
was intended, unpredictable behavior could ensue with possibly
hazardous consequences.
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TABLE OF CONTENTS
SAFETY MESSAGES....................................................................................................................................II
TABLE OF CONTENTS ...............................................................................................................................III
FIGURES........................................................................................................................................................V
TABLES........................................................................................................................................................ VI
I. 0 INTRODUCTION..................................................................................................................................7
1. 1PREFACE....................................................................................................................................................7
1.2 WARRANTY POLICY............................................................................................................................8
1.3 PRINCIPLE OF OPERATION .........................................................................................................................9
1.4 SPECIFICATIONS ......................................................................................................................................10
2.0 INSTALLATION.................................................................................................................................11
2.1 MECHANICAL INSTALLATION...................................................................................................................11
2.2 PNEUMATIC CONNECTIONS ......................................................................................................................12
2.3 AC POWER CONNECTION .........................................................................................................................13
2.4 ELECTRICAL I/O CONNECTIONS.......................................................................................................14
2.4.1 Analog Output.......................................................................................................................14
2.4.2 Digital Status Outputs ...........................................................................................................15
2.4.3 Control Inputs .......................................................................................................................16
2.4.4 RS232/RS485 Serial Communications Port ..........................................................................17
3.0 STARTUP..............................................................................................................................................18
4.0 OPERATION.........................................................................................................................................19
4.1 FRONT PANEL DISPLAY............................................................................................................................19
4.1.1 O3readout.......................................................................................................................................19
4.1.2 Pressure Display .............................................................................................................................19
4.1.3 Zero Calibration..............................................................................................................................19
4.1.4 Status LED’s....................................................................................................................................19
4.2 AUTO-ZERO OPERATION (OPTIONAL)......................................................................................................20
4.2.1 Auto-Zero Installation.....................................................................................................................20
4.2.2 Auto-Zero Function.........................................................................................................................20
4.2.3 Auto Zero Error...............................................................................................................................20
5.0 SERIAL COMMUNICATIONS..........................................................................................................21
5.1 SERIAL PORT CONFIGURATION.................................................................................................................21
5.2 COMMAND SYNTAX .................................................................................................................................21
5.3 COMMAND SUMMARY..............................................................................................................................22
5.4 COMMAND REFERENCE............................................................................................................................23
5.4.1 CAUTO............................................................................................................................................23
5.4.2 CZERO ............................................................................................................................................24
5.4.3 DACSTEP........................................................................................................................................25
5.4.4 O3....................................................................................................................................................26
5.4.5 SETADDR........................................................................................................................................27
5.4.6 TDUMP...........................................................................................................................................28
5.4.7 TLIST...............................................................................................................................................29
5.4.8 VGET...............................................................................................................................................30
5.4.9 VLIST...............................................................................................................................................31
5.4.10 VSET..............................................................................................................................................32
6.0 MAINTENANCE..................................................................................................................................33
6.1 REPLACING THE GAS FILTER ELEMENT (OPTIONAL)..................................................................................33
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6.2 CLEANING EXTERIOR SURFACES OF THE M460H .....................................................................................33
6.3 DEGREE OF PROTECTION ..........................................................................................................................33
7.0 SENSOR AND SYSTEM TROUBLESHOOTING............................................................................34
7.1 STATUS OUTPUT SUMMARY .....................................................................................................................34
7.2 SENSOR OK..............................................................................................................................................34
7.3 INVALID READING ....................................................................................................................................35
7.4 LAMP LOW ...............................................................................................................................................35
7.5 CELL DIRTY..............................................................................................................................................35
7.6 STATUS OUTPUT SUMMARY TABLE..........................................................................................................36
APPENDIX A – SERIAL PORT CONFIGURATION............................................................................37
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FIGURES
Figure 2-1 Mounting Hole Locations........................................................................................................11
Figure 2-2 Pneumatic Connections...........................................................................................................12
Figure 2-3 Electrical Connections.............................................................................................................14
Figure 2-4 Digital Output Connections....................................................................................................15
Figure 2-5 Typical RS232 and RS485 Connections.................................................................................17
Figure A-1 RS232/RS485 Jumpers (Controller PCA#03492) ................................................................37
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TABLES
Table 2-1 Digital Status Output Pins........................................................................................................15
Table 2-2 Control Inputs.............................................................................................................................16
Table 2-3 Serial Port Pins...........................................................................................................................17
Table 4-1 Auto-Zero Function....................................................................................................................20
Table 5-1 Serial Port Configuration ..........................................................................................................21
Table 5-2 Serial Port Command Summary...............................................................................................22
Table 7-1 Digital Status Outputs...............................................................................................................34
Table 7-2 Status Output Truth Table.......................................................................................................36
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I.0 INTRODUCTION
1.1 Preface
Teledyne API is pleased that you have purchased the Model 460H NEMA. Included is a
full one-year warranty (see Section 1.2) and we at Teledyne API will be pleased to
provide you with any support required so that you may utilize our equipment to the
fullest extent.
The Model 460H is a microprocessor based high concentration ozone monitor for
monitoring process streams in water treatment, food processing, and research
applications. The Model 460H has been designed to give accurate and stable readings
over long time periods with little or no maintenance or calibration.
The flexibility of the software as well as the analog and digital I/O allow the Model 460H
to interface with a broad range of devices for process control and data logging.
We hope you will not experience any problems with the Teledyne API Model 460H but if
you do, our full time customer service department is always available to answer your
questions.
P/N 03662D Teledyne API Model 460H O3Monitor Operator Manual - Page 7

1.2 WARRANTY POLICY
ADVANCED POLLUTION INSTRUMENTATION DIVISION
02024c
Prior to shipment, Teledyne API equipment is thoroughly inspected and tested. Should equipment
failure occur, Teledyne API assures its customers that prompt service and support will be available.
COVERAGE
After the warranty period and throughout the equipment lifetime, Teledyne API stands ready to
provide on-site or in-plant service at reasonable rates similar to those of other manufacturers in the
industry. All maintenance and the first level of field troubleshooting are to be performed by the
customer.
NON- TELEDYNE API MANUFACTURED EQUIPMENT
Equipment provided but not manufactured by Teledyne API is warranted and will be repaired to the
extent and according to the current terms and conditions of the respective equipment manufacturers
warranty.
GENERAL
Teledyne API warrants each Product manufactured by Teledyne API to be free from defects in
material and workmanship under normal use and service for a period of one year from the date of
delivery. All replacement parts and repairs are warranted for 90 days after the purchase.
If a Product fails to conform to its specifications within the warranty period, Teledyne API shall
correct such defect by, in Teledyne API's discretion, repairing or replacing such defective Product or
refunding the purchase price of such Product.
The warranties set forth in this section shall be of no force or effect with respect to any Product:
(i) that has been altered or subjected to misuse, negligence or accident, or (ii) that has been used in
any manner other than in accordance with the instruction provided by Teledyne API or (iii) not
properly maintained.
THE WARRANTIES SET FORTH IN THIS SECTION AND THE REMEDIES
THEREFORE ARE EXCLUSIVE AND IN LIEU OF ANY IMPLIED WARRANTIES
OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE OR OTHER
WARRANTY OF QUALITY, WHETHER EXPRESSED OR IMPLIED. THE
REMEDIES SET FORTH IN THIS SECTION ARE THE EXCLUSIVE REMEDIES
FOR BREACH OF ANY WARRANTY CONTAINED HEREIN. TELEDYNE API
SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL
DAMAGES ARISING OUT OF OR RELATED TO THIS AGREEMENT OF
TELEDYNE API'S PERFORMANCE HEREUNDER, WHETHER FOR BREACH OF
WARRANTY OR OTHERWISE.
TERMS AND CONDITIONS
All units or components returned to API should be properly packed for handling and
returned freight prepaid to the nearest designated Service Center. After the repair, the
equipment will be returned, freight prepaid.
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1.3 Principle of Operation
The detection of ozone molecules is based on absorption of 254 nm UV light due to an
internal electronic resonance of the O3molecule. The Model 460H uses a mercury lamp
constructed so that a large majority of the light emitted is at the 254nm wavelength. Light
from the lamp shines through an absorption cell through which the sample gas being
measured is passed. The ratio of the intensity of light passing through the gas to a
reference measurement which does not pass through the gas forms the ratio I/Io. This
ratio forms the basis for the calculation of the ozone concentration.
The Beer-Lambert equation, shown below, calculates the concentration of ozone from the
ratio of light intensities.
Cpsi n
Ooo
3
10 273 14 695
6
=−
×
×× ×
α l
l
Τ
ΚΡ
Ι
Ι
.
Where:
I = Intensity of light passed through the sample
Io= Intensity of light through sample free of ozone
α
= absorption coefficient
l= path length
C
O3= concentration of ozone in parts per million
T
= sample temperature in degrees Kelvin
P
= pressure in pounds per square inch (absolute)
As can be seen the concentration of ozone depends on more than the intensity ratio.
Temperature and pressure influence the density of the sample. The density of the gas
changes the number of ozone molecules in the absorption cell which impacts the amount
of light removed from the light beam. These effects are addressed by directly measuring
temperature and pressure and including their actual values in the calculation. The
absorption coefficient is a number that reflects the inherent ability of ozone to absorb 254
nm light. Most current measurements place this value at 308 cm-1 atm-1 at STP. The
value of this number reflects the fact that ozone is a very efficient absorber of UV
radiation which is why stratospheric ozone protects the life forms lower in the
atmosphere from the harmful effects from solar UV radiation. Lastly, the absorption path
length determines how many molecules are present in the column of gas in the absorption
cell.
The intensity of light is converted into a voltage by the detector/preamp module. The
voltage is converted into a number by a voltage-to-frequency (V/F) converter capable of
80,000 count resolution. The digitized signal, along with the other variables, are used by
the CPU to compute the concentration using the above formula.
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1.4 Specifications
Measurement Principle UV Absorption (Beer Lambert Law)
Ranges 0-5%, 0-10%, 0-15% w/w, 0-20% w/w
0-100 g/Nm3, 0-200 g/Nm3, 0-300 g/Nm3, 0-
400g/ Nm3
Measurement Units wt%, g/Nm3
Accuracy ±1% of Full Scale
Precision/Repeatability ±0.5% of Full Scale Range
Resolution 0.1 % w/w or .01 g/Nm3
Response Time (95%) <5 sec to 95%
Compensation Pressure, Temperature (NTP = 273.15K,
760mmHg)
Gas Inlet Pressure Range 3.0 – 30.0 psig
Gas Flow Rate 0.2 – 2.0 LPM
Temperature Range 5-45oC
Dimensions (H x W x D) 12.64" x 11.19" x 6.08"
(321mm x 284mm x 154mm)
Weight 9.40lb (4.27kg)
Power 110-240V~, 50/60Hz, 2.5A
Environmental Conditions Installation Category (Overvoltage Category) II
Pollution Degree 2
Maximum Operating Altitude 2000 meters
Analog Output Voltage 0-5V, 4-20mA (Optional)
Isolated Analog Output 4-20mA
Mode* Maximum voltage between outputs and ground 60V peak
Degree of Protection (IP Code) IPX65
*Optional
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