USER MANUAL OZONE SWITCH Model OS-4
Contents
1. Power Connection Disconnect power before opening the case to access the OS 4 Use only one of the following two methods to power the OS 4 1 AC Adapter included 12 24 VDC 300 mA minimum barrel connector Refer to Tech Note P 101 at www ecosensors com support for additional AC adapter specifications 2 TB4 12 24 VDC 300 mA minimum wired connection 16 26 gauge Initial Operation amp Warm Up PPM Ozone ppm ozone Power gt 1 ppm 03 Gen Power Generator Control ECO SENSORS OS 4 Ozone Switch Eco Sensors Inc div of KWJ Eng Model OS 4 HIGH UMIT Gen off LOW UMIT Gen on A x R6 Ll Sensor Cable BLK GND Caution lt Line voltage present in this oreo RS 232 Out 9600 8N1 TB2 Data GND mw Tet GND N O c N7 N O C N Ozone Generator 0 1 PPM Control Human _ Safety Limit All standard connections between the OS 4 and the SM module are made at the factory Once power is connected to the OS 4 using one of the methods described above the green power LED will illuminate and then blink at a 1 second interval as data is received from the SM module The LCD will display digits Power the OS 4 and connected SM module for 1 hour before response testing Prior to on site process integration operate on power for 24 hours We recommend testing the instrument for positive response with an ozone generator when the instrument is received and again at the s2. 800 472 6626
3. ECCU pu rs sensors OZONE SWITCH Model OS 4 OS 4 Features The OS 4 is a small form factor ozone controller and monitor It pairs with a sensor module featuring a calibrated user replaceable sensor that enables users to efficiently operate and maintain an accurate ozone control system Its digital display and LED indicators are easy to read and interpret Additionally an RS 232 serial output can connect to a computer facilitating data logging and real time data analysis e Front panel digital LCD displays ozone level e LED indicators illuminate when ozone exceeds the 0 1 pom 31 OSHA limit and when the connected ozone generator is rw amp activated aL i ppm ozone e Interfaces with calibrated user replaceable sensor modules e Two user adjustable set points define the low and high limits for the ozone generator control relay gt LPPR OS Gen wer e Analog outputs 4 20 mA and 0 2 VDC are compatible with data loggers PLCs and other process controllers e Digital serial output RS 232 allows for convenient connection to a computer or data logger Data output ane ozone ppb temperature C and relative humidity ECO SENSORS OS 4 Ozone Switch Eco Sensors Ozone Controller Model OS 4 1 Division of KWJ Engineering Inc User Manual Rev 1 1 sales ecosensors com or 800 472 6626 OS 4 Indicator Lights and Display PPM Ozone Digital display in ppm parts per million Above 0 1 ppm Illumina
4. age or economic loss RECORD YOUR SERIAL NUMBER HERE KEEP THIS MANUAL AND WARRANTY FOR YOUR RECORDS Eco Sensors is a registered trademark of Eco Sensors Division of KWJ Engineering Inc Eco Sensors Division of KWJ Engineering Inc 2013 For brochures application and tech notes and other useful information visit our extensive website at www ecosensors com E mail us at sales ecosensors com Eco Sensors Ozone Controller Model OS 4 4 Division of KWJ Engineering Inc User Manual Rev 1 1 sales ecosensors com or 800 472 6626 Appendix A SM Module Wiring Illustration OS 4 Wiring Panel Analog Outputs to Process Controller teat oft C 4 20 mA Out LOW Q Gen on 0 2 VDC Out 6 a Sensor Cable Serial RS 232 3 Wire Cable Power Out qT P 0 a User Replaceable Sensor Connects Here coo SST a E T a Eie 232 Out AA me U 9600 8N1 1N Data In om SM Module Power Inq Vp 12 24 VDC GND N O COM N C Alarm Relay Above 0 1 ppm OSHA Safety Limit N O COM N C Generator Control Relay Appendix B OS 4 Application Diagram for reference only Computer Optional Ozone Generator Ozone Area Exhaust Fan optional Power Relay A power relay is required if the load exceeds the OS 4 relay ratings RS 232 Output SM Module N a N N N N Power Relay Eco Sensors Ozone Controller Model OS 4 5 Division of KWJ Engineering Inc User Manual Rev 1 1 sales ecosensors com or
5. ernal HIGH LIMIT set point LOW LIMIT set point Numeric display 4 digit 0 4 10 mm LED indicators Power Sensor Data above 100 ppb ozone generator control Eco Sensors Ozone Controller Model OS 4 3 Division of KWJ Engineering Inc User Manual Rev 1 1 sales ecosensors com or 800 472 6626 Notes and Precautions Disconnect power before opening the case e After connecting power allow 1 hour for warm up before testing Allow 24 hours for warm up before continued use e Keep the instrument dry e Do not drop the instrument or subject it to continuous vibration e Do not store or use the instrument in areas with high levels of dust e Do not clean the instrument with cleaning chemicals or solvents If necessary wipe clean with a damp cloth Do not operate the instrument in environments with combustible gases and materials e Call a qualified electrician if you have any questions regarding electrical wiring codes Service and Maintenance e Tampering with the unit or attempting repairs will void the warranty Repairs should only be performed by Eco Sensors or an Eco Sensors authorized service representative e Instruments with problems during the warranty period should be returned as a system to the factory or authorized service representative for diagnosis and repair e We recommend checking the calibration monthly and changing the user replaceable sensor annually It is generally more cost effective to replace sen
6. ite where the instrument is installed Eco Sensors Ozone Controller Model OS 4 Division of KWJ Engineering Inc User Manual Rev 1 1 sales ecosensors com or 800 472 6626 Set Point Settings Two dials are mounted on the circuit board behind the rear panel For access disconnect the OS 4 co Sensors Inc div of KWJ Eng from power and remove the four screws and rear panel The dials are located in the upper right corner Model OS 4 l The dials are marked from 0 100 which represents percent of the 20 ppm full scale range X i i l HIGH LIMIT HIGH UMIT HIGH LIMIT Maximum ozone set point at which the generator is turned off Gen off LOW LIMIT Minimum ozone set point at which the generator is turned on LOW LIMIT gt Low Limit Control Algorithm Gen on 1 When the measured ozone concentration is less than LOW LIMIT the RED O3 Gen LED will illuminate and relay TB1 N C will engage turning on the connected ozone generator al WHT 2 When the ozone concentration exceeds HIGH LIMIT the RED O3 Gen LED will turn off and relay TB1 N C will disengage turning off the ozone generator Analog Out 3 1TB1 N C will remain disengaged until the measured ozone concentration decreases below wa i LOW LIMIT The algorithm repeats from here 4 20 0 2 Notes o STIRS 232 Out it a e The LOW LIMIT must be greater than zero otherwise the generator will never turn on TB4 e The HIGH LIMIT must always be grea
7. sors than to recalibrate them e Always remove power from the OS 4 and SM module before opening the case Follow the Wiring Diagram in Appendix A Warranty This product is warranted against defects in materials and workmanship for one year following the date of purchase by the original owner This warranty does not include damage to the product that results from misuse accident dropping modifications or alterations and it does not apply if the instructions in this manual are not followed or if the unit is otherwise used outside its intended specifications If a defect develops during the warranty period Eco Sensors in its sole discretion will repair the instrument or replace it with a new or reconditioned model of equivalent quality In the event of replacement with a new or reconditioned instrument the replacement unit will continue the warranty of the original unit lf the product should become defective during the warranty period please return it through your distributor or call Eco Sensors at 800 472 6626 or e mail at sales ecosensors com to receive return instructions and a Return Materials Authorization RMA number Except as provided herein Eco Sensors makes no warranties express or implied including warranties of merchantability and fitness for a particular purpose Eco Sensors shall not be liable for loss of use of this instrument or other incidental or consequential damages expenses or economic loss or claims for such dam
8. ter than the LOW LIMIT WSO i ot GND N O c N O C For most applications it is recommended that a power relay is wired between the OS 4 and et i O the ozone generator The specifications of the power relay must match the load requirements Oaar 0 1 PPM Control Human of the ozone generator TRR Safety N Limit Data Connection Data from the OS 4 and connected SM module can be received by a computer via an RS 232 serial cable Basic communication parameters are listed in the table to the right For more details please consult the RS 232 Communication Manual available at www ecosensors com support Serial Communication Parameters Parameter Value Serial data is updated from the SM module approximately once per second An example serial Steer aia i data output stream is given below for 1 pom 1000 ppb ozone 23 C and 33 relative humidity Stop bits 1000 23 33 Flow Control Nore Specifications Enclosure Wall mounted self extinguishing black ABS plastic Size H 5 05 128 3 mm W 2 525 64 14 mm D 1 625 41 275 mm Wiring 16 26 gauge Power in 12 24 VDC Power out 5 VDC to sensor Data in RS 232 serial data from remote sensor module SM module Data out RS 232 9600 baud 8N1 format Analog out 0 2 V and 4 20 mA Control out Relays 12A 30 VDC resistive load 12 A 250 VAC resistive load Relay functions Ozone generator control gt 100 ppb safety limit User controls int
9. tes when the measured ozone exceeds 0 1 ppm OSHA 8hr time weighted average safety limit A relay TB2 engages with this indicator to provide remote alarm capability Power Illuminates and blinks at a 1 second interval when powered on and receiving data from the sensor Generator Control Illuminates when the ozone generator relay TB1 is engaged indicating the ozone generator is on External Connections The wiring terminals for the sensor module connections OS 4 power analog outputs and relay outputs are located behind the rear panel For access disconnect the OS 4 from power and remove the four screws and rear panel The connection board will resemble this diagram TB1 OZONE GENERATOR CONTROL Relay contacts with user adjustable control limits for operating an ozone generator Refer to Set Point Settings for details TB2 0 1 PPM HUMAN SAFETY LIMIT Relay contacts tied to OSHA human safety limit for remote indicator alarm TB3 ANALOG OUTPUT 4 20 mA and 0 2 VDC to external control equipment The full scale analog output range is 0 20 ppm NOTE the 4 20 mA output is a current driver rather than a current sink TB4 12 24 VDC POWER Power input for the OS 4 TB5 RS 232 OUTPUT Serial data output Refer to Data Connection for details TB6 SENSOR CABLE Connect RED BLK and WHT to SM module TB 1 RED 5V BLK GND and WHT DATA respectively Refer to Appendix A for an illustration and more details
Download Pdf Manuals
Related Search